Nickel silver 65-12, UNS C75700, OSO70 Temper sheet or strip

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Nickel silver 65-12, UNS C75700, OSO70 Temper sheet or strip
Categories:	Metal; Nonferrous Metal; Copper Alloy
Material Notes:	Excellent corrosion resistance. Fabricated by blanking, drawing, etching, forming and bending, heading and upsetting, roll threading and knurling, shearing, spinning, squeezing, stamping and swaging. Applications: slide fasteners, camera parts, optical parts, etching stock, nameplates. Test specimen: sheet or strip - 1mm thickness.
Key Words:	NS104, ISO CuNi12Zn24, CEN CW403J
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Physical Properties	Metric	English	Comments

Density	8.69 g/cc	0.314 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell B	22	22
Hardness, Rockwell F	69	69
Hardness, Rockwell 30T	27	27
Tensile Strength, Ultimate	360 MPa	52200 psi
Tensile Strength, Yield	125 MPa @Strain 0.5 %	18100 psi @Strain 0.5 %
Elongation at Break	48 %	48 %	In 50 mm
Modulus of Elasticity	125 GPa	18100 ksi
Poissons Ratio	0.33	0.33	calculated
Machinability	20 %	20 %	UNS C36000 (free-cutting brass) = 100%
Shear Modulus	47.0 GPa	6820 ksi

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000216 ohm-cm	0.0000216 ohm-cm

Thermal Properties	Metric	English	Comments
CTE, linear	16.2 µm/m-°C @Temperature 20.0 - 300 °C	9.00 µin/in-°F @Temperature 68.0 - 572 °F
Specific Heat Capacity	0.380 J/g-°C	0.0908 BTU/lb-°F
Thermal Conductivity	40.0 W/m-K @Temperature 20.0 °C	278 BTU-in/hr-ft²-°F @Temperature 68.0 °F
Melting Point	<= 1040 °C	<= 1900 °F
Liquidus	1040 °C	1900 °F

Processing Properties	Metric	English	Comments
Annealing Temperature	600 - 825 °C	1110 - 1520 °F

Component Elements Properties	Metric	English	Comments
Copper, Cu	63.5 - 66.5 %	63.5 - 66.5 %
Iron, Fe	<= 0.25 %	<= 0.25 %
Lead, Pb	<= 0.050 %	<= 0.050 %
Manganese, Mn	<= 0.50 %	<= 0.50 %
Nickel, Ni	11 - 13 %	11 - 13 %
Other, total	<= 0.50 %	<= 0.50 %
Zinc, Zn	23 %	23 %

References for this datasheet.

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MC75700b2 / 11820

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