4J42 is simbi-nickel yakagadziriswa yekuwedzera kuwanda, inonyanya kuumbwa needare (fe) uye nickel (ni), ine nickel zvirimo zveanenge 41% kusvika pamakumi mana muzana. In addition, it also contains a small amount of trace elements such as silicon (Si), manganese (Mn), carbon (C), and phosphorus (P). Iyi yakasarudzika Chema comositi ...