Cold Drawn Carbon Steel Mechanical Tubing E355 For Power Steering System

Specification: 

• Standard:EN10305-1/4
• Size:OD4-60mm,WT:0.5-6mm
• Material:E235,E255,E355
• Delivery State:NBK/GBK
• Raw material:Bao Steel,Huai Steel,XingCheng Steel with good quality.
• Length:5.8m,6m.
• Package:Bundles or wooden cases.
• Surface Anti-rust:Both outside and internal tube surface flushing with anti-rust oil.

Quality Features: 

• Surface quality:very smooth and bright without oxide scale,pock,strach,crack and other defects.
• Surface roughness:Ra:0.8-1.3 um.
• Straightness:0.5-1mm/1000mm.
• Internal hole Cleaness:clean without iron scrap,dust.
• Mechanical Properties:better extending rate and strength property.

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