Jiangsu Hongbao Group Co., Ltd.
| Supply Ability | 800MT/Month |
| Delivery Time | Negotiable |
| Packaging Details | Wooden cases |
| Payment Terms | L/C,T/T |
| Material | 26MnB5, 34MnB5, E235, E355 |
| Length | Random or fixed length |
| Shape | Round |
| Technical | Welded |
| Standard | EN10305-1, EN10305-2 etc |
| High Light | Welded steel tubing |
| Brand Name | Hongbao |
| Model Number | HONGBAO |
| Certification | TS16949, ISO9001 |
| Place of Origin | Jiangsu, China |
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Product Specification
| Supply Ability | 800MT/Month | Delivery Time | Negotiable |
| Packaging Details | Wooden cases | Payment Terms | L/C,T/T |
| Material | 26MnB5, 34MnB5, E235, E355 | Length | Random or fixed length |
| Shape | Round | Technical | Welded |
| Standard | EN10305-1, EN10305-2 etc | High Light | Welded steel tubing |
| Brand Name | Hongbao | Model Number | HONGBAO |
| Certification | TS16949, ISO9001 | Place of Origin | Jiangsu, China |
| High Light | welded steel pipe ，cold drawn welded tubes | ||
EN10305-2 Precision Automotive Carbon Welded Steel Tube Honed Steel Pipe is a top-tier solution for automotive applications, meticulously engineered for precision and performance. These tubes, crafted with high-quality carbon steel, boast exceptional strength and durability. The honed finish ensures smooth operation and optimal hydraulic performance, ideal for demanding automotive environments. With stringent adherence to EN10305-2 standards, these tubes offer reliability and efficiency, making them a preferred choice for critical automotive systems where precision and quality are paramount.
| Designation | Symbol | Description |
|---|---|---|
| Cold finished (hard) | BK | Tubes do not undergo heat treatment following the final cold forming and, thus, have a rather high resistance to deformation. |
| Cold finished (soft) | BKW | The final heat treatment is followed by cold drawing involving limited deformation. Appropriate further processing allows a certain degree of cold forming (e.g. bending, expanding). |
| Cold finished and stress-relieved | BKS | Heat treatment is applied following the last cold forming process. Subject to appropriate processing conditions, the increase in the residual stresses involved enables both forming and machining to a certain degree. |
| Annealed | GBK | The last cold forming process is followed by annealing in a controlled atmosphere. |
| Normalized | NBK | The last cold forming process is followed by annealing above the upper transformation point in a controlled atmosphere. |
Available materials: E235, E355, 26MnB5, 34MnB5
The internal and external surface finish of the tubes shall be typical of the manufacturing process and, where applicable, the heat treatment, and it shall be such that any surface imperfections such as ridges, dents or shallow grooves requiring dressing can be identified.
Surface imperfections which encroach on the specified minimum wall thickness shall be considered defects and tubes containing these shall be deemed not to conform to this part of EN 10305.
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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