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

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.

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: 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: Centrifugal 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.

WARNING: This product can expose you to chemicals including Nickel, Lead & Tetrafluoroethylene which is known to the state of California to cause cancer. Lead and Nickel which are known to the state of California to cause birth defects or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
Unit of Measure
Stock Item?1 N/A Yes

Nominal Size I.D.

N/A 6 in

Nominal Size O.D.

N/A 8 1/2 in

I.D. Min

N/A 5.8600 in

I.D. Max

N/A 5.8900 in

O.D. Min

N/A 8.6100 in

O.D. Max

N/A 8.6400 in

Min. Temperature

N/A -450 ºF

Max. Temperature

N/A 400 ºF

P Value (Max.)

N/A 8000

V Value (Max.)

N/A 150

PV Value (Max.)

N/A 150000
  • 1 Minimum quantities may apply to non-stock items, please contact customer service for more information.