AISI 420 (S42000) Stainless Steel :: MakeItFrom.com
AISI 420 stainless steel is a martensitic stainless steel formulated for primary forming into wrought products. 420 is the AISI designation for this material. S42000 is the UNS number. Additionally, the British Standard (BS) designation is 420S29. It can have a moderately low ductility and has a moderately high electrical conductivity among ...