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 |
| Brand: | Hongbao |
| Certificate: | TS16949, DNV |
| Origin: | Jiangsu, China |
| OD: | 6-120mm |
| Thickness: | 0.5-15mm |
| Shape: | Round |
| Processing: | Cold Drawn, Cold Rolled |
| Brand Name | Hongbao |
| Model Number | HBPST-1 |
| Certification | TS16949, DNV |
| 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 | Brand: | Hongbao |
| Certificate: | TS16949, DNV | Origin: | Jiangsu, China |
| OD: | 6-120mm | Thickness: | 0.5-15mm |
| Shape: | Round | Processing: | Cold Drawn, Cold Rolled |
| Brand Name | Hongbao | Model Number | HBPST-1 |
| Certification | TS16949, DNV | Place of Origin | Jiangsu, China |
| High Light | precision steel pipe ，erw precision tubes | ||
Our EN10305-2 ST37.4 hydraulic cylinder round cold drawn welded precision steel tube is a high-quality, precision-crafted tube designed for hydraulic systems and cylinders. Manufactured from cold-drawn and welded steel, this tube features tight tolerances, excellent mechanical properties, and a smooth inner surface. Ideal for use in hydraulic systems, industrial equipment, and machinery where high pressure resistance and precise control are required.
| Outside Diameter (Inch) | Wall Thickness (Inch) | Outside Diameter (mm) | Wall Thickness (mm) |
|---|---|---|---|
| From 1/2 to 5 | From SCH40 to XXS | From 25 to 356 | From 4 to 80 |
| Length: From 2m to 12.5m in accordance with customers' requirements | |||
| Chinese | American | German |
|---|---|---|
| 10# | ASTM A53-A | St37 DIN1626 |
| ASTM A106-A | St37-2 DIN17175 | |
| ASTM A179-C | St35.8 DIN17175 | |
| ASTM A192 | St35.8 DIN17175 | |
| 20# | ASTM A53-B | St42-2 DIN1626 |
| ASTM A106-B | St45-8 DIN17175 | |
| ASTM A178-C | St45-4 DIN1629 | |
| 45# | ASTM A1045 | CK45 |
| 16Mn | ASTM A210-C | St52 DIN1629 |
| 37Mn5 | J55 | |
| 27SiMn | ||
| CrMo | ASTM 4135,4150 | CrMo4 DIN17212 |
| 40Cr | ASTM 5140 | 41Cr4 |
Hydraulic Cylinder Tube ST52 and ST52.3 with excellent machinability and weldability. Supplied seamless or welded, cold drawn & stress relieved (BK+S), with yield strength over 520 MPa. The inside diameter is honed and oiled with the tube ends capped for protection.
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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