1: Dumama Ga Hastelloy B-2 alloys, yana da matukar mahimmanci don kiyaye farfajiyar tsabta kuma ba tare da gurbatawa ba kafin da lokacin dumama. Hastelloy B-2 ya zama gaggautsa idan aka yi zafi a cikin wani yanayi mai ɗauke da sulfur, phosphorus, gubar, ko sauran gurɓataccen ƙarfe mai ƙarancin narkewa.
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