C92800

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SPECIFICATION CROSS-REFERENCE CHART

Cast

The lead content in these bronze alloys is between 7 percent and 15 percent. High leaded tin bronzes alloys are free cutting and retain favorable thermal conductivity and good lubricity due to the lead content. Alloy C93200 is considered this family’s workhorse alloy and is widely used in many bearing applications.

Info

Product Description:. Leaded 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: piston rings, corrosion-resistant castings, bushings

Similar or Equivalent Specification

CDA ASTM Asarcon SAE AMS Federal Military Other
C92800 B505
B505M
    7320     Ring Metal

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.
78.00-
82.00
4.00-
6.00
15.00-
17.00
 
0.80
 
0.20
 
0.05
 
0.80
 
0.005
 
0.05
 
0.25
 
0.005

Machinability

Copper Alloy UNS No. Machinability Rating Density (lb/in3 at 68 °F)
C92800 70 0.317

Mechanical Properties

Mechanical Properties according to ASTM B505/B505M-18   *Brinell equivalent 114 (500 kg)
Tensile Strength, min Yield Strength, at 0.5% Extension Under Load, min Elongation, in 2 in. or 50 mm min Rockwell "B" Hardness Remarks
ksi MPa ksi MPa % minimum HRB  
          72*

Physical Properties

Physical Properties provided by CDA
  US Customary Metric
Melting Point - Liquidus 1751 °F 955 °C
Melting Point - Solidus 1505 °F 818 °C
Specific Heat Capacity 0.09 Btu/lb/°F at 68 °F 377.1 J/kg at 20 °C
Modulus of Elasticity in Tension 16000 ksi 110000 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 70

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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