ASME SA691/SA691M

ASTM A691 ASME SA691 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