Copper plate has good mechanical properties and good machinability, and can withstand cold and hot pressure processing. It is used for various structural parts such as gaskets and bushes in cutting and stamping processing. Tin brass plate has high corrosion resistance, good mechanical properties, and good pressure processability under cold and hot conditions. It can be used for corrosion-resistant parts on ships and parts and pipes in contact with steam, oil and other media.

CHEMISTRY TYPICAL

Leaded Brass

C35000 60.0-63.0 0.8-2.0 0.15 max Balance

C35300 60.0-63.0 1.5-2.5 0.15 max Balance

Tin Brass

COPPER TIN LEAD IRON ZINC PHOSPHORUS

C42200 86.0-89.0 0.8-1.4 0.05 max 0.05 max Balance 0.35 max

C42500 87.0-90.0 1.5-3.0 0.05 max 0.05 max Balance 0.35 max

PHYSICAL PROPERTIES

Typical Density:

Leaded Brass: 0.306 lb/in3, 8.47 g/cm3

Tin Brass: 0.317 lb/in3, 8.78 g/cm3

Electrical Conductivity: (% IACS at 68° F 20°C, annealed):

Leaded Brass: 26%

Tin Brass: 28-31 %

Thermal Conductivity: BTU-in/hr-ft2-° F

At 68° F: 67 - 75

Mean Coefficient of Thermal Expansion: µin/in-° F 68 - 572 ° F: 10.2 - 11.3

Modulus of Elasticity: KSI

15 - 16 x 103 in tension

APPLICATIONS

Leaded Brass:

Clock and watch components, Meter components, Lock components, Key blanks, Gears

Tin Brass:

Electrical switch springs, Fuse clips, Pen clips, Electrical connectors, Electrical Terminals