I-Zhengzhou Huitong Pipeline Equipment Co, Ltd.
Okuqukethwe kwe-chromium kupayipi le-A335 P9 kwenza ukuthi imelane kakhulu nokugqwala. Ngakho-ke, i-A335 P9 inokumelana kahle nokushisa okuphezulu okuphezulu koxidation. Ngaphezu kwe-Chrome, ASTM A335 P9 ALLOY PIPE PIPE nge-Black Paint noma uwoyela wokulwa nokukhulisa ukhombisa ukumelana okuhle kokugqwala. Kungahle kube nge-gallvanised nge-zinc. IGalvanizing yandisa ukumelana kwayo ekugcekeni komkhathi.
Ekhuluma ngokuqinile, yonke insimbi iyi-alloy, kepha hhayi yonke insimbi ebizwa ngokuthi "ama-alloy steel". Ama-steel elula kakhulu yi-iron (FE) ahlanganiswe nge-carbon (c) (cishe ngo-0,1% kuya ku-1%, kuya ngohlobo) futhi akukho okunye (ngaphandle kokulandela okungalungile ngokungcola okuncane); Lokhu kubizwa ngokuthi ama-carbon sten. Kodwa-ke, igama elithi "i-alloy lensimbi" liyisikhathi esijwayelekile esibhekisa kuma-steel Ama-alloyants ajwayelekile afaka i-manganese (okuvame kakhulu), i-nickel, i-chromium, i-molybdenum, i-begadium, i-silico, ne-boron. Ama-alloya ajwayelekile ajwayelekile afaka i-aluminium, i-cobalt, yethusi, i-cersium, i-niobium, i-titanium, i-tungsten, uthini, i-zinc, ukuhola, ne-zirconium.
I-ASTM A335 P5 Pipe ingafakwa ngokuphelele noma i-ISORTROMPLE I-ANTELWESTION, ijwayelekile futhi yathuthumela njengezindlela zokushisa ukwandisa ubulukhuni. Leli banga litholakala epayipi elingenamthungo futhi elingenamthungo, ipayipi le-welded le-a335 le-a335 liyatholakala kubukhulu obuhlukahlukene odongeni namadayimitha.