Industrial Piping Supply

Industrial piping.
Complete supply.

Pipes, fittings, flanges, valves, gaskets and fasteners. Carbon steel, stainless steel and specified alloys.

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Steel Pipes collection: Beveled, grooved, threaded and plain ends. — 01 / 06
Steel Pipes
Beveled, grooved, threaded and plain ends.

Carbon Steel & Low-Alloy SteelStainless, Duplex & Super DuplexSpecified Nickel Alloys

Product Portfolio

Products

Steel Pipes

Beveled, grooved, threaded and plain ends.

Black Protective Finish

Beveled Carbon Steel Pipe

Seamless or welded pipe with a machined bevel for butt welding; large-bore configurations include NPS 20.

Specifications

Materials: ASTM A106 Gr. B (seamless) · ASTM A53 Gr. B · API 5L Gr. B, by manufacturing route
Dimensions & Ends: NPS / outside diameter, wall thickness or schedule, length and bevel to the specified pipe standard; ASME B36.10M / B16.25 where applicable.
Finish: Black protective paint or varnish on carbon steel; weld preparation remains suitable for welding.
Order Details: Size · Sch / wall · Length · Seamless / welded · Grade · End preparation · Quantity

Red Painted Carbon Steel

Grooved Carbon Steel Pipe

Red-painted carbon steel pipe with roll- or cut-grooved ends matched to the specified mechanical coupling system.

Specifications

Materials: ASTM A53 Gr. B or the specified carbon-steel pipe grade
Connections: Groove profile, pipe OD and wall matched to the selected coupling system. Grooved and threaded pipe ends are different connection types.
Dimensions & Rating: Specify OD, wall, end preparation and approved coupling / threaded-joint design. The selected system determines pressure and temperature limits.
Order Details: Size · Sch / wall · Length · Groove system OR thread · Paint specification · Quantity

Red Painted Carbon Steel

Threaded Carbon Steel Pipe

Red-painted carbon steel pipe with male threaded ends for compatible threaded fittings.

Specifications

Materials: ASTM A53 Gr. B or the specified carbon-steel pipe grade
Connections: NPT to ASME B1.20.1 or the specified thread standard. Thread form and pipe wall are matched to the selected joint.
Dimensions & Rating: Specify size, Sch / wall, length and thread preparation. Working limits follow material, temperature and joint design.
Order Details: Size · Sch / wall · Length · Grade · Thread form · Paint specification · Quantity

Natural Stainless Steel

Plain-End Stainless Steel Pipe

Seamless or welded austenitic stainless pipe with square-cut plain ends and a natural metal finish.

Specifications

Materials: ASTM A312 TP304 / TP304L / TP316 / TP316L
Dimensions: ASME B36.19M where applicable; specify NPS / OD, schedule / wall and length.
Surface: Unpainted; pickled and passivated or a specified mechanical finish. Passivation is a surface treatment, not an applied paint coating.
Order Details: Grade · Seamless / welded · Size · Sch / wall · Length · Ends · Quantity

Natural Duplex Stainless Steel

Duplex & Super Duplex Pipe

Seamless or welded corrosion-resistant pipe and tube in the specified duplex grade, with a natural metal finish.

Specifications

Materials: UNS S31803 / S32205 · S32750 / S32760
Product Standards: ASTM A790 pipe / ASTM A789 tube; specify the correct product form and heat-treatment condition.
Dimensions & Surface: NPS / OD, Sch / wall, length and ends to the order. Natural, pickled / passivated finish; no paint coating as standard.
Order Details: UNS grade · Pipe / tube · Size · Sch / wall · Length · Ends · Quantity

Plain Low-Alloy Steel

Low-Alloy Steel Pipe

Unpainted low-alloy steel pipe for specified high-temperature service; bevels and wall thickness follow the piping design.

Specifications

Materials: ASTM A335 P11 / P22 for seamless ferritic alloy-steel pipe
Dimensions: ASME B36.10M where applicable; specify NPS / OD, Sch / wall and length.
Surface & Ends: Plain metal finish; temporary rust protection only if specified. Plain or beveled ends to the order.
Order Details: Grade · Size · Sch / wall · Length · End preparation · Heat treatment · Quantity

Materials, Dimensions & Options

Additional Pipe Materials

Duplex S31803 / S32205 and super duplex S32750 / S32760: ASTM A790 pipe / A789 tube. Alloy 400: ASTM B165 seamless pipe and tube; other nickel alloys to their product standards.

Wall & End Selection

Specify NPS / OD, Sch / wall and length. Plain, beveled, grooved and threaded ends serve different joints; pipe does not carry a universal flange pressure Class.

Pipe Fittings

Wrought butt-weld and compact forged fittings.

Black Carbon Steel

90° Butt-Weld Elbow

Hot-formed / wrought elbow for a 90-degree direction change; long- or short-radius design to the order.

