Detailed Product Description NametubeMaterialalloy steelStandardsASTM, ANSI, API, JIS, DIN, EN, BS, UNI, NFA, GB and SY/TGrade:Q345A/B, Cr5Mo, 12Cr1MoV, 10CrMo910,,27SiMn, 15CrMo, 30CrMo, 34CrMo420G, 20MnG, 15MnG, 15MoG20MoG, 12CrMoG, 12Cr2MoVGSpecification:O.D.12-1020mm, W.T. 1-60mm.Marking:as per customer's requirementPacking:Bundles, seaworthy wooden casesWith or without edge protector, steel ...