I-Butt Weld Pipe Fittings
Le nsimbi engenasisekelo yensimbi eyindilinga iyinsimbi yobudala elwa nobudala obungenacala elihlanganisa amandla aphezulu ngokumelana nokugqwala kwensimbi engenasici. I-Harning itholakala ngokwelashwa okushisa okuphansi, okulula okuphansi. Ngokungafani ne-Metnsitic Stendants Steel.
Imvamisa esetshenziswa ebangeni lokushisa le-800-1500¡ãf, leli banga lizinza ngokungezwa kwe-niobium ukuzenzisa ukuhanjiswa kwezulu kwe-chromium, okuholela ekuvumeni kwezulu kwe-niobium. Ngemuva kokuchayeka ebangeni lokushisa le-800-1500¡ãf, uhlobo 347 lumelana kakhulu nokugqwala kokugqwala, leli banga limelana ne-oxidation kuze kube ngu-1500¡ Esimweni esivezwayo, futhi inezinkinga ezinhle zokushisa eziphansi futhi ayizibuthe. Ngasikhathi sinye, thayipha ama-347 aqiniswe nge-columbium futhi alungele kakhulu izindawo zokushisa ezinamanzi futhi aphansi ngenxa yokumelana kwayo okuhle ekugculiseni kolunye uhlangothi. Bobabili abangama-347 no-321 bamelana nokuphikiswa okuhle kokugqwayiza kwe-polythionate ukuxabana okuhlangenwe nakho okuhlangenwe nakho kokuhlanjululwa. Ukumelana nokushisa okungama-oxidation okuphezulu kwe-347 kuyafana nalokho kwensimbi engama-304 engenasici.