Find suppliers for this alloyC68400
Chemical Composition
(1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.5% min. (3) Ni value includes Co.
Min (%)
Max (%)
Mechanical Properties*
Temper Code
Tensile Strength
Brinell Hardness, 3000 kg load
ForgingsAs Hot ExtrudedM3069.6   Min
78.3   Typ
87.0   Max
10   Min
25   Max
135   Min
170   Max
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Solidus°F1515
Densitylb/cu in. at 68°F0.296
Specific Gravity8.201
Electrical Conductivity% IACS at 68°F86.6
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F38.11
Coefficient of Thermal Expansion 68-21210⁻⁶ per °F (68 – 212°F)11.21
Coefficient of Thermal Expansion 68-39210⁻⁶ per °F (68 – 392°F)11.61
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)12.17
Specific Heat CapacityBtu/ lb /°F at 68°F0.097
Fabrication Properties
Technique Suitability
Oxyacetylene WeldingFair
Gas Shielded Arc WeldingFair
Coated Metal Arc WeldingFair
Spot WeldFair
Seam WeldFair
Butt WeldPoor
Capacity for Being Cold WorkedFair
Capacity for Being Hot FormedExcellent
Forgeability Rating95
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
PlumbingPlumbers Fittings
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No information available.