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C48645 Wrought BRASSES Copper-Zinc-Tin Alloys (Tin Brasses) true false https://api.copper.org/alloys.xhtml/C48645
Chemical Composition
Elements
Cu(1) Pb Sn Zn Fe P Ni
(1) Cu + Sum of Named Elements 99.5% min.
Min (%) 60.0 1.0 0.10 0.02 0.10
Max (%) 63.0 2.5 1.5 Rem 0.30 0.25 1.0
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)		 YS-0.5% Ext
(ksi)		 Elongation
(%)		 Rockwell B scale
* Measured at room temperature, 68°F (20°C).
Rod, Bar & Forging 1/2 Hard H02 45 Typ
 15 Typ
 20 Typ
 50 Min
80 Max
As Hot Extruded M30 45 Typ
 15 Typ
 20 Typ
 50 Min
80 Max
Physical Properties
Melting Point - Liquidus°F 1640
Melting Point - Solidus°F 1595
Densitylb/cu in. at 68°F 0.3067
Specific Gravity 8.49
Electrical Conductivity% IACS at 68°F 25
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 59.3
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 12.41
Modulus of Elasticity in Tensionksi 13500
Modulus of Rigidityksi 5990
Poisson's Ratio 0.33
Fabrication Properties
Technique Suitability
Soldering Good
Brazing Good
Oxyacetylene Welding Good
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Not Recommended
Spot Weld Not Recommended
Seam Weld Not Recommended
Butt Weld Not Recommended
Capacity for Being Cold Worked Fair
Capacity for Being Hot Formed Good
Forgeability Rating 90
Machinability Rating 85
Common Fabrication Processes

No fabrication process properties for this alloy

Thermal Properties

No thermal properties for this alloy

Typical Uses

No information for this alloy

Applicable Specifications
Form Specific Sub-Form Application System Standard Description
Rod, Bar & Forging ASTM B21/B21M NAVAL BRASS ROD, BAR AND SHAPES
ASTM B124/B124M COPPER AND COPPER-ALLOY FORGING ROD, BAR AND SHAPES
ASTM B283/B283M COPPER AND COPPER ALLOY DIE FORGINGS (HOT PRESSED)
Corrosion Properties

No Corrosion Properties Available.