Specifications

Materials: ASTM A234 WPB (carbon) · ASTM A403 WP304L / WP316L (stainless) · ASTM A815 specified duplex grades; alloy steel to the relevant A234 grade.
Dimensions & Rating: ASME B16.9 dimensional scope: NPS 1/2–48. Specify wall / schedule; pressure suitability follows material, wall thickness and piping design, not a universal flange Class.
Surface: Carbon steel: black protective finish or specified plain finish. Stainless / duplex: natural, pickled / passivated finish.
Order Details: Type · Size(s) · Sch / wall · Grade · End preparation · Quantity

Black Carbon Steel

45° Butt-Weld Elbow

Hot-formed / wrought elbow for a 45-degree direction change.

Specifications

Materials: ASTM A234 WPB (carbon) · ASTM A403 WP304L / WP316L (stainless) · ASTM A815 specified duplex grades; alloy steel to the relevant A234 grade.
Dimensions & Rating: ASME B16.9 dimensional scope: NPS 1/2–48. Specify wall / schedule; pressure suitability follows material, wall thickness and piping design, not a universal flange Class.
Surface: Carbon steel: black protective finish or specified plain finish. Stainless / duplex: natural, pickled / passivated finish.
Order Details: Type · Size(s) · Sch / wall · Grade · End preparation · Quantity

Black Carbon Steel

Equal Butt-Weld Tee

Wrought tee with equal run and branch sizes.

Specifications

Materials: ASTM A234 WPB (carbon) · ASTM A403 WP304L / WP316L (stainless) · ASTM A815 specified duplex grades; alloy steel to the relevant A234 grade.
Dimensions & Rating: ASME B16.9 dimensional scope: NPS 1/2–48. Specify wall / schedule; pressure suitability follows material, wall thickness and piping design, not a universal flange Class.
Surface: Carbon steel: black protective finish or specified plain finish. Stainless / duplex: natural, pickled / passivated finish.
Order Details: Type · Size(s) · Sch / wall · Grade · End preparation · Quantity

Natural Stainless Steel

Concentric Reducer

A wrought transition between two pipe diameters on a common centerline.

Specifications

Materials: ASTM A234 WPB (carbon) · ASTM A403 WP304L / WP316L (stainless) · ASTM A815 specified duplex grades; alloy steel to the relevant A234 grade.
Dimensions & Rating: ASME B16.9 dimensional scope: NPS 1/2–48. Specify wall / schedule; pressure suitability follows material, wall thickness and piping design, not a universal flange Class.
Surface: Carbon steel: black protective finish or specified plain finish. Stainless / duplex: natural, pickled / passivated finish.
Order Details: Type · Size(s) · Sch / wall · Grade · End preparation · Quantity

Natural Stainless Steel

Eccentric Reducer

An offset wrought transition, with flat-side orientation defined by the piping layout.

Specifications

Materials: ASTM A234 WPB (carbon) · ASTM A403 WP304L / WP316L (stainless) · ASTM A815 specified duplex grades; alloy steel to the relevant A234 grade.
Dimensions & Rating: ASME B16.9 dimensional scope: NPS 1/2–48. Specify wall / schedule; pressure suitability follows material, wall thickness and piping design, not a universal flange Class.
Surface: Carbon steel: black protective finish or specified plain finish. Stainless / duplex: natural, pickled / passivated finish.
Order Details: Type · Size(s) · Sch / wall · Grade · End preparation · Quantity

Natural Stainless Steel

Reducing Butt-Weld Tee

Wrought branch fitting with a smaller branch than the run.

Specifications

Materials: ASTM A234 WPB (carbon) · ASTM A403 WP304L / WP316L (stainless) · ASTM A815 specified duplex grades; alloy steel to the relevant A234 grade.
Dimensions & Rating: ASME B16.9 dimensional scope: NPS 1/2–48. Specify wall / schedule; pressure suitability follows material, wall thickness and piping design, not a universal flange Class.
Surface: Carbon steel: black protective finish or specified plain finish. Stainless / duplex: natural, pickled / passivated finish.
Order Details: Type · Size(s) · Sch / wall · Grade · End preparation · Quantity

Natural Stainless Steel

Butt-Weld Pipe Cap

Dished end closure with a bevel matched to the pipe wall.

Specifications

Materials: ASTM A234 WPB (carbon) · ASTM A403 WP304L / WP316L (stainless) · ASTM A815 specified duplex grades; alloy steel to the relevant A234 grade.
Dimensions & Rating: ASME B16.9 dimensional scope: NPS 1/2–48. Specify wall / schedule; pressure suitability follows material, wall thickness and piping design, not a universal flange Class.
Surface: Carbon steel: black protective finish or specified plain finish. Stainless / duplex: natural, pickled / passivated finish.
Order Details: Type · Size(s) · Sch / wall · Grade · End preparation · Quantity

Natural Stainless Steel

Lap-Joint Stub End

Flared pipe end used with a separate lap-joint backing flange; lap dimensions and Type A / B / C as specified.

