C96800 Spinodal alloy B 584
Copper Alloy UNS Number.：C96800
Previous Designation：
Commercial Designation:
Chemical Requirements（Composition，% Max Except as Indicated）
Major Elements：
Copper：remainder
Lead: 0.005
Zinc: 1.0
Iron: 0.50
Nickelincl.Cobalt:9.5~10.5
Antimony: 0.02
Manganese:0.05~0.30
Residual Elements
Sulfur: 0.0025
Phosphorus: 0.005
Mechanical Requirements
Tensile Strength,min
ksi: 125 C96800(HT) :135
MPa: 862 (HT)：931
Yield Strength, min
ksi: 100 C96800 (HT)：120
MPa: 689 (HT)：821
Elongation in 2 in.or 50 mm, min, %: 3
Heat Treatments
Solution Treatment(not less than 2 h followed by water quench): 1500°F (815°C)
Annealing Treatment(not less than 2 h followed by air cool)，
(Age to develop properties)660°F (350°C)
Precipitation hardening (5 h)
Keywords
copper alloy castings; copper-base alloy castings; sand castings