SEW 400 Grade X90CrMoV18 soft annealed (+A)

SEW 400 Grade X90CrMoV18 soft annealed (+A) introduction

Properties:
- hardenable corrosion resistant steel
- high wear resistance and excellent cutting hardness
- corrosion resistance is similar to 13%-Cr-steels, because of its high carbon content
- application temperature: up to 200 °C
Application:
- for cutting tools, like knifes, surgical instruments, breaker plate, rolling and spherical bearing, valve pins, nozzles

Equivalent material: EN X90CrMoV18, DIN 1.4112, AFNOR X89CrMoV18-1, AISI 440B, SAE 440B, JIS SUS440B, EN 1.4112, ISO R, ASTM 440B, UNS S44003

SEW 400 Grade X90CrMoV18 soft annealed (+A) general

Property Temperature Value
Density 20.0 °C Density of 7.56 - 7.7 g/cm³

SEW 400 Grade X90CrMoV18 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 1.03E-5 - 1.04E-5 1/K -
- 200.0 °C Coefficient of thermal expansion of 1.08E-5 1/K -
- 300.0 °C Coefficient of thermal expansion of 1.12E-5 1/K -
- 400.0 °C Coefficient of thermal expansion of 1.16E-5 1/K -
- 500.0 °C Coefficient of thermal expansion of 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 1370 - 1530 °C Typical for Martensitic Stainless Steel
Specific heat capacity 20.0 °C Specific heat capacity of 430 - 450 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 15 - 16 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 -

SEW 400 Grade X90CrMoV18 soft annealed (+A) chemical

Property Value
Carbon Carbon of 0.85 - 0.95 %
Chromium Chromium of 17 - 19 %
Manganese Manganese of 1 %
Molybdenum Molybdenum of 0.9 - 1.3 %
Phosphorus Phosphorus of 0.05 %
Silicon Silicon of 1 %
Sulfur Sulfur of 0.03 %
Vanadium Vanadium of 0.07 - 0.12 %

SEW 400 Grade X90CrMoV18 soft annealed (+A) electrical

Property Temperature Value
Electrical resistivity 20.0 °C Electrical resistivity of 8E-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

SEW 400 Grade X90CrMoV18 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 - 216 GPa -
- 200.0 °C Elastic modulus of 206 - 209 GPa -
- 300.0 °C Elastic modulus of 198 - 200 GPa -
- 400.0 °C Elastic modulus of 190 - 192 GPa -
- 500.0 °C Elastic modulus of 180 - 183 GPa -
- 600.0 °C Elastic modulus of 167 GPa -
- 700.0 °C Elastic modulus of 150 GPa -
Hardness, Brinell 20.0 °C Hardness, Brinell of 265 [-] -
Poisson's ratio 23.0 °C Poisson's ratio of 0.3 [-] Typical for Martensitic Stainless Steel
Shear modulus 23.0 °C Shear modulus of 77 GPa Typical for Martensitic Stainless Steel

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