Alloy Description | American Spec. | American Spec. | German Spec. | British Spec. | Typical Material Applications |
| UNS | SAE | alloy | alloy | |
Cu85 Sn5 Zn5 Pb5 Leaded Gunmetal | C83600 | 40 | CuSn5ZnPb | LG2 | Pump components, small gears, bearings, impellers, flanges, low
pressure valves and fittings. |
Cu83 Sn3 Zn8 Pb6 Leaded Gunmetal | C84400 | - | CuSn2ZnPb | *LG1 | Light duty bearings, general hardware, fixtures, low pressure
valves and fittings. |
Cu63 Al6 Fe3 Mn3 Zn25 | C86300 | 430B | - | - | Heavy duty high strength alloy for gears, cams, slow speed heavy
load bearings, screw down nuts. |
Cu88 Sn8 Zn4 Tin Bronze | C90300 | 620 | - | - | Bearings, bushings, piston rings, valve components, seal rings,
steam fittings and gears. |
Cu88 Sn10 Zn2 Tin Bronze | C90500 | 62 | CuSn10Zn | *G1 | Marine pumps, valves, bearings, bushings, piston rings, steam
fittings and gears. |
Cu89 Sn11 Tin Bronze | C90700 | 65 | CuSn12 | *PB1 | Heavy-duty gears, high load bearings, bushings, and worm wheels. |
Cu88 Sn6 Zn4 Pb2 Leaded Tin Bronze | C92200 | 622 | - | LG3 | Valves, fittings, Medium-pressure hydraulic and steam pressure
parts for use up to 550 F (287 C) |
Cu87 Sn11 Ni2 Leaded Tin Bronze | C92500 | 640 | CuSn12Ni | CT2 | Gears, worm wheels - Good shock resistance, Automotive synchronizer
rings. |
Cu87 Sn11 Pb2 Leaded Tin Bronze | C92700 | 63 | CuSn12Pb | LB3 | Heavy-duty bearings, bushings, piston rings, valve components,
steam fittings, gears. |
Cu83 Sn7 Zn3 Pb7 Leaded Tin Bronze | C93200 | 660 | CuSn7ZnPb | | General utility bearings, bushings and wear plates for medium
speeds and pressures. |
Cu85 Pb10 Sn5 High Leaded Tin Bronze | C93500 | 66 | - | LB4 | high-speed bearings, bushings, high-speed light loading, and light
pressure parts. |
Cu80 Pb10 Sn10 High Leaded Tin Bronze | C93700 | 64 | CuPb10Sn | LB2 | Bearings for high speed and heavy pressures, pump parts,
pressure-tight castings. |
Cu78 Pb15 Sn7 High Leaded Tin Bronze | C93800 | 67 | CuPb15Sn | LB1 | Turbocharger bearings, bearings for general service and moderate
pressures, railroad applications. |
Cu75 Pb20 Sn5 High Leaded Tin Bronze | C94100 | 94 | CuPb20Sn | LB5 | High-speed bearings for moderate loads, anti-seizing, conforms to
shaft irregularities. |
Cu87 AI10 Fe3 Aluminum Bronze | C95400 | - | CuAI10Fe | - | High strength bearings, bushings, gears, worms, wear plates, valve
seats, and guides. |
Cu81 AI10 Ni5 Fe4 Ni Aluminum Bronze | C95500 | - | CuAI10Ni | - | High strength bearings, corrosion-resistant parts, aircraft valve
guides, and seats. |
Cu80 AI10 Ni6 Fe4 Ni Aluminum Bronze | C95800 | - | CuAl10Ni | AB2 | Anti-fouling salt water corrosion resistant parts and general
marine hardware. |