DIN 17440 Grade X6CrNiMoNb17-12-2 quenched (+Q)
DIN 17440 Grade X6CrNiMoNb17-12-2 quenched (+Q) introduction
Properties:
- corrosion characteristics comparable with those of 1.4571
- increased corrosion resistance to not-oxidizing acids and halogen containing media
- not high polishable
Application:
- certified for constrcution of pressure tanks to 300 °C, until 550 °C, if no disintegration of grains-releasing media influence
- in the chemical apparatus engineering, textile, sulfite, cellulose, fatty acid, rubber and dye industry
Equivalent material: AFNOR Z6CNDNb17-12, GOST 08Ch16N13M2B, ISO 23, UNI X6CrNiMoNb17-12, ÖNORM X6CrNiMoNb17-12-2S, ASTM 316Cb, DIN 1.4580, AISI 316Cb, SAE 316Cb, EN X6CrNiMoNb17-12-2, EN 1.4580, UNS S31640
DIN 17440 Grade X6CrNiMoNb17-12-2 quenched (+Q) general
| Property | Temperature | Value |
|---|---|---|
| Density | 20.0 °C | Density of 7.96 - 7.98 g/cm³ |
DIN 17440 Grade X6CrNiMoNb17-12-2 quenched (+Q) thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Coefficient of thermal expansion | -100.0 °C | Coefficient of thermal expansion of 1.49E-5 1/K | - |
| - | 20.0 °C | Coefficient of thermal expansion of 1.61E-5 1/K | - |
| - | 100.0 °C | Coefficient of thermal expansion of 1.65E-5 - 1.67E-5 1/K | - |
| - | 200.0 °C | Coefficient of thermal expansion of 1.72E-5 - 1.75E-5 1/K | - |
| - | 300.0 °C | Coefficient of thermal expansion of 1.77E-5 - 1.8E-5 1/K | - |
| - | 400.0 °C | Coefficient of thermal expansion of 1.81E-5 - 1.85E-5 1/K | - |
| - | 500.0 °C | Coefficient of thermal expansion of 1.84E-5 - 1.9E-5 1/K | - |
| - | 600.0 °C | Coefficient of thermal expansion of 1.88E-5 1/K | - |
| - | 700.0 °C | Coefficient of thermal expansion of 1.91E-5 1/K | - |
| - | 800.0 °C | Coefficient of thermal expansion of 1.94E-5 1/K | - |
| - | 900.0 °C | Coefficient of thermal expansion of 1.97E-5 1/K | - |
| - | 1000.0 °C | Coefficient of thermal expansion of 2E-5 1/K | - |
| Melting point | - | Melting point of 1230 - 1480 °C | Typical for Austenitic Stainless Steel |
| Specific heat capacity | -100.0 °C | Specific heat capacity of 440 J/(kg·K) | - |
| - | 20.0 °C | Specific heat capacity of 472 - 500 J/(kg·K) | - |
| - | 100.0 °C | Specific heat capacity of 487 J/(kg·K) | - |
| - | 200.0 °C | Specific heat capacity of 503 J/(kg·K) | - |
| - | 300.0 °C | Specific heat capacity of 512 J/(kg·K) | - |
| - | 400.0 °C | Specific heat capacity of 520 J/(kg·K) | - |
| - | 500.0 °C | Specific heat capacity of 530 J/(kg·K) | - |
| - | 600.0 °C | Specific heat capacity of 541 J/(kg·K) | - |
| - | 700.0 °C | Specific heat capacity of 551 J/(kg·K) | - |
| - | 800.0 °C | Specific heat capacity of 559 J/(kg·K) | - |
| - | 900.0 °C | Specific heat capacity of 565 J/(kg·K) | - |
| - | 1000.0 °C | Specific heat capacity of 571 J/(kg·K) | - |
| Thermal conductivity | 20.0 °C | Thermal conductivity of 13.3 - 15 W/(m·K) | - |
| - | 100.0 °C | Thermal conductivity of 14.9 W/(m·K) | - |
| - | 200.0 °C | Thermal conductivity of 16.5 W/(m·K) | - |
| - | 300.0 °C | Thermal conductivity of 18.1 W/(m·K) | - |
| - | 400.0 °C | Thermal conductivity of 19.5 W/(m·K) | - |
| - | 500.0 °C | Thermal conductivity of 21 W/(m·K) | - |
| - | 600.0 °C | Thermal conductivity of 22.4 W/(m·K) | - |
| - | 700.0 °C | Thermal conductivity of 23.8 W/(m·K) | - |
| - | 800.0 °C | Thermal conductivity of 25.2 W/(m·K) | - |
| Thermal diffusivity | 20.0 °C | Thermal diffusivity of 3.5 mm²/s | - |
| - | 100.0 °C | Thermal diffusivity of 3.8 mm²/s | - |
| - | 200.0 °C | Thermal diffusivity of 4 mm²/s | - |
| - | 300.0 °C | Thermal diffusivity of 4.3 mm²/s | - |
| - | 400.0 °C | Thermal diffusivity of 4.5 mm²/s | - |
| - | 500.0 °C | Thermal diffusivity of 4.7 mm²/s | - |
| - | 600.0 °C | Thermal diffusivity of 4.8 mm²/s | - |
