C97300

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, statuary
Builders hardware
Industrial: Valves

Similar or equivalent specification

CDA	ASTM	SAE	AMS	Federal	Military	Other
C97300	B505 B505M					15% 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, 99.0% min. Single values represent maximums.
53.00- 58.00	8.00- 11.00	1.50- 3.00	17.00- 25.00	1.50	0.05	11.00- 14.00	0.005	0.50	0.08	0.35	0.15

Machinability

Copper alloy UNS No.	Machinability rating	Density (lb/in3 at 68 °F)
C97300	70	0.321

Mechanical properties

Tensile strength, min		Yield strength, at 0.5% extension under load, min		Elongation, in 2 in. or 50 mm min	Brinell hardness (500 kg load)
Mechanical properties according to ASTM B505/B505M-23
ksi	MPa	ksi	MPa	%	typical BHN
30	207	15	103	8	55

Physical properties

	US Customary	Metric
Physical properties provided by CDA
Melting point - liquidus	1904 °F	1040 °C
Melting point - solidus	1850 °F	1010 °C
Density	0.321 lb/in3 at 68 °F	8.89 gm/cm3 at 20 °C
Specific gravity	8.89	8.89
Electrical conductivity	6% IACS at 68 °F	0.033 MegaSiemens/cm at 20 °C
Thermal conductivity	16.5 Btu · ft/(hr · ft2 · °F) at 68 °F	28.6 W/m at 20 °C
Coefficient of thermal expansion 68-572	9 · 10-6 per °F (68-572 °F)	15.5 · 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	16000 ksi	110000 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	70

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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C97300

Stocked alloy specs

Reference guide

Stocked size schedules

C97300

Typical uses

Similar or equivalent specification

Chemical composition

Machinability

Mechanical properties

Physical properties

Fabrication properties

Thermal properties

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