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C49355 Copper Zinc Bismuth Alloy Wrought BRASSES Copper-Zinc-Tin Alloys (Tin Brasses) true true https://api.copper.org/alloys.xhtml/C49355
Chemical Composition
Elements
Cu(1) Pb Sn Zn Fe B Bi Mn Si
(1) Cu + Sum of Named Elements 99.5% min.
Min (%) 63.0 0.50 27.0 0.50 1.0
Max (%) 69.0 0.09 2.0 35.0 0.10 0.001 1.5 0.10 2.0
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)		 YS-0.2% Offset
(ksi)		 YS-0.5% Ext
(ksi)		 Elongation
(%)		 Rockwell B scale Section Size
(in)
* Measured at room temperature, 68°F (20°C).
Rod & Bar As Hot Extruded M30 69.0 Typ
 39.0 Typ
 10 Typ
 85 Typ
 .39
As Hot Extruded M30 66.0 Typ
 38.0 Typ
 15 Typ
 85 Typ
 1.18
As Hot Forged - Air Cooled M10 64 Typ
 36 Typ
 17 Typ
 84 Typ
Hot Forged and Annealed O20 62 Typ
 35 Typ
 20 Typ
 82 Typ
Soft Anneal O60 65.0 Typ
 37.0 Typ
 17 Typ
 82 Typ
 1.18
Soft Anneal O60 65.0 Typ
 37.0 Typ
 17 Typ
 82 Typ
 .39
Physical Properties
Melting Point - Liquidus°F 1643
Melting Point - Solidus°F 1558
Densitylb/cu in. at 68°F 0.3
Specific Gravity 8.3
Electrical Conductivity% IACS at 68°F 12.2
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 32.9
Coefficient of Thermal Expansion 68-21210 to -6 power per °F (68 – 212°F) 9.9
Coefficient of Thermal Expansion 68-39210 to -6 power per °F (68 – 392°F) 10.3
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 10.6
Modulus of Elasticity in Tensionksi 19600
Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Good
Gas Shielded Arc Welding Good
Coated Metal Arc Welding Good
Spot Weld Good
Seam Weld Good
Butt Weld Good
Capacity for Being Cold Worked Poor
Capacity for Being Hot Formed Excellent
Forgeability Rating 80
Machinability Rating 70
Common Fabrication Processes

No fabrication process properties for this alloy

Thermal Properties
Treatment Minimum* Maximum*
* Temperature is measured in Fahrenheit.
Annealing 842 1112
Hot Working Temperature 1220 1364
Stress Relief 500
Typical Uses

No information for this alloy

Applicable Specifications
Form Specific Sub-Form Application System Standard Description
Forgings, Die (Hot Pressed) ASME SB283 COPPER AND COPPER ALLOY DIE FORGINGS (HOT PRESSED)
ASTM B283/B283M COPPER AND COPPER ALLOY DIE FORGINGS (HOT PRESSED)
Rod, Bar & Shapes ASTM B124/B124M COPPER AND COPPER-ALLOY FORGING ROD, BAR AND SHAPES
Rod, Bar & Wire ASTM B967/B967M COPPER-ZINC-TIN-BISMUTH ALLOY ROD, BAR AND WIRE
Corrosion Properties

No Corrosion Properties Available.