Aperam Invar® FeNi336 Cold Rolled Strip

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Aperam Invar® FeNi336 Cold Rolled Strip
Categories:	Metal; Ferrous Metal
Material Notes:	Invar® is an iron-nickel alloy with a very low coefficient of thermal expansion in the temperature range -100°C to +200°C. Typical applications are moulds for composite components, piezoelectric injectors, echoboxes and filters for mobile telephone relay stations. International standards: DIN 1715 - W 1.3912 – A54-301 – SEW 385 Information provided by Aperam
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Physical Properties	Metric	English	Comments

Density	7.13 g/cc	0.258 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	140	140	Annealed
	210	210	Hard Temper
Tensile Strength	480 MPa	69600 psi	Annealed
	630 MPa	91400 psi	Hard Temper
Tensile Strength, Yield	310 MPa	45000 psi	Annealed
	620 MPa	89900 psi	Hard Temper
Elongation at Break	3.0 %	3.0 %	Hard Temper
	30 %	30 %	Annealed
Tensile Modulus	140 GPa	20300 ksi	Young's, Annealed

Electrical Properties	Metric	English	Comments
Volume Resistivity	0.000075 ohm-cm	0.000075 ohm-cm
Curie Temperature	230 °C	446 °F

Thermal Properties	Metric	English	Comments
CTE, linear	<= 1.50 µm/m-°C @Temperature 20.0 - 100 °C	<= 0.833 µin/in-°F @Temperature 68.0 - 212 °F
Specific Heat Capacity	0.510 J/g-°C	0.122 BTU/lb-°F
Thermal Conductivity	10.5 W/m-K	72.9 BTU-in/hr-ft²-°F
Melting Point	1450 °C	2640 °F

Component Elements Properties	Metric	English	Comments
Iron, Fe	64 %	64 %
Nickel, Ni	36 %	36 %

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NPERA038 / 194827

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