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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..