Specifications

Materials: ASTM A234 WPB (carbon) · ASTM A403 WP304L / WP316L (stainless) · ASTM A815 specified duplex grades; alloy steel to the relevant A234 grade.
Dimensions & Rating: ASME B16.9 dimensional scope: NPS 1/2–48. Specify wall / schedule; pressure suitability follows material, wall thickness and piping design, not a universal flange Class.
Surface: Carbon steel: black protective finish or specified plain finish. Stainless / duplex: natural, pickled / passivated finish.
Order Details: Type · Size(s) · Sch / wall · Grade · End preparation · Quantity

Plain A105 Forging

Forged Socket-Weld Elbow

Compact forged elbow with recessed sockets, distinct from a wrought butt-weld elbow.

Specifications

Materials: ASTM A105 (carbon steel) · A350 LF2 where specified · A182 F304L / F316L or specified duplex forging grade.
Dimensions & Class: ASME B16.11: socket-weld Class 3000 / 6000 / 9000, where covered for the selected fitting and size.
Surface: A105: plain metal or specified protective finish. Stainless: natural, unpainted finish.
Order Details: Type · NPS · Fitting Class · Socket bore / pipe wall · Grade · Quantity

Plain A105 Forging

Forged Threaded Tee

Compact forged tee with female threaded ports.

Specifications

Materials: ASTM A105 (carbon steel) · A350 LF2 where specified · A182 F304L / F316L or specified duplex forging grade.
Dimensions & Class: ASME B16.11: threaded Class 2000 / 3000 / 6000, where covered for the selected fitting and size. Thread form to the order; ASME B1.20.1 for NPT.
Surface: A105: plain metal or specified protective finish. Stainless: natural, unpainted finish.
Order Details: Type · Size(s) · Fitting Class · Thread form · Grade · Quantity

Plain A105 Forging

Forged Coupling

Forged straight connector, with threaded or socket-weld ends to the order.

Specifications

Connections: Threaded or socket-weld; full or half coupling as specified.
Materials: ASTM A105 (carbon steel) · A350 LF2 where specified · A182 F304L / F316L or specified duplex forging grade.
Dimensions & Class: ASME B16.11: threaded Class 2000 / 3000 / 6000; socket-weld Class 3000 / 6000 / 9000, as applicable.
Surface: A105: plain metal or specified protective finish. Stainless: natural, unpainted finish.
Order Details: Type · Size(s) · Fitting Class · Thread form · Grade · Quantity

Plain A105 Forging

Forged Threaded Plug

Male threaded closure with a specified head style, thread and material.

Specifications

Materials: ASTM A105 (carbon steel) · A350 LF2 where specified · A182 F304L / F316L or specified duplex forging grade.
Dimensions: ASME B16.11 where applicable; specify plug style and thread. Plugs are specified by their applicable dimensions / design rather than assigning the coupling Class list.
Surface: A105: plain metal or specified protective finish. Stainless: natural, unpainted finish.
Order Details: Plug style · Thread size / form · Grade · Quantity

Materials, Dimensions & Options

Wrought & Forged Families

Butt-weld elbows, equal / reducing tees, reducers, caps and stub ends are wrought fittings. Forged elbows, tees, couplings and plugs have their own socket / thread dimensions and designations.

Additional Shapes

180° returns, crosses, branch outlets and special bends can be included in the BOM with the applicable standard or drawing. Exact grade, wall, connection and geometry define each item.

Flanges

Weld neck, slip-on, blind and companion styles.

Black Carbon Steel

Weld Neck Flange

Tapered hub with a butt-weld end and bore matched to the pipe.

Specifications

Materials: ASTM A105 · A350 LF2 · A182 F304 / F304L / F316 / F316L · F51 / F60 / F53 / F55; specified nickel-alloy forgings where applicable.
Dimensions & Class: ASME B16.5: NPS 1/2–24, Class 150–1500; Class 2500 through NPS 12. Available size / class combinations depend on flange type. Large-diameter weld-neck and blind flanges: ASME B16.47 NPS 26–60, Class 75–900 as applicable; specify Series A or B.
Surface & Facing: Carbon steel: black or specified yellow / golden protective finish. Stainless: natural unpainted finish. RF / FF / RTJ where supported by the chosen design; sealing faces follow the specified finish.
Order Details: Type · NPS · Class · Grade · Facing · Bore / Sch where applicable · Quantity

Black Carbon Steel

Threaded Flange

Female-threaded bore for a compatible threaded piping connection.

Specifications

Materials: ASTM A105 · A350 LF2 · A182 F304 / F304L / F316 / F316L · F51 / F60 / F53 / F55; specified nickel-alloy forgings where applicable.
Dimensions & Class: ASME B16.5: NPS 1/2–24, Class 150–1500; Class 2500 through NPS 12. Available size / class combinations depend on flange type.
Surface & Facing: Carbon steel: black or specified yellow / golden protective finish. Stainless: natural unpainted finish. RF / FF / RTJ where supported by the chosen design; sealing faces follow the specified finish.
Order Details: Type · NPS · Class · Grade · Facing · Bore / Sch where applicable · Quantity

Golden Protective Finish

Slip-On Flange

Short hub with a slip-over bore, for the specified fillet-welded joint.

