40Mn Special Alloy
40Mn special alloy is a remarkable material that has numerous benefits and applications. It is widely used in various industries for its exceptional mechanical and physical properties. This alloy has a unique combination of strength, ductility, toughness, and excellent corrosion resistance.
The special properties of 40Mn alloy make it perfect for the manufacturing of high-quality and reliable products. It has been extensively used in the automotive industry to produce robust and durable parts such as gears, shafts, and axles. The railway industry also relies heavily on 40Mn special alloy to produce top-quality rails that can withstand high loads and stress.
The construction industry also benefits from this exceptional material as it can be used to produce high-strength concrete reinforcement bars and other structural components. The oil and gas industry has also found 40Mn special alloy useful for its excellent resistance to corrosion, making it perfect for use in drilling machinery and pipelines.
1. Chemical composition: The main components are iron, manganese, carbon, silicon, etc. Among them, the manganese content accounts for a relatively high, up to 1%-1.5%, which is the key to its high quality such as high hardness, high strength and high ductility.
2. Physical properties: High density, can reach 7.85g/cm³, and it also has good thermal conductivity, electrical conductivity and thermal expansion coefficient and other physical characteristics, can meet the application needs of different fields.
3. Mechanical properties: Excellent mechanical properties, including high strength, high hardness, high toughness, etc., its yield strength can reach more than 560Mpa, tensile strength up to about 760Mpa, at the same time, its elongation can also reach more than 15%, easy to process and forge.
4. Corrosion resistance: Good corrosion resistance, long-term use in the environment is not easy to oxidation, rust, corrosion, suitable for a variety of applications in different environments.
5. Specifications and sizes: products of different specifications and sizes can be customized according to customer needs, including plates, rods, tubes and other shapes can be processed, while the surface finish and dimensional accuracy of the product can also meet the specific requirements of customers.
Chemical composition (wt.%)
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) |
|---|---|---|---|---|---|---|
| 0.37-0.44 | 0.17-0.37 | 0.70-1.00 | 0.035 | 0.035 | 0.25 | 0.3 |
| Cu(%) | ||||||
| 0.25 |
Mechanical Properties
| Rp0.2 (MPa) | Rm (MPa) | Impact KV (J) |
Elongation A (%) |
A Z (%) | Delivery | Hardness HB |
|---|---|---|---|---|---|---|
| 982 (≥) | 344 (≥) | 11 | 34 | 14 | Solution & Aging, Ann, Ausaging, Q+T | 312 |
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