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X12Cr13 Quenched & Tempered Steel (QT650) – EN 10088‑1 Certified, High‑Temperature Resistant

Material X12Cr13 is comparable to X 10 Cr 13 acc. to DIN 17440 : 1985-07. The material is used for construction parts in water and steam and in mild media of food industry, predominantly in tempered condition (fitting parts, valve spindles, shafts, pump components, bolts, screws) with a honed or polishes surface. This material is allowed to be used as heat resistant steel acc. to DIN EN 10095 : 1999-05. Application temperature up to 550 °C (for the comparable DIN-material).

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

9 - 15 %

Elongation A80

20.0 °C

12 %

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 - 1000 MPa

Yield strength Rp0.2

20.0 °C

450 - 550 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 - 355 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

Max service temperature, long

0 - 550 °C

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 - 6E-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

0.015 %


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