C89325 – Lead-Free Replacement for C937

Manufacturer of Custom Machined Parts

Cast C89325

C89325 is a C937 lead-free replacement alloy. C89325 supports the market demand for lead-free material and compliance with the 3874 Reduction of Lead in Drinking Water Act (effective January 2014).

Information

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: C89325 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: bushings, high-speed/high-pressure bearings

Chemical Composition

Cu%1Pb%Sn%Zn%Fe%P%Ni%2Al%S%Sb%Si%
84.00-88.000.109.00-11.001.000.150.101.000.0050.080.500.005

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.

Machinability

Copper Alloy UNS No.Machinability RatingDensity (lb / in³ at 68°F)
C89325800.323

Mechanical Properties

Tensile Strength, minYield Strength, at 0.5% Extension Under Load, minElongation, in 2 in. or 50 mm minBrinell Hardness (500 kg load)Remarks
ksiMPaksiMPa%typical BHN
302071283473

Physical Properties

 US CustomaryMetric
Melting Point - Liquidus1805 °F 985 °C
Melting Point - Solidus1432 °F 777 °C
Density0.323 lb/in³ at 68 °F38.94 gm/cm³ at 20 °C
Specific Gravity8.948.94
Electrical Conductivity10.8% IACS at 68 °F 0.062 MegaSiemens/cm at 20 °C
Thermal Conductivity29 Btu/sq ft/ft hr/°F at 68 °F 50.2 W/m at 20 °C
Coefficient of Thermal Expansion 68-39210.3 · 10-6 per °F (68-392 °F)17.8 · 10-6 per °C (20-200 °C)
Specific Heat Capacity0.089 Btu/lb/°F at 68 °F372.9 J/kg at 20 °C
Modulus of Elastic in Tension16400 ksi113074 MPa

Fabrication Properties

TechniqueSuitability
SolderingGood
BrazingGood
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingNot Recommended
Coated Metal Arc WeldingNot Recommended
Machinability Rating80

Fabrication Properties provided by CDA

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