C93900

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SPECIFICATION CROSS-REFERENCE CHART

Cast

The lead content in these alloys is between 7 percent and 30 percent. High-leaded tin bronzes are free cutting and retain favorable thermal conductivity and good lubricity due to the lead content. The high-leaded tin bronzes are ideal for bearing applications where there could be a loss of the lubrication boundary. These alloys perform excellent in unforgiving environments where foreign matter may be present, such as dirt and other foreign materials. The high-leaded alloys are able to envelope foreign matter due to their malleable nature and, in doing so, protect the wear surface of a mating part such as a shaft.

Info

Product Description: High-Leaded 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

Industrial: bearings, pump impellers for mine water, pump bodies

Similar or Equivalent Specification

CDA ASTM Asarcon SAE AMS Federal Military Other
C93900 B505
B505M
616 67
J461
J462
  QQ-C-390, E5   79-6-15

Chemical Composition

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

1For continuous castings, P shall be 1.5%, max.   2Ni value includes Co.
Note: Cu + Sum of Named Elements, 98.9% min. Single values represent maximums.
76.50-
79.50
14.00-
18.00
5.00-
7.00
 
1.50
 
0.40
 
1.50
 
0.80
 
0.005
 
0.08
 
0.50
 
0.005

Machinability

Copper Alloy UNS No. Machinability Rating Density (lb/in3 at 68 °F)
C93900 80 0.334

Mechanical Properties

Mechanical Properties according to ASTM B505/B505M-18
Tensile Strength, min Yield Strength, at .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  
25 172 16 110 5 63  

Physical Properties

Physical Properties provided by CDA
  US Customary Metric
Melting Point - Liquidus 1730 °F 943 °C
Melting Point - Solidus 1570 °F 854 °C
Density 0.334 lb/in3 at 68 °F 9.25 gm/cm3 at 20 °C
Specific Gravity 9.25 9.25
Electrical Conductivity 11% IACS at 68 °F 0.066 MegaSiemens/cm at 20 °C
Thermal Conductivity 30.2 Btu/sq ft/ft hr/°F at 68 °F 52.3 W/m at 20 °C
Coefficient of Thermal Expansion 68-392 10.3 · 10-6 per °F (68°-392 °F) 17.8 · 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 11000 ksi 75800 MPa
Incipient Melting 600 °F 316 °C
Magnetic Permeability 1 1

Fabrication Properties

Fabrication Properties provided by CDA
Joining Technique Suitability
Soldering Good
Brazing Poor
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Not Recommended

Thermal Properties

Thermal Properties provided by CDA
Treatment Temp./Time - US Temp./Time - SI
Stress Temperature 500 260
Solution Minimum    
Solution Maximum    
Solution Time 0.0  
Solution Medium    
Precipitation Value    
Precipitation Time    
Precipitation Medium    
Annealing Minimum    
Annealing Maximum    
Annealing Time    
Hot Works Minimum    
Hot Works Maximum    

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