Visual examination of surface quality of steel castings
This International Standard covers the acceptance criteria for the surface inspection of steel castings by visual examination.
Acceptance levels utilize Bureau de Normalisation des Industries de la Fonderie (BNIF)1) and Steel Castings Research and Trade Association (SCRATA)2) reference comparators for the visual determination of surface roughness, and surface discontinuities described as follows:
surface roughness
thermal dressing
mechanical dressing
nonmetallic inclusions
gas porosity
fusion discontinuities
expansion discontinuities
metal inserts
Description of terms related to casting discontinuities are given in annex A.
1) BNIF reference comparators may be purchased from: Editions Techniques des Industries de la Fonderie, 44, avenue de la Division Leclerc, 92310 Sevres Cedex, BP 78, France or from Steel Founders' Society of America, 455 State street, Des Plaines, IL 60016, USA.
2) SCRATA reference comparators may be purchased from: Castings Development Centre, 7 East Bank Road, Sheffield, S2 3PT, United Kingdom, or from Steel Founders' Society of America, 455 State street, Des Plaines, IL 60016, USA.
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CONTENT PROVIDER International Organization for Standardization [iso]
We have no amendments or corrections for this standard.
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