... ,SCH80S, XS, SCH80 etc.Length1m-24mStandardAPI 5L, API 5CT, ASTM A53, ASTM A252, ASTM A500, ASTM A795, BS1387, BS1139, EN10255, EN10219, EN10217, EN39, DIN2440 ... , L320M, L360M, L390M, L415M, L450M,L485M, L555M, L625M, L690M, H40, J55, K55, M65, L80, C95, N80,Q125, S235GT, S195T, Grade 1 ...