A802-95 Standard Practice for Steel Castings, surface Acceptance Standards，VisualExamination

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Designation: A802-95 (Reapproved 2015) Standard Practice for Steel Castings, surface Acceptance Standards，VisualExamination11. Scope1.1 This practice covers the acceptance criteria for thesurface inspection of steel castings by visual examination. Fourlevels of acceptance standards are provided.1.2 Acceptance levels utilize Steel Castings Research andTrade Association (SCRATA)3 graded reference comparatorsfor the visual determination of surface _ texture._surfaceroughness.and surface discontinuities described as follows:Acceptance levelsA——Surface TextureB—Nonmetallic Inclusionsc Gas PorosityD—Solidification DiscontinuitiesE——Sand Expansion DiscontinuitiesF—Metal InsertsG—Thermally Cut SurfacesH——Mechanically Prepared SurfacesJ—welded Surfaces1.3 Descriptions of terms related to casting discontinuitiesare in Section 2.1.4 This standard does nor purport to address all of thesafety concernas.if cany. associated wir irs sese.It is therespovsibility of the user of this siandard to establish appro-priete safery and healrh gpractices and deternine rhe applica-bility of regulasovry limitariors prior to use.2.Terminology2.1 Definitions of Terms Specific to This Srandard:2.1.1 expansion dis

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