Surface Texture, Roughness (Ra), Peak Count(Pc), and Mean Profile Spacing, (Rsm) Measurement of Metallic Coated and Uncoated Steel Sheet/Strip to be Formed and/or to be Painted
待成形和/或待涂漆的金属涂层和未涂层钢板/钢带的表面纹理、粗糙度(Ra)、峰值计数(Pc)和平均轮廓间距(Rsm)测量
SAE J911_201704 describes a method for measuring Roughness Average (Ra) and Peak Count (PC) and other variables of the surface of metallic coated and uncoated steel sheet/strip.