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Zhangjiagang Sheng Ding Yuan group

[Province: Jiangsu ]

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Cold Drawn Phosphated Seamless Steel Tube For Hydraulic , High Precision

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Cold Drawn Phosphated Seamless Steel Tube For Hydraulic , High Precision

Speficification:

Features:

Surface Anti-rust:good property of antirust,both outside and internal tube surface flushing with anti-rust oil.
Surface Color: Bright black color is homogeneously distributed on the tube surface.
Surface quality:very smooth and bright without oxide scale,pock,strach,crack and other defects..
Surface Cleaness:clean without iron scrap,dust,better for hydraulic system life.
Mechanical properties:better extending rate and strength property,after bending with no deformation,after flattening and flaring process with no crack.
Raw material: Precision tubes are made from carbon steel from quality Bao Steel,XingCheng Steel,and HuaiSteel.
Testing:Flattening test,Flaring test,tensile strength test,hydraulic pressure test are made for each batch of hydraulic tubing.