EN 10028-7 Grade X5NiCrAlTi31-20 solution annealed (+AT)
EN 10028-7 Grade X5NiCrAlTi31-20 solution annealed (+AT) introduction
The austenitic steel X5NiCrAlTi31-20+RA (recrystallisation annealed) is a heat resistant material. The material is resistant to intercrystalline corrosion, not in the sensitized condition.
Application: in pressure vessel and steam-boiler construction as well as in chemical and petrochemical industry
Equivalent material: ASTM A240Type800H, ASME SB-409UNSN08810, UNS N08810, ISO X5NiCrAlTi31-20(+RA), AFNOR Z8NC32-21, BS NA15(H), DIN X5NiCrAlTi31-20, DIN 1.4958, JIS NCF800H, JIS NCF718, EN 1.4958, DIN 1.4876, DIN X10NiCrAlTi32-20, DIN X10NiCrAlTi32-21, AFNOR Z10NC32-21, AISI 800, AISI N08810, SAE 800, SAE N08810, JIS NCF800, JIS NCF800TF, JIS NCF800HTF, EN X10NiCrAlTi32-21, EN 1.4876
EN 10028-7 Grade X5NiCrAlTi31-20 solution annealed (+AT) general
| Property | Temperature | Value |
|---|---|---|
| Density | 20.0 °C | Density of 7.94 - 8 g/cm³ |
EN 10028-7 Grade X5NiCrAlTi31-20 solution annealed (+AT) thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Coefficient of thermal expansion | -100.0 °C | Coefficient of thermal expansion of 1.36E-5 1/K | - |
| - | 20.0 °C | Coefficient of thermal expansion of 1.46E-5 1/K | - |
| - | 100.0 °C | Coefficient of thermal expansion of 1.51E-5 - 1.54E-5 1/K | - |
| - | 200.0 °C | Coefficient of thermal expansion of 1.57E-5 - 1.6E-5 1/K | - |
| - | 300.0 °C | Coefficient of thermal expansion of 1.62E-5 - 1.65E-5 1/K | - |
| - | 400.0 °C | Coefficient of thermal expansion of 1.66E-5 - 1.68E-5 1/K | - |
| - | 500.0 °C | Coefficient of thermal expansion of 1.7E-5 - 1.72E-5 1/K | - |
| - | 600.0 °C | Coefficient of thermal expansion of 1.74E-5 - 1.75E-5 1/K | - |
| - | 700.0 °C | Coefficient of thermal expansion of 1.77E-5 - 1.79E-5 1/K | - |
| - | 800.0 °C | Coefficient of thermal expansion of 1.8E-5 - 1.83E-5 1/K | - |
| - | 900.0 °C | Coefficient of thermal expansion of 1.83E-5 - 1.86E-5 1/K | - |
| - | 1000.0 °C | Coefficient of thermal expansion of 1.86E-5 - 1.9E-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 460 - 472 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 11.5 - 12 W/(m·K) | - |
| - | 100.0 °C | Thermal conductivity of 13.1 W/(m·K) | - |
| - | 200.0 °C | Thermal conductivity of 14.8 W/(m·K) | - |
| - | 300.0 °C | Thermal conductivity of 16.4 W/(m·K) | - |
| - | 400.0 °C | Thermal conductivity of 18.1 W/(m·K) | - |
| - | 500.0 °C | Thermal conductivity of 19.6 W/(m·K) | - |
| - | 600.0 °C | Thermal conductivity of 21.2 W/(m·K) | - |
| - | 700.0 °C | Thermal conductivity of 22.8 W/(m·K) | - |
| - | 800.0 °C | Thermal conductivity of 24.3 W/(m·K) | - |
| - | 900.0 °C | Thermal conductivity of 25.7 W/(m·K) | - |
| - | 1000.0 °C | Thermal conductivity of 27.3 W/(m·K) | - |
| Thermal diffusivity | 20.0 °C | Thermal diffusivity of 3.1 mm²/s | - |
| - | 100.0 °C | Thermal diffusivity of 3.3 mm²/s | - |
| - | 200.0 °C | Thermal diffusivity of 3.6 mm²/s | - |
| - | 300.0 °C | Thermal diffusivity of 3.9 mm²/s | - |
| - | 400.0 °C | Thermal diffusivity of 4.2 mm²/s | - |
| - | 500.0 °C | Thermal diffusivity of 4.4 mm²/s | - |
| - | 600.0 °C | Thermal diffusivity of 4.6 mm²/s | - |
| - | 700.0 °C | Thermal diffusivity of 4.9 mm²/s | - |
| - | 800.0 °C | Thermal diffusivity of 5.2 mm²/s | - |
| - | 900.0 °C | Thermal diffusivity of 5.5 mm²/s | - |
| - | 1000.0 °C | Thermal diffusivity of 5.7 mm²/s | - |
EN 10028-7 Grade X5NiCrAlTi31-20 solution annealed (+AT) chemical
| Property | Value |
|---|---|
| Aluminium | Aluminium of 0.2 - 0.5 % |
| Carbon | Carbon of 0.03 - 0.08 % |
| Chromium | Chromium of 19 - 22 % |
| Cobalt | Cobalt of 0.5 % |
| Copper | Copper of 0.5 % |
| Manganese | Manganese of 1.5 % |
| Nickel | Nickel of 30 - 32.5 % |
| Niobium | Niobium of 0.1 % |
| Nitrogen | Nitrogen of 0.03 % |
| Phosphorus | Phosphorus of 0.02 % |
| Silicon | Silicon of 0.7 % |
| Sulfur | Sulfur of 0.01 % |
| Titanium | Titanium of 0.2 - 0.5 % |
