standard: API 5L PSL1,PSL2 Steel Grades: B-X100 UOE,JACOE way Anti-corrosion coating: anti-H2S,CO2 corrosion LSAW Pipe Longitudinal seam submerged arc welded pipe LSAW steel pipe 1) Line Pipe Standard: API 5L PSL1,PSL2 Steel Grades: A,B,X42--X100 UOE,JACOE forming ways Dimension: WT: 6-40MM OD: 508-1422MM Length: 6.0 - 18.3m Uses: Line pipe can meet all requirements of hi-pressure transmission pipline for natural gas and petroleum and can be used in offshore,icy areas and as with large difference in altitude. 2)LSAW steel pipe Structural Pipes and low-pressure liquid transportation pipes Standard: ASTM A139 (Grade A-E) ASTM A 252(Grade 1 -3) JIS G3444 (STK290 -540) GB/T 3091 (Q215-345) OD: 508 -1422MM WT: 6 - 40MM Length: 6 -12m Uses: as low-pressure liquid transportation pipes and different types of load bearing structure units as well as other purposes. We can also supply with other sizes according to your requirements.