Chemical Composition of 25CrMo4 (%):
|
C |
Si |
Mn |
Cr |
Mo |
S |
P |
| 0.22-0.28 | 0.1-0.4 | 0.5-0.8 | 0.9-1.2 | 0.15-0.3 | ≤0.035 | ≤0.035 |
The mechanical properties of 25CrMo4 can reach the following indicators after proper heat treatment:
*Yield strength: ≥ 640 MPa
*Tensile strength: ≥ 800 MPa
*Elongation (after fracture): ≥ 12%
*Hardness: ≤ 285 HB
Reasons for choosing 25CrMo4:
1. Providing high-strength support
25CrMo4 has excellent tensile strength and yield strength, and can withstand heavy loads and impacts, ensuring the stability and safety of the structure. This makes it a key component in heavy machinery and building structures.
2. Enhanced wear resistance
The wear resistance of this material makes it suitable for high-wear environments, such as mining equipment and automobile chassis, which can extend service life and reduce maintenance costs.
3. Fatigue resistance
25CrMo4 maintains excellent toughness under repeated loading and unloading, reducing the risk of fracture and fatigue failure, and is particularly suitable for applications with dynamic loads.
4. Adapt to high temperature environments
Its good high-temperature performance enables 25CrMo4 to be used in fields such as petrochemicals and aerospace, ensuring reliability under extreme conditions.
5. Improve design flexibility
The excellent processability and weldability of 25CrMo4 allow design engineers to design complex shapes and structures to meet various specific needs.
6. Optimize structural lightweight
On the premise of meeting strength requirements, the use of 25CrMo4 can help achieve lightweight design and improve the performance and efficiency of the overall equipment.
Applications
1. Heavy Machinery
25CrMo4 reinforcement plates are widely used in heavy machinery manufacturing. It is often used to manufacture key structural parts of excavators, cranes and mining machinery. These equipment operate under high load and impact conditions, requiring materials with good tensile strength and toughness to ensure safety and reliability.
2. Automotive Industry
In the automotive industry, 25CrMo4 is used to manufacture components such as chassis, suspension systems and drive shafts. Due to its high strength and wear resistance, it can improve the safety and durability of automobiles. At the same time, the lightweight characteristics of this material help improve fuel efficiency and meet the needs of modern automobile design.
3. Oil and Gas Industry
In the oil and gas industry, 25CrMo4 reinforcement plates are often used for high-pressure pipelines, valves and other important accessories. These applications require the material to maintain stable performance under high temperature and high pressure environments. 25CrMo4 is an ideal choice due to its excellent fatigue resistance and corrosion resistance.
4. Aerospace
In the aerospace field, 25CrMo4 is used to manufacture some structural components and wing support frames. The material's lightweight and high-strength properties are well suited to aircraft design requirements, improving aircraft performance and safety.
5. Power Equipment
25CrMo4 is also used to manufacture power equipment, such as brackets for generators and transformers. These components need to withstand heavy loads and high temperatures to ensure equipment stability and long-term reliability.
6. Tools and Dies
In the manufacturing industry, 25CrMo4 is used to make high-strength tools and dies, especially in plastic molding and metal cutting processes. Its high hardness and wear resistance enable it to maintain performance under harsh processing conditions.
