EN 10028-7 Grade X6CrNiMoNb17-12-2 solution annealed (+AT)

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Description

The austenitic steel X6CrNiMoNb17-12-2 is comparable to 1.4571 regarding corrosion properties. Increased corrosion resistance to nonoxidizing acids and halogenated media. The material is resistant to intercrystalline corrosion even in sensitized condition. The steel is not mirror-polishable. It is permitted for pressure vessel engineering up to 300 °C. Up to 550 °C if there are no media causing intercrystalline attack. Application: in chemical apparatus engineering, in textile-, sulfite-, cellulose, fatty acid-, rubber and coloring industry

Related Standards

Equivalent Materials

This material data has been provided by WIAM.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
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

7.96 - 8 g/cm³

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Mechanical

PropertyTemperatureValue

Elastic modulus

-100.0 °C

206 GPa

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20.0 °C

196 - 200 GPa

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100.0 °C

190 - 194 GPa

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200.0 °C

182 - 186 GPa

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300.0 °C

174 - 179 GPa

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400.0 °C

166 - 172 GPa

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500.0 °C

158 - 165 GPa

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600.0 °C

150 GPa

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700.0 °C

142 GPa

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800.0 °C

134 GPa

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900.0 °C

127 GPa

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1000.0 °C

120 GPa

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Elongation A80, transverse

20.0 °C

40 %

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Elongation, transverse

20.0 °C

40 %

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Poisson's ratio

20.0 °C

0.28 [-]

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Shear modulus

20.0 °C

77.01 GPa

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Tensile strength

20.0 °C

520 - 720 MPa

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50.0 °C

490 MPa

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100.0 °C

440 MPa

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150.0 °C

410 MPa

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200.0 °C

390 MPa

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250.0 °C

385 MPa

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300.0 °C

375 MPa

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350.0 °C

375 MPa

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400.0 °C

375 MPa

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450.0 °C

370 MPa

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500.0 °C

360 MPa

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550.0 °C

330 MPa

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Tensile strength, transverse

20.0 °C

520 - 720 MPa

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Yield strength Rp0.2

50.0 °C

207 MPa

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100.0 °C

185 MPa

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150.0 °C

177 MPa

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200.0 °C

167 MPa

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250.0 °C

157 MPa

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300.0 °C

145 MPa

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350.0 °C

140 MPa

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400.0 °C

135 MPa

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450.0 °C

131 MPa

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500.0 °C

129 MPa

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550.0 °C

127 MPa

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Yield strength Rp0.2, transverse

20.0 °C

220 MPa

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Yield strength Rp1.0

50.0 °C

244 MPa

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100.0 °C

218 MPa

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150.0 °C

206 MPa

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200.0 °C

196 MPa

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250.0 °C

186 MPa

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300.0 °C

175 MPa

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350.0 °C

169 MPa

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400.0 °C

164 MPa

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450.0 °C

160 MPa

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500.0 °C

158 MPa

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550.0 °C

157 MPa

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Yield strength Rp1.0, transverse

20.0 °C

260 MPa

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Thermal

PropertyTemperatureValueComment

Coefficient of thermal expansion

-100.0 °C

1.49E-5 1/K

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20.0 °C

1.61E-5 1/K

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100.0 °C

1.65E-5 - 1.67E-5 1/K

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200.0 °C

1.72E-5 - 1.75E-5 1/K

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300.0 °C

1.77E-5 - 1.8E-5 1/K

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400.0 °C

1.81E-5 - 1.85E-5 1/K

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500.0 °C

1.84E-5 - 1.9E-5 1/K

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600.0 °C

1.88E-5 1/K

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700.0 °C

1.91E-5 1/K

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800.0 °C

1.94E-5 1/K

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900.0 °C

1.97E-5 1/K

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1000.0 °C

2E-5 1/K

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Max service temperature, long

0 - 550 °C

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Melting point

1230 - 1480 °C

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Typical for Austenitic Stainless Steel

Specific heat capacity

-100.0 °C

440 J/(kg·K)

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20.0 °C

472 - 500 J/(kg·K)

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100.0 °C

487 J/(kg·K)

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200.0 °C

503 J/(kg·K)

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300.0 °C

512 J/(kg·K)

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400.0 °C

520 J/(kg·K)

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500.0 °C

530 J/(kg·K)

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600.0 °C

541 J/(kg·K)

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700.0 °C

551 J/(kg·K)

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800.0 °C

559 J/(kg·K)

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900.0 °C

565 J/(kg·K)

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1000.0 °C

571 J/(kg·K)

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Thermal conductivity

20.0 °C

13.3 - 15 W/(m·K)

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100.0 °C

14.9 W/(m·K)

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200.0 °C

16.5 W/(m·K)

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300.0 °C

18.1 W/(m·K)

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400.0 °C

19.5 W/(m·K)

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500.0 °C

21 W/(m·K)

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600.0 °C

22.4 W/(m·K)

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700.0 °C

23.8 W/(m·K)

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800.0 °C

25.2 W/(m·K)

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Thermal diffusivity

20.0 °C

3.5 mm²/s

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100.0 °C

3.8 mm²/s

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200.0 °C

4 mm²/s

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300.0 °C

4.3 mm²/s

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400.0 °C

4.5 mm²/s

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500.0 °C

4.7 mm²/s

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600.0 °C

4.8 mm²/s

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700.0 °C

5.1 mm²/s

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800.0 °C

5.4 mm²/s

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Electrical

PropertyTemperatureValue

Electrical resistivity

20.0 °C

7.5E-7 - 7.91E-7 Ω·m

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100.0 °C

8.45E-7 Ω·m

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200.0 °C

9.19E-7 Ω·m

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300.0 °C

9.77E-7 Ω·m

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400.0 °C

1.03E-6 Ω·m

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500.0 °C

1.08E-6 Ω·m

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600.0 °C

1.12E-6 Ω·m

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700.0 °C

1.15E-6 Ω·m

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800.0 °C

1.18E-6 Ω·m

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Chemical properties

PropertyValue

Carbon

0.08 %

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Chromium

16.5 - 18.5 %

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Manganese

2 %

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Molybdenum

2 - 2.5 %

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Nickel

10.5 - 13.5 %

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Niobium

1 %

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Phosphorus

0.05 %

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Silicon

1 %

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Sulfur

0.015 %

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