Find suppliers for this alloyC81800
Chemical Composition
(1) Cu + Sum of Named Elements 99.5% min.
Min (%)
Max (%)1.20.551.7
Mechanical Properties*
Temper Code
Tensile Strength
YS-0.2% Offset
Rockwell B scale
Torsion Modulus
Proportional Limit
As Sand CastAs Sand CastM0150   Typ
25   Typ
20   Typ
55   Typ
6   Typ
15   Typ
Precipitation HardenedTF00102   Typ
75   Typ
8   Typ
96   Typ
50   Typ
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1955
Melting Point - Solidus°F1855
Densitylb/cu in. at 68°F0.311
Specific Gravity8.62
Electrical Conductivity% IACS at 68°F45
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F150
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)10
Specific Heat CapacityBtu/ lb /°F at 68°F0.1
Modulus of Elasticity in Tensionksi16000
Casting Characteristics
Casting Attribute Level
Casting YieldLow
Effect of Section SizeLow
Patternmakers Shrinkageinches per inch3/16
Shrinkage in SolidificationMedium
Fabrication Properties
Technique Suitability
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingFair
Coated Metal Arc WeldingFair
Machinability Rating20
Fabrication Process Properties

No fabrication process properties for this alloy

Thermal Properties
Treatment Minimum* Maximum* Value* Time** Medium
* Temperature is measured in Fahrenheit. ** Time is measured in minutes.
Stress Relief500
Solution Treatment165017001Water
Precipitation Treatment9003Air
Typical Uses

No information available.

Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No information available.