C83300 / CDA 833 Red Brass Bronze Alloys Specification : Minimum Maximum Copper (Cu) 92 94 Tin (Sn) 1 2 Lead (Pb) 1 2 Zinc (Zn) 2 6 Copper + Sum of Named Elements 99.3 Specification Properties : (Heat Treat ‘F’ Denotes As Cast) Minimum Tensile Strength (ksi) Yield Strength (.5% extension under load) (ksi) Elongation (2 inch gauge length) (%) Specification Properties : Typical Modulus of Elasticity (ksi) 15000 Hardness (Brinell) (HB @ 500kg) 35 Machinability (% of free cutting brass) 35 Melting Range (Liquidus-Solidus)(F) 1940-1886 Specific Heat (Btu/lb/F @ 68F) .09 Electrical Conductivity (% IACS @ 68F) 32 Density (lb/cu.in. @ 68F) .318 Patternmakers Shrinkage (in/ft) 3/16 – 1/4 Drossing Low Gassing Medium Fluidity Medium Shrinkage Medium