EN 10028-7 Grade X5NiCrAlTi31-20 solution annealed (+AT) electrical
| Property | Temperature | Value |
|---|---|---|
| Electrical resistivity | 20.0 °C | Electrical resistivity of 9.9E-7 - 1.01E-6 Ω·m |
| - | 100.0 °C | Electrical resistivity of 1.04E-6 Ω·m |
| - | 200.0 °C | Electrical resistivity of 1.08E-6 Ω·m |
| - | 300.0 °C | Electrical resistivity of 1.12E-6 Ω·m |
| - | 400.0 °C | Electrical resistivity of 1.15E-6 Ω·m |
| - | 500.0 °C | Electrical resistivity of 1.18E-6 Ω·m |
| - | 600.0 °C | Electrical resistivity of 1.2E-6 Ω·m |
| - | 700.0 °C | Electrical resistivity of 1.22E-6 Ω·m |
| - | 800.0 °C | Electrical resistivity of 1.24E-6 Ω·m |
| - | 900.0 °C | Electrical resistivity of 1.26E-6 Ω·m |
| - | 1000.0 °C | Electrical resistivity of 1.27E-6 Ω·m |
EN 10028-7 Grade X5NiCrAlTi31-20 solution annealed (+AT) mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
| Elastic modulus | -100.0 °C | Elastic modulus of 201 GPa | - |
| - | 20.0 °C | Elastic modulus of 194 - 200 GPa | - |
| - | 100.0 °C | Elastic modulus of 189 - 190 GPa | - |
| - | 200.0 °C | Elastic modulus of 183 - 185 GPa | - |
| - | 300.0 °C | Elastic modulus of 175 - 177 GPa | - |
| - | 400.0 °C | Elastic modulus of 170 GPa | - |
| - | 500.0 °C | Elastic modulus of 160 - 163 GPa | - |
| - | 600.0 °C | Elastic modulus of 155 - 156 GPa | - |
| - | 700.0 °C | Elastic modulus of 145 - 149 GPa | - |
| - | 800.0 °C | Elastic modulus of 140 - 141 GPa | - |
| - | 900.0 °C | Elastic modulus of 134 - 135 GPa | - |
| - | 1000.0 °C | Elastic modulus of 125 - 127 GPa | - |
| Elongation A80, transverse | 20.0 °C | Elongation A80, transverse of 30 % | - |
| Elongation, transverse | 20.0 °C | Elongation, transverse of 30 % | - |
| 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 - 750 MPa | - |
| - | 50.0 °C | Tensile strength of 487 MPa | - |
| - | 100.0 °C | Tensile strength of 465 MPa | - |
| - | 150.0 °C | Tensile strength of 445 MPa | - |
| - | 200.0 °C | Tensile strength of 435 MPa | - |
| - | 250.0 °C | Tensile strength of 425 MPa | - |
| - | 300.0 °C | Tensile strength of 420 MPa | - |
| - | 350.0 °C | Tensile strength of 418 MPa | - |
| - | 400.0 °C | Tensile strength of 415 MPa | - |
| - | 450.0 °C | Tensile strength of 415 MPa | - |
| - | 500.0 °C | Tensile strength of 415 MPa | - |
| Tensile strength, transverse | 20.0 °C | Tensile strength, transverse of 500 - 750 MPa | - |
| Yield strength Rp0.2 | 50.0 °C | Yield strength Rp0.2 of 159 MPa | - |
| - | 100.0 °C | Yield strength Rp0.2 of 140 MPa | - |
| - | 150.0 °C | Yield strength Rp0.2 of 127 MPa | - |
| - | 200.0 °C | Yield strength Rp0.2 of 115 MPa | - |
| - | 250.0 °C | Yield strength Rp0.2 of 105 MPa | - |
| - | 300.0 °C | Yield strength Rp0.2 of 95 MPa | - |
| - | 350.0 °C | Yield strength Rp0.2 of 90 MPa | - |
| - | 400.0 °C | Yield strength Rp0.2 of 85 MPa | - |
| - | 450.0 °C | Yield strength Rp0.2 of 82 MPa | - |
| - | 500.0 °C | Yield strength Rp0.2 of 80 MPa | - |
| - | 550.0 °C | Yield strength Rp0.2 of 75 MPa | - |
| - | 600.0 °C | Yield strength Rp0.2 of 75 MPa | - |
| Yield strength Rp0.2, transverse | 20.0 °C | Yield strength Rp0.2, transverse of 170 - 210 MPa | - |
| Yield strength Rp1.0 | 50.0 °C | Yield strength Rp1.0 of 185 MPa | - |
| - | 100.0 °C | Yield strength Rp1.0 of 160 MPa | - |
| - | 150.0 °C | Yield strength Rp1.0 of 147 MPa | - |
| - | 200.0 °C | Yield strength Rp1.0 of 135 MPa | - |
| - | 250.0 °C | Yield strength Rp1.0 of 125 MPa | - |
| - | 300.0 °C | Yield strength Rp1.0 of 115 MPa | - |
| - | 350.0 °C | Yield strength Rp1.0 of 110 MPa | - |
| - | 400.0 °C | Yield strength Rp1.0 of 105 MPa | - |
| - | 450.0 °C | Yield strength Rp1.0 of 102 MPa | - |
| - | 500.0 °C | Yield strength Rp1.0 of 100 MPa | - |
| - | 550.0 °C | Yield strength Rp1.0 of 95 MPa | - |
| - | 600.0 °C | Yield strength Rp1.0 of 95 MPa | - |
| Yield strength Rp1.0, transverse | 20.0 °C | Yield strength Rp1.0, transverse of 200 - 240 MPa | - |
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