Sağlam Metal
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TL
1.2842 steel 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 offers good compression strength. It has a similarity to 1.2510 steel. 1.2842 quality steel is also called oil steel because it can be hardened in oil.
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 |
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