Jiangsu Hongbao Group Co., Ltd.
| Supply Ability | 60000 MT per Year |
| Delivery Time | 30 Days |
| Packaging Details | Seaworthy Wooden box, customized Packing |
| Delivery Condition | +C,+LC，+SR，+N，+A |
| Standard | EN10305-1, EN10305-4 |
| Port | Shanghai Port |
| Payment | T/T; L/C |
| Trade Term | FOB, EXW, CIF |
| Material | E235, E355 |
| 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 | Delivery Condition | +C,+LC，+SR，+N，+A |
| Standard | EN10305-1, EN10305-4 | Port | Shanghai Port |
| Payment | T/T; L/C | Trade Term | FOB, EXW, CIF |
| Material | E235, E355 | Brand Name | Hongbao |
| Certification | TS16949, ISO9001, OHSAS18001 etc. | Place of Origin | China |
| Model Number | HBPST-1 | ||
| High Light | precision seamless pipe ，seamless steel tube | ||
EN10305-1 EN10305-4 Precision Seamless Steel Tubes For Hydraulic Systerm
Standard Statement
EN 10305-1:
2010. Steel tubes for precision applications. Technical delivery conditions. Seamless cold drawn tubes.
EN 10305-4:
2011. Steel tubes for precision applications. Technical delivery conditions. Seamless cold drawn tubes for hydraulic and pneumatic power systems.
Material
Main material: E235,E355
Other aviliable material: 10#,20#,45#,16Mn, ST30Al,ST35, ST37,ST37.4,ST45,ST52,ST52.4,E155,E195,E255, etc
OD: 4-120mm
WT: 0.5-15mm
Delivery Condition
| Designation | Symbol | Description |
| Cold drawn/ hard | +C | No heat treatment after the final cold drawig process. |
| Cold drawn/ soft | +LC | No heat treatment after the final cold drawig process. |
| Cold draw and stress relieved | +SR | After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere. |
| Annealed | +A | After the final cold drawing process the tubes are annealed in a controlled atmosphere. |
| Normalized | +N | After the final cold drawing operation the tubes are normalized in a controlled atmosphere. |
Application
Hydraulic system of diesel engine and engineering machinery;
Hydraulic system of locomotive.
Advantage of Precision Seamless Steel Tubes
2. High precision can be done in small batch production;
3. Cold drawing finished products with high precision and good surface quality.
4. The transverse area of the steel tube is more complicated;
5. Steel pipe performance is superior, metal is more dense.
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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