C92900

Reference guide

C92900

Product description:. Leaded nickel-tin 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

Industrial: Cams, gears, general-service bearings, impellers for mine water, pump bodies, wear plates, worm gears

Similar or equivalent specification

CDA ASTM SAE AMS Federal Military Other
C92900 B505
B505M
         

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.
82.00-
86.00
2.00-
3.20
9.00-
11.00
 
0.25
 
0.20
 
1.50
2.80-
4.00
 
0.005
 
0.05
 
0.25
 
0.005

Machinability

Copper alloy UNS No. Machinability rating Density (lb/in3 at 68 °F)
C92900 40 0.32

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  
45 310 25 172 8 75  

Physical properties

Physical properties provided by CDA
  US Customary Metric
Melting point - liquidus 1887 °F 1031 °C
Melting point - solidus 1575 °F 857 °C
Density 0.32 lb/in3 at 68 °F 8.86 gm/cm3 at 20 °C
Specific gravity 8.86 8.86
Electrical conductivity 9% IACS at 68 °F 0.053 MegaSiemens/cm at 20 °C
Thermal conductivity 33.6 Btu/sq ft/ft hr/°F at 68 °F 58.2 W/m at 20 °C
Coefficient of thermal expansion 68-392 9.5 · 10-6 per °F (68-392 °F) 16.4 · 10-6 per °C (20-200 °C)
Specific heat capacity 0.09 Btu/lb/°F at 68 °F 377.1 J/kg at 20 °C
Modulus of elasticity in tension 14000 ksi 96500 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 40

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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