... SCH60,SCH80S, XS, SCH80 etc.Length1m-24mStandardAPI 5L, API 5CT, ASTM A53, ASTM A252, ASTM A500, ASTM A795, BS1387, BS1139, EN10255, EN10219, EN10217, EN39 ... L360M, L390M, L415M, L450M,L485M, L555M, L625M, L690M, H40, J55, K55, M65, L80, C95, N80,Q125, S235GT, S195T, Grade ... air and non-hazardous gases- pressure purposes- applies to structural hollow sections- general structure purpose and pressure ...