Specifications

Materials: ASTM A105 · A350 LF2 · A182 F304 / F304L / F316 / F316L · F51 / F60 / F53 / F55; specified nickel-alloy forgings where applicable.
Dimensions & Class: ASME B16.5: NPS 1/2–24, Class 150–1500; Class 2500 through NPS 12. Available size / class combinations depend on flange type.
Surface & Facing: Carbon steel: black or specified yellow / golden protective finish. Stainless: natural unpainted finish. RF / FF / RTJ where supported by the chosen design; sealing faces follow the specified finish.
Order Details: Type · NPS · Class · Grade · Facing · Bore / Sch where applicable · Quantity

Golden Protective Finish

Lap Joint Flange

Loose backing flange used with a compatible stub end.

Specifications

Materials: ASTM A105 · A350 LF2 · A182 F304 / F304L / F316 / F316L · F51 / F60 / F53 / F55; specified nickel-alloy forgings where applicable.
Dimensions & Class: ASME B16.5: NPS 1/2–24, Class 150–1500; Class 2500 through NPS 12. Available size / class combinations depend on flange type.
Surface & Facing: Carbon steel: black or specified yellow / golden protective finish. Stainless: natural unpainted finish. RF / FF / RTJ where supported by the chosen design; sealing faces follow the specified finish.
Order Details: Type · NPS · Class · Grade · Facing · Bore / Sch where applicable · Quantity

Natural Stainless Steel

Blind Flange

Solid-center flange for closing a line, vessel nozzle or equipment connection.

Specifications

Materials: ASTM A105 · A350 LF2 · A182 F304 / F304L / F316 / F316L · F51 / F60 / F53 / F55; specified nickel-alloy forgings where applicable.
Dimensions & Class: ASME B16.5: NPS 1/2–24, Class 150–1500; Class 2500 through NPS 12. Available size / class combinations depend on flange type. Large-diameter weld-neck and blind flanges: ASME B16.47 NPS 26–60, Class 75–900 as applicable; specify Series A or B.
Surface & Facing: Carbon steel: black or specified yellow / golden protective finish. Stainless: natural unpainted finish. RF / FF / RTJ where supported by the chosen design; sealing faces follow the specified finish.
Order Details: Type · NPS · Class · Grade · Facing · Bore / Sch where applicable · Quantity

Natural Stainless Steel

Socket Weld Flange

Recessed socket and internal shoulder for a specified small-bore pipe joint.

Specifications

Materials: ASTM A105 · A350 LF2 · A182 F304 / F304L / F316 / F316L · F51 / F60 / F53 / F55; specified nickel-alloy forgings where applicable.
Dimensions & Class: ASME B16.5: NPS 1/2–24, Class 150–1500; Class 2500 through NPS 12. Available size / class combinations depend on flange type.
Surface & Facing: Carbon steel: black or specified yellow / golden protective finish. Stainless: natural unpainted finish. RF / FF / RTJ where supported by the chosen design; sealing faces follow the specified finish.
Order Details: Type · NPS · Class · Grade · Facing · Bore / Sch where applicable · Quantity

Materials, Dimensions & Options

Large-Diameter & Special Flanges

ASME B16.47 covers large-diameter weld-neck and blind flanges, NPS 26–60. Specify Series A / B and Class. Equipment flanges and nonstandard connections require the agreed drawing.

Class & Facing

Class is a designation, not a fixed pressure in psi. Material group and operating temperature determine allowable pressure; bore, facing and gasket design must match the joint.

Industrial Valves

Large cast bodies and compact forged designs.

Painted Carbon Steel

Cast Gate Valve

Large cast-body gate valve for isolation; wedge, stem and bonnet configuration to the order.

Specifications

Body Materials: Cast bodies: ASTM A216 WCB / A352 LCB as specified; A351 CF8 / CF8M / CF3 / CF3M for stainless; A995 specified duplex grades.
Design & Testing: API 600 for applicable steel gate valves; ASME B16.34 / API 598 as specified.
Size & Pressure: Specify NPS / DN and pressure class / rated working pressure from the selected valve datasheet. Ratings depend on body material, temperature, seats, ends and valve design.
Surface: Carbon / low-alloy steel: specified protective paint. Stainless / duplex: natural unpainted finish.
Order Details: Valve type · Size · Class / rating · Body / trim · Seat · Ends · Operation · Service temperature / medium · Quantity

Painted Carbon Steel

Cast Globe Valve

Cast-body globe valve for specified throttling or shutoff service.

