Iji meziwanye ụfọdụ ihe nke ígwè ma si otú ahụ nweta ụfọdụ ihe pụrụ iche na usoro mgbaze na-ama ụma tinye ihe ndị a na-akpọ alloying element. Ihe ndị a na-ejikarị alloying bụ chromium, nickel, molybdenum, tungsten, vanadium, titanium, niobium, zirconium, cobalt, silicon, ...
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