Find suppliers for this alloyC70350
Chemical Composition
(1) Cu + Sum of Named Elements 99.5% min.
Min (%)
Max (%)Rem0.
Mechanical Properties*
Temper Code
Tensile Strength
YS-0.2% Offset
Flat ProductsMill-hardened Temper, TM - 1/2 HardTM02110   Typ
100   Typ
6   Min
Mill-hardened Temper, TM - HardTM04120   Typ
110   Typ
4   Min
Mill-hardened Temper, TM -XHM - Extra HardTM06130   Typ
120   Typ
2   Min
SheetMill-hardened Temper - SHMSTM10135   Typ
130   Typ
Mill-hardened Temper, TM - XHMS SpringTM08145   Typ
140   Typ
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F2007
Melting Point - Solidus°F1967
Densitylb/cu in. at 68°F0.318
Specific Gravity8.81
Electrical Conductivity% IACS at 68°F50
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F115
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)9.8
Modulus of Elasticity in Tensionksi19000
Modulus of Rigidityksi7300
Magnetic Permeability1.01
Poisson's Ratio0.34
Fabrication Properties
Technique Suitability
Oxyacetylene WeldingGood
Gas Shielded Arc WeldingGood
Coated Metal Arc WeldingGood
Spot WeldFair
Seam WeldFair
Butt WeldFair
Capacity for Being Cold WorkedGood
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
ElectricalElectrical Springs
Electronic Connectors
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No information available.