EN 10095 Grade X18CrN28 soft annealed (+A)
EN 10095 Grade X18CrN28 soft annealed (+A) introduction
Ferritic chrome steel of high resistance to sulfureous gases. Heat-resistance in air up to 1100°C (highest application temp.). Application for recuperators in corrosive flue gas of carbon and heavy oil. Very high resistance to oil ash corrosion as well as to fused lead and tin.
Equivalent material: GB 16Cr25N, GB S12550, ISO X15CrN26, JIS SUH446, ASTM A176Type446, AISI 446, UNS S44600, DIN 1.4749, AFNOR Z12C25, AISI 446-1, SAE 446-1, EN 1.4749, ASTM MT446-1, ASTM MT446-2
EN 10095 Grade X18CrN28 soft annealed (+A) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.7 g/cm³ |
EN 10095 Grade X18CrN28 soft annealed (+A) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
200.0 °C |
Coefficient of thermal expansion of 1E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.1E-5 1/K |
- |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.15E-5 1/K |
- |
| - |
800.0 °C |
Coefficient of thermal expansion of 1.2E-5 1/K |
- |
| - |
1000.0 °C |
Coefficient of thermal expansion of 1.3E-5 1/K |
- |
| Max service temperature, long |
- |
Max service temperature, long of 0 - 1000 °C |
- |
| Melting point |
- |
Melting point of 1425 - 1530 °C |
Typical for Ferritic Stainless Steel |
| Specific heat capacity |
20.0 °C |
Specific heat capacity of 500 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 17 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 23 W/(m·K) |
- |
EN 10095 Grade X18CrN28 soft annealed (+A) chemical
| Property |
Value |
| Carbon |
Carbon of 0.15 - 0.2 % |
| Chromium |
Chromium of 26 - 29 % |
| Manganese |
Manganese of 1 % |
| Nitrogen |
Nitrogen of 0.15 - 0.25 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 1 % |
| Sulfur |
Sulfur of 0.015 % |
EN 10095 Grade X18CrN28 soft annealed (+A) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 7E-7 Ω·m |
EN 10095 Grade X18CrN28 soft annealed (+A) mechanical
| Property |
Temperature |
Value |
| Elastic modulus |
20.0 °C |
Elastic modulus of 209.6 GPa |
| - |
95.0 °C |
Elastic modulus of 205.46 GPa |
| - |
150.0 °C |
Elastic modulus of 202.71 GPa |
| - |
205.0 °C |
Elastic modulus of 198.57 GPa |
| - |
260.0 °C |
Elastic modulus of 195.12 GPa |
| - |
315.0 °C |
Elastic modulus of 190.99 GPa |
| - |
370.0 °C |
Elastic modulus of 185.47 GPa |
| - |
425.0 °C |
Elastic modulus of 179.26 GPa |
| Elongation |
20.0 °C |
Elongation of 15 % |
| Elongation A80 |
20.0 °C |
Elongation A80 of 13 % |
| Hardness, Brinell |
20.0 °C |
Hardness, Brinell of 212 [-] |
| Poisson's ratio |
20.0 °C |
Poisson's ratio of 0.28 [-] |
| - |
95.0 °C |
Poisson's ratio of 0.27 [-] |
| - |
150.0 °C |
Poisson's ratio of 0.29 [-] |
| - |
205.0 °C |
Poisson's ratio of 0.29 [-] |
| - |
260.0 °C |
Poisson's ratio of 0.3 [-] |
| - |
315.0 °C |
Poisson's ratio of 0.29 [-] |
| - |
370.0 °C |
Poisson's ratio of 0.29 [-] |
| - |
425.0 °C |
Poisson's ratio of 0.3 [-] |
| Shear modulus |
20.0 °C |
Shear modulus of 82.05 GPa |
| - |
95.0 °C |
Shear modulus of 80.67 GPa |
| - |
150.0 °C |
Shear modulus of 78.6 GPa |
| - |
205.0 °C |
Shear modulus of 77.22 GPa |
| - |
260.0 °C |
Shear modulus of 75.15 GPa |
| - |
315.0 °C |
Shear modulus of 73.77 GPa |
| - |
370.0 °C |
Shear modulus of 71.71 GPa |
| - |
425.0 °C |
Shear modulus of 68.95 GPa |
| Tensile strength |
20.0 °C |
Tensile strength of 500 - 700 MPa |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 280 MPa |
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