ALLOY 718 Bar

Nombres alternativos y comerciales
ALLOY 718, UNS N07718
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Description

Alloy 718 is a age-hardened nickel-chromium alloy containing also significant amounts of iron, niobium and molybdenum along with lesser amounts of aluminum and titanium. This provides a high strength alloy combined with corrosion resistance. Service temperatures range from -250°C to about 650°C. This alloy has also very good weldability.

Related Standards

Equivalent Materials

Los datos sobre este material han sido proporcionados por Sverdrup Steel.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

Ashby charts

Propiedades

Medidas

PropertyValue

Diámetro

12.7 - 304.8 mm

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Mecánica

PropertyTemperatureValue

Charpy impact energy, V-notch

-101.0 °C

27 J

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Dureza Brinell

23.0 °C

248 - 363 [-]

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Elongación

23.0 °C

30 %

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Límite elástico Rp 0,2

23.0 °C

725 - 1000 MPa

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Resistencia a la tracción

23.0 °C

895 - 1250 MPa

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Chemical properties

PropertyValueComment

Aluminio

0.2 - 0.8 %

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Azufre

0.015 %

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Carbono

0.08 %

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Cobre

0.3 %

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Cromo

17 - 21 %

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Fósforo

0.02 %

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Manganeso

0.35 %

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Molibdeno

2.8 - 3.3 %

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Níquel

50 - 55 %

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Otro

4.75 - 5.5 %

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Nb+Ta

Silicona

0.35 %

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Titanio

0.65 - 1.05 %

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Technological properties

Property
Application areas

Used in pumps, tooling, gas turbines rocket motors and nuclear reactors.

Heat Treatment

Solution annealed at 1000 – 1052°C. Age hardening at 774 – 802°C.

Welding

Very good