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Detailed Product DescriptionMaterial:ST35,ST37.4,ST37,ST45,ST52,ST52.4Standard:ISO8535-1/DIN2391/C/EN10305-4 /SAEJ524Application:Hydraulic System, Automobile, Mechanical PartsOuter Diameter:4 To 60mmTechnique:Precision Cold Drawn Seamless Carbon Steel TubeThickness:0.5 To 7mmBright Black Seamless Carbon Steel Tube For Engine High Pressure Oil PipeQuick Detail: DIN2391(EN10305/4) seamless high pressure steel tubing ST37.4(E235) Raw material:Bao Steel,Huai Steel,XingCheng Steel with good quality.Surface clean,without oxidization.High working pressure,deformation without crack Description: Synopsis of Process Routing: quality carbon steel — cold drawn — heat treatment without oxidization (NBK status) — nondestructive testing. In the wall honing and inside flushing under the high pressure — .Antirust oiling outside surface — plastic capping on both ends. Internal Surface quality Control:We adopt automatic inner surface cleaning machine, rotating brush cleaning and high pressure oil flushing to clean the inner and outer surface.The new steel tube production craftsmanship can effectively remove all particulate attached to the inner and outer surface of tubes and thus achieving the utmost surface cleaness and polishness. Main Features: color of steel tube: bright black. Color is homogeneously distributed on the tube surface. The tube has good property of antirust. Applications: Used in hydraulic system,including automotive Hydraulic power steering system, the clutch system, braking system, engine high pressure oil pipe, excavator hydraulic oil pipe,nested card connector (pipe joints) with matching,shippment industry. Specifications: Standard:ISO8535-1/DIN2391/C/EN10305-4 /SAEJ524Material:ST35,ST37.4,ST37,ST45,ST52,ST52.4,E235,E255,E355,SAE1010,SAE1020Delivery State:NBK/GBK. Competitive Advantage: Certificate awarded:TS16949 since 2009.Main Customer:Contitech,Benteler.We have to cooperate with Volkswagen.We also have been reviewed by BMW.
