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Ukuqulunqwa kwe-A335 P91 P91 iqulethe, Manganese, Sulfur, i-Silicon, i-Mybdenum, i-Niobium, i-Niobium, iTitanium kunye ne-zirconium. Zimbini iintlobo zemibhobho engaqhelekanga kunye nemibhobho ye-wellded. I-ping engenamthungo itsalwa kwi-Billet enye ye-Billet, ngelixa i-ASTM A335 GR91 phuted piped i-Weld okanye i-Strip. I-welding inokuba iphikise okanye inde ukusuka kwelinye icala ukuya kwelinye ukuvelisa ityhubhu. Ubuncinci besivuno sombhobho yi-415MPA kunye namandla amancinci angama-585MPA.
Kwizicelo apho uxinzelelo oluphezulu luyimfuneko, ukusetyenziswa kwemibhobho engenamthungo kubalulekile. Nangona yomelele kunokwenza umbhobho we-welding, iindleko ziphezulu kakhulu. Ukongeza, kwiimveliso ze-wellded, kukho umngcipheko omkhulu wokukhutshelwa okungapheliyo kwimimandla echaphazelekileyo yobushushu. Umahluko ocacileyo phakathi kwe-Alloty Steed Steed Peed kunye nemveliso engenamthungo yiphenyane elinqamlezileyo ecaleni lombhobho
I-Allow Steel Steel All K1222 imirhubhe ejikelezileyo isetyenziswa ngamashishini amaninzi okwenza iintlobo ezahlukeneyo zezinto. Sinikezela ngoluhlu olupheleleyo lwentsimbi ye-lotty ye-15mo3 emiselweyo esetyenziswa ngokubanzi kubunjineli, ukwakhiwa kunye namanye amashishini.