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C97300 Cast NICKEL SILVERS Copper-Nickel-Zinc Alloys (Nickel Silvers) true false https://api.copper.org/alloys.xhtml/C97300
Chemical Composition
Elements
Cu(1) Pb Sn Zn Fe P Ni(2) Al Mn S Sb Si
(1) Cu + Sum of Named Elements 99.0% min.
(2) Ni value includes Co.
Min (%) 53.0 8.0 1.5 17.0 11.0
Max (%) 58.0 11.0 3.0 25.0 1.5 0.05 14.0 0.005 0.50 0.08 0.35 0.15
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)		 YS-0.5% Ext
(ksi)		 Elongation
(%)		 Brinell Hardness, 500 kg load
* Measured at room temperature, 68°F (20°C).
As Centrifugal Cast As Centrifugal Cast M02 30 Min for Standard
 15 Min for Standard
 8 Min for Standard
As Continuous Cast As Continuous Cast M07 30 Min for Standard
 15 Min for Standard
 10 Min for Standard
As Sand Cast As Sand Cast M01 30 Min for Standard
35 Typ
 15 Min for Standard
17 Typ
 8 Min for Standard
20 Typ
 55 Typ
Physical Properties
Melting Point - Liquidus°F 1904
Melting Point - Solidus°F 1850
Densitylb/cu in. at 68°F 0.321
Specific Gravity 8.89
Electrical Conductivity% IACS at 68°F 6
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 16.5
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 9
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 16000
Casting Characteristics
Casting Attribute Level
Casting Yield Medium
Drossing High
Effect of Section Size Medium
Fluidity High
Gassing Medium
Patternmakers Shrinkage inches per inch 3/16
Shrinkage in Solidification Medium
Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Not Recommended
Machinability Rating 70
Common Fabrication Processes

No fabrication process properties for this alloy

Thermal Properties
Treatment Value* Time**
* Temperature is measured in Fahrenheit. ** Time is measured in minutes.
Stress Relief 500
Solution Treatment 0
Typical uses
Product Category Product Reason Category Reason
Architecture Ornamental Castings Appearance Pleasing White Color
Ornamental Castings Corrosion Resistance Corrosion Resistance (Excellent)
Ornamental Castings Machining Properties Machinability, Good
Ornamental Castings Mechanical Properties Moderate Strength
Statuary Appearance Pleasing White Color
Statuary Corrosion Resistance Corrosion Resistance (Excellent)
Statuary Machining Properties Machinability, Good
Statuary Mechanical Properties Moderate Strength
Builders Hardware Hardware Appearance Pleasing White Color
Hardware Corrosion Resistance Corrosion Resistance (Excellent)
Hardware Machining Properties Machinability, Good
Hardware Mechanical Properties Moderate Strength
Industrial Valves Corrosion Resistance Corrosion Resistance (Excellent)
Valves Machining Properties Machinability, Good
Valves Mechanical Properties Moderate Strength
Applicable Specifications
Form Specific Sub-Form Application System Standard Description
As Centrifugal Cast Castings ASTM B271/B271M COPPER BASE ALLOY CENTRIFUGAL CASTINGS
As Continuous Cast Castings SAE J461 WROUGHT AND CAST COPPER ALLOYS
Castings SAE J462 CAST COPPER ALLOYS
Castings ASTM B505/B505M COPPER BASE ALLOY CONTINUOUS CASTINGS
As Sand Cast Castings ASTM B584 COPPER ALLOY SAND CASTINGS FOR GENERAL APPLICATIONS
Castings ASTM B763/B763M COPPER ALLOY SAND CASTINGS FOR VALVE APPLICATIONS
Ingot
ASTM B30 COPPER BASE ALLOYS IN INGOT FORM
Corrosion Properties

No Corrosion Properties Available.