EN 10089 Grade 61SiCr7 quenched and tempered (+QT)
EN 10089 Grade 61SiCr7 quenched and tempered (+QT) introduction
The steel 61SiCr7 is used for formed springs, like leaf springs from 7 mm thickness for the vehicle construction as well as for leaf and diaphragm springs (also for the mechanical engineering).
Equivalent material: AS XK9261S, ISO 61SiCr7, GOST 60S2N2A, GOST 60С2Н2A, GOST 60С2, GOST 60S2G, GOST 60С2Г, ASTM A689, AISI 9262, UNS G92620, DIN 60SiCr7, DIN 1.7108, DIN 61SiCr7, AFNOR 60SiCr7, AISI 9260, SAE 9260, EN 1.7108, ASTM 9260, UNS G92600
EN 10089 Grade 61SiCr7 quenched and tempered (+QT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.83 - 7.85 g/cm³ |
EN 10089 Grade 61SiCr7 quenched and tempered (+QT) thermal
| Property |
Temperature |
Value |
| Coefficient of thermal expansion |
-100.0 °C |
Coefficient of thermal expansion of 1.05E-5 1/K |
| - |
20.0 °C |
Coefficient of thermal expansion of 1.15E-5 1/K |
| - |
100.0 °C |
Coefficient of thermal expansion of 1.21E-5 1/K |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.27E-5 1/K |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.32E-5 1/K |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.36E-5 1/K |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.4E-5 1/K |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.44E-5 1/K |
| Specific heat capacity |
-100.0 °C |
Specific heat capacity of 423 J/(kg·K) |
| - |
20.0 °C |
Specific heat capacity of 461 J/(kg·K) |
| - |
100.0 °C |
Specific heat capacity of 479 J/(kg·K) |
| - |
200.0 °C |
Specific heat capacity of 499 J/(kg·K) |
| - |
300.0 °C |
Specific heat capacity of 517 J/(kg·K) |
| - |
400.0 °C |
Specific heat capacity of 536 J/(kg·K) |
| - |
500.0 °C |
Specific heat capacity of 558 J/(kg·K) |
| - |
600.0 °C |
Specific heat capacity of 587 J/(kg·K) |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 45.1 W/(m·K) |
| - |
100.0 °C |
Thermal conductivity of 45.1 W/(m·K) |
| - |
200.0 °C |
Thermal conductivity of 44.1 W/(m·K) |
| - |
300.0 °C |
Thermal conductivity of 41.9 W/(m·K) |
| - |
400.0 °C |
Thermal conductivity of 39.4 W/(m·K) |
| - |
500.0 °C |
Thermal conductivity of 36.9 W/(m·K) |
| - |
600.0 °C |
Thermal conductivity of 34.4 W/(m·K) |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 12.5 mm²/s |
| - |
100.0 °C |
Thermal diffusivity of 11.6 mm²/s |
| - |
200.0 °C |
Thermal diffusivity of 10.6 mm²/s |
| - |
300.0 °C |
Thermal diffusivity of 9.5 mm²/s |
| - |
400.0 °C |
Thermal diffusivity of 8.4 mm²/s |
| - |
500.0 °C |
Thermal diffusivity of 7.1 mm²/s |
| - |
600.0 °C |
Thermal diffusivity of 5.8 mm²/s |
EN 10089 Grade 61SiCr7 quenched and tempered (+QT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.57 - 0.65 % |
| Chromium |
Chromium of 0.2 - 0.45 % |
| Manganese |
Manganese of 0.7 - 1 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 1.6 - 2 % |
| Sulfur |
Sulfur of 0.025 % |
EN 10089 Grade 61SiCr7 quenched and tempered (+QT) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 2.31E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 2.84E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 3.58E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 4.48E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 5.52E-7 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 6.71E-7 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 8.06E-7 Ω·m |
EN 10089 Grade 61SiCr7 quenched and tempered (+QT) mechanical
| Property |
Temperature |
Value |
| Elastic modulus |
-100.0 °C |
Elastic modulus of 217 GPa |
| - |
20.0 °C |
Elastic modulus of 210 - 212 GPa |
| - |
100.0 °C |
Elastic modulus of 206 - 207 GPa |
| - |
200.0 °C |
Elastic modulus of 199 - 200 GPa |
| - |
300.0 °C |
Elastic modulus of 192 - 193 GPa |
| - |
400.0 °C |
Elastic modulus of 184 GPa |
| - |
500.0 °C |
Elastic modulus of 175 GPa |
| - |
600.0 °C |
Elastic modulus of 164 GPa |
| Elongation |
20.0 °C |
Elongation of 5.5 % |
| Poisson's ratio |
20.0 °C |
Poisson's ratio of 0.28 [-] |
| Reduction of area |
20.0 °C |
Reduction of area of 20 % |
| Shear modulus |
20.0 °C |
Shear modulus of 80 GPa |
| Tensile strength |
20.0 °C |
Tensile strength of 1550 - 1850 MPa |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 1400 MPa |
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