1. lsaw/dsaw api 5l psl1 steel pipe
1.Specifications: Ф406mm-Ф1620mm, thickness 6mm-20mm.
Q235B, Q345B,, GRB, 10 #, 20 #, X42-X80 grade and so on.
2.our productive Standard: SY/T0315-97, SY/T0315-2005, CAN/CSA-Z245.20-M98, DIN30671, Q/CNPC38-2002, DIN 30670
SY/T0413-2002 "of buried steel pipe polyethylene coating technology standards"
2. lsaw/dsaw api 5l psl2 pipe
Double submerge arc welding steel pipe (DSAW )/Longitudinal-seam Submerge arc welding steel pipe(LSAW).
Product specification level(PSL), there are PSL1, PSL2. PSL2 NACE for sour service. PSL2 LSAW steel pipe require more inspection in API SPEC 5L standard new edition, Impact test is mandatory. The chemical analysis, mechanical properties, technical properties, welding test, repair welding is also different between PSL1 and PSL2.
3.API5L NACE MR0175 LSAW Steel Pipe
NACE MR 0175 require the pipe material anti sour service for LSAW steel pipe.Such as H2S gas transportation. Special Test for NACE: Chemical Component Analysis especially for S, P content.Hardness Vicker test usually performed.HIC/SWC test will be carried out according to NACE TM0284.Or if agreed in an alternative test.refer to ISO15156 Table B
Ausin Pipeline Material &Equipment Co., Ltd.