EN 10088-1 Grade X3CrNb17 soft annealed (+A)
EN 10088-1 Grade X3CrNb17 soft annealed (+A) introduction
Material X 8 CrNb 17 (X3CrNb17), mat. number 1.4511 is acc. to VdTÜV-Wbl 422 : 2001-06 used for design certificated pocket boilers and helical tubes for boilers of the Viessmann Werke KG, Allendorf, with a max. material temperature of 200 °C. To the material acc. to DIN EN 10088-1 : 1995-08 applies: trademark X3CrNb17 is comparable to X 6 CrNb 17 nach DIN 17441 : 1985-07 (here higher C-content!). This material is a ferritic steel with the same corrosion properties as 1.4510. It shows increased stress corrosion resistance in bases and low chloride containing water. It is largely resistant in water, steam, weak acids and bases as well as in oxidizing acids. Resistance to intercrystalline corrosion both in delivery and welded condition. The steel is suitable for mirror finishing. Application for welded components in washing machines (alkaline tank) and in chemical apparatus engineering (weak acids), in dairy, food, brewery, dyeing and soap industry. In construction trade X3CrNb17 is used for decorative components to be welded in interior design, such as racks, frames, interior decoration elements. A metallic clean surface is a basic requirement for good corrosion resistance.
Equivalent material: AFNOR Z8CNb17, ISO X3CrNb17, UNI X6CrNb17, JIS SUS430LXTB, JIS SUS430LX, KS STS430LX, ASTM 430Cb, DIN X8CrNb17, ISO FP17G, ISO 4511-430-71-I, DIN X6CrNb17, DIN 1.4511, AFNOR Z4CNb17, EN X6CrNb17, EN 1.4511
EN 10088-1 Grade X3CrNb17 soft annealed (+A) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.56 - 7.7 g/cm³ |
EN 10088-1 Grade X3CrNb17 soft annealed (+A) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
20.0 °C |
Coefficient of thermal expansion of 9.9E-6 1/K |
- |
| - |
100.0 °C |
Coefficient of thermal expansion of 1E-5 - 1.03E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1E-5 - 1.08E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.05E-5 - 1.12E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.05E-5 - 1.16E-5 1/K |
- |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.1E-5 - 1.19E-5 1/K |
- |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.21E-5 1/K |
- |
| - |
700.0 °C |
Coefficient of thermal expansion of 1.24E-5 1/K |
- |
| - |
800.0 °C |
Coefficient of thermal expansion of 1.29E-5 1/K |
- |
| Max service temperature, long |
- |
Max service temperature, long of 0 - 200 °C |
- |
| Melting point |
- |
Melting point of 1425 - 1530 °C |
Typical for Ferritic Stainless Steel |
| Specific heat capacity |
20.0 °C |
Specific heat capacity of 450 - 460 J/(kg·K) |
- |
| - |
100.0 °C |
Specific heat capacity of 482 J/(kg·K) |
- |
| - |
200.0 °C |
Specific heat capacity of 506 J/(kg·K) |
- |
| - |
300.0 °C |
Specific heat capacity of 525 J/(kg·K) |
- |
| - |
400.0 °C |
Specific heat capacity of 547 J/(kg·K) |
- |
| - |
500.0 °C |
Specific heat capacity of 576 J/(kg·K) |
- |
| - |
600.0 °C |
Specific heat capacity of 616 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 16 - 25 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 17.2 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 18.6 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 20 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 21.2 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 22.3 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 23.3 W/(m·K) |
- |
| - |
700.0 °C |
Thermal conductivity of 24.1 W/(m·K) |
- |
| - |
800.0 °C |
Thermal conductivity of 25.5 W/(m·K) |
- |
| - |
900.0 °C |
Thermal conductivity of 26.9 W/(m·K) |
- |
| - |
1000.0 °C |
Thermal conductivity of 28.3 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 4.7 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 4.5 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 4.5 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 4.6 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 4.4 mm²/s |
- |
| - |
500.0 °C |
Thermal diffusivity of 4.1 mm²/s |
- |
| - |
600.0 °C |
Thermal diffusivity of 3.6 mm²/s |
- |
EN 10088-1 Grade X3CrNb17 soft annealed (+A) chemical
| Property |
Value |
| Carbon |
Carbon of 0.05 % |
| Chromium |
Chromium of 16 - 18 % |
| Manganese |
Manganese of 1 % |
| Niobium |
Niobium of 1 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 1 % |
| Sulfur |
Sulfur of 0.015 % |
EN 10088-1 Grade X3CrNb17 soft annealed (+A) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 6E-7 - 9.06E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 9.42E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 9.87E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 1.03E-6 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 1.08E-6 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 1.12E-6 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 1.18E-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 10088-1 Grade X3CrNb17 soft annealed (+A) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
20.0 °C |
Elastic modulus of 218 - 220 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 213 - 215 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 206 - 210 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 198 - 205 GPa |
- |
| - |
400.0 °C |
Elastic modulus of 190 - 195 GPa |
- |
| - |
500.0 °C |
Elastic modulus of 180 GPa |
- |
| - |
600.0 °C |
Elastic modulus of 167 GPa |
- |
| - |
700.0 °C |
Elastic modulus of 150 GPa |
- |
| Elongation |
20.0 °C |
Elongation of 8 - 23 % |
- |
| Elongation A80 |
20.0 °C |
Elongation A80 of 23 % |
- |
| Elongation A80, transverse |
20.0 °C |
Elongation A80, transverse of 23 % |
- |
| Elongation, transverse |
20.0 °C |
Elongation, transverse of 23 % |
- |
| Hardness, Brinell |
20.0 °C |
Hardness, Brinell of 200 [-] |
- |
| Hardness, Brinell, trans |
20.0 °C |
Hardness, Brinell, trans of 200 [-] |
- |
| 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 400 - 950 MPa |
- |
| Tensile strength, transverse |
20.0 °C |
Tensile strength, transverse of 420 - 620 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 200 - 320 MPa |
- |
| - |
100.0 °C |
Yield strength Rp0.2 of 190 - 230 MPa |
- |
| - |
150.0 °C |
Yield strength Rp0.2 of 180 - 220 MPa |
- |
| - |
200.0 °C |
Yield strength Rp0.2 of 170 - 205 MPa |
- |
| - |
250.0 °C |
Yield strength Rp0.2 of 160 - 190 MPa |
- |
| - |
300.0 °C |
Yield strength Rp0.2 of 155 - 180 MPa |
- |
| - |
350.0 °C |
Yield strength Rp0.2 of 165 MPa |
- |
| Yield strength Rp0.2, transverse |
20.0 °C |
Yield strength Rp0.2, transverse of 200 - 240 MPa |
- |
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