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EN 10250-4 X30Cr13 Quenched & Tempered Steel – Ideal for Cutting Tools & High‑Wear Parts

Make X30Cr13 is comparable to X 30 Cr 13 acc. to DIN 17440 : 1985-07. The material is applicated for the production of cutting tools (knife blades, scissors, cutting surgical instruments), bearing balls, wear resistant construction parts for control and pump components, springs, piston rods, screws. Application in tempered condition with honed or polished surface, resistant to water and steam. The corrosion resistance is insufficient in annealed or high annealed condition.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.7 - 7.71 g/cm³

Mechanical

PropertyTemperatureValueComment

Elastic modulus

20.0 °C

215 - 222 GPa

100.0 °C

212 - 216 GPa

200.0 °C

205 - 209 GPa

300.0 °C

200 - 201 GPa

400.0 °C

190 - 192 GPa

500.0 °C

183 GPa

600.0 °C

174 GPa

Elongation

20.0 °C

10 %

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

850 - 1000 MPa

Yield strength Rp0.2

20.0 °C

650 MPa

Thermal

PropertyTemperatureValueComment

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

Melting point

1370 - 1530 °C

Typical for Martensitic Stainless Steel

Specific heat capacity

20.0 °C

439 - 460 J/(kg·K)

100.0 °C

474 J/(kg·K)

200.0 °C

498 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)

Thermal conductivity

20.0 °C

24.6 - 30 W/(m·K)

100.0 °C

24.7 W/(m·K)

200.0 °C

25 W/(m·K)

300.0 °C

25.2 W/(m·K)

400.0 °C

25.5 W/(m·K)

500.0 °C

25.8 W/(m·K)

600.0 °C

26 W/(m·K)

Thermal diffusivity

20.0 °C

7.3 mm²/s

100.0 °C

6.4 mm²/s

200.0 °C

6.1 mm²/s

300.0 °C

5.8 mm²/s

400.0 °C

5.4 mm²/s

500.0 °C

4.8 mm²/s

600.0 °C

4.1 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

5.87E-7 Ω·m

100.0 °C

6.55E-7 Ω·m

200.0 °C

7.38E-7 Ω·m

300.0 °C

8.19E-7 Ω·m

400.0 °C

8.96E-7 Ω·m

500.0 °C

9.7E-7 Ω·m

600.0 °C

1.04E-6 Ω·m

Chemical properties

PropertyValue

Carbon

0.26 - 0.35 %

Chromium

12 - 14 %

Manganese

1.5 %

Phosphorus

0.04 %

Silicon

1 %

Sulfur

0.03 %


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