Jiangsu Hongbao Group Co., Ltd.
| Supply Ability | 30000MT per year |
| Delivery Time | within 50 days |
| Packaging Details | Original packaging according to the customers Export standard package in bundled or as required. |
| Brand: | Hongbao |
| Certificate: | TS16949,DNV,PED,ISO,TUV,LR |
| Material: | ST37.4,ST52.4,E235,E355,26MnB5,34MnB5 |
| OD: | 6-120mm |
| Thickness: | 0.5-15mm |
| Length: | 12000mm Max |
| Shape: | Round |
| Type: | Welded or Seamless |
| Brand Name | Hongbao |
| Model Number | HBHST-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 |
| Packaging Details | Original packaging according to the customers Export standard package in bundled or as required. | Brand: | Hongbao |
| Certificate: | TS16949,DNV,PED,ISO,TUV,LR | Material: | ST37.4,ST52.4,E235,E355,26MnB5,34MnB5 |
| OD: | 6-120mm | Thickness: | 0.5-15mm |
| Length: | 12000mm Max | Shape: | Round |
| Type: | Welded or Seamless | Brand Name | Hongbao |
| Model Number | HBHST-1 | Certification | TS16949,DNV,PED,ISO,TUV,LR |
| Place of Origin | Jiangsu, China | ||
| High Light | Hydraulic Cylinder Honed Tube ，26MnB5 Hollow Steel Tube ，20mm Hollow Steel Tube | ||
ST52 E355 Hydraulic Cylinder Honed Tube
Description:
| Delivery conditions |
1. NBK(+N) after cold forming, eventually above phase transition point, in a protective atmosphere of annealing oxidation medium 2. GBK(+A) after cold forming, annealing in non oxidizing medium protective gas 3. BK(+C) the final heat treatment after cold forming, therefore small steel pipe plastic, the plastic degree does not guarantee 4. BKW(+LC) after final heat treatment, a tiny cold drawing deformation, continue again when machining steel pipe allowed inside certain limits cold deformation(bending, flaring) |
Production Process:
Cold rolling by Cold pilger machine and Cold rolling machine
Size: 6-350mm
WT: 1.0-35mm
1. Standard:
EN10305-2 Cold Drawn Precision Seamless Steel Pipes
2. Steel Grade:
E155,E195,E235,E275,E355, other materials upon agreement with customers.
3. Production method:
Cold drawn on the welded steel tubes, to reach high accuracy on the OD and WT tolerance
4. Packing:
In Hexagonal Bundles, with anti-rust oil protection, with seaworthy packing
5. Deliver condition:
1) +C No heat treatment after the final cold drawing process
2) +LC After the final heat treatment there is a suitable drawing pass
3) +SR After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere
4) +A After the final cold drawing process the tubes are annealed in a controlled atmosphere
5) +N After the final cold drawing operation the tubes are normalized in a controlled atmosphere
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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