Find suppliers for this alloyC19720
Chemical Composition
Element
Cu(1)PbSnZnFePNi(2)MgMn
(1) Cu + Sum of Named Elements 99.5% min. (2) Ni value includes Co.
Min (%)0.050.050.06
Max (%)Rem0.050.200.200.500.150.100.200.05
Mechanical Properties*
Form
Temper
Temper Code
Tensile Strength
(ksi)
YS-0.2% Offset
Elongation
(%)
Flat Products1/2 Hard and Stress RelievedHR0258   Typ
48   Typ
9   Min
Hard and Stress RelievedHR0465   Typ
60   Typ
3   Min
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1986
Melting Point - Solidus°F1956
Densitylb/cu in. at 68°F0.319
Specific Gravity8.84
Electrical Conductivity% IACS at 68°F80
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F185
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)9.6
Specific Heat CapacityBtu/ lb /°F at 68°F0.09
Modulus of Elasticity in Tensionksi17200
Modulus of Rigidityksi6600
Magnetic Permeability0.9999
Poisson's Ratio0.3
Fabrication Properties
Technique Suitability
Capacity for Being Cold WorkedExcellent
Capacity for Being Hot FormedExcellent
Fabrication Process Properties

No fabrication process properties for this alloy

    
Thermal Properties
Treatment Minimum* Maximum*
* Temperature is measured in Fahrenheit.
Annealing6601020
Hot Treatment14001700
Typical uses
Product Category Product Reason Category Reason
ElectricalSprings, electricalAppearanceColor
Springs, electricalCorrosion ResistanceCorrosion Resistance
Springs, electricalCorrosion ResistanceCorrosion Resistance to Fresh Water
Springs, electricalCorrosion ResistanceCorrosion Resistance to Salt Water
Springs, electricalForming CharacteristicsFormability
Springs, electricalMechanical PropertiesModerate Strength
Terminals, electricalAppearanceAppearance
Terminals, electricalCorrosion ResistanceCorrosion Resistance
Terminals, electricalForming CharacteristicsFormability
Terminals, electricalMechanical PropertiesModerate Strength
Applicable Specifications
Form System Standard Description
Strip, Sheet & PlateASTMB465COPPER-IRON ALLOY PLATE, SHEET, STRIP, AND ROLLED BAR
Corrosion Properties

No information available.