1989-11-01

A New PM Valve Guide for Higher Performance 891289

Fe-Cu-Sn-Cr-P-C PM valve guide has, been developed for higher performance engine application. 1% Cr was proved to be enough to provide superior wear resistance to cast iron. Loss in machinability with the addition of Cr can be compensated by controlling micro-structure and adding MnS.

SAE MOBILUS

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