DIN 17744 Grade NiCr21Mo6Cu

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Description

The general corrosion properties of NiCr21Mo6Cu with the material number 2.4641 are comparable with those of NiCr21Mo (material number 2.4858). It possesses a good resistance to reducing and oxidizing mediums and, due to the high Mo-content, it also is resistant to pitting in strongly chlorine-polluted mediums. Furthermore, the material is virtually insensitive to stress cracking corrosion. Among other things, it is applied in the production of phosphoric acid, in the offshore technology and in flue-gas washing devices. In the new edition of the DIN 17744 : 2002-09, the material is not contained any more.

Related Standards

Equivalent Materials

Diese Materialdaten wurden von WIAM zur Verfügung gestellt

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Eigenschaften

Allgemein

PropertyTemperatureValue

Dichte

20.0 °C

8.3 g/cm³

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Mechanisch

PropertyTemperatureValue

Dehnung

100.0 °C

50 %

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200.0 °C

50 %

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300.0 °C

45 %

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400.0 °C

50 %

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500.0 °C

50 %

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600.0 °C

50 %

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Elastizitätsmodul

20.0 °C

200 GPa

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Streckgrenze Rp 0,2

100.0 °C

290 MPa

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200.0 °C

280 MPa

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300.0 °C

250 MPa

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400.0 °C

220 MPa

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500.0 °C

215 MPa

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600.0 °C

210 MPa

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Streckgrenze Rp 1,0

100.0 °C

310 MPa

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200.0 °C

310 MPa

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300.0 °C

280 MPa

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400.0 °C

260 MPa

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500.0 °C

255 MPa

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600.0 °C

250 MPa

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Zugfestigkeit

100.0 °C

620 MPa

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200.0 °C

605 MPa

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300.0 °C

580 MPa

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400.0 °C

560 MPa

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500.0 °C

550 MPa

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600.0 °C

540 MPa

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Thermisch

PropertyTemperatureValueComment

Koeffizient der thermischen Ausdehnung

23.0 °C

7.6E-6 - 1.7E-5 1/K

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Typical for Nickel Chromium Alloy

Schmelzpunkt

1400 °C

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Typical for Nickel Chromium Alloy

Spezifische Wärmekapazität

20.0 °C

500 J/(kg·K)

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Wärmeleitfähigkeit

20.0 °C

11 W/(m·K)

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Elektrisch

PropertyTemperatureValue

spezifischer Widerstand

20.0 °C

1.1E-6 Ω·m

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Chemical properties

PropertyValue

Aluminium

0.2 %

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Chrom

20 - 23 %

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Eisen

17.2 %

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Kobalt

1 %

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Kohlenstoff

0.025 %

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Kupfer

1.5 - 3 %

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Mangan

1 %

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Molybdän

5.5 - 7 %

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Nickel

39 - 46 %

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Phosphor

0.03 %

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Schwefel

0.015 %

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Silizium

0.5 %

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Titan

0.6 - 1 %

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