Jiangsu Hongbao Group Co., Ltd.
| Payment Terms | L/C,T/T |
| Supply Ability | 30000MT per year |
| Delivery Time | Within 50 days |
| Packaging Details | Seaworthy plywooden case packing |
| OD | 4-383mm |
| Standard | ASTM, JIS, DIN, EN |
| Material | E355, E235, ST37.4, ST52.4 |
| Thickness | 0.5-18mm |
| High Light | Cold drawn seamless pipe |
| Application | Cylinder |
| Brand Name | Hongbao |
| Model Number | |
| Place of Origin | Jiangsu, China |
| Certification | TS16949, DNV, PED, ISO, TUV, LR |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | 30000MT per year |
| Delivery Time | Within 50 days | Packaging Details | Seaworthy plywooden case packing |
| OD | 4-383mm | Standard | ASTM, JIS, DIN, EN |
| Material | E355, E235, ST37.4, ST52.4 | Thickness | 0.5-18mm |
| High Light | Cold drawn seamless pipe | Application | Cylinder |
| Brand Name | Hongbao | Model Number | |
| Place of Origin | Jiangsu, China | Certification | TS16949, DNV, PED, ISO, TUV, LR |
| High Light | Polished Welded Steel Tube ，Cylinder Welded Steel Tube ，Steel Welded Boiler Tube | ||
Cold Drawn Seamless Steel Tube, also known as Precision Steel Tube for Cylinder System, is manufactured through a precise cold drawing process, ensuring high precision and consistent wall thickness. Ideal for applications requiring high mechanical strength and durability.
Main Material: E235, E355
Other Available Materials: 10#, 20#, 45#, 16Mn, ST30Al, ST35, ST37, ST37.4, ST45, ST52, ST52.4, E155, E195, E255, etc.
Outer Diameter (OD): 4-120mm
Wall Thickness (WT): 0.5-15mm
| Condition Code | Description |
|---|---|
| BK (+C) | No heat treatment after last cold forming process |
| BKW (+LC) | After last heat treatment there is a light finishing pass (cold drawing) |
| BKS (+SR) | After the final cold forming process the tubes are stress relieve annealed |
| GBK (+A) | After the final cold forming process the tubes are annealed in a controlled atmosphere |
| NBK (+N) | After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere |
Company Details
Business Type:
Manufacturer
Year Established:
1958
Total Annual:
>76000000
Employee Number:
700~1000
Ecer Certification：
Verified Supplier
Jiangsu Hongbao Group (Pipe) Co., Ltd. (Zhangjiagang Hongda Pipe Co., Ltd.) is a high-tech company in Jiangsu province. The company has a registered capital of RMB 89 million, covers an area of 130,000 square meters, employs 600 staff, and has annual sales of RMB 400 million. The company is speciali... Jiangsu Hongbao Group (Pipe) Co., Ltd. (Zhangjiagang Hongda Pipe Co., Ltd.) is a high-tech company in Jiangsu province. The company has a registered capital of RMB 89 million, covers an area of 130,000 square meters, employs 600 staff, and has annual sales of RMB 400 million. The company is speciali...
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