C97800

Product description: Nickel silver bronze
Solids: 3/4" to 9" O.D.
Tubes: 1 1/8" to 9" O.D.*
Rectangles: Up to 14"
Standard lengths: 144"
Shape/Form: semi-finished, mill stock or near-net shapes, anode, bar stock, billet/bloom, squares, hex, plate, profile or structural shape, flats/rectangular bar

*Consult mill for wall thickness

Typical uses

Architecture: ornamental castings
Builders hardware: hardware
Consumer: musical instruments components
Industrial: fittings for dairy and food processing, valves

Similar or equivalent specification

CDA	ASTM	SAE	AMS	Federal	Military	Other
C97800	B505 B505M					25% Nickel Silver

Chemical composition

Cu%	Pb%	Sn%	Zn%	Fe%	P%	Ni%1	Al%	Mn%	S%	Sb%	Si%
Chemical composition according to ASTM B505/B505M-23 1Ni value includes Co. Note: Cu + sum of named elements, 99.6% min. Single values represent maximums.
64.00- 67.00	1.00- 2.50	4.00- 5.50	1.00- 4.00	1.50	0.05	24.00- 27.00	0.005	1.00	0.08	0.20	0.15

Machinability

Copper alloy UNS No.	Machinability rating	Density (lb/in3 at 68 °F)
C97800	60	0.32

Mechanical properties

Tensile strength, min		Yield strength, at 0.5% extension under load,, min		Elongation, in 2 in. or 50 mm min	Brinell hardness (3000 kg load)
Mechanical properties according to ASTM B505/B505M-23
ksi	MPa	ksi	MPa	%	typical BHN
45	310	22	152	8	130

Physical properties

	US Customary	Metric
Physical properties provided by CDA
Melting point - liquidus	2156 °F	1180 °C
Melting point - solidus	2084 °F	1140 °C
Density	0.32 lb/in3 at 68 °F	8.86 gm/cm3 at 20 °C
Specific gravity	8.86	8.86
Electrical conductivity	4% IACS at 68 °F	0.026 MegaSiemens/cm at 20 °C
Thermal conductivity	14.7 Btu · ft/(hr · ft2 · °F) at 68 °F	25.4 W/m at 20 °C
Coefficient of thermal expansion 68-572	9.7 · 10-6 per °F (68-572 °F)	16.8 · 10-6 per °C (20-300 °C)
Specific heat capacity	0.09 Btu/lb/°F at 68 °F	377.1 J/kg at 20 °C
Modulus of elasticity in tension	19000 ksi	131000 MPa

Fabrication properties

Technique	Suitability
Fabrication properties provided by CDA
Soldering	Excellent
Brazing	Excellent
Oxyacetylene welding	Not recommended
Gas shielded arc welding	Not recommended
Coated metal arc welding	Not recommended
Machinability rating	60

Thermal properties

Treatment	Value*	Time**
Thermal properties provided by CDA Temperature is measured in fahrenheit. *For stress relief, solution treatment and annealing - time is measured in hours/inch of thickness. For precipitation heat treatment - time is measured in hours.
Stress relief	500
Solution treatment		0

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C97800

Stocked alloy specs

Reference guide

Stocked size schedules

C97800

Typical uses

Similar or equivalent specification

Chemical composition

Machinability

Mechanical properties

Physical properties

Fabrication properties

Thermal properties

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