C94800

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SPECIFICATION CROSS-REFERENCE CHART

Info

Product Description:. Leaded Nickel-Tin Bronze
Solids: 1/2" to 10" 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

Builders Hardware: structural castings
Industrial: gear components, motion translation devices, bearings, machinery parts

Similar or Equivalent Specification

CDA ASTM Asarcon SAE AMS Federal Military Other
C94800 B505
B505M
B948
B292-B
51N     QQ-C-390, F3    

Chemical Composition

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

1Ni value includes Co.
Note: Cu + Sum of Named Elements, 98.7% min. Single values represent maximums.
84.00-
89.00
0.30-
1.00
4.50-
6.00
1.00-
2.50
 
0.25
 
0.05
4.50-
6.00
 
0.005
 
0.20
 
0.05
 
0.15
 
0.005

Machinability

Copper Alloy UNS No. Machinability Rating Density (lb/in3 at 68 °F)
C94800 50 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  
40 276 20 138 20 80  

Physical Properties

Physical Properties provided by CDA
  US Customary Metric
Melting Point - Liquidus 1880 °F 1027 °C
Melting Point - Solidus 1660 °F 904 °C
Density 0.32 lb/in3 at 68 °F 8.86 gm/cm3 at 20 °C
Specific Gravity 8.86 8.86
Electrical Conductivity 12% IACS at 68 °F 0.07 MegaSiemens/cm at 20 °C
Thermal Conductivity 22.3 Btu · ft/(hr · ft2 · °F) at 68 °F 38.6 W/m at 20 °C
Coefficient of Thermal Expansion 68-572 10.9 · 10-6 per °F (68-572 °F) 18.8 · 10-6 per °C (20-300 °C)
Specific Heat Capacity 0.09 Btu/lb/°F at 68 °F 377.1 J/kg at 293 °C
Modulus of Elasticity in Tension 15000 ksi 103400 MPa

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 50

Thermal Properties

Thermal Properties provided by CDA

*Temperature is measured in Fahrenheit.   **Time is measured in minutes.
Treatment Min* Max* Value* Time** Medium
Stress Relief     500    
Solution Treatment 1425 1475   2 Water
Precipitation Treatment     580 6 Air

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