C67300 Manganese Bronze

The following data is provided for informational purposes only. It was provided with permission by the Copper Development Association at www.copper.org.

Last Update: Sep 29, 2005

Chemical Composition (%max., unless shown as range or min.)

Cu(1) Al Fe Pb Mn Ni(2) Si Sn Zn
Min./Max. 58.0–63.0 .25 .50 .40–3.0 2.0–3.5 .25 .50–1.5 .30 Rem.
Nominal 60.5 1.7 2.7 1.0 34.1

1) Cu value includes Ag.
(2) Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.5% min.

Applicable Specifications

Product Specification
Bar SAE J461, J463
Forgings SAE J461, J463
Rod SAE J461, J463
Shapes SAE J461, J463

Common Fabrication Processes
Hot Forming, Hot Pressing, Machining

Fabrication Properties

Joining Technique Suitability
Machinability Rating 70

Mechanical Properties (measured at room temperature, 68 F (20 C))
No information available.

Physical Properties
No information available.

Tempers Most Commonly Used
No information available.

Typical Uses

Fasteners Fasteners, Lead Screw Nuts

Industrial Gears and Cams, Wear Plates, Bushings, Seal Rings, Idler Pins, Piston Heads, Bearing Pins, Thrust Bearings, Sleeve Bearings, Propeller Shafts, Shaft Bushings, Clutch Bearings, Drive Shafts, Spindles, Pump Parts, Bearings

Marine Hardware, Valve Seats

Other Connecting Rods