標準號：ISO 11971-2008
中文標準名稱：鋼和鐵鑄件.表面質量的外觀檢查
英文標準名稱：Steel and iron castings - Visual examination of surface quality
標準類型：J31;H40
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：J31;H40
國際標準分類號：77.040.20;77.140.80
適用范圍：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.