We are a factory in China, professionally manufacture & supply cold-drawn and cold-rolled precision seamless steel tubes. They are widely used in automobile, hydraulic & pneumatic cylinder, mechanical machinery, shipbuilding, oil drilling, 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. Based 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<=0.4/1000mm), big bogie-hearth resistance furnace, chain draw bench, 250T hydraulic draw bench, cold-rolling mill, CNC equipment, non-destructive testing equipment, chemical analysis, mechanical properties testing equipment, etc.

Customers are from US, Canada, Australia, South Korea, Turkey, India, Brazil, Argentina, Sweden, Italy, etc.

Feature: Bao Steel ST45 SAE1020 Tube for Automobile Cylinder Liner / Sleeve, Precision seamless pipe suitable for Auto Parts and Motorcycle Parts, DIN2391 ST52 steel Ready To Hone Tube for Hydraulic and Pneumatic Cylinder, SAE 1045 steel precision tube for Hydraulic Jack, Geological Drilling Pipe ASTM A 519 SAE 4130 steel.

Contact us today, sales04 [at] dingxintube [dot] cn, Mobile:+86-15669301195, Skype:lisa204299.

Other: Alloy & Carbon Seamless Steel Pipe, Precision Steel Tube, Hydraulic Tube, Automobile Tube, Mechanical Tube.