Welded Cold Drawn or Cold Rolled Precision Steel Tube

Product Information

Product standards: EN10305-2, DIN 2393, ASTM A513

Dimentions:

Outside diameter: 18 - ​120 mm (0.709 - ​4.724'')

Wall thickness: 1.0 - ​7.5 mm (0.039 - ​0.295'')

Main products: automobile engine parts, hydraulic cylinder tubes for machinery equipment

Straightness:

a) ReH≤500MPa，the curvature is 0.0015 L

b) ReH>500MPa，the curvature is 0.002 L

Lengths: The usual length of steel tube is 3000mm~8000mm. According to the demand of the buyer, and after negotiation between the supplier and the buyer, steel tube of other lengths can be produced.

Delivery Status:

Cold working/hard state: +C

Cold working/soft state: +LC

Stress relief annealing state after cold working: +SR

Annealing state: +A

Normalizing state: +N

Customer Benefits:

High dimensional accuracy for inside and outside diameters

Extremely limited wall thickness tolerances

Reduced eccentricity

Smooth drawn surface

Increased strength values due to cold forming

Tightly staggered range of dimensions

Customized heat treatment