Find suppliers for this alloyC19240
Chemical Composition
(1) Cu + Sum of Named Elements 99.8% min.
Min (%)
Max (%)
Mechanical Properties*
Temper Code
Tensile Strength
YS-0.2% Offset
Flat Products1/2 HardH0251   Min
62   Typ
73   Max
48   Min
59   Typ
70   Max
6   Min
Extra SpringH1073   Min
86   Typ
106   Max
70   Min
83   Typ
104   Max
5   Min
HardH0459   Min
72   Typ
87   Max
55   Min
69   Typ
84   Max
5   Min
SpringH0865   Min
79   Typ
93   Max
62   Min
76   Typ
90   Max
5   Min
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1974
Densitylb/cu in. at 68°F0.322
Electrical Conductivity% IACS at 68°F50
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F118
Coefficient of Thermal Expansion 68-39210⁻⁶ per °F (68 – 392°F)9.7
Modulus of Elasticity in Tensionksi17600
Fabrication Properties
Technique Suitability
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingNot Recommended
Coated Metal Arc WeldingNot Recommended
Spot WeldFair
Seam WeldFair
Butt WeldFair
Capacity for Being Cold WorkedGood
Capacity for Being Hot FormedFair
Fabrication Process Properties

No fabrication process properties for this alloy

Thermal Characteristics

No thermal characteristics for this alloy

Typical uses
Product Category Product Reason Category Reason
ElectricalLead Frames, Heat Sinks
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No information available.