EN10305-2 E355 OD12 Round ERW Welded Tube for Car Hydraulic System - Hollow Steel Tube
Round ERW (Electric Resistance Welded) welded tubes are precision-engineered hollow steel tubes designed specifically for automotive hydraulic systems. These tubes offer exceptional strength, durability, and resistance to high pressure, making them ideal for fluid transport in vehicles. Their uniform structure allows for consistent performance and reliability in demanding conditions. Manufactured through advanced welding techniques, they ensure minimal defects and superior finish. Lightweight yet robust, these tubes contribute to overall vehicle efficiency and safety, supporting critical hydraulic applications seamlessly.
| Parameter | Specifications |
|---|---|
| Outside Diameter (Inch) | From 1/2 to 5 |
| Wall Thickness (Inch) | From SCH40 to XXS |
| Outside Diameter (mm) | From 25 to 356 |
| Wall Thickness (mm) | 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 |
- NBK(+N): After cold forming, eventually above phase transition point, in a protective atmosphere of annealing oxidation medium
- GBK(+A): After cold forming, annealing in non-oxidizing medium protective gas
- BK(+C): The final heat treatment after cold forming, therefore small steel pipe plasticly, the plasticly degree does not guarantee
- Fuel injection lines/nozzles for diesel or gasoline engine
- Compressed natural gas (CNG) tube
- Drive transmission: steering column elements
- Gear shafts, hand brake, front axles, airbag inflators, stabilizers, seat fasteners, front-wheel drive shafts
- Mechanical structure pipe parts in automobile, motorcycles and vehicle
- Hydraulic circuits, pneumatic lines and hydraulic suspension
- Hydraulic cylinders
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.
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