Brass 260

Brass 260, also known as Cartridge Brass, is composed of approximately 70% copper and 30% zinc.

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C26000
CuZn30
CZ106
Cartridge Brass

390 MPa

Ultimate Tensile Strength
345 MPa

Yield Strength
97 GPa

Young's Modulus(Elasticity)
40 %

Elongation at Break

At a Glance

Material Type
Metal
Material Name
Brass 260
Alternative Names
C26000 | CuZn30 | CZ106 | Cartridge Brass
Process Compatibility
CNC Milling, CNC Turning

Properties Table of Brass 260

Properties

Ultimate Tensile Strength 390 MPa
Yield Strength 345 MPa
Young's Modulus(Elasticity) 97 GPa
Elongation at Break 40%
Hardness 80 HRB(Rockwell B)
Physical Property
UV Resistance Good resistance
Thermal Property
Maximum Service Temperature 300°C(572°F)
Thermal Expansion Coefficient 19 x 10^-6/°C
Thermal Conductivity 109 W/(m·K)
Electrical Property
ESD Safety Good electrical conductivity

Applications of Brass 260

Electrical connectors
Musical instruments (e.g., trumpets, trombones)
Plumbing fittings (e.g., valves)
Decorative items (e.g., jewelry, ornaments)
Automotive parts (e.g., radiator cores)
Clock and watch components
Lock and key components
Fasteners (e.g., nuts, bolts)

Advantages of Brass 260

Easy to machine for various processes
Good Formability
Good Corrosion Resistance
Easily cold worked for enhanced strength and hardness
Aesthetic Appeal
Biocompatibility
Superior electrical conductivity
Low thermal conductivity

Raw Stock

CNC Machined

Finished Parts

Brass 260 — Machining Notes

Brass 260 in CNC Machini
is Brass 260?

Brass 260 in CNC Machining

Brass 260, also known as Cartridge Brass, is composed of approximately 70% copper and 30% zinc.

It has excellent machinability and produces small, fine chips during machining, and the material doesn’t tend to gum up the cutting tools. Brass is typically machined at higher cutting speeds compared to steel. However, the specific speeds and feeds will depend on the CNC machine’s capabilities, the type of cutting tool, and the complexity of the part being machined.

Brass has a naturally attractive golden color and can be machined to achieve a smooth surface finish. The machined parts may require additional processes like polishing or coating if a specific finish is desired. Moreover, aside from being corrosion-resistant, brass 260 has good dimensional stability and can hold tight tolerances.

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What is Brass 260?

Brass 260 is a popular and cost-effective brass alloy. It is highly ductile and possesses good strength, finishing abilities, and corrosion resistance. It can be easily machined and cold-formed. However, it’s unsuitable for projects involving contact with acetic acid, hydrochloric acid, nitric acid, or ammonia. Avoid soldering due to its high zinc content.

Furthermore, it has an appealing smooth, yellow brass finish that can be polished to a gold-like appearance or brushed satin finish. Unlike steel and iron, brass 260 forms a thin protective patina, preventing rust when exposed to the atmosphere. It is commonly used in architecture, electrical parts, fasteners, and ammunition casings.

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