1.4112 (X90CrMoV18) Stainless Steels
1.4112 (X90CrMoV18)
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: 1.4112, R17X, X90CrMoV18
Carbon |
Chromium |
Molybdenum |
Vanadium |
C |
Cr |
Mo |
V |
0,90 |
18,00 |
1,10 |
0,10 |
Heat treatment:
|
|
Temperature |
Cooling |
Hardness |
Soft annealing |
780 - 840 °C |
Furnace |
265 HB |
Stress relief annealing |
600 - 650°C |
Furnace |
|
Hardening |
1000 - 1050°C |
oil, pressure gas (N2), air or hot bath 500 - 550°C |
See Tempering Diagram |
Mechanical Properties
Hardness |
54 - 60 |
HRC |
Physical Properties
Thermal Expansion Coefficient |
10,3 - 11,6 |
1/K * 10-6 |
Thermal Conductivity (20°C) |
15,9 |
W/mK |
Density |
7,85 |
g/cm3 |
