C92900

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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

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-18

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-18
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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