UNS S42000 , DIN 1.4021, EN X20Cr13, JIS SUS420J1,
AISI 420 stainless steel (SS420) is a straight chromium martensitic stainless steel grade with certain wear resistance, corrosion resistance and high hardness.
ASTM AISI 420 grade stainless steel (SS 420) is mostly used to manufacture parts resistant to atmospheric, water vapor, water and oxidizing acids.AISI 420 material (SS420) is used in all kinds of precision machinery, bearings, electrical equipment, instruments, meters, transportation tools, knives, scissors, household appliances, valves, valve components, plunger rods, fittings, guides, parts for chemical plants, shafts, spindles, plastic mold, pumper plunger, cutlery, gears, and rollers.
