... 45#, Cr-Mo alloy, Mn-V alloy, 10MoWV...Grade: 10#, 20#, 15CrMo, 12Cr1MoV, 10CrMo910, C... ... 500*500Place of Origin: Tianjin China (Mainland)Secondary Or Not: Non-secondaryApplication: Structure PipeTechnique: weldedCertification: ISO9001 ... , St37-2, SS330, SS400, ASTM A 106B, ASTM A53, X42Quality:Manufactured to meet ISO9001, ASTM, API, SAE, DIN, BS, GB ... 6—2.5125*1252.75-5.7525*(40—50)0.8-2.75110*(110-140 ...