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
