440b 440c 9cr18MOV Stainless Steel Round Pipe Tube Haixiang Metal Technology (Hangzhou) Co., Ltd. Base Info Transport Package:as RequiredTechnique:Hot RolledCertification:ISO, RoHS, IBRStandard:ASTM, AISI, GB, JIS, DINModel NO.:440BSpecification:20-400Origin:China Description Pre:S235 St37 Best ASTM A36 Hot Rolled Carbon Steel Plate Next:Factory Super Duplex Stainless Steel Pipe