EN 10088-1 Grade X20Cr13 quenched and tempered (+QT700)
EN 10088-1 Grade X20Cr13 quenched and tempered (+QT700) introduction
Material X20Cr13 is comparable to X 20 Cr 13 acc. to DIN 17440 : 1985-07. This material is used for construction parts of higher strength with higher mechanical load, such as axles, shafts, pump components, piston rods, valve cones, nozzle needles, ships propellers, beater bars, surgical instruments. Good corrosion resistance to water and steam (turbine blades). The steel is suitable for mirror finishing.
Appliction temperature -40 to 550 °C (for the comparable DIN-material).
Equivalent material: GB 20Cr13, GB S42020, IS X20Cr13, IS 420S1, ISO X20Cr13, ISO 4021-420-00-I, JIS SUS420J1, GOST 20Ch13, KS STS420J1, UNS S42000, ASTM 420, AISI 420, DIN 5, ISO MP13I, ISO B, GOST 20Х13, ASTM A276Type420, ASTM A959UNSS42000, ASTM F899Type420A, AISI Type420, DIN 1.4021, DIN X20Cr13, DIN X30Cr13, AFNOR Z20C13, BS 420S37, BS 420S29, UNI X20Cr13, SS 2303, SAE 420, JIS SUS 420J1, JIS SUS420J1FB, JIS SUS420J1TKA, EN 1.4021, ISO 20Cr13, GB 2Cr13
EN 10088-1 Grade X20Cr13 quenched and tempered (+QT700) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.7 - 7.71 g/cm³ |
EN 10088-1 Grade X20Cr13 quenched and tempered (+QT700) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
20.0 °C |
Coefficient of thermal expansion of 1.02E-5 1/K |
- |
| - |
100.0 °C |
Coefficient of thermal expansion of 1.05E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.09E-5 - 1.1E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.13E-5 - 1.15E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.16E-5 - 1.2E-5 1/K |
- |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.2E-5 1/K |
- |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.22E-5 1/K |
- |
| Max service temperature, long |
- |
Max service temperature, long of -40 - 550 °C |
- |
| Melting point |
- |
Melting point of 1370 - 1530 °C |
Typical for Martensitic Stainless Steel |
| Specific heat capacity |
20.0 °C |
Specific heat capacity of 439 - 460 J/(kg·K) |
- |
| - |
100.0 °C |
Specific heat capacity of 474 J/(kg·K) |
- |
| - |
200.0 °C |
Specific heat capacity of 498 J/(kg·K) |
- |
| - |
300.0 °C |
Specific heat capacity of 517 J/(kg·K) |
- |
| - |
400.0 °C |
Specific heat capacity of 538 J/(kg·K) |
- |
| - |
500.0 °C |
Specific heat capacity of 564 J/(kg·K) |
- |
| - |
600.0 °C |
Specific heat capacity of 598 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 24.6 - 30 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 24.7 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 25 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 25.2 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 25.5 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 25.8 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 26 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 7.3 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 6.4 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 6.1 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 5.8 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 5.4 mm²/s |
- |
| - |
500.0 °C |
Thermal diffusivity of 4.8 mm²/s |
- |
| - |
600.0 °C |
Thermal diffusivity of 4.1 mm²/s |
- |
EN 10088-1 Grade X20Cr13 quenched and tempered (+QT700) chemical
| Property |
Value |
| Carbon |
Carbon of 0.16 - 0.25 % |
| Chromium |
Chromium of 12 - 14 % |
| Manganese |
Manganese of 1.5 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 1 % |
| Sulfur |
Sulfur of 0.015 % |
EN 10088-1 Grade X20Cr13 quenched and tempered (+QT700) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 5.87E-7 - 6E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 6.55E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 7.38E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 8.19E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 8.96E-7 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 9.7E-7 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 1.04E-6 Ω·m |
EN 10088-1 Grade X20Cr13 quenched and tempered (+QT700) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
20.0 °C |
Elastic modulus of 215 - 222 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 212 - 216 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 205 - 209 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 200 - 201 GPa |
- |
| - |
400.0 °C |
Elastic modulus of 190 - 192 GPa |
- |
| - |
500.0 °C |
Elastic modulus of 183 GPa |
- |
| - |
600.0 °C |
Elastic modulus of 174 GPa |
- |
| Elongation |
20.0 °C |
Elongation of 8 - 13 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.3 [-] |
Typical for Martensitic Stainless Steel |
| Shear modulus |
23.0 °C |
Shear modulus of 77 GPa |
Typical for Martensitic Stainless Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 700 - 1000 MPa |
- |
| Tensile strength, transverse |
20.0 °C |
Tensile strength, transverse of 700 - 1000 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 500 - 600 MPa |
- |
| - |
100.0 °C |
Yield strength Rp0.2 of 460 MPa |
- |
| - |
150.0 °C |
Yield strength Rp0.2 of 445 MPa |
- |
| - |
200.0 °C |
Yield strength Rp0.2 of 430 MPa |
- |
| - |
250.0 °C |
Yield strength Rp0.2 of 415 MPa |
- |
| - |
300.0 °C |
Yield strength Rp0.2 of 395 MPa |
- |
| - |
350.0 °C |
Yield strength Rp0.2 of 365 MPa |
- |
| - |
400.0 °C |
Yield strength Rp0.2 of 330 MPa |
- |
| Yield strength Rp0.2, transverse |
20.0 °C |
Yield strength Rp0.2, transverse of 500 - 600 MPa |
- |
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