EN 10028-7 Grade X2CrTiNb18 soft annealed (+A)
EN 10028-7 Grade X2CrTiNb18 soft annealed (+A) introduction
The ferritic steel X2CrTiNb18 is a structural stabilized stainless steel.
The material is acc. to DIN EN 10095 allowed to be used as a heat-resistant steel.
Application: vehicle construction, exhaust system components, whiteware, for welded parts in dairy and food industry, in breweries
Equivalent material: GB 022Cr18NbTi, GB S11873, ASTM A240UNSS43940, UNS S43940, DIN X6CrTiNb18, ISO X2CrTiNb18, ISO 4509-439-40-X, DIN 1.4509, AISI 441, SAE 441, JIS SUS430LX, EN 1.4509, ASTM S43940
EN 10028-7 Grade X2CrTiNb18 soft annealed (+A) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.7 g/cm³ |
EN 10028-7 Grade X2CrTiNb18 soft annealed (+A) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
100.0 °C |
Coefficient of thermal expansion of 1E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.05E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.05E-5 1/K |
- |
| Melting point |
- |
Melting point of 1425 - 1530 °C |
Typical for Ferritic Stainless Steel |
| Specific heat capacity |
20.0 °C |
Specific heat capacity of 460 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 25 W/(m·K) |
- |
EN 10028-7 Grade X2CrTiNb18 soft annealed (+A) chemical
| Property |
Value |
| Carbon |
Carbon of 0.03 % |
| Chromium |
Chromium of 17.5 - 18.5 % |
| Manganese |
Manganese of 1 % |
| Niobium |
Niobium of 1 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 1 % |
| Sulfur |
Sulfur of 0.015 % |
| Titanium |
Titanium of 0.1 - 0.6 % |
EN 10028-7 Grade X2CrTiNb18 soft annealed (+A) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 6E-7 Ω·m |
EN 10028-7 Grade X2CrTiNb18 soft annealed (+A) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
20.0 °C |
Elastic modulus of 220 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 215 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 210 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 205 GPa |
- |
| - |
400.0 °C |
Elastic modulus of 195 GPa |
- |
| Elongation |
20.0 °C |
Elongation of 18 % |
- |
| Elongation A80 |
20.0 °C |
Elongation A80 of 18 % |
- |
| Elongation A80, transverse |
20.0 °C |
Elongation A80, transverse of 18 % |
- |
| Elongation, transverse |
20.0 °C |
Elongation, transverse of 18 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.3 [-] |
Typical for Ferritic Stainless Steel |
| Shear modulus |
23.0 °C |
Shear modulus of 77 GPa |
Typical for Ferritic Stainless Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 430 - 630 MPa |
- |
| Tensile strength, transverse |
20.0 °C |
Tensile strength, transverse of 430 - 630 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 230 MPa |
- |
| - |
100.0 °C |
Yield strength Rp0.2 of 230 MPa |
- |
| - |
150.0 °C |
Yield strength Rp0.2 of 220 MPa |
- |
| - |
200.0 °C |
Yield strength Rp0.2 of 210 MPa |
- |
| - |
250.0 °C |
Yield strength Rp0.2 of 205 MPa |
- |
| - |
300.0 °C |
Yield strength Rp0.2 of 200 MPa |
- |
| - |
350.0 °C |
Yield strength Rp0.2 of 180 MPa |
- |
| Yield strength Rp0.2, transverse |
20.0 °C |
Yield strength Rp0.2, transverse of 250 MPa |
- |
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