... OD:48.3---610mm Thickness:2.---14mm Standard:EN1,API ,ASTM. Material:GRB ,X42,J55,X65 About ... ASTM A53/A53M-05, ASTM A252-98(R2002), API SPEC 5Lmaterial:10#, 20#, 16MN, Q295API Welded Steel Pipe ... (8" - 160") THK: 3.2 - 40mm standard: API SPEC 5L, ASTM, GB/T9711.1-1997, GB/T5037-2001, GB ... " - 24") THK: 6 - 19.1mm standard: API SPEC 5CT material:16MN, Q295Special finished subsject to customer's requested ...