C92300

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SPECIFICATION CROSS-REFERENCE CHART

Cast

Lead improves machinability in this tin bronze but does not materially affect mechanical properties. The alloy is essentially a free-cutting version of the tin bronze in the Alloy Reference Chart, and has similar properties and uses.

Info

Product Description:. Leaded Tin Bronze
Solids: 1/2" to 13" OD
Tubes: 1" to 16" OD
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
Fasteners: nuts
Industrial: pump impellers, pump parts, valve bodies, high-pressure hydraulic equipment, bushings, bearings, gears, piston rings
Plumbing: high-pressure steam equipment

Similar or Equivalent Specification

CDA ASTM ASARCON SAE AMS Federal Military Other
C92300 B505
B143, 2B
81 621
J461
J462
  QQ-C-390, D3;
QQ-B-1005, COMP 6
MIL-B-11553, COMP 6  

Chemical Composition (according to ASTM B505/B505M-14)

Alloy Cu%1 Sn% Pb% Zn% Fe% Ni%2 Sb% P%3 S% Al% Si%
1In determining Cu min., Cu may be calculated as Cu + Ni.   2Ni value includes Co.   3For continuous castings, P shall be 1.5%, max.
Note: Cu + Sum of Named Elements, 99.3% min. Single values represent maximums.
C92300 85.00-
89.00
7.50-
9.00
0.30-
1.00
2.50-
5.00
 
0.25
 
1.00
 
0.25
 
0.05
 
0.05
 
0.005
 
0.005

Mechanical Properties (according to ASTM B505/B505M-14)

Tensile Strength (min) Yield Strength (at .5% extension under load min) Elongation (in 2in. or 50mm min, %) Brinell Hardness (min) Remarks
Ksi MPa Ksi MPa      
40 276 19 131 16 N/A  

Machinability

Alloy Rating Density
C92300 42 0.317

Physical Properties (provided by CDA)

  US Customary Metric
Melting Point - Liquidus 1830° F 999° C
Melting Point - Solidus 1570° F 854° C
Incipient Melting 600° F 315° C
Density 0.317 lb/in3 at 68° F 8.77 gm/cm3 at 20° C
Specific Gravity 8.77 8.77
Electrical Resistivity 85.90 ohms-cmil/ft at 68° F 14.29 microhm-cm at 20° C
Electrical Conductivity 12% IACS at 68° F 0.07 MegaSiemens/cm at 20° C
Thermal Conductivity 43.20 Btu · ft/(hr · ft2 · °F) at 68°F 74.8 W/m at 20° C
Coefficient of Thermal Expansion 10.0 · 10-6 per °F (68°-392° F) 17.3 · 10-6 per °C (20°-200° C)
Specific Heat Capacity 0.090 Btu/lb/°F at 68° F 377.1 J/kg at 293° C
Modulus of Elasticity in Tension 14000 ksi 96500 MPa

Fabrication Properties (provided by CDA)

Joining Technique Suitability
Soldering Excellent
Brazing Good
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Not Recommended

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 None
Precipitation Value    
Precipitation Time    
Precipitation Medium None
Annealing Minimum    
Annealing Maximum    
Annealing Time  
Hot Works Minimum    
Hot Works Maximum    

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