Find suppliers for this alloyC41125
Chemical Composition
(1) Cu + Sum of Named Elements 99.5% min.
Min (%)86.5.50
Max (%)
Mechanical Properties*
Temper Code
Tensile Strength
YS-0.2% Offset
Vickers Hardness, 3000 gm
StripHardH0472.5   Min
78.5   Typ
87.0   Max
65.2   Min
73.8   Typ
79.8   Max
11   Typ
168   Typ
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1922
Melting Point - Solidus°F1859
Densitylb/cu in. at 68°F0.32
Specific Gravity8.8
Electrical Conductivity% IACS at 68°F30
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F80
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)10.2
Modulus of Elasticity in Tensionksi17900
Modulus of Rigidityksi9000
Poisson's Ratio0.316
Fabrication Properties
Technique Suitability
Oxyacetylene WeldingFair
Gas Shielded Arc WeldingGood
Coated Metal Arc WeldingFair
Spot WeldFair
Seam WeldFair
Butt WeldGood
Capacity for Being Cold WorkedExcellent
Capacity for Being Hot FormedGood
Forgeability Rating70
Machinability Rating20
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
AutomotiveAutomotive electrical terminals
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No information available.