Leaded nickel silver 65-8-2, UNS C78200, H02 Temper, Flat Products

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Leaded nickel silver 65-8-2, UNS C78200, H02 Temper, Flat Products
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Temper: 1/2 Hard Fabrication Properties: Excellent Suitability – Soldering; Good Suitability – Brazing, Capacity for Being Cold Worked; Fair Suitability – Butt Weld; Poor Suitability – Capacity for Being Hot Formed Typical uses: Key Blanks; Watch Parts
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Physical Properties	Original Value	Comments

Density	0.314 lb/in³

Mechanical Properties	Original Value	Comments
Hardness, Rockwell B	78 @Thickness 1.02 mm
Hardness, Rockwell 30T	69 @Thickness 1.02 mm
Tensile Strength	69.0 ksi @Thickness 1.02 mm
Tensile Strength, Yield	58.0 ksi @Thickness 1.02 mm	0.5% Ext
Elongation at Break	12 % @Thickness 1.02 mm
Tensile Modulus	17000 ksi
Modulus of Rigidity	6400 ksi
Poissons Ratio	0.33	Calculated
Machinability	60 %
Shear Strength	47.0 ksi @Thickness 1.02 mm

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000158 ohm-cm	10.9% IACS

Thermal Properties	Original Value	Comments
CTE, linear	10.3 µin/in-°F @Temperature 20.0 - 100 °C
Specific Heat Capacity	0.0900 BTU/lb-°F
Thermal Conductivity	28.0 BTU-in/hr-ft²-°F
Melting Point	1780 - 1830 °F
Solidus	1780 °F
Liquidus	1830 °F
Annealing Point	930 - 1150 °F

Component Elements Properties	Original Value	Comments
Copper, Cu	63 - 67 %
Iron, Fe	<= 0.35 %
Lead, Pb	1.5 - 2.5 %
Manganese, Mn	<= 0.50 %
Nickel, Ni	7.0 - 9.0 %
Zinc, Zn	20.7 - 28.5 %	As Balance

References for this datasheet.

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MC78200x1 / 293131

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