Jiangsu Hongbao Group Co., Ltd.
| Payment Terms | L/C,T/T |
| Supply Ability | 30000MT per year |
| Delivery Time | Within 50 days if production |
| Packaging Details | Seaworthy plywooden case packaging |
| Material | E235, E355, 26MnB5, 34MnB5 |
| Certificate | TS16949, DNV, PED, ISO |
| Thickness | 0.5-15mm |
| OD | 6-120mm |
| High Light | Welded steel tubing |
| Brand Name | Hongbao |
| Model Number | HBWST-1 |
| Certification | TS16949, DNV, PED, ISO |
| Place of Origin | Jiangsu,China |
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Product Specification
| Payment Terms | L/C,T/T | Supply Ability | 30000MT per year |
| Delivery Time | Within 50 days if production | Packaging Details | Seaworthy plywooden case packaging |
| Material | E235, E355, 26MnB5, 34MnB5 | Certificate | TS16949, DNV, PED, ISO |
| Thickness | 0.5-15mm | OD | 6-120mm |
| High Light | Welded steel tubing | Brand Name | Hongbao |
| Model Number | HBWST-1 | Certification | TS16949, DNV, PED, ISO |
| Place of Origin | Jiangsu,China |
Manufactured in strict compliance with the EN10305-2 standard, this precision tube utilizes E355 grade carbon steel known for its excellent weldability and high yield strength. Through the cold drawing process, the tube achieves superior dimensional accuracy and a smooth surface finish, while maintaining a thin-wall design to reduce vehicle weight. It is widely used in automotive chassis systems, seat frames, shock absorbers, and stabilizer bars.
| Grade | Welding Typical Specification | Yield Strength |
|---|---|---|
| 3 | E355 | Φ38×4.5 | 355～450 MPa |
| Steel Number | Quality Level | Thickness/mm | Deoxidize Method | C(%)≤ | Si(%)≤ | Mn(%)≤ | P(%)≤ | S(%)≤ |
|---|---|---|---|---|---|---|---|---|
| E235(Fe360) | A | ≤16 | N | 0.22 | - | - | 0.050 | 0.050 |
| B | ＞16-25 | - | 0.17 | 0.40 | 1.40 | 0.045 | 0.045 | |
| C | ≤40 | - | 0.20 | 0.40 | 1.40 | 0.045 | 0.045 | |
| D | ＞40 | E | 0.17 | 0.40 | 1.40 | 0.045 | 0.045 | |
| - | - | NE | 0.20 | 0.40 | 1.40 | 0.040 | 0.040 | |
| - | - | NE | 0.17 | 0.40 | 1.40 | 0.035 | 0.035 | |
| - | - | GF | 0.17 | 0.40 | 1.40 | 0.035 | 0.035 |
| Steel Number | Yield Strength/MPa | ≤16 | ＞16-40 | ＞40-63 | ＞63-80 | ＞80-100 | ＞100-150 | ＞150-200 |
|---|---|---|---|---|---|---|---|---|
| E355(Fe510) | C | 355 | 345 | 335 | 325 | 315 | 295 | 285 |
| E355(Fe510) | D | 355 | 345 | 335 | 325 | 315 | 295 | 285 |
Seaworthy plywood case packaging
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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