Specifications

Body Materials: Cast bodies: ASTM A216 WCB / A352 LCB as specified; A351 CF8 / CF8M / CF3 / CF3M for stainless; A995 specified duplex grades.
Design & Testing: API 623 for applicable cast steel globe valves; ASME B16.34 / API 598 as specified.
Size & Pressure: Specify NPS / DN and pressure class / rated working pressure from the selected valve datasheet. Ratings depend on body material, temperature, seats, ends and valve design.
Surface: Carbon / low-alloy steel: specified protective paint. Stainless / duplex: natural unpainted finish.
Order Details: Valve type · Size · Class / rating · Body / trim · Seat · Ends · Operation · Service temperature / medium · Quantity

Painted Carbon Steel

Cast Swing Check Valve

Automatic non-return valve with a swinging disc; no manual operating handle.

Specifications

Body Materials: Cast bodies: ASTM A216 WCB / A352 LCB as specified; A351 CF8 / CF8M / CF3 / CF3M for stainless; A995 specified duplex grades.
Design & Testing: API 594 / applicable check-valve design standard; ASME B16.34 / API 598 as specified.
Size & Pressure: Specify NPS / DN and pressure class / rated working pressure from the selected valve datasheet. Ratings depend on body material, temperature, seats, ends and valve design.
Surface: Carbon / low-alloy steel: specified protective paint. Stainless / duplex: natural unpainted finish.
Order Details: Valve type · Size · Class / rating · Body / trim · Seat · Ends · Operation · Service temperature / medium · Quantity

Painted Body / Metal Disc

Butterfly Valve

Wafer, lug or double-flanged design with a specified disc, seat and operator.

Specifications

Body Materials: Cast bodies: ASTM A216 WCB / A352 LCB as specified; A351 CF8 / CF8M / CF3 / CF3M for stainless; A995 specified duplex grades.
Design & Testing: API 609 / API 598 as applicable to the selected design.
Size & Pressure: Specify NPS / DN and pressure class / rated working pressure from the selected valve datasheet. Ratings depend on body material, temperature, seats, ends and valve design.
Surface: Carbon / low-alloy steel: specified protective paint. Stainless / duplex: natural unpainted finish.
Order Details: Valve type · Size · Class / rating · Body / trim · Seat · Ends · Operation · Service temperature / medium · Quantity

Natural Stainless Steel

Cast Ball Valve

Floating or trunnion-mounted design, full or reduced bore, with specified seats and operation.

Specifications

Body Materials: Cast bodies: ASTM A216 WCB / A352 LCB as specified; A351 CF8 / CF8M / CF3 / CF3M for stainless; A995 specified duplex grades.
Design & Testing: API 608 or API 6D where applicable to the selected design; ASME B16.34 / API 598 as specified.
Size & Pressure: Specify NPS / DN and pressure class / rated working pressure from the selected valve datasheet. Ratings depend on body material, temperature, seats, ends and valve design.
Surface: Carbon / low-alloy steel: specified protective paint. Stainless / duplex: natural unpainted finish.
Order Details: Valve type · Size · Class / rating · Body / trim · Seat · Ends · Operation · Service temperature / medium · Quantity

Natural Stainless Steel

Dual-Plate Check Valve

Compact wafer, lug or flanged non-return valve with two spring-loaded plates.

Specifications

Materials: Specified carbon steel, stainless or duplex body with compatible plates, springs and seat.
Design & Testing: API 594 / API 598 where applicable to the selected design.
Size & Rating: Specify size, connection and class / rated pressure from the selected valve datasheet; limits depend on material, temperature and seat design.
Order Details: Size · Rating · Body / plate / spring · Seat · Ends · Service medium / temperature · Quantity

Plain A105 Forging

Forged Gate Valve

Compact forged-body gate valve with threaded, socket-weld or other specified ends.

Specifications

Body Materials: Forged bodies: ASTM A105 · A350 LF2 · A182 F304 / F316 or the specified forging grade.
Design & Testing: API 602 for applicable compact steel valves; ASME B16.34 / API 598 as specified.
Size & Pressure: Specify NPS / DN and pressure class / rated working pressure from the selected valve datasheet. Ratings depend on body material, temperature, seats, ends and valve design.
Surface: Carbon / low-alloy steel: specified protective paint. Stainless / duplex: natural unpainted finish.
Order Details: Valve type · Size · Class / rating · Body / trim · Seat · Ends · Operation · Service temperature / medium · Quantity

Plain A105 Forging

Forged Globe Valve

Compact forged-body globe valve with a specified bonnet and trim design.

Specifications

Body Materials: Forged bodies: ASTM A105 · A350 LF2 · A182 F304 / F316 or the specified forging grade.
Design & Testing: API 602 where applicable; ASME B16.34 / API 598 as specified.
Size & Pressure: Specify NPS / DN and pressure class / rated working pressure from the selected valve datasheet. Ratings depend on body material, temperature, seats, ends and valve design.
Surface: Carbon / low-alloy steel: specified protective paint. Stainless / duplex: natural unpainted finish.
Order Details: Valve type · Size · Class / rating · Body / trim · Seat · Ends · Operation · Service temperature / medium · Quantity

Protected Forged Steel

Forged Check Valve

Compact forged non-return valve with piston, ball or swing construction to the order.

