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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 are based on the manufacturing industry and are engaged in producing and selling 25crmo4, 35CrMo, 35CrMo4, 42CrMo4, 34CrMo4, 20mnv, 20mnv6, 20crmn; Alloy Steel Tube Carbon Pipes in the spirit of being proactive. Since the establishment of our company, we always take 'science and technology' as the purpose, adhere to the business philosophy of 'integrity, innovation, high quality and high efficiency', and emphasize the spirit of common development of customers, enterprises, employees and society. We firmly believe that: to offer you a sincere heart will also get a sincere return.
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