SEW 400 Grade X35CrMo17 Quenched & Tempered Steel: High Performance & Corrosion Resistance
Properties: - Cr-steel for quenching and tempering - elevated corrosion resistance - widely resistant in most organic and inorganic acids - relatively resistant in seawater - improved resistance to crevice corrosion - elevated heat resistance up to 600 °C - high polishable - use differnent quenched and tempered grad in case of sliding contact - application temperature: -40 to 550 °C - excellent runnability and wear resistance Application: - for pump axis, sindle, fittings, beater bar
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.56 - 7.7 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 20.0 °C | 218 - 223 GPa | |
100.0 °C | 213 - 216 GPa | ||
200.0 °C | 206 - 209 GPa | ||
300.0 °C | 198 - 200 GPa | ||
400.0 °C | 190 - 192 GPa | ||
500.0 °C | 180 - 183 GPa | ||
600.0 °C | 167 GPa | ||
700.0 °C | 150 GPa | ||
Elongation | 20.0 °C | 10 - 12 % | |
Hardness, Brinell | 20.0 °C | 235 - 285 [-] | |
Poisson's ratio | 23.0 °C | 0.3 [-] | Typical for Martensitic Stainless Steel |
Shear modulus | 23.0 °C | 77 GPa | Typical for Martensitic Stainless Steel |
Tensile strength | 20.0 °C | 750 - 950 MPa | |
Yield strength Rp0.2 | 20.0 °C | 550 MPa | |
50.0 °C | 550 MPa | ||
100.0 °C | 550 MPa | ||
150.0 °C | 540 MPa | ||
200.0 °C | 530 MPa | ||
250.0 °C | 520 MPa | ||
300.0 °C | 510 MPa | ||
350.0 °C | 490 MPa | ||
400.0 °C | 470 MPa | ||
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 20.0 °C | 9.9E-6 1/K | |
100.0 °C | 1.03E-5 - 1.04E-5 1/K | ||
200.0 °C | 1.08E-5 1/K | ||
300.0 °C | 1.12E-5 1/K | ||
400.0 °C | 1.16E-5 1/K | ||
500.0 °C | 1.19E-5 1/K | ||
600.0 °C | 1.21E-5 1/K | ||
700.0 °C | 1.24E-5 1/K | ||
800.0 °C | 1.29E-5 1/K | ||
Max service temperature, long | -40 - 550 °C | ||
Melting point | 1370 - 1530 °C | Typical for Martensitic Stainless Steel | |
Specific heat capacity | 20.0 °C | 430 - 450 J/(kg·K) | |
100.0 °C | 482 J/(kg·K) | ||
200.0 °C | 506 J/(kg·K) | ||
300.0 °C | 525 J/(kg·K) | ||
400.0 °C | 547 J/(kg·K) | ||
500.0 °C | 576 J/(kg·K) | ||
600.0 °C | 616 J/(kg·K) | ||
Thermal conductivity | 20.0 °C | 15 - 16 W/(m·K) | |
100.0 °C | 17.2 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 | 23.3 W/(m·K) | ||
700.0 °C | 24.1 W/(m·K) | ||
800.0 °C | 25.5 W/(m·K) | ||
900.0 °C | 26.9 W/(m·K) | ||
1000.0 °C | 28.3 W/(m·K) | ||
Thermal diffusivity | 20.0 °C | 4.7 mm²/s | |
100.0 °C | 4.5 mm²/s | ||
200.0 °C | 4.5 mm²/s | ||
300.0 °C | 4.6 mm²/s | ||
400.0 °C | 4.4 mm²/s | ||
500.0 °C | 4.1 mm²/s | ||
600.0 °C | 3.6 mm²/s | ||
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 8E-7 - 9.06E-7 Ω·m |
100.0 °C | 9.42E-7 Ω·m | |
200.0 °C | 9.87E-7 Ω·m | |
300.0 °C | 1.03E-6 Ω·m | |
400.0 °C | 1.08E-6 Ω·m | |
500.0 °C | 1.12E-6 Ω·m | |
600.0 °C | 1.18E-6 Ω·m | |
700.0 °C | 1.22E-6 Ω·m | |
800.0 °C | 1.24E-6 Ω·m | |
900.0 °C | 1.26E-6 Ω·m | |
1000.0 °C | 1.27E-6 Ω·m | |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.33 - 0.45 % |
Chromium | 15.5 - 17.5 % |
Manganese | 1 % |
Molybdenum | 0.8 - 1.3 % |
Nickel | 1 % |
Phosphorus | 0.05 % |
Silicon | 1 % |
Sulfur | 0.03 % |
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