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

C90300

✔ STANDARD-STOCKED PRODUCT

  • Product Description: Tin Bronze
  • Solids: 1/2"  to 10" OD
  • Tubes: 1" to 16" OD
  • Rectangles: Up to 20" wide
  • 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 C90300 Spec Sheet (.pdf)

Typical Uses

  • Building heavy construction equipment
  • Fasteners swivel
  • Industrial bearings, bushings, gear blanks, gears, piston rings, pump bodies, pump impellers, valve bodies, valves
  • Plumbing steam fittings

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.
86.00-
89.00
7.50-
9.00
 
0.30
3.00-
5.00
 
0.20
 
1.00
 
0.20
 
0.05
 
0.05
 
0.005
 
0.005

Machinability

Copper Alloy UNS No. Machinability Rating Density (lb/in at 68° F)
C90300 30 0.318

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  
44 303 22 152 18 70 (500 kg)  

Physical Properties (provided by CDA)

  US Customary Metric
Melting Point - Liquidus 1832° F 1000° C
Melting Point - Solidus 1570° F 854° C
Density 0.318 lb/in3 at 68° F 8.8 gm/cm3 at 20° C
Specific Gravity 8.8 8.8
Electrical Conductivity 12% IACS at 68° F 0.069 MegaSiemens/cm at 20° C
Thermal Conductivity 43.2 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 0.09 Btu/lb/°F at 68° F 377.1 J/kg · at 293° C
Modulas of Elasticity in Tension 14000 ksi 96527 MPa
Magnetic Permeability 1 1