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Products Description
Tube 25crmo4
Advantages of Tube 25crmo4
- Tube 25CrMo4 can be heat-treated, through quenching and tempering, to achieve a customized combination of hardness, strength, and ductility for parts requiring specific mechanical properties.
- Tube 25CrMo4's high strength and fatigue resistance make it ideal for roll cages, suspension arms, drive shafts, and chassis components subject to sustained vibration and dynamic loads.
- Tube 25CrMo4 exhibits excellent high-temperature stability, enabling reliable operation in environments exposed to moderately high temperatures, such as engine nacelles in aerospace applications.
Applications of Tube 25crmo4
- Automotive Industry: Roll cages and chassis frames, suspension arms and components, drive shafts, and steering columns for racing and high-performance vehicles.
- Aerospace Industry: Airframe structural tubes and lightweight support structures, hydraulic lines, landing gear components, and actuation systems.
- Mechanical Engineering: Rotating mechanical components in gearboxes and transmissions, precision mechanical parts such as shafts, bushings, and cylindrical housings.
- High-Pressure and Hydraulic Systems: Hydraulic and pneumatic cylinders, high-pressure delivery pipes, etc.
Chemical Composition
| Element | Carbon | Silicon | Manganese | Phosphorus | Sulfur | Chromium | Molybdenum |
| Composition (%) | 0.22 – 0.29 | ≤ 0.40 | 0.60 – 0.90 | ≤ 0.025 | ≤ 0.035 | 0.90 – 1.20 | 0.15 – 0.30 |
Mechanical Properties
| Property | Tensile Strength | Yield Strength | Elongation | Impact Energy | Hardness |
| Value | 750 – 980 MPa | ≥ 500 MPa | ≥ 14% | ≥ 35 J (at 20°C) | ~ 200–240 (annealed) |
Physical Properties
| Property | Density | Melting Point | Thermal Conductivity | Electrical Conductivity |
| Value | 7.85 g/cm³ | 1420 - 1460 °C | 46 W/m·K | 13 - 16 % IACS |
Possible Alternative Grades
- AISI 4130 (USA) – Very similar composition and properties
- SCM430 (Japan) – Equivalent to 25CrMo4 in JIS
- 42CrMo4 (if higher strength needed) – Stronger but less ductile
- 16MnCr5 (for carburized applications) – If surface hardening is required
Products Show
We updated and perfected the product structure of AISI 4130 25crmo4 30CrMo En10297-1 41cr4 25crmo4 30CrMo4 42CrMo4 Alloy Seamless Steel Pipe for Construction Materials in order to comply with market changes and ever-increasing requirements of customers. The company's enterprise tenet and spirit: to be steady and honest as the foundation, to be realistic and pragmatic, pay attention to efficiency as the way of operation. The company insists on creating value for customers, developing together with employees, and providing high-quality products to the world.
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