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C89841 Copper-Bismuth Alloy Cast BRASSES Copper-Bismuth and Copper-Bismuth-Selenium Alloys true false https://api.copper.org/alloys.xhtml/C89841
Chemical Composition
Elements
Cu(1) Sn Zn Fe Ni(2) Al Bi Mn Sb Si
(1) Cu + Sum of Named Elements 99.5% min.
(2) Includes Co.
Min (%) 73.0 18.0 0.50 2.8
Max (%) 77.0 0.30 23.0 0.10 0.20 0.01 1.0 0.10 0.10 3.4
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)		 YS-0.2% Offset
(ksi)		 Elongation
(%)		 Brinell Hardness, 500 kg load
* Measured at room temperature, 68°F (20°C).
As Continuous Cast As Continuous Cast M07 63.1 Typ
 23.5 Typ
 31 Typ
 105 Typ
Physical Properties
Melting Point - Liquidus°F 1633
Melting Point - Solidus°F 1589
Densitylb/cu in. at 68°F 0.301
Specific Gravity 8.34
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 22
Coefficient of Thermal Expansion 68-21210 to -6 power per °F (68 – 212°F) 10.3
Casting Characteristics

No casting characteristics for this alloy

Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Good
Spot Weld Good
Seam Weld Good
Butt Weld Good
Capacity for Being Cold Worked Poor
Capacity for Being Hot Formed Excellent
Forgeability Rating 85
Machinability Rating 80
Common Fabrication Processes

No fabrication process properties for this alloy

Thermal Properties
Treatment Minimum*
* Temperature is measured in Fahrenheit.
Hot Working Temperature 1382
Stress Relief 536
Typical Uses

No information for this alloy

Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No Corrosion Properties Available.