Specifications

Body Materials: Forged bodies: ASTM A105 · A350 LF2 · A182 F304 / F316 or the specified forging grade.
Design & Testing: API 602 where applicable; ASME B16.34 / API 598 as specified.
Size & Pressure: Specify NPS / DN and pressure class / rated working pressure from the selected valve datasheet. Ratings depend on body material, temperature, seats, ends and valve design.
Surface: Carbon / low-alloy steel: specified protective paint. Stainless / duplex: natural unpainted finish.
Order Details: Valve type · Size · Class / rating · Body / trim · Seat · Ends · Operation · Service temperature / medium · Quantity

Materials, Dimensions & Options

Construction & Operation

Cast and forged refer to manufacturing routes. Select body / trim, seat, bonnet, ends and operator independently; plug, dual-plate check and actuated valve designs may also be requested.

Service Data

Include medium, pressure and temperature, shutoff requirements and operation. Pressure / temperature limits are model-specific; a painted body color does not identify its material grade.

Gaskets

Metallic, semi-metallic and nonmetallic seals.

Metal / Graphite / PTFE

Spiral Wound Gasket

Metal winding with graphite or PTFE filler; inner and outer rings as specified.

Specifications

Material / Construction: Metal / Graphite / PTFE
Dimension Reference: ASME B16.20
Selection: Winding alloy · Filler · Inner / outer ring style and material · NPS · Class
Order Details: Gasket type · Dimensions / ring number · Material · Joint rating · Quantity

Soft Iron / Steel / Alloy

Oval RTJ Gasket

Circular ring-type-joint gasket with an oval cross-section, matched to the flange groove.

Specifications

Material / Construction: Soft Iron / Steel / Alloy
Dimension Reference: ASME B16.20
Selection: R ring number · Material · Hardness · Flange groove
Order Details: Gasket type · Dimensions / ring number · Material · Joint rating · Quantity

Soft Iron / Steel / Alloy

Octagonal RTJ Gasket

Circular ring-type-joint gasket with an octagonal cross-section; ring profile matched to the groove.

Specifications

Material / Construction: Soft Iron / Steel / Alloy
Dimension Reference: ASME B16.20
Selection: R ring number · Material · Hardness · Flange groove
Order Details: Gasket type · Dimensions / ring number · Material · Joint rating · Quantity

Metal Core / Soft Facing

Kammprofile Gasket

Serrated metal core with soft facing; centering-ring construction to the joint design.

Specifications

Material / Construction: Metal Core / Soft Facing
Dimension Reference: ASME B16.20 where applicable
Selection: Core alloy · Graphite / PTFE facing · Ring design · Dimensions · Class
Order Details: Gasket type · Dimensions / ring number · Material · Joint rating · Quantity

Specified Metal / Alloy

Lens Ring Gasket

Metal lens-type sealing ring for matching purpose-designed flange seats.

Specifications

Material / Construction: Specified Metal / Alloy
Dimension Reference: DIN 2696 or agreed drawing, where applicable
Selection: Profile · Dimensions · Alloy · Hardness · Mating-seat drawing
Order Details: Gasket type · Dimensions / ring number · Material · Joint rating · Quantity

Graphite

Flexible Graphite Gasket

Flat graphite sealing ring, with reinforcement and thickness specified for the flange joint.

Specifications

Material / Construction: Graphite
Dimension Reference: ASME B16.21 dimensions where applicable
Selection: Dimensions · Thickness · Reinforcement · Service medium / temperature
Order Details: Gasket type · Dimensions / ring number · Material · Joint rating · Quantity

PTFE

PTFE Flat Gasket

Flat PTFE gasket for compatible service, with type and thickness selected for the joint.

Specifications

Material / Construction: PTFE
Dimension Reference: ASME B16.21 dimensions where applicable
Selection: Virgin / filled / expanded PTFE · Dimensions · Thickness · Service conditions
Order Details: Gasket type · Dimensions / ring number · Material · Joint rating · Quantity

EPDM / NBR As Specified

Full-Face Elastomer Gasket

Nonmetallic full-face gasket with bolt holes for compatible flat-face flange joints.

Specifications

Material / Construction: EPDM / NBR As Specified
Dimension Reference: ASME B16.21 dimensions where applicable
Selection: Elastomer · Thickness · Flange dimensions / bolt pattern · Service conditions
Order Details: Gasket type · Dimensions / ring number · Material · Joint rating · Quantity

Materials, Dimensions & Options

Joint Compatibility

Spiral-wound and kammprofile seals, RTJ rings, flat seals and lens rings use different mating faces. Match ring number, profile and dimensions to the selected flange.

Service Selection

Select material, hardness / filler and thickness for the medium and operating conditions. Gasket limits follow the qualified joint and gasket construction, not the displayed color.

