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EN 10250‑4 Grade X12Cr13 – Quenched & Tempered Stainless Steel for Industrial Applications

The make X12Cr13 is comparable to X 10 Cr 13 acc. to DIN 17440 : 1985-07. The material is applicated for construction parts in water and steam and mild acting media of food industry, predominantly in tempered condition (fitting parts, valve spindles, shafts, pump components, bolts, screws) with honed or polished surface.

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.7 - 7.73 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

215 - 217.99 GPa

100.0 °C

212 - 215 GPa

200.0 °C

188 - 205.94 GPa

300.0 °C

164 - 200 GPa

400.0 °C

188.79 - 190 GPa

Elongation

20.0 °C

15 %

Poisson's ratio

20.0 °C

0.29 [-]

100.0 °C

0.29 [-]

200.0 °C

0.29 [-]

300.0 °C

0.31 [-]

400.0 °C

0.31 [-]

Shear modulus

20.0 °C

84.82 GPa

100.0 °C

82.5 GPa

200.0 °C

79.57 GPa

300.0 °C

75.86 GPa

400.0 °C

72 GPa

Tensile strength

20.0 °C

650 - 850 MPa

Yield strength Rp0.2

20.0 °C

450 MPa

100.0 °C

420 MPa

150.0 °C

410 MPa

200.0 °C

400 MPa

250.0 °C

385 MPa

300.0 °C

365 MPa

350.0 °C

335 MPa

400.0 °C

305 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

25.9 - 30 W/(m·K)

100.0 °C

25.3 W/(m·K)

200.0 °C

25.2 W/(m·K)

300.0 °C

25.2 W/(m·K)

400.0 °C

25.4 W/(m·K)

500.0 °C

25.7 W/(m·K)

600.0 °C

25.9 W/(m·K)

Thermal diffusivity

20.0 °C

7.6 mm²/s

100.0 °C

6.6 mm²/s

200.0 °C

6.1 mm²/s

300.0 °C

5.8 mm²/s

400.0 °C

5.3 mm²/s

500.0 °C

4.8 mm²/s

600.0 °C

4.1 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

5.59E-7 Ω·m

100.0 °C

6.4E-7 Ω·m

200.0 °C

7.32E-7 Ω·m

300.0 °C

8.17E-7 Ω·m

400.0 °C

8.97E-7 Ω·m

500.0 °C

9.74E-7 Ω·m

600.0 °C

1.05E-6 Ω·m

Chemical properties

PropertyValue

Carbon

0.08 - 0.15 %

Chromium

11.5 - 13.5 %

Manganese

1.5 %

Nickel

0.75 %

Phosphorus

0.04 %

Silicon

1 %

Sulfur

0.03 %


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