Jiangsu Hongbao Group Co., Ltd.
| Supply Ability | 60000 MT per Year |
| Delivery Time | 30 Days |
| Packaging Details | Seaworthy Wooden box, customized Packing |
| Shape | Round |
| Application | Automotive Part, Hydraulic System, High-precsion Machining. etc. |
| Delivery Condition | +C,+LC，+SR，+N，+A |
| Standard | EN10305-1 |
| Processing: | Cold Drawn, Cold Rolled |
| Certificate: | TS16949,DNV,PED,ISO |
| Brand Name | Hongbao |
| Certification | TS16949, ISO9001, OHSAS18001 etc. |
| Place of Origin | China |
| Model Number | HBPST-1 |
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Product Specification
| Supply Ability | 60000 MT per Year | Delivery Time | 30 Days |
| Packaging Details | Seaworthy Wooden box, customized Packing | Shape | Round |
| Application | Automotive Part, Hydraulic System, High-precsion Machining. etc. | Delivery Condition | +C,+LC，+SR，+N，+A |
| Standard | EN10305-1 | Processing: | Cold Drawn, Cold Rolled |
| Certificate: | TS16949,DNV,PED,ISO | Brand Name | Hongbao |
| Certification | TS16949, ISO9001, OHSAS18001 etc. | Place of Origin | China |
| Model Number | HBPST-1 | ||
| High Light | seamless steel tube ，seamless round tubes | ||
Round Steel Pipe EN10305-1 Material E235 High Precision Seamless Steel Tubes
Chemical Component
| Steel Number | Quality Level | Thickness/mm | Deoxidize Method | C(%)≤ | Si(%)≤ | Mn(%)≤ | P(%)≤ | S(%)≤ |
| E235(Fe360) | A B
C D | ≤16 ＞16-25 ≤40 ＞40
| N - - E NE NE GF | 0.22 0.17 0.20 0.17 0.20 0.17 0.17 | - 0.40 0.40 0.40 0.40 0.40 0.40 | - 1.40 1.40 1.40 1.40 1.40 1.40 | 0.050 0.045 0.045 0.045 0.045 0.040 0.035 | 0.050 0.045 0.045 0.045 0.045 0.040 0.035 |
| Material | E235 |
| Outer Diameter Range: | 4-120mm |
| Wall Thickness Range: | 0.5-15mm |
| Standard | EN10305-1 |
Delivery Condition
NBK(+N): After the final cold drawing operation the tubes are normalized in a controlled atmosphere.
GBK(+A): After the final cold drawing process the tubes are annealed in a controlled atmosphere.
BK(+C): No heat treatment after the final cold drawig process.
BKW(+LC): After the final heat treatment there is a suitable drawing pass.
BKS(+SR): After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere.
Application
Automotive Part,
Hydraulic System,
High-precsion Machining.
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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