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B04
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B04
Bronze Bars
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B04 is a “GREEN” non-leaded alloy
Copper-Bismuth Bronze C89835 Federalloy III (932 Version)
Bunting continuous cast bronze bars of B04 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: 85.00 – 89.00%
Tin: 6.00 – 7.50%
Lead: 0.10% max.
Zinc: 2.00 – 4.00%
Nickel: 0.50 – 1.00%
Bismuth: 1.70 – 2.70%
Physical Properties: Continuous Cast
Tensile Strength, PSI:30,000 min.
Yield Strength, PSI:14,000 min.
Elongation:12% min.
Machinability Rating:70.
Minimum Operating Temperature:-450°F.
Maximum Operating Temperature:500°F.
B04 is used as a no-lead replacement for C93200 material where lead-free material is required. Properties are similar to the C93200 material however; bismuth does not lubricate as well as lead so a constant supply of lubrication is recommended when using this material. Bunting also produces lead-free materials that replace C83600, C84400, C93700, C93800 and C94500 with bismuth alloys.
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Results 1 - 18 of 18
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Item #
Nominal Size I.D.
Nominal Size O.D.
I.D. Min
I.D. Max
O.D. Min
O.D. Max
BB04C004008
1/2
in
1
in
0.4360
in
0.4800
in
1.0310
in
1.0410
in
BB04C006010
3/4
in
1 1/4
in
0.6860
in
0.7300
in
1.2810
in
1.2910
in
BB04C008012
1
in
1 1/2
in
0.9360
in
0.9800
in
1.5310
in
1.5410
in
BB04C008016
1
in
2
in
0.9360
in
0.9800
in
2.0340
in
2.0440
in
BB04C012016
1 1/2
in
2
in
1.4360
in
1.4800
in
2.0340
in
2.0440
in
BB04C012020
1 1/2
in
2 1/2
in
1.4360
in
1.4800
in
2.5340
in
2.5440
in
BB04C016020
2
in
2 1/2
in
1.9360
in
1.9800
in
2.5340
in
2.5440
in
BB04C016024
2
in
3
in
1.9360
in
1.9800
in
3.0340
in
3.0440
in
BB04C020024
2 1/2
in
3
in
2.4360
in
2.4800
in
3.0340
in
3.0440
in
BB04C020028
2 1/2
in
3 1/2
in
2.4360
in
2.4800
in
3.5340
in
3.5440
in
BB04C024028
3
in
3 1/2
in
2.9360
in
2.9800
in
3.5340
in
3.5440
in
BB04C024032
3
in
4
in
2.8910
in
2.9530
in
4.0550
in
4.0710
in
BB04C028032
3 1/2
in
4
in
3.3910
in
3.4530
in
4.0550
in
4.0710
in
BB04C028036
3 1/2
in
4 1/2
in
3.3910
in
3.4530
in
4.5550
in
4.5710
in
BB04C032036
4
in
4 1/2
in
3.8910
in
3.9530
in
4.5550
in
4.5710
in
BB04C032040
4
in
5
in
3.8910
in
3.9530
in
5.0550
in
5.0710
in
BB04C036044
4 1/2
in
5 1/2
in
4.3420
in
4.4380
in
5.5780
in
5.6100
in
BB04C040048
5
in
6
in
4.8420
in
4.9380
in
6.0780
in
6.1100
in
Results 1 - 18 of 18
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