1.2767 X45NiCrMo4
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1.2767 X45NiCrMo4 is a higher carbon
version of the standard 4¼% nickel air/oil hardening steel. 1.2767 X45NiCrMo4 achieves a good hardness and is suitable for applications demanding extra wear resistance.
| TYPICAL ANALYSIS |
C. |
Ni. |
Cr. |
Mo. |
0.45% |
4.10% |
1.40% |
0.30% |
Forging:
Heat slowly and uniformly to 1050°C. After forging cool slowly.
Annealing:
Heat uniformly to 630/650°C. Soak well and cool slowly in the furnace.
Hardening:
Pre heat the 1.2767 tool slowly to 650/700°C and thoroughly soak. Continue heating to the final hardening temperature of 840/870°C and allow the component to be heated through. Quench in oil or cool in air.
Tempering:
Heat the 1.2767 tool uniformly and thoroughly at the selected tempering temperatures and hold at heat for one hour per inch of total thickness.
| Tempering °C |
100 |
200 |
300 |
400 |
500 |
600 |
HRc |
56 |
54 |
50 |
46 |
42 |
38 |
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