Ua hoʻohana nuiʻiaʻo Aly i nā kīwī samilss i hoʻohana nuiʻia ma waena o nā'ōnaehana momona, nā hana kūlohelohe, nā kaʻaila, nā kaʻaahi, Ua hoʻohana nuiʻiaʻo P91 andal Steel i kaʻoihana mana. No nā mea kanuʻole, ua palena ka pākī Asme pīpī a me ka pā'ālua code pā'ālua i nāʻikepili i ka kalaiwa a emi ma lalo o 0.35%. He kūpono nā mea hoʻokūkū hoʻohui no nā noi e pono ai ka ikaika kiʻekiʻe, tougher aʻoi aku paha e pale i ka paleʻana i nā coal coal maʻamau.