Materion ToughMet® 3 AT90 (OD≥4")

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Materion ToughMet® 3 AT90 (OD≥4")
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	ToughMet® is Brush Wellman's solution for severe service material problems. By applying their EquaCast® process, tailored alloying additions and spinodal hardening technology, they have engineered ToughMet® to provide attributes beyond those typically found in a high-strength copper alloy. Exceptional resistance to corrosion and cavitation Outstanding lubricity and durability in demanding applications Highly uniform composition in all product forms Uniform microstructure in a variety of wrought shapes and sizes ToughMet® 3 in the wrought and spinodally hardened (AT) condition exhibits tensile strength up to 140 ksi and hardness up to HRc 34 in a Copper-15% Nickel-8% Tin alloy with excellent machinability. Information supplied by Brush Wellman Engineered Materials. Brush Engineered Materials Inc. changed its name to Materion Corporation in March 2011.
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Physical Properties	Original Value	Comments

Density	0.323 lb/in³

Mechanical Properties	Original Value	Comments
Hardness, Brinell	>= 260	3000 kg, 10 mm ball
Tensile Strength, Ultimate	>= 110000 psi
Tensile Strength, Yield	>= 90000 psi @Strain 0.2 %
Elongation at Break	>= 12 %
Modulus of Elasticity	18500 ksi
Poissons Ratio	0.33
Fatigue Strength	60000 psi @# of Cycles 1.00e+6	R = -1, 105 ksi YS
Shear Modulus	6950 ksi	calculated

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000192 ohm-cm	Conductivity is 9% IACS
Magnetic Permeability	<= 1.001

Thermal Properties	Original Value	Comments
CTE, linear	8.90 µin/in-°F @Temperature 21.1 - 102 °C
Thermal Conductivity	264 BTU-in/hr-ft²-°F

Component Elements Properties	Original Value	Comments
Copper, Cu	77 %	As remainder
Nickel, Ni	15 %
Tin, Sn	8.0 %

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NBBC08 / 15318

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