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DIN 17155 Grade 13CrMo4-4 Quenched & Tempered Steel: High‑Temperature Performance

High temperature steel up to 530 °C and following application: in the barrel construction for overheater and hot steam tubes, for collectors, flanges, in the apparatus construction and the petrochemical industry

Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.85 g/cm³

50.0 °C

7.84 g/cm³

100.0 °C

7.82 g/cm³

150.0 °C

7.81 g/cm³

200.0 °C

7.79 g/cm³

250.0 °C

7.77 g/cm³

300.0 °C

7.76 g/cm³

350.0 °C

7.74 g/cm³

400.0 °C

7.72 g/cm³

450.0 °C

7.7 g/cm³

500.0 °C

7.68 g/cm³

550.0 °C

7.66 g/cm³

600.0 °C

7.64 g/cm³

Mechanical

PropertyTemperatureValue

Elastic modulus

-100.0 °C

217 GPa

20.0 °C

212 - 212.48 GPa

50.0 °C

211.6 GPa

100.0 °C

207 - 209 GPa

150.0 °C

205.52 GPa

200.0 °C

199 - 202 GPa

250.0 °C

197.67 GPa

300.0 °C

192 - 193.45 GPa

350.0 °C

189.23 GPa

400.0 °C

184 - 185 GPa

450.0 °C

180.41 GPa

500.0 °C

175 - 176 GPa

550.0 °C

171.28 GPa

600.0 °C

164 - 166.57 GPa

Elongation

20.0 °C

18 - 20 %

Poisson's ratio

20.0 °C

0.28 [-]

50.0 °C

0.28 [-]

100.0 °C

0.28 [-]

150.0 °C

0.29 [-]

200.0 °C

0.29 [-]

250.0 °C

0.29 [-]

300.0 °C

0.29 [-]

350.0 °C

0.3 [-]

400.0 °C

0.3 [-]

450.0 °C

0.3 [-]

500.0 °C

0.3 [-]

550.0 °C

0.31 [-]

600.0 °C

0.31 [-]

Shear modulus

20.0 °C

82.8 GPa

50.0 °C

82.4 GPa

100.0 °C

81.42 GPa

150.0 °C

79.95 GPa

200.0 °C

78.38 GPa

250.0 °C

76.62 GPa

300.0 °C

74.85 GPa

350.0 °C

73.08 GPa

400.0 °C

71.32 GPa

450.0 °C

69.45 GPa

500.0 °C

67.59 GPa

550.0 °C

65.63 GPa

600.0 °C

63.57 GPa

Tensile strength

20.0 °C

420 - 600 MPa

200.0 °C

390 MPa

250.0 °C

390 MPa

300.0 °C

390 MPa

350.0 °C

390 MPa

400.0 °C

385 MPa

450.0 °C

365 MPa

500.0 °C

335 MPa

Yield strength Rp0.2

20.0 °C

240 - 300 MPa

100.0 °C

220 - 260 MPa

150.0 °C

210 - 245 MPa

200.0 °C

200 - 255 MPa

250.0 °C

190 - 245 MPa

300.0 °C

175 - 230 MPa

350.0 °C

165 - 215 MPa

400.0 °C

160 - 205 MPa

450.0 °C

150 - 195 MPa

500.0 °C

145 - 190 MPa

Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.05E-5 1/K

20.0 °C

1.15E-5 1/K

100.0 °C

1.21E-5 - 1.22E-5 1/K

200.0 °C

1.27E-5 - 1.29E-5 1/K

300.0 °C

1.32E-5 - 1.34E-5 1/K

400.0 °C

1.36E-5 - 1.4E-5 1/K

500.0 °C

1.4E-5 - 1.43E-5 1/K

600.0 °C

1.44E-5 - 1.46E-5 1/K

Max service temperature, long

0 - 530 °C

Melting point

1382 - 1529 °C

Typical for Chromium Molybdenum Steel

Specific heat capacity

-100.0 °C

423 J/(kg·K)

20.0 °C

461 J/(kg·K)

100.0 °C

479 - 500 J/(kg·K)

200.0 °C

499 - 540 J/(kg·K)

300.0 °C

517 - 580 J/(kg·K)

400.0 °C

536 - 620 J/(kg·K)

500.0 °C

558 - 690 J/(kg·K)

600.0 °C

587 - 780 J/(kg·K)

Thermal conductivity

20.0 °C

45.9 W/(m·K)

100.0 °C

46 - 46.4 W/(m·K)

200.0 °C

45.6 - 46 W/(m·K)

300.0 °C

43 - 43.5 W/(m·K)

400.0 °C

40.9 - 41 W/(m·K)

500.0 °C

38 - 38.2 W/(m·K)

600.0 °C

35.5 - 36 W/(m·K)

Thermal diffusivity

20.0 °C

12.7 mm²/s

100.0 °C

12 mm²/s

200.0 °C

11 mm²/s

300.0 °C

9.9 mm²/s

400.0 °C

8.7 mm²/s

500.0 °C

7.3 mm²/s

600.0 °C

6 mm²/s

Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

2.27E-7 - 2.37E-7 Ω·m

50.0 °C

2.56E-7 Ω·m

100.0 °C

2.76E-7 - 2.88E-7 Ω·m

150.0 °C

3.21E-7 Ω·m

200.0 °C

3.46E-7 - 3.59E-7 Ω·m

250.0 °C

4.01E-7 Ω·m

300.0 °C

4.3E-7 - 4.45E-7 Ω·m

350.0 °C

4.95E-7 Ω·m

400.0 °C

5.3E-7 - 5.48E-7 Ω·m

450.0 °C

6.06E-7 Ω·m

500.0 °C

6.48E-7 - 6.63E-7 Ω·m

550.0 °C

7.28E-7 Ω·m

600.0 °C

7.8E-7 - 7.97E-7 Ω·m

Chemical properties

PropertyValue

Carbon

0.08 - 0.18 %

Chromium

0.7 - 1.15 %

Manganese

0.4 - 1 %

Molybdenum

0.4 - 0.8 %

Phosphorus

0.04 %

Silicon

0.1 - 0.4 %

Sulfur

0.03 %


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