Muna samar da ingancin alloy 20 kusoshi zuwa Astm \ / asme \ / Dabbar da Bayani. Alloy 20, wanda kuma aka sani da "Kafinta 20" da "20cb-3", shine Nickoy-Molybdenum bakin karfe Alloy da aka tsara don aikace-aikacen sulfuric. Corroson jure da kanta ta da kanta ga sauran amfani a cikin sinadarai, abinci, magunguna na masana'antu. Daya daga cikin manyan dalilan da alloy 20 mafi ɗaure da aka saba da su, da kuma abun tagulla na tagulla yana kare ta daga sulfurucic acid.