1.4122 (X39CrMo17_1) Stainless Steels
1.4122 (X39CrMo17_1)
Stainless martensitic alloy,
Good hardening capacity,
High wear resistance.
Similar to AISI 440B.
Manufactured by Dörrenberg Edelstahl.
Area of Application
Knives and cutting tools, punching discs, screw parts for plastic processing, ball bearings, injection moulding nozzles.
Chemical composition
Code: 1.4122, HC17M, X39CrMo17-1
Carbon |
Chromium |
Molybdenum |
0,39 |
16,50 |
1,10 |
Heat treatment
|
|
Temperature |
Cooling |
Hardness |
Soft annealing |
750 - 850 °C |
Furnace |
280 HB |
Hardening |
980 - 1060°C |
oil, pressure gas (N2), air or hot bath 500 - 550°C |
see tempering diagram |
Mechanical Properties
Hardness |
27 - 33 |
HRC |
Tensile Strength |
750 - 950 |
N/mm2 |
Yield Strength |
Min 550 |
N/mm2 |
Elogation L=5D |
12 |
% |
Toughness |
14 - 20 |
CVN (J) |
Physical Properties
Thermal Expansion Coefficient |
10,3 - 11,6 |
1/K * 10-6 |
Thermal Conductivity (20°C) |
16,0 |
W/mK |
Density |
7,85 |
g/cm3 |
