C67300 Manganese Bronze Material Properties

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 Compostion

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

CU(1) AL FE PB MN NI(2) SI SN ZN
Min./Max.
58.0-63.0
0.25
0.50
0.40-3.0
2.0-3.5
0.25
0.50-1.5
0.30
REM.
Nominal
60.5
1.7
2.7
31.0
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
Forgings
SAE J461, J463
Shapes
SAE J461, J463

Common Fabrication Processes

Hot Forming, Hot Pressing, Machining

Fabrication Properties

Joining Technique Suitability
Machinability
70

Mechanical Properties

(measured at room temperature, 68 F (20 C))

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