SEW 520 Grade G18NiMoCr3-6 quenched and tempered (+QT)

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Description

The material G18NiMoCr3-6 is suitable for fusion welding and is considered to have a good weldability, since it has been successfully used with good results in cast - welded constructions, especially in combination with rolling mill and forged products made from quenchhardened high-strength fine-grain structural steels. In addition to high values for the 0.2% proof strength, the material distinguishes itself by relatively high values of the notch impact energy at the same time. Application: is chiefly applied in the mechanical engineering and the vehicle manufacturing, furthermore in the plant engineering and crane construction, in the offshore-technology as well as in the underground mining at climatically determined temperatures.

Related Standards

Equivalent Materials

Diese Materialdaten wurden von WIAM zur Verfügung gestellt

Alle Daten beziehen sich auf Raumtemperatur soweit nicht anderweitig spezifiziert. SI Einheiten werden verwendt soweit nicht anderweitig spezifiziert.
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Eigenschaften

Allgemein

PropertyTemperatureValueComment

Dichte

23.0 °C

7.8 - 7.9 g/cm³

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Typical for Nickel Chromium Molybdenum Steel

Mechanisch

PropertyTemperatureValueComment

Dehnung

20.0 °C

12 %

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Elastizitätsmodul

23.0 °C

200 - 215 GPa

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Typical for Nickel Chromium Molybdenum Steel

Poissonzahl

23.0 °C

0.29 [-]

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Typical for Nickel Chromium Molybdenum Steel

Streckgrenze

20.0 °C

630 - 700 MPa

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Zugfestigkeit

20.0 °C

780 - 980 MPa

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Thermisch

PropertyTemperatureValueComment

Koeffizient der thermischen Ausdehnung

23.0 °C

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

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Typical for Nickel Chromium Molybdenum Steel

Schmelzpunkt

1382 - 1529 °C

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Typical for Nickel Chromium Molybdenum Steel

Spezifische Wärmekapazität

23.0 °C

448 - 670 J/(kg·K)

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Typical for Nickel Chromium Molybdenum Steel

Wärmeleitfähigkeit

23.0 °C

34 - 54 W/(m·K)

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Typical for Nickel Chromium Molybdenum Steel

Chemical properties

PropertyValue

Chrom

0.4 - 0.9 %

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Kohlenstoff

0.17 - 0.22 %

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Mangan

0.8 - 1.2 %

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Molybdän

0.4 - 0.7 %

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Nickel

0.6 - 1 %

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Phosphor

0.02 %

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Schwefel

0.015 %

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Silizium

0.6 %

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