Manganese-aluminum alloy is also called manganese-aluminum-iron alloy. In steel production, it is both a strong deoxidizer and an alloy additive, and can also be used as an intermediate alloy. Adding a very small amount of manganese-aluminum alloy to steel and alloy can achieve the purpose of purifying steel and alloying, and part of the manganese element enters the steel as a component, which is conducive to reducing the cost of steel, and its application is becoming more common and increasing.

Parameter Index of Manganese-Aluminum Alloy
Grade | Mn | Al | Si | C | S | P | Fe |
FeMnAl-1
|
30~32 | 20~22 | 0.5~0.7 | ≤1.5 | ≤0.06 | ≤0.09 | margin |
FeMnAl-2
|
28~30 | 18~20 | 0.7~0.9 | ≤1.6 | ≤0.07 | ≤0.10 | |
FeMnAl-3
|
26~28 | 16~18 | 0.8~1.0 | ≤1.8 | ≤0.08 | ≤0.12 | |
FeMnAl-4
|
24~26 | 14~16 | 1.0~1.2 | ≤2.0 | ≤0.09 | ≤0.14 |

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