We are a factory in China, professionally manufacture & supply cold-drawn and cold-rolled precision seamless steel tubes. They are widely used in automobile (cylinder sleeve liner, camshaft, piston, bushing, bearing, suspension, chassis parts, other car parts), hydraulic & pneumatic cylinder, mechanical machinery, shipbuilding, oil drilling (drill pipe), nuclear station, etc.
Main Standard: DIN 2391, EN 10305-1, ASTM A519, A192, A513-5, A 106, BS6323, JIS, DIN1629, DIN17175.
Main material: ST35, ST37(E235), ST45(E255), ST52(E355)(16Mn), 1010, 1020, 1026(25Mn), 1045(S45C), 4130, 4140, 20Cr(20Cr4)(5120), 40Cr(41Cr4)(5140), 30CrMo(4130), 34CrMo4, 35CrMo(4135), 42CrMo(4140), 42CrMo4, 38CrMoAl(38XMIOA), Gr. B, or custom made.
Delivery condition: BK(+C), BKW(+LC), BKS(+SR), GBK(+A), Q&T, NBK(+N).
Size: O.D. 10 to 370 mm (0.4" to 14.6" ), W.T. 1 to 32 mm (0.04" to 1.26").
Output: 25,000 tons / year.
Certificate: ISO9001:2008, TS16949:2009.
Factory: 24,000 square meters. Located in Jiaxing, Zhejiang, 100 kilometers from Shanghai.
Full-range sophisticated equipment: including piercing equipment, bright annealing furnace (NBK), 17-roller large straightening machine (achievable straightness