Sumul gami karfe bututu stockSaukewa: ASTM A335P91, sumul karfe bututu amfani da tukunyar jirgi tubes, zafi Exchanger tubes da sauran masana'antu, za a iya amfani da a matsayin karfe bututu don high-zazzabi superheaters da reheaters a subcritical da supercritical tukunyar jirgi tare da bango yanayin zafi ≤625 ° C, kazalika da bango High-zazzabi headers. da kuma bututun tururi tare da yanayin zafi ≤600 ℃ kuma za a iya amfani da su azaman makaman nukiliya da masu musayar wuta da man fetur. fasa naúrar tanderun bututu.
ASTM A335 P91 karfe ne mai zafi mai zafi wanda shine ƙaramin allo chromium-molybdenum karfe. Ana amfani da shi sosai a cikin bututun mai da kayan aiki a ƙarƙashin yanayin zafi da matsanancin yanayi, kamar su petrochemical, wutar lantarki, tashoshin makamashin nukiliya da sauran fannoni. Babban abubuwan da ke cikin wannan kayan sune chromium, molybdenum, jan karfe, manganese, silicon, phosphorus, sulfur da sauran abubuwa. Abubuwan da ke cikin chromium da molybdenum yana da girma sosai, wanda zai iya inganta yanayin zafi mai zafi da juriya na oxidation na kayan.
Kayan ASTM A335 P91 yana da kyawawan kaddarorin inji kuma har yanzu yana iya kula da kyakkyawan ƙarfi da tauri a ƙarƙashin babban zafin jiki da yanayin matsa lamba. Har ila yau, kayan yana da matukar tsayayya ga iskar shaka, wanda zai iya inganta rayuwar sabis na bututu da kayan aiki. Bugu da kari, kayan kuma yana da kyakkyawan aikin walda, yin gini da kiyayewa dacewa.
Saboda kayan ASTM A335 P91 yana da waɗannan kyawawan kaddarorin, ana amfani dashi ko'ina a cikin wasu yanayin zafi da matsa lamba. Misali, a cikin masana'antar petrochemical, bututu da kayan aikin da aka yi da ASTM A335 P91 na iya jure wa zaizayar sinadarai da lalata a ƙarƙashin yanayin zafi da matsa lamba, tabbatar da amincin aiki na kayan aiki. A fannin wutar lantarki da makamashin nukiliya, bututu da kayan aikin da aka yi da ASTM A335 P91 na iya jure lalata da yashewar tururi da tururin ruwa da sauran kafofin watsa labarai a ƙarƙashin matsanancin zafin jiki da matsa lamba, tabbatar da aiki na yau da kullun na kayan aiki.