Din2391 st35 BK reasonable price Precision Seamless Steel Tube for
Applicable to all industries
Size Range: OD: 6-88mm, WT: 1-15mm, Length: 5.8m/6m, maximal 11.8m
Delivery Condition: BK,
Application: For high precision purpose, auto industry, like
manipulator, Shock Absorber, Transmission Shaft, Steering Gear, Car
Cold Drawn on the seamless steel tubes, to reach high accuracy on
the OD and WT tolerance
NBK(Bright Annealing) Heat Treatment, Surface is clean and smooth,
without oxide scale
Good Extending and Bending Ability.
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing or Cold Rolling, On line inspection
5. Heat Treatment:BKS, GBK, NBK
6. Straightening/Cutting to specified length/Finished Measuring
7. Quality Testing in own lab with Tensile Strength, Yield
Strength, Elongation, Hardness, Straightness, etc.
8. Packing and Stocking.
100% Eddy Current Testing.
100% Size Tolerance Checking.
100% Tube surface checking to avoid surface defects.