... DIN, JIS, GB, etc.Grade:Q345A/B, Cr5Mo, 12Cr1MoV, 10CrMo910,,27SiMn, 15CrMo, 30CrMo, 34CrMo4, etcOther standard and grade ... s requirementDimensions, Mechanical properties, Chemical compositions: Refer to relative standard as per clients requirementsPacking: Bundles, seaworthy wooden casesWith ... hoop and seals, or as per customers' requirementsother material or pipes we also can supply: alloy seamless ...