... -2000, ASTM A53/A53M-05, ASTM A252-98(R2002), API SPEC 5Lmaterial:10#, 20#, 16MN, Q295API Welded Steel Pipe For LSAW ... .1 - 4064mm (8" - 160") THK: 3.2 - 40mm standard: API SPEC 5L, ASTM, GB/T9711.1-1997, GB/T5037-2001, GB ... (8 5/8" - 24") THK: 6 - 19.1mm standard: API SPEC 5CT material:16MN, Q295Special finished subsject to customer's requested ...