C89831

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SPECIFICATION CROSS-REFERENCE CHART

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" OD
Tubes: 1 1/8" to 9" OD
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
Benefits: Good machinability, unique Federalloy® technology enables production engineers to tailor any Federalloy® alloy to their own requirements, good polishing and plating characteristics, better castability at lower temperatures which results in lower costs to end users, assures that elongation approximates its leaded alloy counterparts, "no burn-in" feature enables Federalloy® castings to have more definition which results in crisper markings and more legible identification numbers, superior microstructural characteristics, improved finish requires less shot blast which reduces cleaning costs and shortens cycle times.

Typical Uses

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

Similar or Equivalent Specification

CDA ASTM ASARCON SAE AMS Federal Military Other
C89831             Federalloy® III-844

Chemical Composition

Alloy 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.
C89831 87.00-
91.00
2.70-
3.70
 
0.10
2.00-
4.00
 
0.30
 
1.00
 
0.25
 
0.05
 
0.08
 
0.005
 
0.005
2.70-
3.70

Mechanical Properties

Tensile Strength (min) Yield Strength (at .5% extension under load min) Elongation (in 2in. or 50mm min, %) Hardness (typical Bhn - 500kg) Remarks
Ksi MPa Ksi MPa      
29 13 5 55

Machinability

Alloy Rating Density
C89831 85 0.318

Physical Properties (provided by CDA)

  US Customary Metric
Melting Point - Liquidus 1893° F 1034° 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 0.121 MegaSiemens/cm at 20° C
Thermal Conductivity 500 Btu · ft/(hr · ft2 · °F) at 68° F 86.6 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 0.092 Btu/lb/°F at 68° F 385.5 J/kg at 293° C
Modulus of Elasticity in Tension 13700 ksi 94400 MPa

Fabrication Properties (provided by CDA)

Joining Technique Suitability
Soldering Excellent
Brazing Good
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Poor

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