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High-Leaded Tin Bronze
CDA 938
SAE 67 78-7-15
ASTM B505

Bunting continuous cast bronze bars of C93800 give superior quality and performance. Continuous casting achieves a high density grain structure, free of porosity, resulting in a reduction of tool wear and component rejects.

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.

Typical Properties: (Not to be used for specification purposes.)
Copper 75.00 – 79.00%
Tin 6.30 – 7.50%
Lead 13.00 – 16.00%
Physical Properties: Continuous Cast
Tensile Strength PSI: 25,000 min.
Yield Strength: PSI: 16,000 min.
Elongation: 5% 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.
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Item #

Stock
Item?

Nominal Size I.D.

Nom
Size O.D.

O.D. Min

O.D. Max

B938S000008 N/A Yes N/A SOLID N/A 1 in N/A 1.0310 in N/A 1.0410 in
B938S000012 N/A No N/A SOLID N/A 1 1/2 in N/A 1.5310 in N/A 1.5410 in
B938S000016 N/A Yes N/A SOLID N/A 2 in N/A 2.0340 in N/A 2.0440 in
B938S000020 N/A No N/A SOLID N/A 2 1/2 in N/A 2.5340 in N/A 2.5440 in
B938S000024 N/A Yes N/A SOLID N/A 3 in N/A 3.0340 in N/A 3.0440 in
B938S000028 N/A No N/A SOLID N/A 3 1/2 in N/A 3.5340 in N/A 3.5440 in
B938S000032 N/A Yes N/A SOLID N/A 4 in N/A 4.0550 in N/A 4.0710 in
B938S000036 N/A Yes N/A SOLID N/A 4 1/2 in N/A 4.5550 in N/A 4.5710 in
B938S000040 N/A Yes N/A SOLID N/A 5 in N/A 5.0550 in N/A 5.0710 in
B938S000048 N/A Yes N/A SOLID N/A 6 in N/A 6.0780 in N/A 6.1100 in
B938S000064 N/A Yes N/A SOLID N/A 8 in N/A 8.0780 in N/A 8.1100 in
B938S000080 N/A Yes N/A SOLID N/A 10 in N/A 10.0780 in N/A 10.1340 in
1 - 12 of 12 | Results Per Page | View | Unit of Measure
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