This standard is applicable to the inspection of the metallographic structure of eutectic lead-silicon alloys and aluminum-copper-silicon-magnesium and magnesium alloy pistons as cast or after heat treatment (aging or quenching and tempering treatment).
QC/T 553-1999 history
2008QC/T 553-2008 Metallographic examination of piston for engines of automobile and motorcycle
1999QC/T 553-1999 Metallographic Standards for Cast Aluminum Pistons of Automobile and Motorcycle Engines