Aperam R4 Cold Rolled Strip Thermostatic bimetal (large temperature range with higher degree of hardness)

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Aperam R4 Cold Rolled Strip Thermostatic bimetal (large temperature range with higher degree of hardness)
Categories:	Metal; Ferrous Metal
Material Notes:	Aperam bimetals “R series” has the same physical properties as “AS series”. One of the main differences between these two types, is the higher degree of hardness of active component. “R series” find very wide application regarding its high constant deflection, and its good transformation performance. International standards: ASTM-B388 Typical Chemical composition: Passive Component: Fe Ni36 Intermediate layer: Nickel and Copper Active Component: Fe Ni22 Cr3 Information provided by Aperam
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Physical Properties	Metric	English	Comments

Density	8.50 g/cc	0.307 lb/in³

Electrical Properties	Metric	English	Comments
Volume Resistivity	0.00000381 - 0.00000439 ohm-cm	0.00000381 - 0.00000439 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	13.0 µm/m-°C @Temperature -20.0 - 175 °C	7.22 µin/in-°F @Temperature -4.00 - 347 °F
Maximum Service Temperature, Air	350 °C	662 °F

Descriptive Properties
Spec thermal curvature	23.71-25.68		[10e-06/K°]

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NPERA074 / 194863

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