Fasteners

Standard and heavy bolting in specified finishes.

Black Finish

Heavy Hex Bolt

Heavy hex-head bolt with larger head dimensions for specified structural or pressure-equipment applications.

Specifications

Standard Reference: ASME B18.2.1 dimensions where applicable. ASTM F3125 for specified structural grades; A193 where appropriate to pressure-equipment bolting.
Materials / Grades: ASTM A193 B7 / B7M / B16 / B8 / B8M; ASTM A320 L7 / L7M where appropriate. Nuts to compatible A194 grades; stainless bolting class and heat treatment must be specified.
Surface: Carbon / alloy steel: plain / black, blue PTFE fluoropolymer, zinc or a specified system. Stainless / duplex: natural uncoated finish as standard. Coating, thickness, thread fit and service suitability are specified together.
Order Details: Diameter · Thread series / pitch · Length · Grade / strength class · Nut / washer specification · Finish · Quantity

Black Finish

Socket-Head Cap Screw

Cylindrical head with an internal hex drive; thread length and strength to the order.

Specifications

Materials: Alloy steel to ASTM A574 or specified ISO strength class; stainless to the applicable material / mechanical specification.
Standard Reference: ASME B18.3 / ISO 4762 dimensions; ASTM A574 for applicable alloy-steel socket-head cap screws or the selected stainless specification.
Surface: Carbon / alloy steel: plain / black, blue PTFE fluoropolymer, zinc or a specified system. Stainless / duplex: natural uncoated finish as standard. Coating, thickness, thread fit and service suitability are specified together.
Order Details: Diameter · Thread series / pitch · Length · Grade / strength class · Nut / washer specification · Finish · Quantity

Black Finish

Eye Bolt

Threaded eye-head fastener; eye dimensions and intended function to the order.

Specifications

Standard Reference: Specified dimensional / material standard. Lifting use requires a rated lifting design, working-load limit and certification.
Materials: Carbon, alloy or stainless steel to the specified application and drawing.
Surface: Carbon / alloy steel: plain / black, blue PTFE fluoropolymer, zinc or a specified system. Stainless / duplex: natural uncoated finish as standard. Coating, thickness, thread fit and service suitability are specified together.
Order Details: Diameter · Thread series / pitch · Length · Grade / strength class · Nut / washer specification · Finish · Quantity

Black Finish

Double-End Stud

Two threaded ends separated by an unthreaded shank; end lengths and thread engagement to the drawing.

Specifications

Standard Reference: Applicable ASME / DIN / GB standard or agreed drawing; A193 / A320 where appropriate.
Materials / Grades: ASTM A193 B7 / B7M / B16 / B8 / B8M; ASTM A320 L7 / L7M where appropriate. Nuts to compatible A194 grades; stainless bolting class and heat treatment must be specified.
Surface: Carbon / alloy steel: plain / black, blue PTFE fluoropolymer, zinc or a specified system. Stainless / duplex: natural uncoated finish as standard. Coating, thickness, thread fit and service suitability are specified together.
Order Details: Diameter · Thread series / pitch · Length · Grade / strength class · Nut / washer specification · Finish · Quantity

Blue PTFE Coating

Fully Threaded Stud, Two Nuts & Two Flat Washers

A fully threaded stud with two compatible hex nuts and two flat washers. Matched materials, threads and dimensions define the bolting set.

Specifications

Standard Reference: ASTM A193 / A194 or A320 as specified; thread and nut dimensions to the applicable ASME / ISO standard. Washer material and dimensions to the order.
Materials / Grades: ASTM A193 B7 / B7M / B16 / B8 / B8M; ASTM A320 L7 / L7M where appropriate. Nuts to compatible A194 grades; stainless bolting class and heat treatment must be specified.
Surface: Carbon / alloy steel: plain / black, blue PTFE fluoropolymer, zinc or a specified system. Stainless / duplex: natural uncoated finish as standard. Coating, thickness, thread fit and service suitability are specified together.
Order Details: Diameter · Thread series / pitch · Length · Grade / strength class · Nut / washer specification · Finish · Quantity

Zinc Finish

Hex-Head Bolt, One Nut & One Flat Washer

One hex-head bolt, one matching hex nut and one flat washer.

Specifications

Standard Reference: ASME B18.2.1 / B18.2.2 (inch) or specified ISO / DIN dimensions; material specification appropriate to the selected service.
Materials / Grades: ASTM A193 B7 / B7M / B16 / B8 / B8M; ASTM A320 L7 / L7M where appropriate. Nuts to compatible A194 grades; stainless bolting class and heat treatment must be specified.
Surface: Carbon / alloy steel: plain / black, blue PTFE fluoropolymer, zinc or a specified system. Stainless / duplex: natural uncoated finish as standard. Coating, thickness, thread fit and service suitability are specified together.
Order Details: Diameter · Thread series / pitch · Length · Grade / strength class · Nut / washer specification · Finish · Quantity

Zinc Finish

U-Bolt

Bent U-shaped fastener with two threaded legs, for a specified pipe-support or clamping arrangement.

