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Seamless Precision Hydraulic Cylinder Pre Honed Tubes - China

price: contact company for price

Advantage: High precision, nice straightness and small allowance for

honing. Minimum surface roughness. Inner roughness: 0.8μ m

Main standards: DIN2391, EN10305- 1, ASTM A 519

Main materials: ST45, ST52, 1026, E255, E355

Usage: for honing pipe, hydraulic cylinder, pneumatic cylinder

Delivery condition: stress relieved ( BKS)

Straightness: 1/ 1000mm

Tensile strength: >=610MPa

Yield strength: >=500MPa

Elongation: >=15%

Inner diameter: 14 to 320 mm

Wall thickness: 2 to 32 mm

ID tolerance: according to customer' s requirement, generally - 0.3/ 0 or - 0.5/ - 0.3mm

Zhejiang Dingxin Steel Tube Manufacturing Co. , Ltd.

ISO9001, TS16949.

Contact person: Lisa Hsu,

sales04[ at] dingxintube[ dot] cn

Mobile: +86- 15669301195


Company Contact:


  • Phone: 8615669301195

  • Address: Liuli Industrial Zone, Haiyan County, Jiaxing, China

  • Email: Email


Published date: June 16, 2014 -

  • Business Description: 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, axle casing, & other car parts made from tubes), hydraulic & pneumatic cylinder, hydraulic jack, mechanical machine components, shipbuilding, geological drilling, nuclear station, etc.
    Main Standard: DIN 2391, EN 10305 1, ASTM A519, A192, A513 5, A 106, GB/T3639, BS6323, JIS, DIN1629, EN10210, DIN17175.
    Main material: Grade 10, 20, 35, 45, ST35, ST37(E235), ST45(E255), ST52(E355)(16Mn), 1010, 1020, 1026(25Mn), 1035, 1045(S45C), 4130, 4140, C45, C35, 20Cr(20Cr4)(5120), 40Cr(41Cr4)(5140), 30CrMo(4130), 34CrMo4, 35CrMo(4135), 42CrMo(4140), 42CrMo4, 38CrMoAl(38XMIOA), STKM11A, STKM12B, 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 in to 14.6 in ), W.T. 1 to 32 mm (0.04 in to 1.26 in).
    Output: 25,000 tons / year.
    Certificate: ISO9001:2008, TS16949:2009.
    Factory: 24,000 square meters. Located in Jiaxing, Zhejiang, 100 kilometers from Shanghai.
    Fully equipped state of the art equipment: including piercing equipment, bright annealing furnace (NBK), 17 roller large straightening machine (achievable straightness<=0.4/1000mm), big bogie hearth resistance furnace (BKS), 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 Precision Tube for Automobile Cylinder Liner Sleeve;
    Precision Seamless Tube suitable for Auto Spare Parts and Motorcycle Parts;
    DIN2391 ST52 Ready To Hone Tube for Hydraulic and Pneumatic Cylinder;
    ASTM SAE 1045 Precision Steel Tube for Hydraulic Jack;
    Alloy Seamless Pipe for Geological Drilling , drill pipe.

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

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

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