302 Stainless Steel | Next Generation Metals Inc.
302 Stainless Steel . ... This decreases the corrosion resistance of grade 303 stainless steel to less than that for 304. However corrosion resistance remains good in mild environments. ... grind and polish. 420F is a general purpose free machining version of 420 Stainless. Specifications: UNS S42020, AISI 420F, AMS 5620, ASTM A-582, QQ-S …