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DIN 17440 X6Cr13 Soft-Annealed Alloy – Premium Corrosion & High-Temperature Performance

Properties: - resistant in diluted brines, in weakly oxidising acids, in water and steam Application - for construction elements in water and steam, for home appliances - for instruments in petroleum industry - application temperature: -25 to 600 °C

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.7 - 7.73 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

216 - 219.25 GPa

95.0 °C

215.12 GPa

100.0 °C

213 - 215 GPa

150.0 °C

211.67 GPa

200.0 °C

188 - 207 GPa

205.0 °C

208.22 GPa

260.0 °C

204.09 GPa

300.0 °C

164 - 200 GPa

315.0 °C

200.64 GPa

370.0 °C

196.5 GPa

400.0 °C

192 GPa

425.0 °C

190.99 GPa

485.0 °C

184.78 GPa

540.0 °C

177.2 GPa

595.0 °C

164.1 GPa

650.0 °C

153.06 GPa

705.0 °C

140.65 GPa

Elongation

20.0 °C

20 %

Elongation, transverse

20.0 °C

15 %

Hardness, Brinell

20.0 °C

185 [-]

Hardness, Brinell, trans

20.0 °C

185 [-]

Poisson's ratio

20.0 °C

0.27 - 0.29 [-]

95.0 °C

0.27 [-]

150.0 °C

0.27 [-]

205.0 °C

0.27 [-]

260.0 °C

0.27 [-]

315.0 °C

0.27 [-]

370.0 °C

0.27 [-]

425.0 °C

0.29 [-]

485.0 °C

0.28 [-]

540.0 °C

0.29 [-]

595.0 °C

0.31 [-]

650.0 °C

0.32 [-]

705.0 °C

0.29 [-]

Shear modulus

20.0 °C

84.82 - 86.18 GPa

95.0 °C

84.81 GPa

150.0 °C

83.43 GPa

205.0 °C

82.05 GPa

260.0 °C

80.67 GPa

315.0 °C

79.29 GPa

370.0 °C

77.22 GPa

425.0 °C

73.77 GPa

485.0 °C

72.4 GPa

540.0 °C

68.95 GPa

595.0 °C

62.74 GPa

650.0 °C

57.92 GPa

705.0 °C

54.47 GPa

Tensile strength

20.0 °C

400 - 600 MPa

Tensile strength, transverse

20.0 °C

400 - 600 MPa

Yield strength Rp0.2

20.0 °C

250 MPa

50.0 °C

240 MPa

100.0 °C

235 MPa

150.0 °C

230 MPa

200.0 °C

225 MPa

250.0 °C

225 MPa

300.0 °C

220 MPa

350.0 °C

210 MPa

400.0 °C

195 MPa

Yield strength Rp0.2, transverse

20.0 °C

250 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

-25 - 600 °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 %

Chromium

12 - 14 %

Manganese

1 %

Phosphorus

0.04 - 0.05 %

Silicon

1 %

Sulfur

0.015 - 0.03 %


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