标准摘要
[中文适用范围]： 适用于钢铸件和铁铸件的表面质量视觉检测，涵盖表面粗糙度、热处理、机械加工、非金属夹杂、气孔、熔合不连续性和膨胀不连续性等方面的 acceptance criteria。 [外文原描述]： 1.1 This document covers the acceptance criteria for the visual testing of the surface of steel and iron castings. 1.2 Acceptance levels utilize Bureau de Normalisation des Industries de la Fonderie (BNIF) and Steel Castings Research and Trade Association (SCRATA) or Casting Technology International (CTI) reference comparators for the visual determination of surface roughness and surface discontinuities described as follows: — surface roughness; — thermal dressing; — mechanical dressing; — non-metallic inclusions; — gas porosity; — fusion discontinuities; — expansion discontinuities; — metal inserts.
英文名称Steel and iron castings — Visual testing of surface quality