Alloy Guide Main Page

Bronze Alloys

Alloy Name Related General Alloy Description Typical Applications
JC 863 ASTM B 271, B148 Grade C86300, MIL-C-15345-6, SAE 430B Magnesium Bronze. Gears, cams, stripper nuts, slippers, high temperature and mining equipment.
JC 952 ASTM B 271-952 Alpha Aluminum Bronze. Gun mountings and slides, landing gear parts, pickling tank and mild Alkali apps., and marine engine and propeller.
JC 953 ASTM B 271 Grade C95300 and C95300HT; ASTM B148 Grade C95300 A low Iron Heat Treatable Aluminum Bronze. Gears, cams, stripper nuts, slippers, high temperature and mining equipment.
JC 954 ASTM B271 Grades C95400 and C95400HT; JC 953, JC 95410, and ASTM B148 Grade C95400, AMS 4870C A Heat Treatable Aluminum Bronze. Spur and low-speed heavily loaded worm gears and bushings for crusher and wear applications; adjusting nuts, pump, and landing gear parts.
JC 955 ASTM B 271 Grade C95500; ASTM B 148 Grade C95500, AMS 4880, MIL-C-15345-14 A Heat Treatable Nickel Aluminum Bronze. Bushing and bearing applications in extreme pressure and corrosive environments, lock, dam, bridge, and surge hinge and pintle bushings and bearings.
JC 958 ASTM B 271 Grade C95800; ASTM B 148 Grade C95800, MIL-B-24480, MIL-C-15345-28, ABS-4 A Heat Treatable Nickel Aluminum Bronze. Propeller, hub, and other parts for marine applications; bushings and bearings for lock, dam, and bridge applications, and valve and pump components.
JC 907 ASTM B 271 and ASTM B 427 Grade C90700; JC 908, SAE 65 A Tin Bronze, Copper-Tin. Worm wheels or gears, bearings for heavy loads and relatively low speed.
JC 908 ASTM B 271 and ASTM B 427 Grade C90800; JC 907, AGMA CL A A Tin Bronze, Copper-Tin. Worm wheels or gears, bearings for heavy loads and relatively low speed. Good corrosion resistance.
JC 916 AST|M B 271 and ASTM B 427 Grade 916, MIL-C-15345-23; JC 917 A Nickel Gear Bronze, Copper-Tin-Nickel. Worm wheels or gears, bearings for heavy loads and relatively low speed. Good corrosion resistance.
JC 917 ASTM B 271 and ASTM B 427 Grade C91700; JC 916, AGMA CL B A Nickel Gear Bronze, Copper-Tin-Nickel. A variety of gear design applications.
JC 925 ASTM B 271 and ASTM B 427 Grade C92500; JC 907 A Leaded Tin Bronze Copper-Tin-Lead. Gear and bearing and other metal-metal sliding contact rings.
JC 929 ASTM B 271 and B 427 Grade C92900; JC 925 A readily machinable Copper-Tin-Lead-Nickel. Wide applications from gears, wear plates and guides, to piston rings and pump components.
JC 05 JB 05; ASTM B271, B584 Grades C973, C976 and specific turbine customer specifications. Nickel-Silver. Packing and labyrinth seal rings for steam and natural gas power turbines.

This list is only a sample of the alloys that we offer.  As a custom alloy producer we have the ability to formulate an unlimited variety of grades, variations of grades and indeed totally custom, specific grades to your own specification. Please contact sales@johnsoncentrifugal.com for details.


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P.O. Box 219 - Saukville, WI 53080
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