Customization: | Available |
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After-sales Service: | 1 Year |
Warranty: | 1 Year |
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Material | 10#-45#, 16Mn, A53-A369, Cr-Mo alloy, Q195-Q345, ST35-ST52, 10#, 20#, 45#, 16Mn, A213, A315, 30CrMo, Q195, Q215, Q235, Q345, ST35, St37, St45, St52 |
Surface | Black/ Bright |
Standard | DIN, GB, JIS, DIN 17175, DIN 2391, GB 5310-1995, GB/T 13793-1992, GB/T 3094- 2000, GB/T3639, JIS G3101 |
Size | OD 15mm-75mm |
Thickness 1-14mm | |
Processing | Cold rolled/ Cold drawn |
1. BK (+C) No heat treatment after last cold forming process. | |
2. BKW (+LC) After last heat treatment there is a light finishing pass ( cold drawing) | |
3. BKS (+SR) After the final cold forming process the tubes are stress relieve annealed. | |
4. GBK (+A) After the final cold forming process the tubes are annealed in a controlled atmosphere. | |
5. NBK (+N) After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere. | |
Packing | Woven bag/ Wooden or crate carton/ Bundle Packing/ Plain end or vanished as per customer's request. |
Delivery time | Normally 20-30 working days |