Ezi ntsimbi zingenasithuli-mbi ezingama-304 zilungele i-welding njengoko inomxholo wekhabhoni esezantsi kune-301 ukuya kwi-303 uthotho lokwabela ama-303 uthotho lokuphepha ukuhambisa i-carbide kwizicelo ze-carbide. Izixhobo ezikwikhemikhali, ukutya, iphepha, imigodi, amayeza e-Petroleum kunye ne-Petroleum zihlala zibandakanya i-304 yentsimbi ye-Weld. Ukongezwa kwe-molybdenum kunye nomxholo we-nickel kancinane owenza inyibiliki yentsimbi ilungele ukusetyenziswa kwezicelo zokwakha kwiindawo ezinemimandla engcolileyo, ukusuka kwindalo yaselwandle engcolisekileyo kwiindawo ezineqondo elingaphantsi kwe-zero.