Duplex bakin karfe yana da microstructure biyu-lokaci a cikin abin da juzu'i juzu'i na ferrite da austenite ne game da 50%.Saboda su biyu-lokaci microstructure, wadannan karafa hada da mafi kyau Properties na ferritic da austenitic bakin steels.In general, da ferrite lokaci (jiki-tsakiyar cubic lattice) samar da high inji ƙarfi da kuma mai kyau na zamani juriya, mai kyau ga laughness juriya, yayin da mai kyau ga ci gaban cubic ƙarfi. ttice) yana ba da kyakkyawan ductility.
Haɗuwa da waɗannan kaddarorin shine dalilin da ya sa ana amfani da ƙananan ƙarfe na duplex a cikin masana'antar petrochemical, ɓangaren litattafan almara da takarda, marine da masana'antar samar da wutar lantarki. Suna iya jure wa kafofin watsa labarai lalata, tsawaita lokacin sabis, kuma suna aiki a cikin matsanancin yanayi na muhalli.
Abubuwan da ke da ƙarfi suna ba ku damar rage kauri da nauyi. Misali, bakin karfe na super duplex na iya samar da ƙarfin yawan amfanin ƙasa sau uku zuwa huɗu da tsayin daka ga lalata lalata fiye da 316 bakin karfe.
Bakin Karfe Duplex an rarrabasu zuwa maki uku dangane da abun ciki na chromium (Cr) na gravimetric da lambar juriya daidai lamba (PREN):
Ɗaya daga cikin mahimman abubuwan walda DSS, SDSS, HDSS da bakin karfe na musamman shine sarrafa sigogin walda.
A petrochemical masana'antu walda tsarin bukatun ƙayyade m PREN darajar da ake bukata domin filler karafa.Misali, DSS na bukatar PREN na 35 da SDSS bukatar PREN na 40. Hoto 1 nuna DSS da matching filler karfe ga GMAW da GTAW.Yawanci, da Cr abun ciki na filler karfe zai dace da cewa na da tushe karfe da kuma GTAW yi amfani da zafi da kuma tushen da GTAW. Idan karfen weld ɗin ba daidai ba ne saboda fasaha mara kyau, ƙarfe mai ƙyalƙyali mai ƙarfi zai iya samar da PREN da ake so da sauran dabi'u don samfurin welded.
A matsayin misali don nuna wannan, wasu masana'antun suna ba da shawarar yin amfani da waya mai filler SDSS (25% Cr) don gami da tushen DSS (22% Cr), da HDSS filler waya (27% Cr) a cikin SDSS (25% Cr). , 5% molybdenum kuma ana ɗaukarsa ƙasa da 0.015% ƙananan carbon.
Idan aka kwatanta da SDSS, HDSS shiryawa yana da mafi girma yawan amfanin ƙasa ƙarfi da kuma mafi juriya ga pitting da crevice lalata.It kuma yana da mafi girma juriya ga hydrogen-jawo danniya fatattaka da kuma mafi girma juriya ga karfi acidic yanayi fiye da SDSS.Its high ƙarfi yana nufin ƙananan tabbatarwa rates a lokacin da bututu samar, tun da iyaka kashi bincike ba a bukata domin weld karfe na matching ƙarfi, da yarda sharudda na iya zama ƙasa da Conservative.
Dangane da kewayon kayan tushe, buƙatun injina da yanayin sabis, da fatan za a yi la'akari da tuntuɓar aikace-aikacen DSS da ƙwararren ƙarfe na ƙarfe kafin fara aikinku na gaba.
WELDER, wanda a da yake Aiki na Welding A Yau, yana nuna ainihin mutanen da suke yin samfuran da muke amfani da su kuma suke aiki da su kowace rana.Wannan mujallar ta yi hidima ga al'ummar walda a Arewacin Amirka sama da shekaru 20.
Yanzu tare da cikakken damar yin amfani da bugu na dijital na The FABRICATOR, sauƙin samun dama ga albarkatun masana'antu masu mahimmanci.
Buga na dijital na The Tube & Pipe Journal yanzu yana da cikakkiyar dama, yana ba da sauƙi ga albarkatun masana'antu masu mahimmanci.
Ji daɗin cikakken damar yin amfani da bugu na dijital na Jaridar STAMPING, wanda ke ba da sabbin ci gaban fasaha, mafi kyawun ayyuka da labarai na masana'antu don kasuwar tallan ƙarfe.
Yanzu tare da cikakken damar yin amfani da bugu na dijital na The Fabricator en Español, sauƙin samun dama ga albarkatun masana'antu masu mahimmanci.