High-Leaded Tin Bronze
SAE 67 78-7-15
Solid and cored bars are stocked in 13" increments and 105" lengths and are available in other
lengths and non-standard sizes. Consider bars for use when you need special bearings, bearings for
prototypes, or for emergency repairs.
Centrifugal cast large diameter cored bars are also available in 13" lengths as well as made to order
sizes and alloys.
(Not to be used for specification purposes.)
Copper 75.00 – 79.00%
Tin 6.30 – 7.50%
Lead 13.00 – 16.00%
Physical Properties: Centrifugal Cast
Tensile Strength PSI: 26,000 min.
Yield Strength PSI: 14,000 min.
Elongation: 12% min.
Brinell Hardness (500 kg load): 55 typical
Machinability Rating: 80
Minimum Operating Temperature: -450°F
Maximum Operating Temperature: 500°F
C93800 is similar to C93200 but the higher lead content improves the machinability and frictional
properties. C93800 can be used in applications were lubrication may be interrupted without seizing.
Bunting also produces other high-leaded alloys including C93400, C93600, C93700, C93900, C94000,
C94100, C94300, C94400 and C94500.
WARNING: This product can expose you to chemicals including Nickel, Lead & Tetrafluoroethylene which is known to the state of California to cause cancer. Lead and Nickel which are known to the state of California to cause birth defects or other reproductive harm. For more information, go to www.p65warnings.ca.gov