Our welding aircraft tubing, sa335p11, Steel Tube have long been popular in the domestic market and exported to many overseas countries and regions. We strive to be a stable one and improve after-sales service, try to win customers and establish a good reputation. Our company closely focuses on the corporate vision of "Better Life", aiming at good social and economic benefits. In continuous innovation and self-transcendence, we understand what is change and persistence, what is accumulation and precipitation. We require our employees to adhere to the business principles of integrity when conducting business with external partners and strictly abide by national laws and regulations as well as the requirements of social morality.
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
Our active team is keen to share knowledge and experiences with all customers and users, and we are always ready to provide the most competitive High Quality 1010 25mncr SMA490bw Ck35 27CD4 40cr C45e 45b2m SAE8617 20crmnti 26mnb5 SAE1527 25crmo4 E355 Steel Tubes and Pipes for Vehicle with continuous supports. Please contact us freely once you need details any time! We`ll supply the best service for every customer and sincerely welcome friends to work with us and establish the mutual benefit together. We actively expand our capital management and continue to develop rapidly.
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