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 |
| Material: | ST37.4, ST52.4, E235, E355, 26MnB5, 34MnB5 |
| Brand: | Hongbao |
| OD: | 6-120mm |
| Thickness: | 0.5-15mm |
| Type: | Welded or Seamless |
| Processing: | Cold Drawn, Cold Rolled |
| Brand Name | Hongbao |
| Model Number | HBPST-1 |
| Certification | TS16949, DNV, PED, ISO |
| 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 |
| Material: | ST37.4, ST52.4, E235, E355, 26MnB5, 34MnB5 | Brand: | Hongbao |
| OD: | 6-120mm | Thickness: | 0.5-15mm |
| Type: | Welded or Seamless | Processing: | Cold Drawn, Cold Rolled |
| Brand Name | Hongbao | Model Number | HBPST-1 |
| Certification | TS16949, DNV, PED, ISO | Place of Origin | Jiangsu, China |
| High Light | precision steel pipe ，precision seamless tubing | ||
Our 100Cr6 precision cold drawn seamless bearing steel tube is a high-performance product designed for automotive and motorcycle applications. Manufactured from premium chrome steel, this tube features precise dimensions, tight tolerances, and excellent mechanical properties. The cold drawing process ensures a superior smooth surface finish, making it ideal for engine components, gearboxes, and other moving parts requiring high wear resistance and corrosion protection.
| Description | Cold-drawn or cold-rolled precision seamless and welded pipes |
|---|---|
| Process Method | Cold drawn and cold rolled |
| Carbon Precision Steel Pipe Specification | O.D.: 10-219mm × W.T.: 1.2-45mm × L: 5.8-11.8m (specific or random) |
| Steel Grade | 10#, 20#, 45#, 16Mn, ST30Al, ST35, ST37, ST37.4, ST45, ST52, ST52.4, E155, E195, E235, E255, E355, etc. |
| Standards | DIN2391, DIN2445, DIN1629, DIN1630, DIN73000, DIN2445, EN10305, JIS G3445, ASTM A106, ASTM A179, ASTM A519, etc. |
| Delivery Condition | NBK(+N), GBK(+A), BK(+C), BKW(+LC), BKS(+SR) |
| Surface Treatment | Bare Tube (No coating) - Bright and smooth; Surface coating; Black and Phosphated; etc. |
| Packing | Wrapped with PVC and gunny sacks, Seaworthy wooden case or upon customers' requirements |
| Basic Inspection | Chemical analysis and mechanical testing |
| Production Capability | 200,000 MT/Year |
| Steel Grade | C% | Si% | Mn% | P% | S% | AL% |
|---|---|---|---|---|---|---|
| E215 | ≤0.10 | ≤0.05 | ≤0.7 | ≤0.025 | ≤0.025 | ≥0.025 |
| E235 | ≤0.17 | ≤0.35 | 0.4-1.2 | ≤0.025 | ≤0.025 | |
| E255 | ≤0.21 | ≤0.35 | 0.4-1.1 | ≤0.025 | ≤0.025 | |
| E355 | ≤0.22 | ≤0.55 | ≤1.6 | ≤0.025 | ≤0.025 |
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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