Alloy Guide Main Page

High Copper Alloys

Alloy Name Related General Alloy Description Typical Applications
JC C81100 C11000 A pure Copper of limited strength used for high electrical and thermal conductivity applications. Mold liners for continuous and billet casting, high conductivity rotors, and cryogenic applications.
JC C81500 MIL-C-19310A A precipitation hardenable Chromium Copper of moderate strength. Mold liners for continuous and billet casting, high conductivity rotors, and cryogenic applications.
JC 81540 C18000 A high strength precipitation hardenable Chromium-Nickel-Silicon-Copper. Cooling molds for plastic parts, continuous casting dies, and melt spinning rolls.
JC 70-30 ASTM B369 Grade C96400, MIL-C-20159; 70-30 Copper-Nickel A Copper-Nickel exhibiting good strength and excellent seawater corrosion resistance. Pump, valve, and bearing sleeve components especially in seawater environments.
JC 90-10 ASTM B369 Grade C96200, MIL-C-20159; 90-10 Copper-Nickel A Copper-Nickel exhibiting good strength and excellent seawater corrosion resistance. Pump, valve, and bearing sleeve components especially in seawater environments.

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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270 N. Mill Street
P.O. Box 219 - Saukville, WI 53080
Phone: 262-377-9440 Fax: 262-284-7066