CW606N

CW606N, also known as CZ131, is a type of brass alloy categorised as a riveting and turning brass with notable machinability and formability characteristics.

Chemical Composition

• Copper (Cu): 61.00% - 63.00%

• Lead (Pb): 1.5% - 2.8%

• Zinc (Zn): Balance (approximately 33-38%)

• Iron (Fe): Up to 0.1%

• Aluminium (Al): Up to 0.05%

• Nickel (Ni): Up to 0.3%

• Tin (Sn), Manganese (Mn), and other minor elements in trace amounts (up to 0.2%)

Mechanical Properties

• Ultimate Tensile Strength (UTS): Around 350 MPa (for certain sizes)

• Elongation: Approximately 25%

• Machinability rating: About 70-85% relative to free machining brass CZ121/CW614N (100%)

• Density: Approx. 8.4 to 8.5 g/cm³

• Melting point: Around 885°C - 910°C

Physical and Fabrication Properties

• Good cold forming and hot working ability

• Excellent solderability and good brazing capabilities

• Welding mostly not recommended, fair for butt welding

• Thermal conductivity around 115-120 W/m.K

• Electrical conductivity about 26% IACS

Uses

• Fasteners, rivets, screws, nuts, and other headed components

• Builders hardware and plumbing fittings

• Faucet seats and household appliance parts

• Instrument parts, clock and watch components

• Battery terminals and hose fittings