
40Mn, to be delivered in either non-heat treated or heat treated (annealing, normalizing, or high-temperature tempering) condition. Delivery in heat treated condition should be specified in the contract; otherwise, it will be delivered without heat treatment.
● Chemical Composition:
Carbon (C): 0.37~0.44
Silicon (Si): 0.17~0.37
Manganese (Mn): 0.70~1.00
Sulfur S: ≤0.035
Phosphorus (P): ≤0.035
Chrome (Cr): ≤0.25
Nickel (Ni): ≤0.30
Copper (Cu): ≤0.25






30CrMnSiA
31CrMoV9
4340
2Cr13
9Cr18Mo
16MnCr5
3Cr13
20CrNi2Mo
4Cr13
20Cr2Ni4
