C89831

Lead-Free Replacement for C844

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SPECIFICATION CROSS-REFERENCE CHART

Cast

C89831 is a C844 lead-free replacement alloy. C89831 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: C89831 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 AF1953

Typical Uses

Industrial: corrosion-resistant/pressure-tight castings, high-speed/heavy-pressure bearings, impellers, pumps

Chemical Composition

Cu% Pb% Sn% Zn% Fe% P Ni%1 Al% Bi% S% Sb% Si%
1.01-2.0% as any single or combination of Ce La or other rare earth(x) elements as agreed upon. (x)ASM International definition: one of the group of chemically similar metals with atomic numbers 57 through 71 commonly referred to as lanthanides
2Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.0% min. Single values represent maximums.
87.00-
91.00
 
0.10
2.70-
3.70
2.00-
4.00
 
0.30
 
0.05
 
1.00
 
0.005
2.70-
3.70
 
0.08
 
0.25
 
0.005

Machinability

Copper Alloy UNS No. Machinability Rating Density (lb/cu in at 68° F)
C89831 85 0.318

Physical Properties

Physical Properties provided by CDA

  US Customary Metric
Melting Point - Liquidus 1893° F 1033° C
Melting Point - Solidus 1518° F 825° C
Density 0.318 lb/in3 at 68° F 8.81 gm/cm3 at 20° C
Specific Gravity 8.81 8.81
Electrical Conductivity 20.38% IACS at 68° F 0.117 MegaSiemens/cm at 20° C
Thermal Conductivity 50 Btu · ft/(hr · ft2 · °F) at 68° F 86.6 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 0.092 Btu/lb/°F at 68° F 385.4 J/kg at 293° C
Modulus of Elasticity in Tension 13700 ksi 94458 MPa

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