STANDARD - ASTM, ASME & API etc as well SHEET - Thickness range from .008 to .012 PLATE - Thickness range from 0.125 to 5.00 SIZE - 15NB to 150NB HARDNESS - Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc FORM - Coils, Foils, Rolls, Strip, Flats, Blank (CIRCLE), Ring (Flange) etc