+ + C85300 Yellow Brass
C85300 Yellow Brass

C85300 Yellow Brass

Chemical Composition

(1) Cu + Sum of Named Elements 99.1% min.
Min (%) 68.0        
Max (%) 72.0 0.50 0.50 Rem 0.50

Mechanical Properties*

FormTemper CodeTensile Strength
YS-0.5% Ext
Rockwell F scale
As Sand Cast M01 35   Typ 11   Typ 40   Typ 54   Typ
* Measured at room temperature, 68°F (20°C).

Physical Properties

Melting Point - Liquidus°F 1730
Melting Point - Solidus°F 1680
Densitylb/cu in. at 68°F 0.308
Specific Gravity 8.53
Electrical Conductivity% IACS at 68°F 28
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 70
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F) 11.1
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 15000

Casting Characteristics

Casting AttributeLevel
Casting Yield Medium
Drossing High
Effect of Section Size Low
Fluidity Low
Gassing Low
Patternmakers Shrinkage 3/16
Shrinkage in Solidification High

Fabrication Properties

Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Good
Gas Shielded Arc Welding Good
Coated Metal Arc Welding Not Recommended
Machinability Rating 30

Thermal Properties

Stress Relief 500  
Solution Treatment   0