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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?

Nom
Size I.D

Nom
Size O.D.

I.D. Min

I.D. Max

O.D. Min

O.D. Max

B938C004008 N/A No N/A 1/2 in N/A 1 in N/A 0.4360 in N/A 0.4800 in N/A 1.0310 in N/A 1.0410 in
B938C006010 N/A No N/A 3/4 in N/A 1 1/4 in N/A 0.6860 in N/A 0.7300 in N/A 1.2810 in N/A 1.2910 in
B938C008012 N/A No N/A 1 in N/A 1 1/2 in N/A 0.9360 in N/A 0.9800 in N/A 1.5310 in N/A 1.5410 in
B938C008016 N/A No N/A 1 in N/A 2 in N/A 0.9360 in N/A 0.9800 in N/A 2.0340 in N/A 2.0440 in
B938C012016 N/A No N/A 1 1/2 in N/A 2 in N/A 1.4360 in N/A 1.4800 in N/A 2.0340 in N/A 2.0440 in
B938C012020 N/A No N/A 1 1/2 in N/A 2 1/2 in N/A 1.4360 in N/A 1.4800 in N/A 2.5340 in N/A 2.5440 in
B938C016020 N/A No N/A 2 in N/A 2 1/2 in N/A 1.9360 in N/A 1.9800 in N/A 2.5340 in N/A 2.5440 in
B938C016024 N/A No N/A 2 in N/A 3 in N/A 1.9360 in N/A 1.9800 in N/A 3.0340 in N/A 3.0440 in
B938C020024 N/A No N/A 2 1/2 in N/A 3 in N/A 2.4360 in N/A 2.4800 in N/A 3.0340 in N/A 3.0440 in
B938C020028 N/A No N/A 2 1/2 in N/A 3 1/2 in N/A 2.4360 in N/A 2.4800 in N/A 3.5340 in N/A 3.5440 in
B938C024028 N/A No N/A 3 in N/A 3 1/2 in N/A 2.9360 in N/A 2.9800 in N/A 3.5340 in N/A 3.5440 in
B938C024032 N/A No N/A 3 in N/A 4 in N/A 2.8910 in N/A 2.9530 in N/A 4.0550 in N/A 4.0710 in
B938C028032 N/A No N/A 3 1/2 in N/A 4 in N/A 3.3910 in N/A 3.4530 in N/A 4.0550 in N/A 4.0710 in
B938C028036 N/A No N/A 3 1/2 in N/A 4 1/2 in N/A 3.3910 in N/A 3.4530 in N/A 4.5550 in N/A 4.5710 in
B938C032036 N/A No N/A 4 in N/A 4 1/2 in N/A 3.8910 in N/A 3.9530 in N/A 4.5550 in N/A 4.5710 in
B938C032040 N/A No N/A 4 in N/A 5 in N/A 3.8910 in N/A 3.9530 in N/A 5.0550 in N/A 5.0710 in
B938C034042 N/A No N/A 4 1/4 in N/A 5 1/4 in N/A 4.0920 in N/A 4.1880 in N/A 5.3280 in N/A 5.3600 in
B938C036044 N/A No N/A 4 1/2 in N/A 5 1/2 in N/A 4.3420 in N/A 4.4380 in N/A 5.5780 in N/A 5.6100 in
B938C040048 N/A No N/A 5 in N/A 6 in N/A 4.8420 in N/A 4.9380 in N/A 6.0780 in N/A 6.1100 in
1 - 19 of 19 | Results Per Page | View | Unit of Measure
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