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C97800 Cast NICKEL SILVERS Copper-Nickel-Zinc Alloys (Nickel Silvers) true false https://api.copper.org/alloys.xhtml/C97800
Chemical Composition
Elements
Cu(1) Pb Sn Zn Fe P Ni(2) Al Mn S Sb Si
(1) Cu + Sum of Named Elements 99.6% min.
(2) Ni value includes Co.
Min (%) 64.0 1.0 4.0 1.0 24.0
Max (%) 67.0 2.5 5.5 4.0 1.5 0.05 27.0 0.005 1.0 0.08 0.20 0.15
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)		 YS-0.5% Ext
(ksi)		 Elongation
(%)		 Brinell Hardness, 3000 kg load
* Measured at room temperature, 68°F (20°C).
As Centrifugal Cast As Centrifugal Cast M02 50 Min for Standard
 22 Min for Standard
 10 Min for Standard
As Continuous Cast As Continuous Cast M07 45 Min for Standard
 22 Min for Standard
 8 Min for Standard
As Sand Cast As Sand Cast M01 50 Min for Standard
55 Typ
 22 Min for Standard
30 Typ
 10 Min for Standard
15 Typ
 130 Typ
Physical Properties
Melting Point - Liquidus°F 2156
Melting Point - Solidus°F 2084
Densitylb/cu in. at 68°F 0.32
Specific Gravity 8.86
Electrical Conductivity% IACS at 68°F 4
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 14.7
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 9.7
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 19000
Casting Characteristics
Casting Attribute Level
Casting Yield Medium
Drossing Med-High
Effect of Section Size Medium
Fluidity High
Gassing Med-High
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 60
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 Silver Color
Ornamental Castings Corrosion Resistance Corrosion Resistance
Ornamental Castings Corrosion Resistance Corrosion Resistance to Numerous Environments
Ornamental Castings Mechanical Properties Moderate Strength
Builders Hardware Hardware Appearance Appearance
Hardware Appearance Pleasing White Color
Hardware Corrosion Resistance Corrosion Resistance (Excellent)
Hardware Mechanical Properties Moderate Strength
Consumer Musical Instruments Components Appearance Pleasing Silver Color
Musical Instruments Components Corrosion Resistance Corrosion Resistance
Musical Instruments Components Corrosion Resistance Corrosion Resistance to Numerous Environments
Musical Instruments Components Mechanical Properties Moderate Strength
Industrial Fittings for Diary and Food Processing Appearance Pleasing White Color
Fittings for Diary and Food Processing Corrosion Resistance Corrosion Resistance (Excellent)
Fittings for Diary and Food Processing Corrosion Resistance Corrosion Resistance to Milk
Fittings for Diary and Food Processing Corrosion Resistance Corrosion Resistance to Numerous Environments
Fittings for Diary and Food Processing Mechanical Properties Moderate Strength
Valves Corrosion Resistance Corrosion Resistance
Valves Corrosion Resistance Corrosion Resistance to Numerous Environments
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 ASTM B505/B505M COPPER BASE ALLOY CONTINUOUS CASTINGS
As Sand Cast Castings ASTM B763/B763M COPPER ALLOY SAND CASTINGS FOR VALVE APPLICATIONS
Castings ASTM B584 COPPER ALLOY SAND CASTINGS FOR GENERAL APPLICATIONS
Ingot ASTM B30 COPPER BASE ALLOYS IN INGOT FORM
Valves MILITARY MIL-V-18436 VALVES, CHECK, BRONZE
Corrosion Properties

No Corrosion Properties Available.