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C69150 Copper Zinc Alloy Copper Zinc Alloy Wrought BRONZES Other Copper-Zinc Alloys true true https://api.copper.org/alloys.xhtml/C69150
Chemical Composition
Elements
Cu(1,2) Pb Sn Zn Fe Ni(3) Al Mn Si
(1) Cu value includes Ag.
(2) Cu + Sum of Named Elements 99.6% min.
(3) Ni value includes Co.
Min (%) 82.5 0.7 0.25
Max (%) 87.5 0.05 0.025 Rem 0.25 0.20 1.3 0.6 0.02
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)		 YS-0.2% Offset
(ksi)		 Elongation
(%)		 Vickers Hardness, 500 gm
* Measured at room temperature, 68°F (20°C).
Rod & Bar Anneal ANNEAL 27.6 Min
36.7 Typ
43.5 Max
 13 Min
14.3 Typ
16.8 Max		 53 Typ
 113 Min
120 Max
Hard Drawn H80 72.6 Min
76.9 Typ
79.8 Max
 71.8 Min
76.6 Typ
79.4 Max		 10 Typ
 158 Min
165 Max
Physical Properties
Melting Point - Liquidus°F 1877
Melting Point - Solidus°F 1850
Densitylb/cu in. at 68°F 0.315
Electrical Conductivity% IACS at 68°F 23
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 69.3
Coefficient of Thermal Expansion 68-21210 to -6 power per °F (68 – 212°F) 11
Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Fair
Gas Shielded Arc Welding Fair
Coated Metal Arc Welding Fair
Spot Weld Fair
Seam Weld Fair
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Excellent
Forgeability Rating 90
Machinability Rating 30
Common Fabrication Processes

No fabrication process properties for this alloy

Thermal Properties
Treatment Minimum* Maximum*
* Temperature is measured in Fahrenheit.
Hot Working Temperature 1472
Solution Treatment 797 1292
Stress Relief 446
Typical Uses

No information for this alloy

Applicable Specifications
Form Specific Sub-Form Application System Standard Description
Rod, Bar & Shapes Forgings ASTM B124/B124M COPPER AND COPPER-ALLOY FORGING ROD, BAR AND SHAPES
Corrosion Properties

No Corrosion Properties Available.