CW613N

CW613N is a leaded alpha/beta brass alloy with a small addition of tin, which provides enhanced strength and corrosion resistance. It is readily extrudable and is used in a variety of mechanical applications requiring good machinability along with good strength and durability.

Chemical Composition

• Copper (Cu): Approximately 59.0%

• Lead (Pb): Around 2.0%

• Tin (Sn): Small addition (~0.1 to 0.3%)

• Zinc (Zn): Balance (Remainder)

• Other elements: In minor amounts, including iron and nickel

Mechanical Properties

• Tensile Strength: Approximately 350-480 MPa, depending on temper and form

• Elongation: Typically 15-25%

• Hardness: Moderate, depending on treatment

Physical Properties

• Density: Approximately 8.4 g/cm³

• Melting Point: Around 885-910°C

• Thermal Conductivity: About 115 W/m·K

• Electrical Conductivity: Approximately 26% IACS

Fabrication Characteristics

• Excellent machinability due to lead content

• Good corrosion resistance from tin addition

• Suitable for extrusion and machining processes

• Used in applications demanding a combination of strength, corrosion resistance, and good machinability