Find suppliers for this alloyC68350
Chemical Composition
(1) Cu + Sum of Named Elements 99.5% min. (2) Cu value includes Ag. (3) Ni value includes Co.
Min (%)
Max (%)
Mechanical Properties*
Temper Code
Tensile Strength
Rockwell B scale
Shear Strength
Impact Strength
Compressive Yield Strength
ForgingsAs Hot Forged - Air CooledM1058.1   Min
62.4   Typ
66.8   Max
45   Typ
63   Typ
32.7   Typ
26.7   Typ
189   Typ
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1670
Melting Point - Solidus°F1623
Densitylb/cu in. at 68°F0.301
Specific Gravity8.33
Electrical Conductivity% IACS at 68°F21.7
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F45.46
Coefficient of Thermal Expansion 68-21210⁻⁶ per °F (68 – 212°F)7.33
Coefficient of Thermal Expansion 68-39210⁻⁶ per °F (68 – 392°F)9
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)10.1
Specific Heat CapacityBtu/ lb /°F at 68°F0.09
Modulus of Elasticity in Tensionksi15800
Modulus of Rigidityksi5600
Magnetic Permeability1.58
Poisson's Ratio0.41
Fabrication Properties
Technique Suitability
Oxyacetylene WeldingExcellent
Gas Shielded Arc WeldingFair
Coated Metal Arc WeldingPoor
Spot WeldPoor
Seam WeldNot Recommended
Butt WeldNot Recommended
Capacity for Being Cold WorkedExcellent
Capacity for Being Hot FormedExcellent
Forgeability Rating100
Machinability Rating95
Fabrication Process Properties

No fabrication process properties for this alloy

Thermal Properties
Treatment Minimum* Value*
* Temperature is measured in Fahrenheit.
Stress Relief572
Hot Treatment1292
Typical uses
Product Category Product Reason Category Reason
PlumbingValve Bodies, Faucets, Plumbing Components
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No information available.