SKH51/M2 high-speed steel
1. What is SKH51 High-Speed Steel?
SKH51 high-speed steel is a type of steel renowned for its exceptional properties, particularly its ability to self-harden in air at high temperatures ranging from 1200 to 1240 degrees Celsius.
2. Chemical composition:
➽ Chemical Composition of SKH51 Steel
Element
|
Percentage (%) |
| C |
0.15 ~ 0.3
|
Si
|
0.15 ~ 0.3
|
| Mn |
0.25 ~ 0.3
|
| Cr |
3.8 ~ 4.5
|
| Mo |
4.8 ~ 5.0
|
| W |
6.0~7.0
|
| V |
1.8~2.3
|
| P |
≤0.03
|
| S |
≤0.01 |
➽ Heat Treatment Process for SKH51 Steel
|
Process
|
Conditions
|
|
Annealing
|
800 ~ 880°C
|
|
Quenching
|
Slow cooling
|
|
Quenching Medium
|
≤255
|
|
Tempering
|
1200~1220°C
|
|
Tempering Medium
|
Oil quenching
|
|
Hardness (HRC)
|
550 ~ 750 HRC
|
3. Features of SKH51:
- Self-Hardening Ability
- High-Speed Machining
- Durability
4. Applications of SKH51:
SKH51 high-speed steel finds widespread applications across various industries, including:
- Metalworking: SKH51 is extensively utilized for manufacturing cutting tools, drills, milling cutters, and other precision machining equipment.
- Automotive Industry: Due to its ability to withstand high-speed machining operations, SKH51 is commonly employed in the production of automotive components, such as engine parts, gears, and transmission systems.
- Aerospace Sector: The aerospace industry relies on SKH51 steel for the fabrication of critical components requiring high precision and durability, including turbine blades, aircraft structures, and engine components.
- General Engineering: SKH51 finds usage in a range of general engineering applications, such as tool and die making, mold manufacturing, and fabrication of mechanical components requiring high wear resistance and dimensional accuracy.
5. Why Choose Us for Your Steel Needs:
- Guaranteed Quality: We provide top-quality iron and steel products, carefully ed and rigorously tested to meet the highest standards.
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