SEW 470 Grade X8CrNiTi18-10 solution annealed (+AT)
SEW 470 Grade X8CrNiTi18-10 solution annealed (+AT) introduction
Application for parts of high mechanical load, such as annealing bells, annealing cages, cementation and hardening boxes.
Heat-resistanc: up to 850 °C
(highest application temp. in air)
Equivalent material: DIN X12CrNiTi18-9, ISO X7CrNiTi18-10, GOST 08Ch18N10T, GOST 08Х18Н10T, GOST 12Ch18N10T, GOST 12Х18Н10T, GOST X7CrNiTi18-10, ASTM A240Type321H, ASTM A480Type321H, AISI 321H, UNS S32109, DIN 1.4878, DIN X8CrNiTi18-10, AFNOR X8CrNiTi18-10, JIS SUS321, JIS SUS321HTB, JIS SUS321HTP, JIS SUS321HTF, JIS SUS321TKA, EN 1.4878, GOST 08X18H10T, GOST 12X18H10T, ASTM Type 321
SEW 470 Grade X8CrNiTi18-10 solution annealed (+AT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.9 - 7.92 g/cm³ |
SEW 470 Grade X8CrNiTi18-10 solution annealed (+AT) 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 1.67E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.7E-5 - 1.72E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.77E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.8E-5 - 1.81E-5 1/K |
- |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.84E-5 1/K |
- |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.85E-5 - 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 1.9E-5 - 1.94E-5 1/K |
- |
| Max service temperature, long |
- |
Max service temperature, long of 0 - 850 °C |
- |
| 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) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 13.9 - 15 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 15.4 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 17.2 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 18.7 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 20.2 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 21.6 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 23 W/(m·K) |
- |
| - |
700.0 °C |
Thermal conductivity of 24.4 W/(m·K) |
- |
| - |
800.0 °C |
Thermal conductivity of 25.8 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 3.7 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 3.9 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 4.2 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 4.5 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 4.7 mm²/s |
- |
| - |
500.0 °C |
Thermal diffusivity of 4.8 mm²/s |
- |
| - |
600.0 °C |
Thermal diffusivity of 5 mm²/s |
- |
| - |
700.0 °C |
Thermal diffusivity of 5.3 mm²/s |
- |
| - |
800.0 °C |
Thermal diffusivity of 5.6 mm²/s |
- |
SEW 470 Grade X8CrNiTi18-10 solution annealed (+AT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.1 % |
| Chromium |
Chromium of 17 - 19 % |
| Manganese |
Manganese of 2 % |
| Nickel |
Nickel of 9 - 12 % |
| Phosphorus |
Phosphorus of 0.05 % |
| Silicon |
Silicon of 1 % |
| Sulfur |
Sulfur of 0.015 % |
| Titanium |
Titanium of 0.8 % |
SEW 470 Grade X8CrNiTi18-10 solution annealed (+AT) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 7.3E-7 - 7.35E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 8E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 8.68E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 9.33E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 9.89E-7 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 1.04E-6 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 1.08E-6 Ω·m |
| - |
700.0 °C |
Electrical resistivity of 1.12E-6 Ω·m |
| - |
800.0 °C |
Electrical resistivity of 1.15E-6 Ω·m |
SEW 470 Grade X8CrNiTi18-10 solution annealed (+AT) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
-100.0 °C |
Elastic modulus of 206 GPa |
- |
| - |
20.0 °C |
Elastic modulus of 196 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 190 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 182 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 174 GPa |
- |
| - |
400.0 °C |
Elastic modulus of 166 GPa |
- |
| - |
500.0 °C |
Elastic modulus of 158 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 |
- |
| Elongation |
20.0 °C |
Elongation of 40 % |
- |
| Elongation A80 |
20.0 °C |
Elongation A80 of 40 % |
- |
| Hardness, Brinell |
20.0 °C |
Hardness, Brinell of 215 [-] |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.3 [-] |
Typical for Austenitic Stainless Steel |
| Shear modulus |
23.0 °C |
Shear modulus of 77 GPa |
Typical for Austenitic Stainless Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 500 - 720 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 190 MPa |
- |
| Yield strength Rp1.0 |
20.0 °C |
Yield strength Rp1.0 of 230 MPa |
- |
Our customized steel solutions ensure the perfect fit for your specific project requirements.
-- Our promise
Similar or equivalent steel materials
Get a quote