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Cast Alloy Products - C90700

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
  • Bronze Family: High Tin Bronze
  • Solids: 1/2" to 10" OD
  • Tubes: 1" to 16" OD
  • Rectangles: Up to 20"
  • Standard Lengths: 144"

Typical Uses

  • Industrial Restaurant Equipment, Worm Wheels, Gears, Bearings for Heavy Loads and Relatively Low Speeds, Bearings, Gear Boxes, Speed Reducers, Valve Bodies, Worm Gears

Similar or Equivalent Specification

CDA ASTM ASARCON SAE AMS Federal Ingot# Military Other Desc
C90700 ASTM B505 110 SAE 65   QQ-C-390B TYPE III 205   HIGH TIN BRONZE, 65
      SAE J461          
      SAE 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.
88.00-90.00 10.00-12.00 0.50 0.50 0.15 0.50A 0.20 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 25 172 10 N/A  

Machinability

Alloy Rating Density
C90700 20 0.317

Physical Properties (provided by CDA)

US Customary Metric
Melting Point - Liquidus 1830 F 999 C
Melting Point - Solidus 1528 F 831 C
Density 0.317 lb/in3 at 68 F 8.77 gm/cm3 @ 20 C
Specific Gravity 8.770 8.77
Electrical Resistivity 107.40 ohms-cmil/ft @ 68 F 17.86 microhm-cm @ 20 C
Electrical Conductivity 10 %IACS @ 68 F 0.056 MegaSiemens/cm @ 20 C
Thermal Conductivity 40.80 Btu · ft/(hr · ft2·°F)at 68F 70.6 W/m · °K at 20 C
Coefficient of Thermal Expansion 10.20 ·10-6 per oF (68-392 F) 18.4 ·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 15000 ksi 103400 MPa
Magnetic Permeability 1 1.0

Fabrication Properties (provided by CDA)

Joining Technique Suitability
Soldering Excellent
Brazing Good
Oxyacetylene Welding Fair
Gas Shielded Arc Welding Fair
Coated Metal Arc Welding Fair

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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BEARTECH ALLOYS, Inc.
(877) 232-7832 Toll Free
(714) 550-1700 * (714) 550-1710 Fax
910 S. Placentia Ave, Suite A
Placentia, CA 92870