Find suppliers for this alloyC87870
Chemical Composition
(1) Cu + Sum of Named Elements 99.5% min. (2) Ni value includes Co.
Min (%)75.0.3016.0.052.7
Max (%)
Mechanical Properties*
Temper Code
Tensile Strength
YS-0.2% Offset
Rockwell B scale
As Sand CastAs Sand CastM0147.9   Min
58.0   Typ
23.2   Min
29.0   Typ
5   Min
60   Typ
Permanent Mold CastingsAs Permanent Mold CastM0547.9   Min
58.0   Typ
23.2   Min
30.5   Typ
5   Min
65   Typ
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1652
Melting Point - Solidus°F1562
Densitylb/cu in. at 68°F0.3
Specific Gravity8.3
Electrical Conductivity% IACS at 68°F8
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F21.7
Coefficient of Thermal Expansion 68-21210⁻⁶ per °F (68 – 212°F)10.3
Coefficient of Thermal Expansion 68-39210⁻⁶ per °F (68 – 392°F)10.3
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)10.4
Specific Heat CapacityBtu/ lb /°F at 68°F0.09
Modulus of Elasticity in Tensionksi15200
Poisson's Ratio0.33
Casting Characteristics

No casting characteristics for this alloy

Fabrication Properties
Technique Suitability
Oxyacetylene WeldingGood
Gas Shielded Arc WeldingGood
Coated Metal Arc WeldingGood
Spot WeldGood
Seam WeldGood
Butt WeldGood
Capacity for Being Cold WorkedPoor
Capacity for Being Hot FormedExcellent
Forgeability Rating95
Machinability Rating70
Fabrication Process Properties

No fabrication process properties for this alloy

Thermal Properties
Treatment Minimum* Maximum*
* Temperature is measured in Fahrenheit.
Typical uses
Product Category Product Reason Category Reason
PlumbingLead-free defined as Calif. AB 1953 max. .25% lead content
Potable Water Components, Valves, Pump Components , Plumbing Fittings, Meter Cases
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No information available.