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C92500

Stocked alloy specs

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Reference guide

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Continuous cast

C925 nickel-phosphor bronze is notable for containing comparatively high amounts of tin and lead. The inclusion of tin and lead in its composition contribute to improved strength, bearing properties, and machinability.

C92500 spec sheet Standard products

C92500

Product description: Nickel-Phosphor Bronze
Solids: 1/2" to 13" O.D.
Tubes: 1" to 16" O.D.*
Rectangles: Up to 20"
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

Automotive: automotive synchronizer rings
Industrial: gears

Similar or equivalent specification

CDA ASTM SAE AMS Federal Military Other
C92500 B505
B505M		 J461
J462		        

Chemical composition

Cu%1 Pb% Sn% Zn% Fe% P% Ni%1,2 Al% S% Sb% Si%
Chemical composition according to ASTM B505/B505M-23

1In determining Cu min., Cu may be calculated as Cu + Ni.   2Ni value includes Co.
Note: Cu + sum of named elements, 99.3% min. Single values represent maximums.
85.00-
88.00		 1.00-
1.50		 10.00-
12.00		  
0.50		  
0.30		  
1.50		 0.80-
1.50		  
0.005		  
0.05		  
0.25		  
0.005

Machinability

Copper alloy UNS No. Machinability rating Density (lb/in3 at 68 °F)
C92500 30 0.317

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  
40 276 24 165 10 80

Physical properties

Physical properties provided by CDA
  US Customary Metric
Density 0.317 lb/in3 at 68 °F 8.7 gm/cm3 at 20 °C
Specific gravity 8.7 8.7
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
Incipient Melting 600 °F 316 °C

Fabrication properties

Fabrication properties provided by CDA
*Since brazing is performed within the hot-short range, strain must be avoided during brazing and cooling.
Technique Suitability
Soldering Excellent
Brazing* Good
Oxyacetylene welding Not recommended
Gas shielded arc welding Not recommended
Coated metal arc welding Not recommended
Machinability rating 30

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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