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NiFe47 | 2.4478 Material Datasheet

Material Standard Values

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Material Description

Material Number	Material Name	Material Number (single)	Standard	Standard Status	Country	VDA 231-106 classification
2.4478 (SEW 385 : 1991-07)	NiFe47	2.4478	SEW 385 : 1991-07	Valid	Germany	1.1.2	1)
1) Remark: The nickel iron alloy with special thermal expansion NiFe47, material number 2.4478, is used for compounds of metal and glass (glass fusions) and for reed relais. The break point temperature (temperature at which a break point in the expansion-temperature-curve occurs) is 500 degrees C. The material has low thermal expansion at 450 degrees C. The cupping index at 1 mm thickness is 10.0 mm.

Chemical Composition

C [%]	Cr [%]	Mn [%]	Ni [%]	Si [%]	Remainder
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Material Compliance

REACh	RoHS
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Mechanical Properties

Condition	Temperature [°C]	Tensile Strength [MPa]	Yield Strength (0.2% offset) [MPa]	Elongation A [%]	Hardness HV
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Physical Properties

Temperature [°C]	Melting Temperature [°C]	Density [g/cm³]	Young's Modulus [GPa]	Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1]	Thermal Conductivity [W/(m*K)]	Specific Electrical Resistance [µΩm]	Mean Specific Heat Capacity [kJ/(kg*K)]
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Welding and Joining

Procedure	Welding and Joining - Evaluation
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Heat Treatment

Heat Treatment	Temperature [°C]
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Cross Reference

Material Name	Country	Standard
F30 Grade 48	USA	ASTM F30	1)
Alloy 48	USA	ASTM F30	1)
F30 Grade 52	USA	ASTM F30	1)
Alloy 52	USA	ASTM F30	1)
N14052	USA	UNS	1)
K94800	USA	UNS	1)
50-51,5Ni-48,5-50Fe	USA	SAE J470	1)
Glass sealing 52	USA		1)
NIRON 52	USA		1)
UNISEAL 52	USA		1)
NILO 48	USA		1)
1) Source: Stahlschlüssel 2019, Verlag Stahlschlüssel Wegst GmbH, Marbach

Producer/Supplier/Trade names

Tradename	Supplier
2.4478	Imet Industriemetall Handelsgesellschaft mbH, Hamburg
Dilaton 51	Deutsche Nickel GmbH, Schwerte
NiFe47	Hoesch Hohenlimburg GmbH, Hagen
NiFe47	Ugitech SA, Ugine
Pernifer 50 - alloy 52	VDM Metals GmbH, Werdohl