Standard Practice for Investment Castings, Surface Acceptance Standards, Visual Examination
NORMA vydána dne 1.3.2023
Označení normy: ASTM A997/A997M-23
Datum vydání normy: 1.3.2023
Počet stran: 2
Přibližná hmotnost: 6 g (0.01 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
This practice covers the acceptance criteria for surface inspection of investment castings through visual examination. The material shall conform to Levels II, III, and IV acceptance criteria for features of surface pits, positive metal, parting line and ejector pin marks, gate height, and surface roughness. The material shall be free of any linear discontinuity.
Keywords:
ICS Number Code 77.040.20 (Non-destructive testing of metals)