SANS 8501-3-2008 涂覆油漆和有关产品前钢材底基预处理.表面清洁度目测评估.第3部分:焊接、边缘及其它有表面缺陷的区域的准备等级
Preparation of steel substrates before application of paints and related products - Visual assessment of surface cleanliness Part 3: Preparation grades of welds, edges and other areas with surface imperfections
Describes preparation grades of welds, edges and other areas on steel surfaces with imperfections. Such imperfections can become visible before and/or after an abrasive blast-cleaning process.The preparation grades given in this standard are to make stee