... 5mm--25.4mm, 1/4",3/16",5/32",1/8",7/32",5/16",7/8",1",etc3. Grade: ... then in wooden case packing4,250kg/ steel drum packing 5, according to customers' requirementChemical Composition: AISI NumberC%Si% ... stainless steelAISI 3160.07 Max1.00 Max2.00 Max16.5~ 18.510.5~ 13.52.00~ 2.500.045 Max0. ... than SS440AISI 4300.08 Max1.00 Max1.00 Max15.5~ 17.50.045 Max0.03 MaxFerritic stainless steel,better corrosion ...