Manganese Bronze AMS 4862 (UNS C86300)

Technical Data Sheet

Chemical Composition Limits
Weight % Cu Al Fe Pb Mn Ni Sn Zn
AMS 4862
60.0 - 66.0 5.0-7.5 2.0-4.0 0.20 2.5-5.0 1.0 0.20 22.0-28.0

Manganese Bronze AMS 4862 is a cast manganese bronze, has outstanding mechanical properties to withstand the most rigorous industrial requirements. Its high strength and corrosion resistance make it ideal for heavy-duty construction.

Typical Mechanical Properties


Tensile Strength ksi

Yield Strength ksi Elongation 4D % Hardness HB
AMS 4862 Castings 110 60 12 217-269

Physical Properties AMS 4862
Manganese Bronze
Melting Point - Liquidus - 1693 F
Melting Point - Solidus - 1625 F
Density - 0.283 lb/in 3 at 68 F
Specific Gravity - 7.83
Electrical Resistivity - 130.8 ohms-cmil/ft @ 68 F
Electrical Conductivity - 8 %IACS @ 68 F
Thermal Conductivity - 20.5 Btu · ft/(hr · ft2· o F)at 68F
Coefficient of Thermal Expansion - 12.0 ·10 -6 per o F (68-572 F)
Specific Heat Capacity - 0.09 Btu/lb/o F at 68 F
Modulus of Elasticity in Tension - 14200 ksi
Machinability Rating - 8%

Manganese Bronze is available in
HOLLOW BAR (Continuous Cast) . . . 1" x 2" I.D. thru 10" x 12" O.D.
SOLID BAR - 3/4" - 16" diameter
WEAR PLATE - 3/8" - 4" thick thru 12" wide .
For all other stock availability contact Sales.


ASTM B-505
AMS 4862
ASTM B-271
SAE J461
SAE J462
UNS C86300

Typical Uses of Manganese Bronze AMS 4862
Oil & Gas - Bearings, Wear Bushings, Pump Impellers, Lineage Bushings,Valve Guides & Seats, Worm Gears
Aerospace - Heavy Load Bearings & Bushings, Screw Down Nuts, Hydraulic, Cylindrical Parts
Automotive - Cams, Transmission Parts, Connector Rods, Builders Hardware, Brackets
Electrical - Electrical Components, Switches
Fasteners - Screw Down Nuts
Other Industrial - Hydraulic Cylinder Parts, Large Valve Stems, Bushings, Hooks,Cams, Gib, Gears, Slow Speed Heavy Load Bearings, Wear Rings, Forming Dies for Wood Pulp Industry, Struts, High Strength Machine Parts, Frames, Propellers, Bridge Pins, Hold Down Nuts for the Machine Tool Industry, Heavy Duty Off-Highway Vehicles
Marine - Marine Hardware, Boat Parts, Covers for Marine Hardware, Rudders, Clamps, Prop Shaft Nuts

At Aircraft Materials we specialise in the rapid turn-around of orders, with most stock items ready for shipping out the same day to anywhere in the world. For time-critical orders, such as AOGs use our AOG service desk (, the team are dedicated to processing and dispatching orders on the same day, even for cutting orders on bar and sheet products.

Our expertise in global logistics enables us to source material from anywhere in the world in a matter of days and provide fast shipping solutions to all our customers, whichever country they are in. We use a range of transport partners to ship overnight within the UK and Europe, and offer a full range of logistics solutions from priority express services to more cost-effective economy shipments all around the globe. To find out more about our services click here.

Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.