... ,chemical industry,plastic hard ware,scent bottle sprayer,valve,nail polish,air condition,medical material,automotive fittings ... .045 max0.03 max10.0-14.016.5-18.52.00-2.50AISI420C0.40-0.501.0 ... max0.04 max0.03 max0.60 max16.0-18.00.40-0.80Appications:440C Stainless steel is ... being used in rolling element bearings, valve seats, casters, ball bearings and valve parts.420C is a martensitic stainless steel ...