DIN 17240 Grade Ck 35 quenched and tempered (+QT)
DIN 17240 Grade Ck 35 quenched and tempered (+QT) introduction
Creep resisting steel for bolts and nuts.
Application temperature up to 400 °C for nuts.
Equivalent material: DIN Ck35, IS 35C8, DIN 1.0530, DIN D30-2, DIN D 30-2, DIN C32D, DIN C 35, AFNOR C32D, BS C32D, AISI 1030, SAE 1030, JIS SWRH 32, EN C32D, EN 1.0530, ISO C32D, GB/T C32D, GB/T U53322, UNS G10300, UNS K02701
DIN 17240 Grade Ck 35 quenched and tempered (+QT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.85 g/cm³ |
DIN 17240 Grade Ck 35 quenched and tempered (+QT) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
100.0 °C |
Coefficient of thermal expansion of 1.11E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.21E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.29E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.35E-5 1/K |
- |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.39E-5 1/K |
- |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.41E-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 - 350 °C |
- |
| Melting point |
- |
Melting point of 1380 - 1514 °C |
Typical for Medium Carbon Steel |
| Specific heat capacity |
20.0 °C |
Specific heat capacity of 460 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 42 W/(m·K) |
- |
DIN 17240 Grade Ck 35 quenched and tempered (+QT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.32 - 0.39 % |
| Manganese |
Manganese of 0.5 - 0.8 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 0.15 - 0.35 % |
| Sulfur |
Sulfur of 0.035 % |
DIN 17240 Grade Ck 35 quenched and tempered (+QT) 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 17240 Grade Ck 35 quenched and tempered (+QT) 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 |
- |
| - |
400.0 °C |
Elastic modulus of 177 GPa |
- |
| - |
450.0 °C |
Elastic modulus of 172 GPa |
- |
| - |
500.0 °C |
Elastic modulus of 164 GPa |
- |
| - |
550.0 °C |
Elastic modulus of 152 GPa |
- |
| - |
600.0 °C |
Elastic modulus of 127 GPa |
- |
| Elongation |
20.0 °C |
Elongation of 22 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Medium Carbon Steel |
| Reduction of area |
20.0 °C |
Reduction of area of 45 % |
- |
| Shear modulus |
23.0 °C |
Shear modulus of 75 - 80 GPa |
Typical for Carbon Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 500 - 650 MPa |
- |
| - |
300.0 °C |
Tensile strength of 400 MPa |
- |
| - |
350.0 °C |
Tensile strength of 390 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 280 MPa |
- |
| - |
200.0 °C |
Yield strength Rp0.2 of 220 MPa |
- |
| - |
250.0 °C |
Yield strength Rp0.2 of 203 MPa |
- |
| - |
300.0 °C |
Yield strength Rp0.2 of 186 MPa |
- |
| - |
350.0 °C |
Yield strength Rp0.2 of 167 MPa |
- |
| - |
400.0 °C |
Yield strength Rp0.2 of 147 MPa |
- |
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