Abu: 253Ma, UNS S30815 1.4835
Matsayin samarwa: GB/T 14975, GB/T 14976, GB13296, GB9948, ASTM A312, A213, A269, A270, A511, A789, A790, DIN 17458,
DIN 17456, EN 10216, EN 10297, JIS G3459, JIS G3463, JIS G3448, JIS G3446
Girman girman: diamita na waje daga 6 mm zuwa 609 mm (NPS 1/4 "-24"), kauri bango 1 mm zuwa 40 mm (SCH5S,10S,40S,80S10,20…..160,XXS)
Tsawon: 30m (max.)
Tsarin fasaha: zane mai sanyi ko mirgina sanyi
Yanayin saman: m bayani pickling surface; gogewar injiniya; mai haske annealing
Ƙarshen magani: PE (lebur baki), BE (Bevel)
Marufi: saƙa jakar daure / plywood akwatin / fitarwa katako marufi
Jawabai: Ba misali bakin karfe bututu za a iya musamman bisa ga abokin ciniki ta bukatun
253MA (UNS S30815) wani bakin karfe ne mai zafi mai jurewa austenitic wanda aka tsara don aikace-aikacen da ke buƙatar babban ƙarfi mai ƙarfi da juriya mai kyau. Yanayin zafin aikinsa shine 850 ~ 1100 ° C.
A sinadaran abun da ke ciki na 253MA ne daidaitacce, wanda ya sa karfe yana da mafi dace m yi a cikin zafin jiki kewayon 850 ° C-1100 ° C, musamman high hadawan abu da iskar shaka juriya, hadawan abu da iskar shaka zafin jiki har zuwa 1150 ° C, da kuma musamman high creep juriya. Ƙarfin haɓakawa da haɓakawa; kyakkyawan juriya ga lalatawar zafin jiki mai girma da juriyar lalatawar goga a yawancin kafofin watsa labarai na gas; ƙarfin yawan amfanin ƙasa da ƙarfi mai ƙarfi a yanayin zafi mai girma; mai kyau formability da weldability , da isasshen machinability.
Bugu da ƙari ga abubuwan haɗin gwiwar chromium da nickel, bakin karfe na 253MA yana ƙunshe da ƙananan ƙananan karafa na duniya, don haka yana inganta ƙarfin antioxidant. Ana ƙara Nitrogen don haɓaka kaddarorin masu rarrafe kuma sanya wannan ƙarfe gaba ɗaya austenite. Ko da yake abubuwan da ke cikin chromium da nickel ba su da ɗanɗano, irin waɗannan baƙin ƙarfe a yawancin lokuta suna da kaddarorin zafin jiki iri ɗaya kamar na alluran gami da gawa mai ƙarfi na nickel.
Lokacin aikawa: Afrilu-23-2018