| After-sales Service: | Change/Return |
|---|---|
| Warranty: | 1 Year |
| Type: | Seamless |
| Technique: | Cold Drawn |
| Material: | Carbon Steel |
| Surface Treatment: | Oiled |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier | DESIGNATION | SYMBOL | DESCRIPTION |
| Cold drawn(rolled)-Hard | +C/BK | No heat treatment after the final colddrawing. |
| Cold drawn(rolled)-Soft | +LC/BKW | After the final heat treatment,there is a suitable drawing pass. |
| Stress relieved after cold draw(rolled) | +SR/BKS | After the final cold drawing,there is a stress relief heat treatment in a controlled atmosphere. |
| Annealed | +A/GBK | After the final cold drawing,the tubes are annealed in a controlled atmosphere. |
| Normalized | +N/NBK | After the final cold drawing,in a controlled atmosphere. |
Suppliers with verified business licenses
Audited Supplier 
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