Jiangsu Hongbao Group Co., Ltd.
Jiangsu Hongbao Group Co., Ltd. Manufacture since 1958
Add to Cart
Cold Drawn Precision Welded Steel Tube Round Shape For Automotive
Description:
Our cold drawn precision welded steel tubes are meticulously crafted to meet the straight requirements of the automotive industry. With advanced manufacturing techniques, we ensure exceptional precision, dimensional accuracy, and durability. These tubes play a vital role in enhancing the performance and reliability of automotive systems, setting new standards in quality and engineering excellence.
Typical Specification:
| NO. | Grade | Welding Typical Specification | Yield Strength |
| 1 | 26MnB5 | Φ34×6 | 235～300Mpa |
| 2 | 34MnB5 | Φ28×5 | 285～360Mpa |
| 3 | E355 | Φ38×4.5 | 355～450Mpa |
| 4 | STK490 | Φ50.8×2.5 | 345～450Mpa |
Delivery Condition:
1) +C No heat treatment after the final cold drawig 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
| Material: | 45#, E235,E355, 26MnB5 etc |
| Standard: | EN10305-1,EN10305-2 |
| Delivery Condition: | +C,+N, +LC,+SR, +A |
| Size Range: | Outer Diameter:10-50mm |
| Application: | Cold Drawn Precision welded Steel Tube is Widely Used in Automotive Part, Hydraulic System, High-precsion Machining. |
Advantage:
Top class of welding line: SG/76 Enhanced High-precise High Frequency Welding Tube Production Line. The tube is of small outer diameter (D) and thick wall thickness (t): t/D≥0.2, and high size precision.
Production Equipment:
