Delivery Time:30 Days
Certification:TS 16949

Precision Carbon Steel Mechanical Tubing , Black Phosphated Hydraulic Tube

Speficification: 

Size:OD4mm-60mm,TH0.5mm-7mm Standard:EN10305-4 /DIN2391/C Material:ST35,ST37.4,ST37,ST45,ST52,ST52.4,E235,E255,E355,SAE1010,SAE1020. Delivery State:NBK+ Black phosphated Raw material:Bao Steel,Huai Steel,XingCheng Steel with good quality. Length:5.8m,6m. Package:Bundles or wooden cases,with caps of ends.

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.