Axle tubes play a crucial role in various in vehicles. It is widely used in heavy - duty trucks, buses, and some special - purpose vehicles. These vehicles need axles with high load - bearing capacity, and high - strength alloy steel pipes can meet this requirement well.
The seamless tube has good dimensional accuracy and surface quality, which can ensure the smoothness of the axle tube and the accuracy of its installation, seamless steel pipes have good formability and can be easily processed into various shapes and sizes of axle tubes.
In the automotive industry, seamless steel pipes are the preferred material for manufacturing axle tubes due to their excellent comprehensive performance.
| Name | Axle Tube |
|---|---|
| Standard | ASTM A106, ASTM A53, ASTM A179, DIN2391, EN10216, JIS G3454, JIS G3441 etc. |
| Grade | GR.A, GR.B, GR.C, 10#, 20#, 35#, 45#, STK 500, STK540, STK 500, SPTG370, STPG410, STS370, STS410, STS480, 1008, 1020, 1013, 4140, 5130 etc. |
| Types | Engineering Pipe, Tubing and Casing, Roller Pipe, Drilling Pipe, Automobile pipe, etc. |
| Out diameter | 10 -120mm |
| Thickness | 0.5mm-20mm |
| Length | 0.5- 12M |
| Pipe Coating | Oiling, Lacquering, Hot-Dip Galvanizing, Powder Painted, Electro-Galvanized |
| Pipe End Type | Square End, Bevelled End, Threaded End, Grooved End, Shouldered End |
| Cold drawn / hard (+C) | No heat treatment after last cold forming process. |
|---|---|
| Cold drawn / soft | After last heat treatment there is a light finishing pass (cold drawing). |
| Cold drawn (+SR) | After the final cold forming process the tubes are stress relieve annealed. |
| GBK (+A) | After the final cold forming process the tubes are annealed in a controlled atmosphere. |
| NBK (+N) | After the final cold forming process the tubes are annealed above the upper transformation point in a controlled atmosphere. |
