A blue bar that separates the head section of the site from the body

C89835 Bismuth Tin Bronze


C89835 is a lead-free substitute for C93200 material. Properties are similar to C93200 however, bismuth does not lubricate as well as lead so a constant supply of lubrication is recommended when using this material.


Typical Applications

Plumbing:

Faucets, Pump Components, Pipe Fittings, Plumbing Goods, Water Pump Impellers

Industrial:

Housings, Small Gears


Chemical Composition

Cu%Sn%Pb%Zn%Fe%Ni%Sb%P%S%Al%Bi%Si%
85.0-89.06.00-7.500.092.0-4.00.201.00.350.100.080.0051.70-2.700.005

Mechanical Properties

Tensile Strength, min30 ksi207 MPa
Yield Strength @ .5% ext under load min14 ksi97 MPa
Elongation in 2 in. or 50 mm min, % 6
Brinell Hardness 65
Machinability Rating 70

Physical Properties

 US CustomaryMetric
Melting Point-Liquidus1855 °F 1012 °C
Melting Point-Solidus1445 °F 785 °C 
Density0.321 lb/in 3
@ 68 °F
8.89 gm/cm 3
@ 20 °C 
Specific Gravity8.898.89
Electrical ResistivityN/AN/A
Electrical Conductivity14.5% IACS
@ 68 °F
0.084 MegaSiemens/cm
@ 20 °C
Thermal Conductivity38.0 Btu/sq ft/ft hr/°F  
@ 68 °F 
65.8 W/m
@ 20 °C 
Coefficient of
Thermal Expansion
10 ⋅ 10-6 per °F
(68-392 °F)
17.3 ⋅ 10-6 per °C
(20-100 C)
Specific Heat Capacity0.093 Btu/lb/°F
@ 68 °F 
389.6 J/kg  
@ 293 °C 
Modulus of Elasticity
in Tension
16900 ksi116522 MPa

Fabrication Properties

Joining TechniqueSuitability
SolderingExcellent
BrazingGood
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingNot Recommended
Coated Metal Arc WeldingNot Recommended

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