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Legislation Top 10 Reasons to Use Green Alloys™
Standard-Stocked Alloys

C90700

  • Product Description: Tin Bronze
  • Solids: 1/2"  to 10" 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
  • » Download C90700 Spec Sheet (.pdf)

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 Military Other
C90700 B505 110 65 4845     TIN BRONZE, 65
  B505M   J461        
      J462        

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

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, 99.4% min. Single values, unless otherwise noted, represent maximums.
88.00-
90.00
10.00-
12.00
 
0.50
 
0.50
 
0.15
 
0.50
 
0.20
 
0.3
 
0.05
 
0.005
 
0.005

Machinability

Copper Alloy UNS No. Rating Density (lb/in at 68° F)
C90700 20 0.317

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

Tensile Strength, min Yield Strength, at .5% extension under load min Elongation, in 2 in. or 50 mm min Brinell Hardness Remarks
ksi MPa ksi MPa % typical BHN  
40 276 25 172 10 102 (500 kg)  

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 at 20° C
Specific Gravity 8.77 8.77
Electrical Conductivity 10% IACS at 68° F 0.056 MegaSiemens/cm at 20° C
Thermal Conductivity 40.8 Btu · ft/(hr · ft2 · °F) at 68° F 70.6 W/m at 20° C
Coefficient of Thermal Expansion 10.2 · 10-6 per °F (68°-392° F) 18.4 · 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
Modulas of Elasticity in Tension 15000 ksi 103400 MPa
Magnetic Permeability 1 1

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
Precipitation Value    
Precipitation Time    
Precipitation Medium
Annealing Minimum    
Annealing Maximum    
Annealing Time  
Hot Works Minimum    
Hot Works Maximum