Place of Origin: | Zhejiang |
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Location: | Ningbo, Zhejiang, China (Mainland) |
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Business Type: | Manufacturer |
Main Products: | Precision Steel Tube, Welded Steel Tube, Seamless Steel Tube |
Model No.: | DIN 2391 |
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DIN2391 St35.0 St37.0 St44.0 St45St52.0 BKW BKS GBK NBK Seamless Precision Cold Drawn Steel Tubes
Standard: DIN2391 Seamless Cold Drawn/Rolling Steel Tubes
Applications: for Auto industry / for machinery use / Oil Cylinder Tube / Motorcyle shock absorber
Auto shock absorber innder cylinder / Telescopic Cylinders
Size range: O.D.:6-350mm W.T.:1-50mm L:max12000mm
Materials:
The tubes are manufactured from electric steel or basic oxygenn stel, the melting and casting processes being at the discretion of the manufacturer.
The steel is cast as kiiled steel
Apperance:
Tubes have a smooth internal and external surface with the cold working process
Tube ends:
Square cut, no burrs
Steel Grade and Chemical Compositions:
Steel Grade | C | Si | Mn | P | S | |
max | max | max | max | |||
ST35 | 0.17 | 0.35 | ≥0.40 | 0.025 | 0.025 | |
ST45 | 0.21 | 0.35 | ≥0.40 | 0.025 | 0.025 | |
ST52 | 0.22 | 0.35 | ≥1.60 | 0.025 | 0.025 |
Mechanical properties at room temperature | ||||||||||
Steel Grade | Minimum values for the delivery condition | |||||||||
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