Manufactured by Dörrenberg Edelstahl..
For detailed information about 1.8159 (51CrV4) spring steels click on the "Technical Details" tab.
Chemical Component and Material Code
1.8159 51CrV4 NCV
Carbon |
Chromium |
Vanadium |
C |
Cr |
V |
0,51 |
1,10 |
0,20 |
|
Temperature |
Cooling |
Hardness |
Soft Annealing |
680 - 720 °C |
Furnace |
max. 248 HB |
Normalization |
840 - 880 °C |
Air |
|
Hardenining |
820 - 860 °C |
Oil |
|
Hardness |
270 - 330 |
HB |
Thermal Expansion Coefficient |
12,2 - 13,7 |
1/K * 10-6 |
Thermal Conductivity (20°C) |
44,9 |
W/mK |
Density |
7,85 |
g/cm3 |
For very mixed-shaped tools and cold-forming tools, it is recommended that the hardening temperature be close to the lower limit. The above curing temperatures are given according to heat treatment in salt bath. If heat treatment is done in vacuum, the curing temperature should be 10 - 30 °C lower.
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