Specifications

Standard Reference: Specified drawing / applicable dimensional standard; define internal width, leg length, bend radius and material.
Materials: Carbon, alloy or stainless steel to the specified application and drawing.
Surface: Carbon / alloy steel: plain / black, blue PTFE fluoropolymer, zinc or a specified system. Stainless / duplex: natural uncoated finish as standard. Coating, thickness, thread fit and service suitability are specified together.
Order Details: Diameter · Thread series / pitch · Length · Grade / strength class · Nut / washer specification · Finish · Quantity

Black / Blue PTFE / Zinc

Heavy Hex Nuts

Carbon, alloy or stainless hex nuts in matching thread and material grades.

Specifications

Standard Reference: ASME B18.2.2 or specified ISO / DIN dimensions; ASTM A194 2H / 2HM / 7 / 7M / 8 / 8M where applicable.
Grades: ASTM A194 2H / 2HM / 7 / 7M / 8 / 8M as appropriate; other specified nut grades / property classes.
Surface: Carbon / alloy steel: plain / black, blue PTFE fluoropolymer, zinc or a specified system. Stainless / duplex: natural uncoated finish as standard. Coating, thickness, thread fit and service suitability are specified together.
Order Details: Diameter · Thread series / pitch · Length · Grade / strength class · Nut / washer specification · Finish · Quantity

Materials, Dimensions & Options

Metric & Inch Bolting

Existing manufacturer reference range: M8–M48 and 1/4–4 inch diameters, by product / grade. Special lengths, larger sizes and nonstandard fasteners are quoted against a specification or drawing.

Materials & Treatments

High-temperature, low-temperature and corrosion-resistant material families include B7, B7M, B16, L7, L7M, B8 / B8M and specified specialty alloys. PTFE, nickel, zinc / passivation, zinc-nickel and zinc-flake systems require an agreed finish specification.

Product images are illustrative. Exact material, dimensions, finish and availability are confirmed against your specification.

Materials & Grades

Material	Common Grades	Pipe / Tube	Fittings / Flanges
Carbon Steel	A106 Gr. B · A53 Gr. B · API 5L Gr. B	ASTM A106 / A53 · API 5L	ASTM A234 WPB · A105 · A350 LF2
Low-Alloy Steel	P11 · P22	ASTM A335	ASTM A234 WP11 / WP22 · A182 F11 / F22
Stainless Steel	304 / 304L · 316 / 316L	ASTM A312 TP Grades	ASTM A403 WP Grades · A182 F Grades
Duplex	S31803 / S32205	ASTM A790 Pipe · A789 Tube	ASTM A815 · A182 F51 / F60
Super Duplex	S32750 / S32760	ASTM A790 Pipe · A789 Tube	ASTM A815 · A182 F53 / F55
Nickel-Copper Alloys	Alloy 400 / N04400 · K-500 / N05500	Alloy 400: ASTM B165	Alloy 400: ASTM B366 / B564; K-500 Components To Specification

Valve body, trim, gasket and bolting grades follow the specified product configuration.

Applications

Industrial Applications

Pipework and components for industrial systems, including carbon steel and corrosion-resistant materials.

Geothermal Piping

Carbon steel pipe, flanges, fittings and valves for specified steam and plant piping packages.

Wastewater Treatment

Stainless and duplex process lines, pump connections and valve stations for industrial wastewater and treatment upgrades.

Oil & Gas Transmission

Corrosion-sensitive process, produced-water and offshore piping packages, including isolation valves, flanges and maintenance materials.

Chemical Process Piping

Process pipework, branches, equipment connections and compatible sealing packages.

Fire Protection Piping

Steel distribution pipework, fittings, valves and support components.

Contact TR POWER

Request a Quotation

Email your itemized BOM with product type, material grade, dimensions, quantities and delivery destination.

For pressure components, include the applicable standard, class / rating and service conditions.

Email Your Inquiry

TR POWER LLC

USA: Normal, Illinois.

China: Wenzhou, Zhejiang.

info@trpowerllc.com WhatsApp: +1 309 445 4061

Industrial piping.Complete supply.

Steel Pipes

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Joint Compatibility

Service Selection

Fasteners

Heavy Hex Bolt

Socket-Head Cap Screw

Eye Bolt

Double-End Stud

Fully Threaded Stud, Two Nuts & Two Flat Washers

Hex-Head Bolt, One Nut & One Flat Washer

U-Bolt

Heavy Hex Nuts

Metric & Inch Bolting

Materials & Treatments

Materials & Grades

Industrial Applications

Geothermal Piping

Wastewater Treatment

Oil & Gas Transmission

Chemical Process Piping

Fire Protection Piping

Request a Quotation

TR POWER LLC

Industrial piping.
Complete supply.