C89833

Lead-Free Replacement for C836

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SPECIFICATION CROSS-REFERENCE CHART

Cast

C89833 is a C836 lead-free replacement alloy. C89833 supports the market demand for lead-free material and compliance with the 3874 Reduction of Lead in Drinking Water Act (effective January 2014).

Info

Product Description: Bismuth Tin Bronze
Solids: 1/2" to 10" O.D.
Tubes: 1 1/8" to 9" O.D.
Rectangles: Up to 15"
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
Compliance: C89833 is compliant with key legislation including (1) Federal Safe Drinking Water Act 1974 - SDWA, (2) Federal Reduction of Lead in Drinking Water Act 2011 and (3) California AB1953

Typical Uses

Industrial: corrosion-resistant/pressure-tight castings, impellers, pumps

Chemical Composition

Cu% Pb% Sn% Zn% Fe% P Ni%1 Al% Bi% S% Sb% Si%
1Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.3% min. Single values represent maximums.
86.00-
91.00
 
0.09
4.00-
6.00
2.00-
6.00
 
0.30
 
0.05
 
1.00
 
0.005
1.70-
2.70
 
0.08
 
0.25
 
0.005

Machinability

Copper Alloy UNS No. Machinability Rating Density (lb/in3 at 68 °F)
C89833 81 0.317

Mechanical Properties

Tensile Strength, min Yield Strength, at 0.5% Extension Under Load, min Elongation, in 2 in. or 50 mm min Brinell Hardness (500 kg load) Remarks
ksi MPa ksi MPa % typical BHN  
30 207 14 97 6 60

Physical Properties

Physical Properties provided by CDA

  US Customary Metric
Melting Point - Liquidus 1877 °F 1025 °C
Melting Point - Solidus 1454 °F 790 °C
Density 0.317 lb/in3 at 68 °F 8.78 gm/cm3 at 20 °C
Specific Gravity 8.78 8.78
Electrical Conductivity 17.8% IACS at 68 °F 0.103 MegaSiemens/cm at 20 °C
Thermal Conductivity 41 Btu/sq ft/ft hr/°F at 68 °F 71 W/m at 20 °C
Coefficient of Thermal Expansion 68-392 13 · 10-6 per °F (68-392 °F) 22.5 · 10-6 per °C (20-200 °C)
Specific Heat Capacity 0.085 Btu/lb/°F at 68 °F 356.1 J/kg at 293 °C
Modulus of Elasticity in Tension 15500 ksi 106869 MPa

Fabrication Properties

Fabrication Properties provided by CDA
Technique Suitability
Soldering Excellent
Brazing Good
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Poor
Machinability Rating 81

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