DIN 17440 X6CrAl13 Soft Annealed Steel (+A): High-Performance for Petroleum & Hydroelectric Applications
Properties: - Al-additives reduces hardening next to the welding seam and thus the tendency for cracking - application temperature: up to 600 °C Application: - for construction of parts in petroleum industry (crack systems) - for welded parts in hydroelectric power plant construction
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.58 - 7.7 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 20.0 °C | 216 - 220 GPa | |
100.0 °C | 213 - 215 GPa | ||
200.0 °C | 206 - 210 GPa | ||
300.0 °C | 198 - 205 GPa | ||
400.0 °C | 190 - 195 GPa | ||
500.0 °C | 180 GPa | ||
600.0 °C | 167 GPa | ||
700.0 °C | 150 GPa | ||
Elongation | 20.0 °C | 20 % | |
Elongation, transverse | 20.0 °C | 15 % | |
Hardness, Brinell | 20.0 °C | 185 [-] | |
Hardness, Brinell, trans | 20.0 °C | 185 [-] | |
Hardness, Vickers | 20.0 °C | 185 [-] | |
Poisson's ratio | 23.0 °C | 0.3 [-] | Typical for Ferritic Stainless Steel |
Shear modulus | 23.0 °C | 77 GPa | Typical for Ferritic Stainless Steel |
Tensile strength | 20.0 °C | 400 - 600 MPa | |
Tensile strength, transverse | 20.0 °C | 400 - 600 MPa | |
Yield strength | 20.0 °C | 250 MPa | |
Yield strength Rp0.2 | 20.0 °C | 240 - 250 MPa | |
50.0 °C | 235 - 240 MPa | ||
100.0 °C | 230 - 235 MPa | ||
150.0 °C | 225 - 230 MPa | ||
200.0 °C | 225 MPa | ||
250.0 °C | 220 - 225 MPa | ||
300.0 °C | 210 - 220 MPa | ||
350.0 °C | 195 - 210 MPa | ||
400.0 °C | 195 MPa | ||
Yield strength Rp0.2, transverse | 20.0 °C | 250 MPa | |
Yield strength, transverse | 20.0 °C | 250 MPa | |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 20.0 °C | 1.02E-5 1/K | |
100.0 °C | 1.05E-5 1/K | ||
200.0 °C | 1.09E-5 - 1.1E-5 1/K | ||
300.0 °C | 1.13E-5 - 1.15E-5 1/K | ||
400.0 °C | 1.16E-5 - 1.2E-5 1/K | ||
500.0 °C | 1.2E-5 1/K | ||
600.0 °C | 1.22E-5 1/K | ||
700.0 °C | 1.24E-5 1/K | ||
Max service temperature, long | 0 - 600 °C | ||
Melting point | 1425 - 1530 °C | Typical for Ferritic Stainless Steel | |
Specific heat capacity | 20.0 °C | 439 - 460 J/(kg·K) | |
100.0 °C | 474 J/(kg·K) | ||
200.0 °C | 492 J/(kg·K) | ||
300.0 °C | 517 J/(kg·K) | ||
400.0 °C | 538 J/(kg·K) | ||
500.0 °C | 564 J/(kg·K) | ||
600.0 °C | 598 J/(kg·K) | ||
700.0 °C | 647 J/(kg·K) | ||
Thermal conductivity | 20.0 °C | 15.7 - 30 W/(m·K) | |
100.0 °C | 17.1 W/(m·K) | ||
200.0 °C | 18.6 W/(m·K) | ||
300.0 °C | 20 W/(m·K) | ||
400.0 °C | 21.2 W/(m·K) | ||
500.0 °C | 22.3 W/(m·K) | ||
600.0 °C | 23.1 W/(m·K) | ||
700.0 °C | 23.8 W/(m·K) | ||
Thermal diffusivity | 20.0 °C | 4.7 mm²/s | |
100.0 °C | 4.5 mm²/s | ||
200.0 °C | 4.6 mm²/s | ||
300.0 °C | 4.7 mm²/s | ||
400.0 °C | 4.5 mm²/s | ||
500.0 °C | 4.3 mm²/s | ||
600.0 °C | 3.7 mm²/s | ||
700.0 °C | 3 mm²/s | ||
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 6E-7 - 9.19E-7 Ω·m |
100.0 °C | 9.48E-7 Ω·m | |
200.0 °C | 9.87E-7 Ω·m | |
300.0 °C | 1.03E-6 Ω·m | |
400.0 °C | 1.07E-6 Ω·m | |
500.0 °C | 1.12E-6 Ω·m | |
600.0 °C | 1.18E-6 Ω·m | |
700.0 °C | 1.24E-6 Ω·m | |
Chemical properties
| Property | Value |
|---|---|
Aluminium | 0.1 - 0.3 % |
Carbon | 0.08 % |
Chromium | 12 - 14 % |
Manganese | 1 % |
Phosphorus | 0.04 - 0.05 % |
Silicon | 1 % |
Sulfur | 0.015 - 0.03 % |
Metal
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