DIN 17440 Grade X2CrNiMoN17-11-2 quenched (+Q)

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Description

The full austenitic steel X2CrNiNoN17-11-2, mat. no. 1.4406, has an higher yield strength and structure stability also at higher temperatures and a better resistance to oxidising media because of the added N. The steel is resistant to intercrystalline and selective corrosion, both in the delivery condition and in the welded condition. According DIN 17440 : 1996-09 the material is used for flat products and rods (for pressure vessels), forgings and wires, acc. DIN 17441 : 1997-02 for cold rolled sheet and slit strip for pressure vessels. The limiting temperature (operating time up to 100000 h no intercrystalline corrosion) amounts to 400 degrees C. According to DIN 17440 : 1985-07 (X 2 CrNiMoN 17 12 2) resp. DIN EN 10088-1,-2,-3 : 1995-08 (X2CrNiMoN17-11-2) applies: application in the chemical apparatus construction for pressure vessels, in the cellulose industry, colour industry, cosmetic industry and textile industry, brewerys and milk plants. The material is high polishable.

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

7.96 - 7.98 g/cm³

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Mechanical

PropertyTemperatureValueComment

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

20.0 °C

35 - 40 %

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Elongation A80

20.0 °C

35 %

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Elongation A80, transverse

20.0 °C

40 %

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Poisson's ratio

23.0 °C

0.3 [-]

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Typical for Austenitic Stainless Steel

Shear modulus

23.0 °C

77 GPa

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Typical for Austenitic Stainless Steel

Tensile strength

20.0 °C

580 - 800 MPa

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Tensile strength, transverse

20.0 °C

580 - 800 MPa

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Yield strength Rp0.2

20.0 °C

280 MPa

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50.0 °C

250 MPa

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100.0 °C

211 MPa

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150.0 °C

185 MPa

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200.0 °C

167 MPa

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250.0 °C

155 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

280 MPa

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Yield strength Rp1.0

20.0 °C

315 MPa

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50.0 °C

284 MPa

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100.0 °C

246 MPa

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150.0 °C

218 MPa

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200.0 °C

198 MPa

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250.0 °C

183 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

315 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

1.75E-5 - 1.77E-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 - 1.85E-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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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

0.03 %

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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 - 12 %

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Nitrogen

0.12 - 0.22 %

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Phosphorus

0.05 %

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Silicon

1 %

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Sulfur

0.015 %

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