| - | 700.0 °C | Thermal diffusivity of 5.1 mm²/s | - |
| - | 800.0 °C | Thermal diffusivity of 5.4 mm²/s | - |
DIN 17440 Grade X6CrNiMoNb17-12-2 quenched (+Q) chemical
| Property | Value |
|---|---|
| Carbon | Carbon of 0.08 % |
| Chromium | Chromium of 16.5 - 18.5 % |
| Manganese | Manganese of 2 % |
| Molybdenum | Molybdenum of 2 - 2.5 % |
| Nickel | Nickel of 10.5 - 13.5 % |
| Niobium | Niobium of 1 % |
| Phosphorus | Phosphorus of 0.05 % |
| Silicon | Silicon of 1 % |
| Sulfur | Sulfur of 0.015 - 0.03 % |
DIN 17440 Grade X6CrNiMoNb17-12-2 quenched (+Q) electrical
| Property | Temperature | Value |
|---|---|---|
| Electrical resistivity | 20.0 °C | Electrical resistivity of 7.5E-7 - 7.91E-7 Ω·m |
| - | 100.0 °C | Electrical resistivity of 8.45E-7 Ω·m |
| - | 200.0 °C | Electrical resistivity of 9.19E-7 Ω·m |
| - | 300.0 °C | Electrical resistivity of 9.77E-7 Ω·m |
| - | 400.0 °C | Electrical resistivity of 1.03E-6 Ω·m |
| - | 500.0 °C | Electrical resistivity of 1.08E-6 Ω·m |
| - | 600.0 °C | Electrical resistivity of 1.12E-6 Ω·m |
| - | 700.0 °C | Electrical resistivity of 1.15E-6 Ω·m |
| - | 800.0 °C | Electrical resistivity of 1.18E-6 Ω·m |
DIN 17440 Grade X6CrNiMoNb17-12-2 quenched (+Q) mechanical
| Property | Temperature | Value |
|---|---|---|
| Elastic modulus | -100.0 °C | Elastic modulus of 206 GPa |
| - | 20.0 °C | Elastic modulus of 196 - 200 GPa |
| - | 100.0 °C | Elastic modulus of 190 - 194 GPa |
| - | 200.0 °C | Elastic modulus of 182 - 186 GPa |
| - | 300.0 °C | Elastic modulus of 174 - 179 GPa |
| - | 400.0 °C | Elastic modulus of 166 - 172 GPa |
| - | 500.0 °C | Elastic modulus of 158 - 165 GPa |
| - | 600.0 °C | Elastic modulus of 150 GPa |
| - | 700.0 °C | Elastic modulus of 142 GPa |
| - | 800.0 °C | Elastic modulus of 134 GPa |
| - | 900.0 °C | Elastic modulus of 127 GPa |
| - | 1000.0 °C | Elastic modulus of 120 GPa |
| Elongation | 20.0 °C | Elongation of 30 - 35 % |
| Elongation, transverse | 20.0 °C | Elongation, transverse of 30 % |
| Poisson's ratio | 20.0 °C | Poisson's ratio of 0.28 [-] |
| Shear modulus | 20.0 °C | Shear modulus of 77.01 GPa |
| Tensile strength | 20.0 °C | Tensile strength of 510 - 740 MPa |
| Tensile strength, transverse | 20.0 °C | Tensile strength, transverse of 510 - 740 MPa |
| Yield strength Rp0.2 | 20.0 °C | Yield strength Rp0.2 of 215 MPa |
| - | 50.0 °C | Yield strength Rp0.2 of 206 MPa |
| - | 100.0 °C | Yield strength Rp0.2 of 186 MPa |
| - | 150.0 °C | Yield strength Rp0.2 of 177 MPa |
| - | 200.0 °C | Yield strength Rp0.2 of 167 MPa |
| - | 250.0 °C | Yield strength Rp0.2 of 157 MPa |
| - | 300.0 °C | Yield strength Rp0.2 of 145 MPa |
| - | 350.0 °C | Yield strength Rp0.2 of 140 MPa |
| - | 400.0 °C | Yield strength Rp0.2 of 135 MPa |
| - | 450.0 °C | Yield strength Rp0.2 of 131 MPa |
| - | 500.0 °C | Yield strength Rp0.2 of 129 MPa |
| - | 550.0 °C | Yield strength Rp0.2 of 127 MPa |
| Yield strength Rp0.2, transverse | 20.0 °C | Yield strength Rp0.2, transverse of 215 MPa |
| Yield strength Rp1.0 | 20.0 °C | Yield strength Rp1.0 of 250 MPa |
| - | 50.0 °C | Yield strength Rp1.0 of 240 MPa |
| - | 100.0 °C | Yield strength Rp1.0 of 221 MPa |
| - | 150.0 °C | Yield strength Rp1.0 of 206 MPa |
| - | 200.0 °C | Yield strength Rp1.0 of 196 MPa |
| - | 250.0 °C | Yield strength Rp1.0 of 186 MPa |
| - | 300.0 °C | Yield strength Rp1.0 of 175 MPa |
| - | 350.0 °C | Yield strength Rp1.0 of 169 MPa |
| - | 400.0 °C | Yield strength Rp1.0 of 164 MPa |
| - | 450.0 °C | Yield strength Rp1.0 of 160 MPa |
| - | 500.0 °C | Yield strength Rp1.0 of 158 MPa |
| - | 550.0 °C | Yield strength Rp1.0 of 157 MPa |
| Yield strength Rp1.0, transverse | 20.0 °C | Yield strength Rp1.0, transverse of 250 MPa |
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