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Materials North America

Copper and Brass Sales

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Brass alloy 220 is a high-strength, alpha-beta brass with an exceptional combination of properties. Composed of approximately 90% copper and 10% zinc, this alloy also contains small amounts of other elements, enhancing its performance. Brass 220 exhibits excellent machinability, making it a preferred choice for intricate components and parts. Its high tensile strength and corrosion resistance make it ideal for applications in marine environments and industries requiring sturdy and durable materials. This alloy's unique blend of properties also enables it to excel in architectural and decorative uses, where its attractive golden hue and exceptional workability contribute to stunning designs. Brass alloy 220 continues to be a versatile and reliable material, serving a wide range of industries with its exceptional characteristics.

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Product Properties

Chemical

Trade Name
Commercial Bronze, 90%
Cu
89.0-91.0
Fe
0.05
Pb
0.05
Zn
Rem.

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Mechanical

Form
Flat Product
Flat Product
Flat Product
Flat Product
Flat Product
Flat Product
Flat Product
Flat Product
Flat Product
Flat Product
Flat Product
Flat Product
Flat Product
Size
Temper
Tensile Strength, ksi
Yield Strength, ksi
Elongation in 2 Inches, %
0.04
0.05
37
10
45
0.04
0.035
38
12
45
0.04
0.025
39
14
44
0.04
0.015
41
15
42
0.04
Quarter Hard
45
35
25
0.04
Half Hard
52
45
11
0.04
Hard
61
54
5
0.04
Extra Hard
67
58
4
0.04
Spring
72
62
3
0.25
0.035
38
12
50
0.25
Half Hard
52
45
15
0.04
As Hot Rolled
39
14
44
0.25
As Hot Rolled
37
10
45

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Physical

Melting Point, Liquidus (°F)
1910
Melting Point, Solidus (°F)
Density, 68°F (Lb/In³)
Coefficient Of Linear Thermal Expansion, 68 - 572°F (x 10⁻⁶/°F)
Thermal Conductivity, 68°F (Btu/Ft²/Ft/Hr/°F)
Electrical Conductivity, Annealed, 68°F (%IACS)
Specific Heat, 68°F (Btu/Lb/°F)
1870
0.318
10.2
109
44
0.09

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Fabrication

Machinability Rating (Free Cutting Brass = 100)
20
Soldering
Brazing
Oxyacetylene Welding
Gas Shielded Arc Welding
Coated Metal Arc Welding
Spot
Seam
Butt
E
E
G
G
NR
NR
NR
G

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E = Excellent
G = Good
F = Fair
NR = Not Recommended

Machinability ratings must be recognized as approximate values. They are a reasonable guide to relative tool life and power required for cutting. Variables of speed, cutting oil, feed, and depth of cut will significantly affect these ratios.

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