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Materials North America

Copper and Brass Sales

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Brass alloy 260, also known as Cartridge Brass, is a high-zinc alpha brass consisting of approximately 70% copper and 30% zinc, with small amounts of other elements. Its unique blend of properties makes it a versatile and widely used alloy in multiple industries. Brass 260 offers excellent cold working capabilities, allowing it to be easily formed, drawn, and stamped into intricate shapes. Its high electrical and thermal conductivity make it valuable for electrical connectors, terminals, and heat exchangers. This alloy's golden-yellow color and attractive appearance contribute to its popularity in decorative applications, such as jewelry and ornamental items. Additionally, brass alloy 260's durability and resistance to corrosion, especially in mildly corrosive environments, add to its appeal in plumbing and automotive applications. Overall, brass alloy 260 remains a highly favored material choice, combining functional and aesthetic qualities for a diverse range of products and components.

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Characteristics

Hot and Cold Working

Capacity for Being Cold Worked: Excellent

Capacity for Being Hot Formed: Fair

Typical Uses

Grillwork, heater cores, thermostats, electrical connectors, radiator tube, locks, finish hardware, kick plates, decorative hardware, door knobs, hinges, snaps, etched articles, coinage, watch parts, costume jewelry, buttons, electrical sockets, lamps, terminal connectors, lamp fixtures, reflectors, screw shells, ammunition cartridge cases, lighters, bathroom fixtures, plumbing accessories, faucet escutcheons, traps, and brass goods.

Product Properties

Chemical

Trade Name
Cartridge Brass, 70%
Cu
68.5-71.5
Fe
0.05
Pb
0.07
Zn
Rem.

Mechanical

Form
Flat Product
Flat Product
Flat Product
Flat Product
Flat Product
Flat Product
Flat Product
Flat Product
Flat Product
Wire
Wire
Wire
Wire
Flat Product
Wire
Wire
Wire
Tube
Tube
Wire
Rod
Rod
Rod
Flat Product
Tube
Flat Product

Physical

Melting Point, Liquidus (°F)
1750

Fabrication

Machinability Rating (Free Cutting Brass = 100)
30

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.

California Resident Notice: california proposition 65 warning

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