A269 inovhara zvese zvakasungirirwa uye zvisina musono zvekushandisa zvakajairika kana zvinoda kuramba ngura uye kushandiswa kwekupisa kwakaderera kana kwakakwira kunosanganisira 304L, 316L uye 321. A249 inosungirirwa chete uye inoshandiswa pakushandisa kupisa kwakakwirira (boiler, heat exchanger).