• Product Code: ISO 8501 Surface Standards

ISO Rust Grade Book specifies Rust Grades and Preparation Grades of blast-cleaned steel.The Rust Book Grades are defined by written descriptions together with photographs.The Rust Grade Book identifies four levels (designated as Rust Grades) of mill scale and rust that are commonly found on surfaces of uncoated erected steel and steel held in stock.  The Rust Grade Book also identifies certai.