We are known for offering a range of Cold Drawn Seamless Steel Pipes that is made available for a diversity of applications. The raw material used for manufacturing the range is procured from famous steel mills and the pipes have high precision on tube size tolerance. We can also offer other grades as per the requirements of clients. Details : Max L:12 m OD:40 - 377mm T:2.5-55mm Grade : 20# 45# 16Mn 27SiMn 25Mn Standard : GBT8713 ISO4394 Metric size : Inside diameter from 40 to 377mm, Max length 12 m. Straightness : 0.5 1000 Tolerance EXT : DIN 2391 GBT8713 Tolerance INT : ISO H8-H10 Roughness (Ra) : 0.8 to 0.1.6µ Type : cold drawing, normalizing treatment Condition : BK, BKW, BKS, NBK, GBK Standards : GB T 8162 ASTM A, 53ASME SA53 Grade : 10, 20, 35, 45, Q345, 15CrMo, 12Cr1MoV, A53A, A53B, SA53A, SA53B Dimensions, Mechanical properties, Chemical composition : Refers to ASTM A53 (GBT8162, ASME SA53) OD : 21.3--323mm, WT: 6--36mm Supplied For : Equipment Automobile parts Motorcycle parts Shock absorbers Hydraulic cylinders Pipelines Vessels Pipe fittings Mechanical structures