DIN 17440 X6CrNiMoTi17-12-2 Steel – Solution Heat‑Treated & Quenched for Superior Corrosion Resistance
Properties: - with Ti stabilised variant of 1.4401 - due to the high Mo-content corrosion resistance increased, in particular to not-oxidizing acids and halogen containing media - due to the titanium content the steel possesses a increased resistance to intergranular corrosion - is not high polishable - application temperature: -200 to 550 °C Application: - in the chemical apparatus engineering preferably for the textile, sulfite, cellulose, fatty acid, rubber and dye industry - for the construction of pressure tanks to 300 °C certified, until 550 °C, if no disintegration of grains-causative media influence - architecture for brick-work anchorages, is used as reinforcing steels for fire-places, fronts and sanitary engineering - is certified for construction units with bearing function (extended licence notice No. Z-30.44.1 of Institut für Bautechnik Berlin, of the 1.Februar 1994) - prevailing strength grades E 225, E 355
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General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.96 - 7.98 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | -100.0 °C | 206 GPa | |
20.0 °C | 196 - 200 GPa | ||
100.0 °C | 190 - 194 GPa | ||
200.0 °C | 182 - 186 GPa | ||
300.0 °C | 174 - 179 GPa | ||
400.0 °C | 166 - 172 GPa | ||
500.0 °C | 158 - 165 GPa | ||
600.0 °C | 150 GPa | ||
700.0 °C | 142 GPa | ||
800.0 °C | 134 GPa | ||
900.0 °C | 127 GPa | ||
1000.0 °C | 120 GPa | ||
Elongation | 20.0 °C | 35 % | |
Elongation, transverse | 20.0 °C | 30 % | |
Poisson's ratio | 23.0 °C | 0.3 [-] | Typical for Austenitic Stainless Steel |
Shear modulus | 23.0 °C | 77 GPa | Typical for Austenitic Stainless Steel |
Tensile strength | 20.0 °C | 490 - 730 MPa | |
Tensile strength, transverse | 20.0 °C | 490 - 730 MPa | |
Yield strength | 20.0 °C | 190 - 210 MPa | |
Yield strength Rp0.2 | 20.0 °C | 190 - 210 MPa | |
50.0 °C | 182 - 202 MPa | ||
100.0 °C | 166 - 185 MPa | ||
150.0 °C | 152 - 177 MPa | ||
200.0 °C | 137 - 167 MPa | ||
250.0 °C | 127 - 157 MPa | ||
300.0 °C | 118 - 145 MPa | ||
350.0 °C | 113 - 140 MPa | ||
400.0 °C | 108 - 135 MPa | ||
450.0 °C | 103 - 131 MPa | ||
500.0 °C | 100 - 129 MPa | ||
550.0 °C | 98 - 127 MPa | ||
Yield strength Rp0.2, transverse | 20.0 °C | 190 - 210 MPa | |
Yield strength Rp1.0 | 20.0 °C | 225 - 245 MPa | |
50.0 °C | 217 - 234 MPa | ||
100.0 °C | 199 - 218 MPa | ||
150.0 °C | 181 - 206 MPa | ||
200.0 °C | 167 - 196 MPa | ||
250.0 °C | 157 - 186 MPa | ||
300.0 °C | 145 - 175 MPa | ||
350.0 °C | 139 - 169 MPa | ||
400.0 °C | 135 - 164 MPa | ||
450.0 °C | 130 - 160 MPa | ||
500.0 °C | 128 - 158 MPa | ||
550.0 °C | 127 - 157 MPa | ||
Yield strength Rp1.0, transverse | 20.0 °C | 225 - 245 MPa | |
Yield strength, transverse | 20.0 °C | 190 - 210 MPa | |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | -100.0 °C | 1.49E-5 1/K | |
20.0 °C | 1.61E-5 1/K | ||
100.0 °C | 1.65E-5 - 1.67E-5 1/K | ||
200.0 °C | 1.72E-5 - 1.75E-5 1/K | ||
300.0 °C | 1.77E-5 - 1.85E-5 1/K | ||
400.0 °C | 1.81E-5 - 1.85E-5 1/K | ||
500.0 °C | 1.84E-5 - 1.9E-5 1/K | ||
600.0 °C | 1.88E-5 1/K | ||
700.0 °C | 1.91E-5 1/K | ||
800.0 °C | 1.94E-5 1/K | ||
900.0 °C | 1.97E-5 1/K | ||
1000.0 °C | 2E-5 1/K | ||
Max service temperature, long | -200 - 550 °C | ||
Melting point | 1230 - 1480 °C | Typical for Austenitic Stainless Steel | |
Specific heat capacity | -100.0 °C | 440 J/(kg·K) | |
20.0 °C | 472 - 500 J/(kg·K) | ||
100.0 °C | 487 J/(kg·K) | ||
200.0 °C | 503 J/(kg·K) | ||
300.0 °C | 512 J/(kg·K) | ||
400.0 °C | 520 J/(kg·K) | ||
500.0 °C | 530 J/(kg·K) | ||
600.0 °C | 541 J/(kg·K) | ||
700.0 °C | 551 J/(kg·K) | ||
800.0 °C | 559 J/(kg·K) | ||
900.0 °C | 565 J/(kg·K) | ||
1000.0 °C | 571 J/(kg·K) | ||
Thermal conductivity | 20.0 °C | 13.3 - 15 W/(m·K) | |
100.0 °C | 14.9 W/(m·K) | ||
200.0 °C | 16.5 W/(m·K) | ||
300.0 °C | 18.1 W/(m·K) | ||
400.0 °C | 19.5 W/(m·K) | ||
500.0 °C | 21 W/(m·K) | ||
600.0 °C | 22.4 W/(m·K) | ||
700.0 °C | 23.8 W/(m·K) | ||
800.0 °C | 25.2 W/(m·K) | ||
Thermal diffusivity | 20.0 °C | 3.5 mm²/s | |
100.0 °C | 3.8 mm²/s | ||
200.0 °C | 4 mm²/s | ||
300.0 °C | 4.3 mm²/s | ||
400.0 °C | 4.5 mm²/s | ||
500.0 °C | 4.7 mm²/s | ||
600.0 °C | 4.8 mm²/s | ||
700.0 °C | 5.1 mm²/s | ||
800.0 °C | 5.4 mm²/s | ||
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 7.5E-7 - 7.91E-7 Ω·m |
100.0 °C | 8.45E-7 Ω·m | |
200.0 °C | 9.19E-7 Ω·m | |
300.0 °C | 9.77E-7 Ω·m | |
400.0 °C | 1.03E-6 Ω·m | |
500.0 °C | 1.08E-6 Ω·m | |
600.0 °C | 1.12E-6 Ω·m | |
700.0 °C | 1.15E-6 Ω·m | |
800.0 °C | 1.18E-6 Ω·m | |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.08 % |
Chromium | 16.5 - 18.5 % |
Manganese | 2 % |
Molybdenum | 2 - 2.5 % |
Nickel | 10.5 - 13.5 % |
Phosphorus | 0.05 - 0.45 % |
Silicon | 1 % |
Sulfur | 0.015 - 0.03 % |
Titanium | 0.7 - 0.8 % |
Metal
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