Seamless Steel Tubes for Automobile
Seamless Steel Tubes For Automobile
Seamless steel pipes are widely used in the automotive industry due to their excellent properties such as high strength, corrosion resistance, light weight and plasticity. From body structures to engine components to suspension and braking systems, seamless steel tubes play a key role.
Seamless steel pipes have excellent thermal conductivity and can be used to manufacture automotive heat exchangers such as radiators and condensers. Standard: DIN EN 10305 YB/T 5035 GBT 8162 MAL 010 GBT 3639.
The main applications of seamless steel pipes are as follows:
Body structure: 45# seamless steel pipe has excellent strength and stiffness, can withstand impact forces and maintain structural stability. For example, in key parts such as B-pillars, A-pillars and anti-collision beams, seamless steel pipes are used to build a safe and strong body structure.
Engine components: In engine design, 45Mn2 automotive seamless steel pipes are used to manufacture key components such as cylinder liners, valve guides and camshafts. Its excellent heat resistance and mechanical properties allow the engine to run efficiently.
Suspension and Braking Systems: Automobile Steel Pipe 25MnCr's light weight and corrosion resistance make it an ideal material for suspension and braking systems. It provides stable support while resisting external corrosion, ensuring long-term system performance.
Oil pipeline and fuel system: GB/T 8162 20Mn2 seamless steel pipe has good sealing and pressure resistance, and is suitable for manufacturing fuel injection systems and oil pipelines. Its corrosion resistance also helps ensure long-term stable operation of the system.
Dimensional Tolerance
| Supply Conditions | Steel Tubes Provided according to Outside Diameter and Wall Thickness | Steel Pipes Provided according to Outside Diameter, Inside Diameter and Wall Thickness | Steel Tubes with the Outside Diameter of 77 mm, Inside Diameter of 57 mm and the Wall Thickness of 10 mm | ||||
| Allowable Deviation of Diameter and Wall Thickness | Size (mm) | Allowable Deviation (%) | Size | Allowable Deviation | Size | Allowable Deviation | |
| Outside Diameter | ±1.0 | Outside Diameter | ±1.0% | Outside Diameter | +1.0 mm-0.55 mm | ||
| Wall Thickness | ≤ 7 | +15-9 | |||||
| ﹥7-15 | +12.5-10 | Inside Diameter | ±1.75% | Inside Diameter | +1.5 mm-0.5 mm | ||
| ﹥15 | +12.5-7.5 | Wall-Thickness-Difference | ≤ 15% of Nominal Wall Thickness | Wall-Thickness-Difference | ≤ 15% of Nominal Wall Thickness | ||
Precision Seamless Steel Tubes for Automobiles
Seamless steel pipe for half-shaft casing Automobile steel pipe is a high-quality carbon structural steel and hot-rolled seamless steel pipe with alloy structure. It is mainly used to produce automobile half-shaft casings and drive axle shaft tubes. Gnee can provide customers with automotive steel pipes of 45Mn2, 45# and 25MnCr grades. These steel tubes have high strength, high durability and good fatigue resistance, and can meet the high requirements of the automotive industry for axle bushings. By using these steel pipes, automakers can ensure the quality and reliability of their products, thereby increasing the safety and longevity of their vehicles.
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