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, wear plates, impellers for mine water, general service bearings, pump bodies, worm gears

Similar or Equivalent Specification

CDA ASTM Asarcon SAE AMS Federal Military Other Desc
C92900 B505
B505M
102N          

Chemical Composition

Cu%1 Pb% Sn% Zn% Fe% P%2 Ni%3 Al% S% Sb% Si%
Chemical Composition according to ASTM B505/B505M-18

1In determining Cu min., Cu may be calculated as Cu + Ni.   2For continuous castings, P shall be 1.5%, max.   3Ni 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 293 °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.   **Time is measured in minutes.
Treatment Value* Time**
Stress Relief 500  
Solution Treatment   0

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