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C86300 (SAE 430B) Manganese Bronze Bars

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C86300 Manganese Bronze is a non-lead “GREEN” Alloy
Manganese Bronze CDA 863
SAE 430B
ASTM B505

Manganese bronze is a very hard and strong bronze. Good applications include heavy earth moving equipment, roll neck bearings, and machine tool bearings.

Solid and cored bars are stocked in 13" increments and 144" 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: 60.00 – 66.00%
Zinc: 22.00 – 28.00%
Iron: 2.00 – 4.00%
Aluminum: 5.00 – 7.50%
Manganese: 2.50 – 5.00%

Physical Properties: Continuous Cast
Tensile Strength, PSI: 110,000 min.
Yield Strength, PSI: 62,000 min.
Elongation: 14% min.
Brinell Hardness (3000 kg load): 225 typical
Machinability Rating: 80
Minimum Operating Temperature: -450°F
Maximum Operating Temperature: 400°F

C86300 Aluminum bronze is used for low speed, and very high load bearing applications. C86300 requires hardened steel shafts and constant lubrication of grease, graphite or molybdenum-disulfide. Bunting also produces other Manganese Bronzes including C86200, C86400, C86500 and C86700.





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Item #

Nominal Size I.D.

Nominal Size O.D.

O.D. Min

O.D. Max

B863S000008 SOLID 1 in 1.0550 in 1.0750 in
B863S000012 SOLID 1 1/2 in 1.5550 in 1.5750 in
B863S000016 SOLID 2 in 2.0550 in 2.0750 in
B863S000020 SOLID 2 1/2 in 2.5550 in 2.5750 in
B863S000024 SOLID 3 in 3.0550 in 3.0750 in
B863S000028 SOLID 3 1/2 in 3.5750 in 3.6050 in
B863S000032 SOLID 4 in 4.0750 in 4.1050 in
B863S000036 SOLID 4 1/2 in 4.5750 in 4.6050 in
B863S000040 SOLID 5 in 5.1050 in 5.1450 in
B863S000048 SOLID 6 in 6.1050 in 6.1450 in
B863S000052 SOLID 6 1/2 in 6.6000 in 6.6500 in
B863S000056 SOLID 7 in 7.1000 in 7.1500 in
B863S000060 SOLID 7 1/2 in 7.6000 in 7.6500 in
B863S000064 SOLID 8 in 8.1000 in 8.1500 in
  Results 1 - 14 of 14 1