... :HSS Circular Saw Blade,Slitting Cutter, Small Saw Blade,Cold Saw Blade,Circular Saw Blade,Thin Saw,Alloy Saw Blade,Side And Face ... common surface treatment for circular saw blades. The steam treatment creates a hard oxide layer on the blade and is the simplest “coating” available. ... material. This is applied to cut nonferrous pipe, profile and heavy metal solid bar. Usually, A or B is used for CUTTER ...