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C89720 Copper-Bismuth Alloy TECO Cast BRASSES Copper-Bismuth and Copper-Bismuth-Selenium Alloys true true https://api.copper.org/alloys.xhtml/C89720
Chemical Composition
Elements
Cu(1) Pb Sn Zn Fe P Ni(2) Al B Bi Mn Sb Si
(1) Cu + Sum of Named Elements 99.5% min.
(2) Ni value includes Co.
Min (%) 63.0 0.6 26.0 0.35 0.0005 0.50 0.02 0.40
Max (%) 0.09 1.5 32.0 0.10 0.02 0.10 1.5 0.01 2.0 0.10 0.20 1.0
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)		 YS-0.5% Ext
(ksi)		 Elongation
(%)		 Rockwell B scale
* Measured at room temperature, 68°F (20°C).
As Continuous Cast As Continuous Cast M07 40.6 Min
46.4 Typ
 17.4 Min
23.9 Typ
 25 Typ
 85 Typ
As Sand Cast As Sand Cast M01 29 Min
34.8 Typ
 15.2 Min
16.7 Typ
 18 Typ
 80 Typ
Physical Properties
Melting Point - Liquidus°F 1684
Melting Point - Solidus°F 1603
Densitylb/cu in. at 68°F 0.3
Specific Gravity 8.3
Electrical Conductivity% IACS at 68°F 16.8
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 46.8
Specific Heat CapacityBtu/ lb /°F at 68°F 0.096
Modulus of Elasticity in Tensionksi 16000
Casting Characteristics

No casting characteristics for this alloy

Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Good
Gas Shielded Arc Welding Good
Coated Metal Arc Welding Good
Spot Weld Good
Seam Weld Good
Butt Weld Good
Capacity for Being Cold Worked Poor
Capacity for Being Hot Formed Not Recommended
Machinability Rating 70
Common Fabrication Processes

No fabrication process properties for this alloy

Thermal Properties
Treatment Minimum*
* Temperature is measured in Fahrenheit.
Stress Relief 500
Typical Uses

No information for this alloy

Applicable Specifications
Form Specific Sub-Form Application System Standard Description
As Sand Cast ASTM B505/B505M COPPER BASE ALLOY CONTINUOUS CASTINGS
Ingot ASTM B30 COPPER BASE ALLOYS IN INGOT FORM
Corrosion Properties

No Corrosion Properties Available.