Jiangsu Hongbao Group Co., Ltd.
| Supply Ability | 30000MT per year |
| Delivery Time | Within 50 days if production |
| Packaging Details | seaworthy plywooden case packing. |
| Payment Terms | L/C, T/T |
| Origin: | Jiangsu,China |
| OD: | 6-120mm |
| Thickness: | 0.5-15mm |
| Shape: | Round |
| Type: | Welded or Seamless |
| Processing: | Cold Drawn, Cold Rolled |
| Brand Name | Hongbao |
| Model Number | HBPST-1 |
| Certification | TS16949, DNV, PED, ISO, TUV, LR |
| Place of Origin | Jiangsu, China |
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Product Specification
| Supply Ability | 30000MT per year | Delivery Time | Within 50 days if production |
| Packaging Details | seaworthy plywooden case packing. | Payment Terms | L/C, T/T |
| Origin: | Jiangsu,China | OD: | 6-120mm |
| Thickness: | 0.5-15mm | Shape: | Round |
| Type: | Welded or Seamless | Processing: | Cold Drawn, Cold Rolled |
| Brand Name | Hongbao | Model Number | HBPST-1 |
| Certification | TS16949, DNV, PED, ISO, TUV, LR | Place of Origin | Jiangsu, China |
| High Light | precision steel pipe ，erw precision tubes | ||
ST52 Q345B Cold Drawn Precision Steel Tube Round Cold Drawn Honed Tubes For Auto
Description:
Our ST52 Q345B cold drawn precision steel tube is a high-stength, precision-crafted round tube for automotive applications. Cold drawn and honed for exacting tolerances, this tube features excellent dimensional stability, high tensile strength and smooth inner surfaces. Ideal for use in engine mounts, suspension components and other critical auto parts where reliability and performance are paramount.
| Delivery Conditions | 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. | |
| Package | 1. Bundle Packing. | |
| 2. Plain end or vanished as per customer's request. | ||
| 3. Wrapped in waterproof paper. | ||
| 4. Sackcloth with several steel strips. | ||
| 5. Pack in heavy tri-wall boxes. | ||
Quality Control:
1. Incoming Raw Material Inspection
2. Raw Material Segregation to avoid steel grade mix-up
3. Heating and Hammering End for Cold Drawing
4. Cold Drawing and Cold Rolling, on line inspection
5. Heat Treatment, +A, +SRA, +LC, +N, Q+T
6. Straightening-Cutting to specified length-Finished Measuring Inspection
7. Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation, Hardness, Impact, Mictrostruture etc
8. Packing and Stocking.
Company Details
Business Type:
Manufacturer
Year Established:
1958
Total Annual:
60000000-80000000
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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