Aperam Durimphy Cold Rolled Strip

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Aperam Durimphy Cold Rolled Strip
Categories:	Metal; Ferrous Metal
Material Notes:	Durimphy is a structured hardening maraging type martensitic alloy. Durimphy has a very high yield strength, is hardened by ageing treatment (3 hours at 480°C) without any dimensional change and has a very good fatigue resistance. Main applications are springs for watch industry, springs for various applications, belts for CVT transmission, rocket fins. Information provided by Aperam
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Physical Properties	Original Value	Comments

Density	8.10 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Vickers	320	Annealed
	570 @Treatment Temp. 480 °C, Time 10800 sec	Annealed
Tensile Strength	1020 MPa	Annealed
	1880 MPa @Treatment Temp. 480 °C, Time 10800 sec	Annealed
Tensile Strength, Yield	980 MPa	Annealed
	1086 MPa @Treatment Temp. 480 °C, Time 10800 sec	Annealed
Elongation at Break	7.0 %	Annealed
	4.0 % @Treatment Temp. 480 °C, Time 10800 sec	Annealed

Electrical Properties	Original Value	Comments
Volume Resistivity	0.0000044 ohm-cm

Thermal Properties	Original Value	Comments
CTE, linear	9.50 µm/m-°C @Temperature 20.0 - 100 °C

Component Elements Properties	Original Value	Comments
Cobalt, Co	9.0 %
Iron, Fe	67.5 %
Molybdenum, Mo	5.0 %
Nickel, Ni	18 %
Titanium, Ti	0.50 %

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NPERA017 / 194806

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