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

This material data has been provided by WIAM.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
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

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

Mechanical

Property	Temperature	Value	Comment
Elastic modulus	20.0 °C	157 GPa Show Material materials with Elastic modulus of 157 GPa
Elongation	20.0 °C	3 - 30 % Show Material materials with Elongation of 3 - 30 %
Hardness, Brinell	20.0 °C	135 - 250 [-] Show Material materials with Hardness, Brinell of 135 - 250 [-]
Poisson's ratio	23.0 °C	0.28 [-] Show Material materials with Poisson's ratio of 0.28 [-]	Typical for Nickel Iron Alloy
Tensile strength	20.0 °C	550 - 800 MPa Show Material materials with Tensile strength of 550 - 800 MPa
Yield strength Rp0.2	20.0 °C	250 - 790 MPa Show Material materials with Yield strength Rp0.2 of 250 - 790 MPa

Thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	100.0 °C	1.03E-5 1/K Show Material materials with Coefficient of thermal expansion of 1.03E-5 1/K
	200.0 °C	1.03E-5 1/K Show Material materials with Coefficient of thermal expansion of 1.03E-5 1/K
	300.0 °C	1.02E-5 1/K Show Material materials with Coefficient of thermal expansion of 1.02E-5 1/K
	400.0 °C	1.02E-5 1/K Show Material materials with Coefficient of thermal expansion of 1.02E-5 1/K
	500.0 °C	1.03E-5 1/K Show Material materials with Coefficient of thermal expansion of 1.03E-5 1/K
	600.0 °C	1.1E-5 1/K Show Material materials with Coefficient of thermal expansion of 1.1E-5 1/K

Melting point		1450 °C Show Material materials with Melting point of 1450 °C	Typical for Nickel Iron Alloy
Specific heat capacity	20.0 °C	500 J/(kg·K) Show Material materials with Specific heat capacity of 500 J/(kg·K)
Thermal conductivity	20.0 °C	17 W/(m·K) Show Material materials with Thermal conductivity of 17 W/(m·K)

Electrical

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

Chemical properties

Property	Value
Carbon	0.02 % Show Material materials with Carbon of 0.02 %
Chromium	0.7 - 1.5 % Show Material materials with Chromium of 0.7 - 1.5 %
Iron	45 - 48 % Show Material materials with Iron of 45 - 48 %
Manganese	1 % Show Material materials with Manganese of 1 %
Nickel	49.18 % Show Material materials with Nickel of 49.18 %
Silicon	0.3 % Show Material materials with Silicon of 0.3 %