Find suppliers for this alloyC81700
Chemical Composition
(1) Cu + Sum of Named Elements 99.5% min.
Min (%)
Max (%)
Mechanical Properties*
Temper Code
Tensile Strength
YS-0.2% Offset
Brinell Hardness, 3000 kg load
Shear Strength
Charpy V-Notch Impact Strength
Compressive Strength .1 in. set/in.
Fatigue Strength**
Proportional Limit
As Sand CastAs Sand CastM0192   Typ
68   Typ
8   Typ
217   Typ
70   Typ
8   Typ
12   Typ
80   Typ
17   Typ
50   Typ
* Measured at room temperature, 68°F (20°C). ** Fatigue Strength: 100 x 106 cycles, unless indicated as [N] x 106.
Physical Properties
Melting Point - Liquidus°F1955
Melting Point - Solidus°F1885
Densitylb/cu in. at 68°F0.316
Specific Gravity8.75
Electrical Conductivity% IACS at 68°F48
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F109
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)9.5
Specific Heat CapacityBtu/ lb /°F at 68°F0.1
Modulus of Elasticity in Tensionksi17000
Casting Characteristics
Casting Attribute Level
Casting YieldMedium
Effect of Section SizeLow
Patternmakers Shrinkageinches per inch3/16
Shrinkage in SolidificationHigh
Fabrication Properties
Technique Suitability
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingFair
Coated Metal Arc WeldingNot Recommended
Machinability Rating30
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 Treatment8503Air
Typical Uses

No information available.

Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No information available.