Alloy Name:
JC 863
General Alloy Description:
Magnesium bronze noted for its high strength, hardness, and bearing qualities.
Covered by Specifications:
ASTM B 271, B148 Grade C86300, MIL-C-15345-6, SAE 430B
Similar to:
Nominal Chemistry:
Element
Cu
Mg
Al
Fe
Zn
Percent
63.0
3.0
6.0
3.0
25.0
Mechanical Properties :
Tensile (ksi):
Yield (ksi)
Elongation:
Reduction of area:
Hardness:
110ksi
60ksi
12%
–
229
Typical Applications:
Gears, cams, screw-down nuts, slippers, high temperature applications, and mining machine parts.
Application Profile:
Aluminum bronze gear blank
Aluminum bronze is noted for its high strength and corrosion resistance in a variety of media from seawater to synthetic lubricants. It is especially valuable for its anti-galling resistance when used in a couple with other materials such as high strength steel as in drive gear applications.
The information offered on this page is intended only to stimulate discussions on potential alloys . We can neither vouch for the accuracy nor the completeness of the information contained here-in, nor can we comment on the suitability of this particular alloy for any specific design purpose.