
plating, anodizing, & finishing Q&As since 1989
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SURFACE FINISH OF ALUMINUM ALLOY PISTON
2003
WE MANUFACTURE ALUMINUM ALLOY PISTONS(12 TO 18% SILICON). AFTER HEAT TREATMENT THE CASTED SURFACE FINISH BECOMES DULL AND TENDS REFLECT DIE MARKS. WE REQUIRE SURFACE TREATMENT WHICH CAN GIVE AN EFFECT BETWEEN SHOT AND SAND BLASTING.
SANJAY GARG- AGRA, U.P., India
2003
Could use some more information like are you looking to achieve a specific RMS or just remove the discoloration? Also, volume information would be helpfully in determining the most cost effective method and/or can you afford new processing equipment.

AF Kenton
retired business owner - Hatboro, Pennsylvania

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