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Copper Alloys Copper Casting  Alloy Description American Specifications 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
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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. C83600 Leaded Red Brass C92900 Leaded Nickel Tin Bronze 
C86300 Manganese Bronze C93200 (SAE 660) Bearing Bronze C84400 Leaded Semi-Red 
Brass C93400 High Leaded Tin Bronze C90200 Tin Bronze C93600 High Leaded Tin 
Bronze C90300 "Navy G" Tin Bronze C93700 High Leaded Tin Bronze C90500 Tin 
Bronze C93800 High Leaded Tin Bronze C90700 Tin Bronze C94100 High leaded Tin 
Bronze C91000 Tin Bronze C94300 High Leaded Tin Bronze C91100 Tin Bronze C94500 
High Leaded Tin Bronze C91700 Nickel Tin Bronze C94700 Tin Bronze (heat treated) 
C92200 "Navy M" Tin Bronze C94800 Leaded Nickel Tin Bronze C92300 Leaded Tin 
Bronze C95400 (9C) Aluminum Bronze C92500 Tin Bronze C95500 Nickel Aluminum 
Bronze C92600 Leaded Tin Bronze C95800 Nickel Aluminum Bronze C92700 Leaded Tin 
Bronze C97600 Nickel Silver Bronze C92800 Leaded Tin Bronze C97800 Nickel Silver
 

Copper Alloys Copper Castings

Continuous Cast copper alloy tubes, solid round bars, plate, and profile shapes are available up to 16 inches in cross section thickness or diameter. Proof machined Centrifugal Cast bronze tubes and rings are available up to 124 inches in diameter.

Related Specifications & Applications for Common Cast Copper Alloys Copper Castings

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.
C83600 Leaded Red Brass C92900 Leaded Nickel Tin Bronze
C86300 Manganese Bronze C93200 (SAE 660) Bearing Bronze
C84400 Leaded Semi-Red Brass C93400 High Leaded Tin Bronze 
C90200 Tin Bronze C93600 High Leaded Tin Bronze  
C90300 "Navy G" Tin Bronze C93700 High Leaded Tin Bronze 
C90500 Tin Bronze C93800 High Leaded Tin Bronze

C90700 Tin Bronze

C94100 High leaded Tin Bronze
C91000 Tin Bronze C94300 High Leaded Tin Bronze
C91100 Tin Bronze C94500 High Leaded Tin Bronze
C91700 Nickel Tin Bronze C94700 Tin Bronze (heat treated)
C92200 "Navy M" Tin Bronze C94800 Leaded Nickel Tin Bronze
C92300 Leaded Tin Bronze C95400 (9C) Aluminum Bronze
C92500 Tin Bronze C95500 Nickel Aluminum Bronze
C92600 Leaded Tin Bronze C95800 Nickel Aluminum Bronze
C92700 Leaded Tin Bronze C97600 Nickel Silver Bronze
C92800 Leaded Tin Bronze C97800 Nickel Silver Bronze 
© 1998 Conex Metals.

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