Amapayipi ensimbi angenamthungo asetshenziswa kabanzi emaphangeni aphakathi nendawo aphansi afudumele, ama-Casings, amashubhu ama-boiler, imboni yamafutha, izimoto, izimayini, izimayini, izimayini, ama-aerospace, ama-motors ezokuvikela. Insimbi ye-P91 Alloy isetshenziswa ikakhulukazi embonini yamandla. Ezakhiweni ezinama-welded, i-asme boiler ne-Pressure Vessel Code kukhawulela okuqukethwe kwekhabhoni kungaphansi kuka-0.35%. I-Alloy Steel ilungele izinhlelo zokusebenza ezidinga amandla aphezulu, ukuqina okuqinile noma okungcono kokuphefumula kunamabanga ajwayelekile e-carbon.