Copper Alloys Compositions and 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