Round ERW Welded Tube, Hollow Steel Tube For Car Hydraulic System
Description:
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.
| Advantaged Product Specification |
| English | Chinese |
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 | From4 to 80 |
| Length | From 2m to 12.5m in accordance with customers' requirements |
Material
&
Standard
Description | Chisese | 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 |
Delivery Condition:
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, threfore small steel
pipe plasticly, the plasticly degree does not guarantee
Application:
Fuel injection lines/nozzles for diesel or gasoline engine;
Compressed natured 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.
