High-Leaded Tin Bronze, UNS C93200, Copper Casting Alloy, Bearing Bronze SAE 660

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High-Leaded Tin Bronze, UNS C93200, Copper Casting Alloy, Bearing Bronze SAE 660
Categories:	Metal; Nonferrous Metal; Copper Alloy; Bronze; Copper Casting Alloy
Material Notes:	Casting methods recommended for this alloy: Centrifugal, Continuous, Permanent Mold, and Sand. Applications: General-utility bearings and bushings, automobile fittings. Classified under: High-leaded tin bronzes. ASTM B584; formerly ASTM B144-3B Typical data for sand-cast test bars. Alloy does not respond to heat treating
Key Words:	High lead tin bronze, ASTM B584, ASTM B144-3B, SAE 660
Vendors:	Dura-Bar Metal Services is a major distributor of bronze alloys. We stock a large inventory of C93200 in tubes and rounds. Our customers rely on us for high quality materials that help increase their profitability. Call us at 1-800-526-0548 or visit dura-barms.com for more information. Click here to view all available suppliers for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
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Physical Properties	Metric	English	Comments

Density	8.93 g/cc	0.323 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	65	65
Tensile Strength, Ultimate	240 MPa	34800 psi
Tensile Strength, Yield	125 MPa @Strain 0.5 %	18100 psi @Strain 0.5 %
Elongation at Break	20 %	20 %	in 50 mm
Modulus of Elasticity	100 GPa	14500 ksi
Compressive Strength	315 MPa	45700 psi	at permanent set of 10%
Fatigue Strength	110 MPa @# of Cycles 1.00e+8	16000 psi @# of Cycles 1.00e+8	rotating beam
Machinability	70 %	70 %	UNS C36000 (free-cutting brass) = 100%
Izod Impact	8.00 J	5.90 ft-lb
Coefficient of Friction	0.10	0.10

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000144 ohm-cm @Temperature 20.0 °C	0.0000144 ohm-cm @Temperature 68.0 °F

Thermal Properties	Metric	English	Comments
CTE, linear	18.0 µm/m-°C @Temperature 0.000 - 100 °C	10.0 µin/in-°F @Temperature 32.0 - 212 °F
Specific Heat Capacity	0.377 J/g-°C	0.0900 BTU/lb-°F
Thermal Conductivity	59.0 W/m-K @Temperature 20.0 °C	409 BTU-in/hr-ft²-°F @Temperature 68.0 °F
Melting Point	315 °C	599 °F	Incipient
	855 - 975 °C	1570 - 1790 °F
Solidus	855 °C	1570 °F
Liquidus	975 °C	1790 °F
Shrinkage	1.8 %	1.8 %	Patternmaker's Shrinkage (7/32 in./ft.)

Processing Properties	Metric	English	Comments
Annealing Temperature	260 °C	500 °F	Stress-Relieving Temperature

Component Elements Properties	Metric	English	Comments
Antimony, Sb	<= 0.35 %	<= 0.35 %
Copper, Cu	81 - 85 %	81 - 85 %
Iron, Fe	<= 0.20 %	<= 0.20 %
Lead, Pb	6.0 - 8.0 %	6.0 - 8.0 %
Nickel, Ni	<= 0.50 %	<= 0.50 %
Phosphorus, P	<= 0.15 %	<= 0.15 %
Silicon, Si	<= 0.0030 %	<= 0.0030 %
Sulfur, S	<= 0.080 %	<= 0.080 %
Tin, Sn	6.3 - 7.5 %	6.3 - 7.5 %
Zinc, Zn	2.0 - 4.0 %	2.0 - 4.0 %

References for this datasheet.

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MC93200b1 / 11945

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