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Leaded Tin Bronze Alloys - C92300

Standard Alloys

Leaded Tin Bronze Alloys

Leaded Red Brass Alloys

  • C83600
  • C83800
  • C84200
  • C84400
  • C84800
  • C85700

Manganese Bronze Alloys

  • C86200
  • C86300
  • C86500

Aluminum Bronze Alloys

  • C95200
  • C95300
  • C95300HT
  • C95400
  • C95400HT
  • C95410
  • C95410HT
  • C95500
  • C95500HT
  • C95510HT
  • C95520HT
  • C95800
  • C95900

High Tin Bronze Alloys

  • C90300
  • C90500
  • C90700
  • C90800
  • C90810
  • C91000
  • C91100
  • C91300
  • C91600
  • C91700

High Lead Tin Bronze

  • C93400
  • C93500
  • C93600
  • C93700
  • C93800
  • C93900
  • C94000
  • C94100
  • C94300

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.

  • Bronze Family: Leaded Tin Bronze
  • Solids: 1/2" to 13" OD
  • Tubes: 1" to 16" OD
  • Rectangles: Up to 20"
  • Standard Lengths: 144"

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 Ingot# Military Other Desc
C92300 B505 81 621   QQ-C-390B Type III 230 MIL-B-11553 Comp. 6 Leaded "G" Bronze
      J461   QQ-B-1005 Comp. 6     COMP. 6
      J462          

Chemical Composition (according to ASTM B505-08)

Cu% Sn% Pb% Zn% Fe% Ni% Sb% P% S% Al% Mn% Si%
Note: Single values represent maximums.
  • A In determining copper minimum, copper may be calculated as copper plus nickel.
85.00-89.00 7.50-9.00 0.30-1.00 2.50-5.00 0.25 1.0A 0.25 1.5 0.05 0.005 N/A 0.005

Mechanical Properties (according to ASTM B505-08)

Tensile Strength (min) Yield Strength (at .5% extention 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 @ 20 C
Specific Gravity 8.770 8.77
Electrical Resistivity 85.90 ohms-cmil/ft @ 68 F 14.29 microhm-cm @ 20 C
Electrical Conductivity 12 %IACS @ 68 F 0.07 MegaSiemens/cm @ 20 C
Thermal Conductivity 43.20 Btu · ft/(hr · ft2·°F)at 68F 74.8 W/m · °K at 20 C
Coefficient of Thermal Expansion 10 ·10-6 per oF (68-392 F) 18.0 ·10-6 per °C (20-200 C)
Specific Heat Capacity 0.090 Btu/lb/°F at 68 F 377.1 J/kg · °K at 293 K
Modulas 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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