Leaded Tin

KP Bronze – Cast Raw Materials

C92200/SAE 622 - Typical Uses

Bearings and Bushings
Free Cutting Version of Tin Bronze
Pressure Parts up to 3ksi and 550 F
Gears
Fittings
Parts for Hydraulic and Steam Applicables
Valves

Mechanical Properties
M07 - AS CONTINUOUS CAST		US Customary	Metric
Tensile Strength	Minimum	38 ksi	262 MPa
Yield Strength
0.5% Ext. under load	Minimum	19 ksi	131 MPa
Elongation	Minimum	18 %, in 2 in.	18 %, in 51 mm

C92300/SAE 621 - Typical Uses

Free Cutting Version of Tin Bronze
Gears
Hydraulic and Steam Casting
Pipe Fittings and High Steam Castings
Steam Pressure Castings
Valves and Fittings, High Pressure

Mechanical Properties
M07 - AS CONTINUOUS CAST		US Customary	Metric
Tensile Strength	Minimum	40 ksi	276 MPa
Yield Strength
0.5% Ext. under load	Minimum	19 ksi	131 MPa
Elongation	Minimum	16 %, in 2 in.	16 %, in 51 mm

C92500/SAE 640 - Typical Uses

Gears
Automotive Synchronizer Rings

Mechanical Properties
M07 - AS CONTINUOUS CAST		US Customary	Metric
Tensile Strength	Minimum	40 ksi	276 MPa
Yield Strength
0.5% Ext. under load	Minimum	24 ksi	165 MPa
Elongation	Minimum	10 %, in 2 in.	10 %, in 51 mm

C92600 - Typical Uses

Bearings and Brushings
Superior Machinability to C90500
Gears
Piston Rings
Pump Impellers
Steam Fittings
Valve Components

Mechanical Properties
*M01 - AS SAND CAST		US Customary	Metric
Tensile Strength	Minimum	40 ksi	276 MPa
Yield Strength
0.5% Ext. under load	Minimum	18 ksi	124 MPa
Elongation	Minimum	20 %, in 2 in.	20 %, in 51 mm

C92700/SAE 63 - Typical Uses

Fasteners:
Lead Screw Nuts

Industrial:
Gears
Pump Impellers
Bearings
Heavy Duty Bearings
Pump Pistons
Bushings
Steam Fittings

Mechanical Properties
		US Customary	Metric
Tensile Strength	Minimum	40 ksi	276 MPa
Yield Strength
0.5% Ext. under load	Minimum	18 ksi	124 MPa
Elongation	Minimum	20 %, in 2 in.	20 %, in 51 mm

C92800 - Typical Uses

Piston Rings
Corrosion Resistant Castings
Bushings

Mechanical Properties
*M01 - AS SAND CAST		US Customary	Metric
Tensile Strength	Minimum	38 ksi	252 MPa
Yield Strength
0.5% Ext. under load	Minimum	20 ksi	138 MPa
Elongation	Minimum	8 %, in 2 in.	8 %, in 51 mm

C92900/102N - Typical Uses

More Machinable than C91600 or C91700
Cams
Gears
Wear Plates and Guides

Mechanical Properties
M07 - AS CONTINUOUS CAST		US Customary	Metric
Tensile Strength	Minimum	45 ksi	310 MPa
Yield Strength
0.5% Ext. under load	Minimum	25 ksi	172 MPa
Elongation	Minimum	8 %, in 2 in.	8 %, in 51 mm

* In determining copper minimum, copper may be calculated as copper plus nickel.
Chemical Composition according to ASTM B505-08.
Single values represent maximum tolerances

	C92200 SAE 622	C92300 SAE 621	C92500 SAE 640	C92600	C92700 SAE 63	C92800	C92900 102N
Cu%	86.0-90.0	85.0-89.0	85.0-88.0	86.0-88.5	86.0-89.0	78.0-82.0	82.0-86.0
Sn%	5.50-6.50	7.50-9.00	10.0-12.0	9.30-10.5	9.0-11.0	15.0-17.0	9.00-11.00
Pb%	1.0-2.0	0.30-1.00	1.00-1.50	0.80-1.20	4.0-6.0	4.0-6.0	2.00-3.20
Zn%	3.0-5.0	2.50-5.00	0.50	1.30-2.50	1.0	0.80	0.25
Fe%	0.25	0.25	0.30	0.15	0.2	0.20	0.20
Ni%	1.00*	1.00*	0.80-1.50*	0.75	2.0*	0.80*	2.80-4.00*
Sb%	0.25	0.25	0.25	0.25	0.25	0.25	0.25
P%	1.5	1.5	1.5	0.030	0.1	1.5	1.5
S%	0.05	0.05	0.05	0.05	0.05	0.05	0.05
Al%	0.005	0.005	0.005	0.005	0.005	0.005	0.005
Mn%	NA	NA	NA	NA	NA	NA	NA
Si%	0.005	0.005	0.005	0.005	0.005	0.005	0.005
Bi%	NA	NA	NA	NA	NA	NA	NA