DIN 17205 Grade GS-30Mn5 air quenched and tempered
DIN 17205 Grade GS-30Mn5 air quenched and tempered introduction
The material GS-30 Mn 5 is applicable up to 300 degrees C. The use is performed in the construction of cranes and conveyor systems, in the vehicle and gear manufacturing as well as in the general mechanical engineering, e.g. for impellers, ball races, bearing rollers, drive tumblers, cog wheels, toothed rims.
Equivalent material: DIN G28Mn6, DIN 1.1165, JIS SCMn1, JIS SCMn2, EN 1.1165
DIN 17205 Grade GS-30Mn5 air quenched and tempered general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.85 g/cm³ |
DIN 17205 Grade GS-30Mn5 air quenched and tempered thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
100.0 °C |
Coefficient of thermal expansion of 1.1E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.2E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.3E-5 1/K |
- |
| Max service temperature |
- |
Max service temperature of 500 °C |
Typical for Carbon Steel |
| Max service temperature, long |
- |
Max service temperature, long of 0 - 300 °C |
- |
| Melting point |
- |
Melting point of 1380 - 1514 °C |
Typical for Medium Carbon Steel |
| Specific heat capacity |
23.0 °C |
Specific heat capacity of 470 - 520 J/(kg·K) |
Typical for Medium Carbon Steel |
| Thermal conductivity |
23.0 °C |
Thermal conductivity of 21 - 52 W/(m·K) |
Typical for Medium Carbon Steel |
DIN 17205 Grade GS-30Mn5 air quenched and tempered chemical
| Property |
Value |
| Carbon |
Carbon of 0.27 - 0.34 % |
| Manganese |
Manganese of 1.2 - 1.5 % |
| Phosphorus |
Phosphorus of 0.02 % |
| Silicon |
Silicon of 0.6 % |
| Sulfur |
Sulfur of 0.015 % |
DIN 17205 Grade GS-30Mn5 air quenched and tempered electrical
| Property |
Temperature |
Value |
Comment |
| Electrical resistivity |
23.0 °C |
Electrical resistivity of 1.43E-7 - 1.74E-7 Ω·m |
Typical for Carbon Steel |
DIN 17205 Grade GS-30Mn5 air quenched and tempered mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
20.0 °C |
Elastic modulus of 211 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 204 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 196 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 186 GPa |
- |
| Elongation |
20.0 °C |
Elongation of 18 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Medium Carbon Steel |
| Shear modulus |
23.0 °C |
Shear modulus of 75 - 80 GPa |
Typical for Carbon Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 520 - 670 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 260 MPa |
- |
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