UK Special Steel Stockholder
This is a text only version of West Yorkshire Steel's Website.
Click here for the normal web pages
1.2767 X45NiCrMo4
Technical Data
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