Manufactured by Dörrenberg Edelstahl.
Spindles loaded up to highest pressure, screws, controlling parts, bolts, crankshafts.
Carbon |
Chromium |
Molybdenum |
Vanadium |
C |
Cr |
Mo |
V |
0,31 |
2,50 |
0,20 |
0,15 |
|
Temperature |
Cooling |
Cooling |
Soft annealing |
680 - 720°C |
Furnace |
|
Normalizing |
870 - 900°C |
Air |
|
Hardening |
840 - 880°C |
Oil, Water |
See Tempering Diagram |
Mechanical Properties |
27 - 33 |
HRC |
Tensile strength |
850 - 1300 |
N/mm2 |
Yield strength |
600 - 900 |
kN/mm2 |
Modulus of elasticity L=5D |
9 - 12 |
% |
Toughness |
25 - 40 |
CVN (J) |
Coefficient of thermal expansion |
12,1 - 13,6 |
1/K * 10-6 |
Thermal conductivity (20°C) |
25,7 |
W/mK |
Density |
7,80 |
g/cm3 |
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