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Copper and Copper Alloys (Additional Information)

Classification ASTM Forging Specification Material Grade Designation UNS # Chemical Composition General Application
Copper Alloy B-151 70-30 CuNi C71500 Cu (incl Ag) rem, Fe 0.40-1.0, Mn 1.0 max, Ni (incl Co) 29.0-33.0, Pb 0.05 max, Zn 1.0 max, Other Cu + sum of named elements 99.5 min Condensers, Seawater piping, power plants, exchanger shells
Copper Alloy B-151 90-10 CuNi C70600 Cu (incl Ag) rem, Fe 1.0-1.8, Mn 1.0 max, Ni (incl Co) 9.0-11.0, Pb 0.05 max, Zn 1.0 max, Other Cu + sum of named elements 99.5 min Desalination, underwater tubing, exchangers, marine hardware
Copper Electronic Copper C10200 Cu (Incl Ag) 99.95 min Buss Bars, Electronic Connectors, Switch Gear, Relays, Contactors and High Voltage Equipment
Brass Forging Brass C37700 Cu (incl Ag) 58.0–61.0, Fe 0.30 max, Pb 1.5-2.5, Zn rem, Other Cu + sum of named elements 99.5 min Architectural Hardware, Fittings & Valve bodies of all types, miscellaneous brass forgings
Bronze Aluminum Bronze C62300 Cu (incl Ag) rem, Al 8.5–10.0, Fe 2.0- 4.0, Mn 0.50 max, Ni (incl Co) 1.0 max, Si 0.25 max, Sn 0.6 max, Other Cu + sum of named elements 99.5 min Pump and Valve components for industrial process steams, high strength fasteners, marine equipment and pole line hardware