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: | E235, E355, 26MnB5, 34MnB5 |
| Certificate: | TS16949, DNV, PED, ISO, TUV, LR |
| 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 |
| Material: | E235, E355, 26MnB5, 34MnB5 | Certificate: | TS16949, DNV, PED, ISO, TUV, LR |
| 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 | ||
DIN2391 Cold Drawn Precision Steel Tube Black Phosphated Welded Hydraulic Steel Tubes
Description:
DIN2391 Cold Drawn Precision Steel Tube Black Phosphated Welded Hydraulic Steel Tubes are meticulously crafted components designed for high-performance hydraulic systems. These tubes, known for their precision and durability, undergo a specialized cold drawing process to ensure exceptional strength and resilience. The black phosphated finish not only enhances corrosion resistance but also provides a sleek appearance. With seamless welds and superior craftsmanship, these tubes deliver reliable performance in demanding industrial applications, making them a preferred choice for hydraulic systems worldwide.
| Process | Diameter | Length | Precision | Inner Hole Roughness |
| Cold Rolled | 30-100mm | ≤12 m | H8-H10 | 0.4-1.6 |
| Cold Draw | 30-250mm | ≤12 m | H8-H10 | 0.8-1.6 |
| Honing | 40-500mm | ≤12 m | H8-H9 | 0.4-0.8 |
| Rolling | 40-400mm | ≤7 m | H8 | 0.4 |
| Inner Diameter | H8 | H9 | H10 |
Steel Tube are manufactured according to technical specification of EN10305-2 Cold Drawn Welded
Precision Steel Tubes DOM tubing, with steel grade of E155,E195,E235,E275,E355 and delivery
Delivery Condition:
The tubes can be produced in the following delivery conditions:
GBK (+A) Annealed.
After the final cold forming process the tubes are annealed in a controlled atmosphere.
NBK (+N) Normalized. (Mainly focus on)
After the final cold forming process the tubes are annealed above the upper transformation point.
BK (+C) Cold finished/hard (cold finished as drawn).
No heat treatment after the last cold forming process.
BKW (+LC) Cold finished/soft (lightly cold worked)
After the last heat treatment there is a light finishing pass (cold drawing).
BKS (+SR) Cold finished/stress relieve annealed.
After the final cold forming process the tubes are stress relieve annealed.
Our Advantage:
1.Professional & skilled & reliable
2.One step total solution
3.Ready stock goods with fast delivery
4.Customizable:Non-standard sizes are also available
5.Small quantity is acceptable
6.Refund or replacement for any product faulty
Application:
1.Widely used in the mechanical treatment field, petrochemical industry, transport and construction field
2.Ordinary structural purposes and mechanic structural purposes, for example in construction field, fulcrum bearing etc;
3.The transportation of fluids in the projects and big equipments, for example transport of water, oil, gas etc
4.Can be used in low and medium pressure boiler for the transportation of fluids, for example steam tube, big smoke tube, small smoke tube, generating tube etc
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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