Free 45Mn Steel Chemical Composition
45Mn steel is a high-quality alloy steel that is widely used in various industries such as construction, manufacturing, and engineering. It has good strength, toughness, and wear resistance, and can be easily machined and welded.
The chemical composition of 45Mn steel is as follows:
- Carbon (C): 0.42-0.49%
- Silicon (Si): 0.17-0.37%
- Manganese (Mn): 0.50-0.80%
- Phosphorus (P): 0.035% max
- Sulfur (S): 0.035% max
With this chemical composition, 45Mn steel exhibits excellent mechanical properties and can withstand high stresses and strains. It is known for its exceptional hardenability, which enables it to be heat-treated to achieve increased hardness and wear resistance.
In addition to its mechanical properties, 45Mn steel is also known for its superior machinability and weldability. This makes it an ideal material for use in a wide range of applications, including gears, shafts, and machine parts.
In conclusion, 45Mn steel is a high-quality and versatile alloy steel that offers excellent mechanical, machinability, and weldability properties. Its chemical composition ensures that it can withstand high stresses and strains, making it a reliable and durable material for various industrial applications.
Hot work and heat treatment temperatures
Grade |
Delivery State |
T.S. |
Y.S. |
A,% |
Z,% |
Hardness, |
Forging ratio |
Grain Size |
Nonmetal ratio |
|
Hot rolled, |
Annealing |
|||||||||
45Mn |
Hot rolled, forged, or heat treatment |
600 |
355 |
16 |
40 |
229 |
197 |
≥ 4:1 |
≥ 6 |
≤ 2.0 |
Hot work and heat treatment temperatures
Grade |
Delivery State |
T.S. |
Y.S. |
A,% |
Z,% |
Hardness, |
Forging ratio |
Grain Size |
Nonmetal ratio |
|
Hot rolled, |
Annealing |
|||||||||
45Mn |
Hot rolled, forged, or heat treatment |
600 |
355 |
16 |
40 |
229 |
197 |
≥ 4:1 |
≥ 6 |
≤ 2.0 |
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