NiFe47 | 2.4478 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Scope Standard Status Country VDA 231-106 classification
2.4478 (DIN 17745 : 2002-09) 2.4478 DIN 17745 : 2002-09 Supersedes DIN 17745 : 1973-01 Valid Germany 3.4 1)
1) Remark: The expansion material NiFe47 is to a large extent applied for glass sealings in soft glasses. It possesses a relatively low thermal expansion up to approximately 450 °C. (Temperature interval RT to 400 °C: coefficient of thermal expansion 9.7 to 10.5 10^-6 K^-1). The alloy is of relative durability at normal temperatures in air with normal weather conditions as well as in fresh water and sea water. NiFe47 is well weldable by using the tungsten inert-gas method.

Chemical Composition

C [%] Fe [%] Mn [%] Si [%]
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Mechanical Properties

Semi-finished Product Temperature [°C] Specimen Direction Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Elongation A [%] Hardness HB | HBW
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Physical Properties

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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Cross Reference

Material Name Country Standard
Fe-Ni50.5 France NF A 54-301
N14052 USA UNS
F30 Alloy 52 USA ASTM F30

Producer/Supplier/Trade names

Tradename Supplier
Dilaton 51 Auerhammer Metallwerk GmbH, Aue
Dilaton 51 Deutsche Nickel GmbH, Schwerte
NiFe47 Hoesch Hohenlimburg GmbH, Hagen
Pernifer 50-alloy 52 VDM Metals GmbH, Werdohl
PHY N52 Ugitech SA, Ugine

Material Compliance

REACh RoHS
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