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Standard-Stocked Alloys

C89835 Lead-Free Replacement for C932, C836, C844

✔ STANDARD-STOCKED PRODUCT

  • Product Description: Bismuth Tin Bronze
  • Solids: 1/2"  to 10" OD
  • Tubes: 1 1/8" to 9" OD
  • Rectangles: Up to 15"
  • Standard Lengths: 105"
  • 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
  • Compliance: C89835 is compliant with key legislation including (1) Federal Safe Drinking Water Act 1974 &mdash SDWA, (2) Federal Reduction of Lead in Drinking Water Act 2011 and (3) California AF1953
  • » Download C89835 Spec Sheet (.pdf)
  • » Download C89835 Brochure (.pdf)

Typical Uses

  • Plumbing faucets, pump components, pipe fittings, plumbing goods, water pump impellers
  • Industrial housings, small gears

Chemical Composition

Cu% Sn% Pb% Zn% Fe% Ni%1 Sb% P% S% Al% Si% Bi%
  • 1Ni value includes Co.
  • Note: Cu + Sum of Named Elements, 99.0% min. Single values represent maximums.
85.00-
89.00
6.00-
7.50
 
0.05
2.00
-4.00
 
0.20
 
1.00
 
0.35
 
0.10
 
0.08
 
0.005
 
0.005
1.75-
2.75

Machinability

Copper Alloy UNS No. Rating Density (lb/in at 68° F)
C89835 70 0.321

Mechanical Properties

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  
30 207 14 97 6 65 (500 kg)

Physical Properties (provided by CDA)

  US Customary Metric
Melting Point - Liquidus 1855° F 1012° C
Melting Point - Solidus 1445° F 785° C
Density 0.321 lb/in3 at 68° F 8.89 gm/cm3 at 20° C
Specific Gravity 8.89 8.89
Electrical Conductivity 14.5% IACS at 68° F 0.084 MegaSiemens/cm at 20° C
Thermal Conductivity 38.0 Btu · ft/(hr · ft2 · °F) at 68° F 65.8 W/m at 20° C
Coefficient of Thermal Expansion 10 · 10-6 per °F (68°-392° F) 17.3 · 10-6 per °C (20°-200° C)
Specific Heat Capacity 0.093 Btu/lb/°F at 68° F 389.6 J/kg at 293° C
Modulas of Elasticity in Tension 16900 ksi 116522 MPa