Manufactured by Dörrenberg Edelstahl.
Large plastic moulds higly stressed in core, hydroforming tools.
Carbon |
Chromium |
Molybdenum |
Manganese |
Nickel |
C |
Cr |
Mo |
Mn |
Ni |
0,40 |
1,90 |
0,20 |
1,50 |
1,00 |
|
Temperature |
Cooling |
Hardness |
Soft Annealing |
710 - 740 °C |
Furnace |
235 HB |
Stress Relief Annealing |
500 - 550°C |
Furnace |
|
Hardening |
830 - 870°C |
oil or hot bath 180 - 220°C |
see tempering diagram |
Hardness |
30 - 48 |
HRC |
Thermal Expansion Coefficient |
11,8 - 13,3 |
1/K * 10-6 |
Thermal Conductivity (20°C) |
39,5 |
W/mK |
Density |
7,85 |
g/cm3 |
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