Find suppliers for this alloyC70280
Chemical Composition
(1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.5% min. (3) Ni value includes Co.
Min (%)
Max (%)Rem0.021.50.300.0150.041.70.30
Mechanical Properties*
Temper Code
Tensile Strength
YS-0.2% Offset
Flat ProductsMill-hardened Temper, TM - HardTM0475   Typ
65   Typ
15   Min
Mill-hardened Temper, TM - XHMS SpringTM0895   Typ
90   Typ
7   Min
Mill-hardened Temper, TM -XHM - Extra HardTM0685   Typ
75   Typ
10   Min
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1967
Melting Point - Solidus°F1895
Densitylb/cu in. at 68°F0.321
Specific Gravity8.9
Electrical Conductivity% IACS at 68°F40
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F104
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)9.7
Specific Heat CapacityBtu/ lb /°F at 68°F0.09
Modulus of Elasticity in Tensionksi19000
Fabrication Properties
Technique Suitability
Oxyacetylene WeldingFair
Gas Shielded Arc WeldingGood
Coated Metal Arc WeldingFair
Capacity for Being Cold WorkedExcellent
Fabrication Process Properties

No fabrication process properties for this alloy

Thermal Characteristics

No thermal characteristics for this alloy

Typical Uses

No information available.

Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No information available.