ISO 11971-2008 钢和铁铸件.表面质量的外观检查

标准号：ISO 11971-2008
中文标准名称：钢和铁铸件.表面质量的外观检查
英文标准名称：Steel and iron castings - Visual examination of surface quality
标准类型：J31;H40
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：J31;H40
国际标准分类号：77.040.20;77.140.80
适用范围：1.1 This International Standard covers the acceptance criteria for the surface inspection of steel and ironcastings by visual examination.1.2 Acceptance levels utilize Bureau de Normalisation des Industries de la Fonderie (BNIF) and SteelCastings Research and Trade Association (SCRATA) reference comparators for the visual determination ofsurface roughness and surface discontinuities described as follows:-- surface roughness;-- thermal dressing;-- mechanical dressing;-- nonmetallic inclusions;-- gas porosity;-- fusion discontinuities;-- expansion discontinuities;-- metal inserts.