DIN 17745 Grade NiFe48Cr

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Description

The expansion material NiFe48Cr possesses a relatively low thermal expansion at 450 °C. (Temperature interval RT to 400 °C: coefficient of thermal expansion 9.9 to 10.7 10^-6 K^-1). It is applied for sealings for soft glasses as well as as surge voltage protection. The alloy is of good durability at normal temperatures in air with normal weather conditions as well as in fresh water and sea water. NiFe48Cr is well weldable by using the tungsten inert-gas method and is also applied as welding filler material.

Related Standards

DIN 17745

Equivalent Materials

Los datos sobre este material han sido proporcionados por WIAM.

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.

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Propiedades

General

Property	Temperature	Value
Densidad	20.0 °C	8.3 g/cm³ Show Material materials with Densidad of 8.3 g/cm³

Mecánica

Property	Temperature	Value	Comment
Coeficiente de Poisson	23.0 °C	0.28 [-] Show Material materials with Coeficiente de Poisson of 0.28 [-]	Typical for Nickel Iron Alloy
Dureza Brinell	20.0 °C	135 - 250 [-] Show Material materials with Dureza Brinell of 135 - 250 [-]
Elongación	20.0 °C	3 - 30 % Show Material materials with Elongación of 3 - 30 %
Límite elástico Rp 0,2	20.0 °C	250 - 790 MPa Show Material materials with Límite elástico Rp 0,2 of 250 - 790 MPa
Módulo elástico	20.0 °C	157 GPa Show Material materials with Módulo elástico of 157 GPa
Resistencia a la tracción	20.0 °C	550 - 800 MPa Show Material materials with Resistencia a la tracción of 550 - 800 MPa

Aplicaciones térmicas

Property	Temperature	Value	Comment
Calor específico	20.0 °C	500 J/(kg·K) Show Material materials with Calor específico of 500 J/(kg·K)
Coeficiente de dilatación térmica	100.0 °C	1.03E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.03E-5 1/K
	200.0 °C	1.03E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.03E-5 1/K
	300.0 °C	1.02E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.02E-5 1/K
	400.0 °C	1.02E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.02E-5 1/K
	500.0 °C	1.03E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.03E-5 1/K
	600.0 °C	1.1E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.1E-5 1/K

Conductividad térmica	20.0 °C	17 W/(m·K) Show Material materials with Conductividad térmica of 17 W/(m·K)
Temperatura de fusión		1450 °C Show Material materials with Temperatura de fusión of 1450 °C	Typical for Nickel Iron Alloy

Eléctrico

Property	Temperature	Value
Resistividad eléctrica	20.0 °C	4.3E-7 Ω·m Show Material materials with Resistividad eléctrica of 4.3E-7 Ω·m

Chemical properties

Property	Value
Carbono	0.02 % Show Material materials with Carbono of 0.02 %
Cromo	0.7 - 1.5 % Show Material materials with Cromo of 0.7 - 1.5 %
Hierro	45 - 48 % Show Material materials with Hierro of 45 - 48 %
Manganeso	1 % Show Material materials with Manganeso of 1 %
Níquel	49.18 % Show Material materials with Níquel of 49.18 %
Silicona	0.3 % Show Material materials with Silicona of 0.3 %