DIN 17176 Grade 12CrMo19-5 soft annealed (+A)

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Description

High temperature steel for high pressure hydrogenation vessels. It is scale resistant up to 650 °C as well as chemical resistant to aggressive (e.g. sulphurous) oils. Application: hydration facilities and petroleum distillation facilities for tubes and shapes, in the quenched and tempered condition also in the steam boiler construction for overheater tubes and collectors

Related Standards

Equivalent Materials

This material data has been provided by WIAM.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValue

Density

20.0 °C

7.77 g/cm³

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Mechanical

PropertyTemperatureValue

Elastic modulus

20.0 °C

212 - 212.36 GPa

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95.0 °C

208.22 GPa

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100.0 °C

207 - 212 GPa

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150.0 °C

204.77 GPa

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200.0 °C

199 - 205 GPa

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205.0 °C

200.64 GPa

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260.0 °C

195.81 GPa

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300.0 °C

192 - 198 GPa

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315.0 °C

191.67 GPa

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370.0 °C

187.54 GPa

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400.0 °C

184 - 189 GPa

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425.0 °C

182.71 GPa

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485.0 °C

177.89 GPa

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500.0 °C

175 - 180 GPa

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540.0 °C

172.37 GPa

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595.0 °C

166.85 GPa

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600.0 °C

164 - 168 GPa

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650.0 °C

159.96 GPa

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705.0 °C

151.69 GPa

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760.0 °C

139.27 GPa

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Elongation

20.0 °C

18 - 22 %

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Elongation, transverse

20.0 °C

18 %

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Hardness, Brinell

20.0 °C

163 - 220 [-]

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Poisson's ratio

20.0 °C

0.31 [-]

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95.0 °C

0.3 [-]

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150.0 °C

0.3 [-]

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205.0 °C

0.3 [-]

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260.0 °C

0.3 [-]

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315.0 °C

0.3 [-]

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370.0 °C

0.3 [-]

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425.0 °C

0.3 [-]

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485.0 °C

0.32 [-]

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540.0 °C

0.3 [-]

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595.0 °C

0.31 [-]

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650.0 °C

0.32 [-]

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705.0 °C

0.33 [-]

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760.0 °C

0.33 [-]

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Shear modulus

20.0 °C

81.36 GPa

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95.0 °C

80.32 GPa

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150.0 °C

78.95 GPa

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205.0 °C

77.22 GPa

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260.0 °C

75.5 GPa

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315.0 °C

73.77 GPa

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370.0 °C

72.05 GPa

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425.0 °C

70.33 GPa

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485.0 °C

67.57 GPa

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540.0 °C

66.19 GPa

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595.0 °C

63.78 GPa

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650.0 °C

60.67 GPa

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705.0 °C

57.23 GPa

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760.0 °C

52.4 GPa

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Tensile strength

20.0 °C

410 - 540 MPa

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100.0 °C

360 MPa

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150.0 °C

350 MPa

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200.0 °C

340 MPa

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250.0 °C

340 MPa

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300.0 °C

340 MPa

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350.0 °C

330 MPa

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400.0 °C

320 MPa

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450.0 °C

300 MPa

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500.0 °C

270 MPa

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Tensile strength, transverse

20.0 °C

395 - 560 MPa

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Yield strength

20.0 °C

175 MPa

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Yield strength Rp0.2

20.0 °C

175 MPa

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100.0 °C

156 MPa

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150.0 °C

149 - 150 MPa

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200.0 °C

142 - 148 MPa

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250.0 °C

138 - 147 MPa

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300.0 °C

132 - 145 MPa

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350.0 °C

128 - 142 MPa

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400.0 °C

125 - 137 MPa

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450.0 °C

119 - 129 MPa

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500.0 °C

112 - 116 MPa

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Yield strength Rp0.2, transverse

20.0 °C

175 MPa

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100.0 °C

136 - 156 MPa

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150.0 °C

129 - 149 MPa

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200.0 °C

122 - 142 MPa

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250.0 °C

118 - 138 MPa

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300.0 °C

112 - 132 MPa

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350.0 °C

108 - 128 MPa

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400.0 °C

105 - 125 MPa

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450.0 °C

99 - 119 MPa

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500.0 °C

92 - 112 MPa

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Yield strength, transverse

20.0 °C

155 - 175 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1E-5 1/K

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20.0 °C

1.08E-5 1/K

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100.0 °C

1.13E-5 - 1.14E-5 1/K

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200.0 °C

1.18E-5 - 1.2E-5 1/K

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300.0 °C

1.23E-5 - 1.24E-5 1/K

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400.0 °C

1.27E-5 - 1.28E-5 1/K

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425.0 °C

1.24E-5 1/K

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485.0 °C

1.26E-5 1/K

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500.0 °C

1.3E-5 - 1.32E-5 1/K

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540.0 °C

1.28E-5 1/K

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595.0 °C

1.29E-5 1/K

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600.0 °C

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

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650.0 °C

1.32E-5 1/K

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700.0 °C

1.33E-5 1/K

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705.0 °C

1.32E-5 1/K

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Max service temperature, long

0 - 650 °C

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Melting point

1382 - 1529 °C

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Typical for Chromium Molybdenum Steel

Specific heat capacity

-100.0 °C

423 J/(kg·K)

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20.0 °C

461 J/(kg·K)

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100.0 °C

479 - 490 J/(kg·K)

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200.0 °C

499 - 530 J/(kg·K)

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300.0 °C

517 - 560 J/(kg·K)

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400.0 °C

536 - 610 J/(kg·K)

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500.0 °C

558 - 670 J/(kg·K)

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600.0 °C

587 - 760 J/(kg·K)

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Thermal conductivity

20.0 °C

20.3 W/(m·K)

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100.0 °C

22.7 - 23 W/(m·K)

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200.0 °C

25 W/(m·K)

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300.0 °C

26 - 26.4 W/(m·K)

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400.0 °C

27 - 27.3 W/(m·K)

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500.0 °C

27.7 - 28 W/(m·K)

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600.0 °C

27.8 - 28 W/(m·K)

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700.0 °C

27.5 W/(m·K)

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Thermal diffusivity

20.0 °C

5.7 mm²/s

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100.0 °C

5.9 mm²/s

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200.0 °C

6.1 mm²/s

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300.0 °C

6 mm²/s

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400.0 °C

5.8 mm²/s

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500.0 °C

5.4 mm²/s

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600.0 °C

4.7 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

5.14E-7 Ω·m

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100.0 °C

5.6E-7 - 5.63E-7 Ω·m

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200.0 °C

6.3E-7 - 6.32E-7 Ω·m

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300.0 °C

7.1E-7 - 7.12E-7 Ω·m

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400.0 °C

7.97E-7 - 8E-7 Ω·m

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500.0 °C

8.9E-7 - 8.93E-7 Ω·m

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600.0 °C

9.96E-7 - 1E-6 Ω·m

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700.0 °C

1.12E-6 Ω·m

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Chemical properties

PropertyValue

Carbon

0.06 - 0.15 %

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Chromium

4 - 6 %

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Manganese

0.3 - 60 %

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Molybdenum

0.45 - 0.65 %

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Phosphorus

0.03 - 0.04 %

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Silicon

0.3 - 0.5 %

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Sulfur

0.03 - 0.035 %

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