I-550MPa izinga lokushisa eliphansi lensimbi yensimbi yohlobo lwe-flux cored wire, ene-deposition ephezulu, cishe ayikho i-slag, ilungele amabhuloho, amachweba, imishini, ukwakhiwa kwemikhumbi, amapulatifomu asogwini nokunye ukushisela.
Ingxenye eyinhloko yizinga le-1.25Cr-0.5Mo, i-550MPa, ithuthukisa okuqukethwe kwe-Mn, futhi ifanele izindonga zamanzi esiteshini samandla, amapayipi esitimu, imikhumbi enengcindezi ephezulu, njll.