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ASME SA691/SA691M

ASME SA691/SA691M Standard Specification for Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures covers carbon and alloy steel pipe, electric-fusion-welded EFW with filler metal added, fabricated from pressure vessel quality plate of several analyses and strength levels and suitable for high-pressure service at high temperatures. Heat treatment may or may not be required to attain the desired mechanical properties. The pipes are classified according to steel grades and are designated in classes according to the type of heat treatment performed in the pipe manufacture, whether the weld is radiographically examined, and whether the pipe has been pressure tested.

Grade : Alloy Steel A691 GRADE 1 CR, GRADE 1/2 CR, GRADE 1 1/4 CR, GRADE 2 1/4 CR, GRADE 3 CR, GRADE 5 CR, GRADE 9 CR, GRADE 91, CM 65, CM 70, CM 75

Specification : ASTM A691 / ASME SA691

Size : 1/2” NB – 24” NB

Thickness : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS

Type : Seamless / ERW / Welded / Fabricated / LSAW Pipes

Form : Round, Square, Rectangular, Hydraulic Etc

Length : Single Random, Double Random & Cut Length.

End : Plain End, Beveled End, Threaded

Product

Seamless Steel Pipe

ERW pipe

LSAW pipe

SSAW pipe

Casing and Tubing

O.D

13.72-914.4mm

21.3-660mm

406-1626mm

219-3500mm

Casing Size: 4-1/2' - 20' (114.3 mm - 508 mm)
Tubing Size: OD: 2-3/8' - 4-1/2' (60.3 mm - 114.3 mm)

W.T

1.25-50mm

1-20mm

6-60mm

5-26mm

0.205' - 0.635 mm; Length: R1 (4.88 m - 7.62 m), R2(7.62 m - 10.36 m), R3 (10.36 m - longer)

Unit Length

5.8/6/11.8/12m..etc

5.8/6/11.8/12m..etc

5.8/6/11.8/12m..etc

5.8/6/11.8/12m..etc

 

Material

GR.B, X42, X46, X52, S355JOH, S355J2H, St 44.0, P265GH, P235GH, P265TR1

GR.B, St 37, St 52, S235, X42, X46, X52, X56, X60, X65, X70

GR.B, St 37, St 52, S235, S355JRH, X42, X46, X52, X56, X60

GR.B, St 37, St 52, S235, X42, X46, X52, X56, X60, X65, X70

H40, J55, K55, N80, C75, L80, C90, T95, Q125

Usage

Chilled Water Pipe, Drinking water Pipe, Waste Water Pipe, Structural Tube, Fluid Pipe, Boiler Pipe, Oil and Gas Transportation Pipe, Mechanical Structure Pipe.

Low Pressure Liquid Delivery, such as water, gas and oil.

Low Pressure Liquid Delivery, such as water, gas and oil.

Low Pressure Liquid Delivery, such as water, gas and oil.

Conveying gas, water, oil, natural gas

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