涂覆涂料前钢材表面处理 喷射清理后的钢材表面粗糙度特性 第4部分:ISO表面粗糙度比较样块的校准和表面粗糙度的测定方法 触针法
Preparation of steel substrates before application of paints and related products - Surface roughness characteristics of blast-cleaned substrates - Part 4: Method for the calibration of ISO surface profile comparator and for the determination of surface profi - Stylus instrument procedure