1.2842 tool steel (90MnCrV8) is a medium alloy cold work steel containing approximately 1% carbon.
It has a high hardening ability towards the core. It is dimensionally stable and has good compressive strength.
It is a medium alloy cold work steel containing approximately 1% carbon.
It is a medium alloy steel that can harden in oil and has high expansion properties.
It has a high hardening ability towards the core. It is dimensionally stable and has
good compressive strength. Wear resistance is low. It is also known as oil steel.
It has similarity to AISI 02 and 2510 steel.
1.2842 (Z1B) 90MnCrV8 Cold Work Tool Steel
It is used in cutting, punching, punching tools.
It is also used in slides and measuring tools, brooches,
compasses, plastic molds and guide pins.
Carbon |
Chromium |
Manganese |
Vanadium |
C |
Cr |
Mn |
V |
0,90 |
0,40 |
2,00 |
0,10 |
Temperature |
Cooling |
Hardness |
|
Soft Annealing |
700 – 730 °C |
Furnace |
229 HB |
Stress Relief Annealing |
600 – 650°C |
Furnace |
|
Hardening |
780 – 820°C |
oil or hot bath 180 – 220°C |
see tempering diagram |
Hardness |
54 – 60 |
HRC |
Coefficient of thermal expansion |
12,2 – 14,4 |
1/K * 10-6 |
Thermal conductivity (20°C) |
32,8 |
W/mK |
Density |
7,85 |
g/cm3 |
