C89833 – Lead-Free Replacement for C836

Manufacturer of Custom Machined Parts

Cast C89833

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).

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: 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%1Al%Bi%S%Sb%Si%
86.00-91.000.094.00-6.003.00-6.000.300.051.000.0051.70-2.700.080.250.005

¹Ni 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)
C89833810.317

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
302071497660

Physical Properties

 US CustomaryMetric
Melting Point - Liquidus1877 °F 1025 °C
Melting Point - Solidus1454 °F 790 °C
Density0.317 lb/in³ at 68 °F38.78 gm/cm³ at 20 °C
Specific Gravity8.788.78
Electrical Conductivity17.8% IACS at 68 °F 0.103 MegaSiemens/cm at 20 °C
Thermal Conductivity41 Btu/sq ft/ft hr/°F at 68 °F 71 W/m at 20 °C
Coefficient of Thermal Expansion 68-39213 · 10-6 per °F (68-392 °F)22.5 · 10-6 per °C (20-200 °C)
Specific Heat Capacity0.085 Btu/lb/°F at 68 °F356.1 J/kg at 20 °C
Modulus of Elastic in Tension15500 ksi106869 MPa

Fabrication Properties

TechniqueSuitability
SolderingExcellent
BrazingGood
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingNot Recommended
Coated Metal Arc WeldingPoor
Machinability Rating81

Fabrication Properties provided by CDA

Ready for a Quote?

Randall Bearings has a team of experts ready to assist you in selecting the proper materials and manufacturing your custom part.

Scroll to Top