DIN 1.7734-5
DIN 1.7734-5 introduction
Alloy 15CDV6 (1.7734) can be easily welded without further localised heat treatment. It exhibits high yield strength as well as good toughness.
Equivalent material: 1.7734, 1.7734.5, DIN 15CrMoV69, DIN 1.7734.6, DIN 1.7734.4, AFNOR 15CrMoV6, AFNOR 15CDV6, UNI 15CrMoV6, EN 15CrMoV69, EN 1.7734
DIN 1.7734-5 general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 g/cm³ |
typical value |
DIN 1.7734-5 thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
23.0 °C |
Coefficient of thermal expansion of 1.1E-5 - 1.4E-5 1/K |
Typical for Chromium Molybdenum Steel |
| Melting point |
- |
Melting point of 1382 - 1529 °C |
Typical for Chromium Molybdenum Steel |
| Specific heat capacity |
23.0 °C |
Specific heat capacity of 448 - 502 J/(kg·K) |
Typical for Chromium Molybdenum Steel |
| Thermal conductivity |
23.0 °C |
Thermal conductivity of 36 - 43 W/(m·K) |
Typical for Chromium Molybdenum Steel |
DIN 1.7734-5 chemical
| Property |
Value |
Comment |
| Carbon |
Carbon of 0.12 - 0.18 % |
- |
| Chromium |
Chromium of 1.25 - 1.5 % |
- |
| Iron |
- |
| Manganese |
Manganese of 0.8 - 1.1 % |
- |
| Molybdenum |
Molybdenum of 0.8 - 1 % |
- |
| Phosphorus |
Phosphorus of 0.02 % |
max. |
| Silicon |
Silicon of 0.2 % |
max. |
| Sulfur |
Sulfur of 0.015 % |
max. |
| Vanadium |
Vanadium of 0.2 - 0.3 % |
- |
DIN 1.7734-5 mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 190 - 210 GPa |
typical value |
| Elongation |
23.0 °C |
Elongation of 11 % |
- |
| Hardness, Brinell |
23.0 °C |
Hardness, Brinell of 293 - 352 [-] |
in annealed condition: 197 |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.3 [-] |
typical value |
| Tensile strength |
23.0 °C |
Tensile strength of 980 - 1180 MPa |
- |
| Yield strength |
23.0 °C |
Yield strength of 790 MPa |
- |
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