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C90300 (SAE 620)
Bronze Bars
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C90300 (SAE 620)
Bronze Bars
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C90300 is a “GREEN” non-leaded alloy
Tin Bronze – Navy G QQC-390B Type II and Type III
CDA 903 SAE 620 88-8-0-4 ASTM B271
Solid bars are stocked 13" increments and 105" lengths, and are available in other lengths and nonstandard 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 lengths.
Typical Properties:
(Not to be used for specification purposes.)
Copper: 86.00 – 89.00%
Tin: 7.50 – 9.00%
Lead: 0.30% max.
Zinc: 3.00 – 5.00%
Physical Properties: Centrifugal Cast
Tensile Strength PSI: 40,000 min
Yield Strength PSI: 18,000 min.
Elongation: 20% min.
Brinell Hardness (500 kg load): 70 typical
Machinability Rating: 30
Minimum Operating Temperature: -450°F
Maximum Operating Temperature: 550°F
C90300 is used for bearings, seal rings, gears, piston rings, pump impellers, steam fittings, and valve components. C90300 has good wear resistance but should be used with hardened steel shafts (300-400 HB). Due to the lack of lead, this material requires constant lubrication, generally grease.
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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
B903F040072
5
in
9
in
4.8600
in
4.8900
in
9.1100
in
9.1400
in
B903F040080
5
in
10
in
4.8600
in
4.8900
in
10.1100
in
10.1400
in
B903F040084
5
in
10 1/2
in
4.8600
in
4.8900
in
10.6100
in
10.6400
in
B903F040088
5
in
11
in
4.8600
in
4.8900
in
11.1100
in
11.1400
in
B903F040092
5
in
11 1/2
in
4.8600
in
4.8900
in
11.6100
in
11.6400
in
B903F040096
5
in
12
in
4.8600
in
4.8900
in
12.1100
in
12.1400
in
B903F040100
5
in
12 1/2
in
4.8600
in
4.8900
in
12.6100
in
12.6400
in
B903F044080
5 1/2
in
10
in
5.3600
in
5.3900
in
10.1100
in
10.1400
in
B903F044084
5 1/2
in
10 1/2
in
5.3600
in
5.3900
in
10.6100
in
10.6400
in
B903F044088
5 1/2
in
11
in
5.3600
in
5.3900
in
11.1100
in
11.1400
in
B903F044092
5 1/2
in
11 1/2
in
5.3600
in
5.3900
in
11.6100
in
11.6400
in
B903F044096
5 1/2
in
12
in
5.3600
in
5.3900
in
12.1100
in
12.1400
in
B903F044100
5 1/2
in
12 1/2
in
5.3600
in
5.3900
in
12.6100
in
12.6400
in
B903F048068
6
in
8 1/2
in
5.8600
in
5.8900
in
8.6100
in
8.6400
in
B903F048072
6
in
9
in
5.8600
in
5.8900
in
9.1100
in
9.1400
in
B903F048080
6
in
10
in
5.8600
in
5.8900
in
10.1100
in
10.1400
in
B903F048084
6
in
10 1/2
in
5.8600
in
5.8900
in
10.6100
in
10.6400
in
B903F048088
6
in
11
in
5.8600
in
5.8900
in
11.1100
in
11.1400
in
B903F048092
6
in
11 1/2
in
5.8600
in
5.8900
in
11.6100
in
11.6400
in
B903F048096
6
in
12
in
5.8600
in
5.8900
in
12.1100
in
12.1400
in
B903F048100
6
in
12 1/2
in
5.8600
in
5.8900
in
12.6100
in
12.6400
in
B903F048104
6
in
13
in
5.8600
in
5.8900
in
13.1100
in
13.1400
in
B903F048112
6
in
14
in
5.8600
in
5.8900
in
14.1100
in
14.1400
in
B903F052068
6 1/2
in
8 1/2
in
6.3600
in
6.3900
in
8.6100
in
8.6400
in
B903F052076
6 1/2
in
9 1/2
in
6.3600
in
6.3900
in
9.6100
in
9.6400
in
Results 1 - 25 of 192
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