C97300

Reference guide

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

Mechanical properties according to ASTM B505/B505M-23
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) Remarks
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

Fabrication properties provided by CDA
Technique Suitability
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

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.
Treatment Value* Time**
Stress relief 500  
Solution treatment   0

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