Musimbi yemazuva ano yemaindasitiri, chinhu chimwe chinomira pachena senheyo yekuvaka kweinjiniya nekuda kwekusarudzika kwayo yakazara zvivakwa-Q345 simbi mapaipi, inopa chiyero chakakwana chesimba, kuoma, uye kushanda.
Q345 isimbi yakaderera-alloy, yaimbozivikanwa se16Mn. Iyo "Q" mumazita ayo inomirira kusimba kwegoho, nepo "345" inoratidza kushomeka kwegoho re345 MPa pakudziya kwekamuri. Inoenderana neiyo GB/T 1591-2008 yakajairwa, inowana yakakura kushanda mumabhiriji, zvivakwa, mota, ngarava, ngarava dzekumanikidza, uye cryogenic engineering mapurojekiti. Inowanzo kupihwa mune inopisa-yakakungurutswa kana yakajairwa mamiriro.
Kuenderana mukugadzirisa mashandiro ndeimwe mukana mukuru weQ345 simbi mapaipi. Yayo yakaderera kabhoni yemukati (kazhinji ≤0.20%) uye yakagadziridzwa alloy kuumbwa inovimbisa yakanakisa weldability. Ingave uchishandisa manual metal arc welding, undermerged arc welding, kana gasi shielded welding, yakatsiga uye yakavimbika majoini akaiswa welded anogona kuwanikwa, kusangana nezvinoda kuomarara zvekuvaka panzvimbo. Pamusoro pezvo, kutonhora kwayo kwepamusoro uye kupisa kwekushanda zvivakwa zvinobvumira kugadzirwa muzvikamu zvakasiyana-siyana zvakaumbwa kuburikidza nematanho akaita sekukunguruka, kukotama, uye kutsika, kugarisa akasiyana einjiniya madhizaini.
Mamiriro ekushandisa: Kubva kuLandmark Structures kuenda kune Energy Infrastructure, Q345 simbi pombi dzakapinda mumativi ese eindasitiri yemazuva ano. Mukuvaka uye mainjiniya emabhiriji, vanosimbisa masikirogiramu emaskyscrapers uye vanoshanda semagidhi ekutanga emabhiriji anotenderera nzizi, vachikwirisa simba ravo repamusoro kudzikisa huremu hwezvimiro vachishingirira seismic uye mitoro yemhepo yakakwira kuburikidza nekusimba kwakawedzera. Injiniya muchina mabhomu nemafuremu, inorema-basa motokari dhiraivha shafts, uye muchina mudziyo wemubhedha makoramu zvese zvinoda zvinhu zvinosanganisa simba uye kuneta kuramba. Kuburikidza nekutonhora kudhirowa uye kupisa kwekuwedzera maitiro, Q345 simbi pombi inonyatso kuzadzisa zvinodiwa zvemuchina zvezvinhu zvakasiyana, kuwedzera hupenyu hwemidziyo. Mukushandiswa kwesimba nepombi — semapombi ekufambisira oiri negasi, mvura yemumaguta nemanetiweki ekudziya, uye pombi dzinopisa zvikuru mumaboiler emagetsi emagetsi — zvinhu zvinofanirwa kushingirira kumanikidzwa kwemukati nekuora kwekunze. Q345 simbi mapaipi, akabatwa nepamusoro pekudzivirira corrosion (semuenzaniso, kupenda, galvanizing), inova nechokwadi chekushanda kwakagadzikana kwenguva refu munzvimbo dzine hunyoro, dzine guruva, kana dzinoparadza zvinyoro, kuchengetedza kufambisa kwesimba kwakachengeteka uye kwakanaka.
Process Assurance:Hunhu Kuzvipira kubva kuIngot kusvika Kupedzwa Chigadzirwa Kugadzirwa kweprimiyamu Q345 simbi mapaipi kunoenderana nekunyatso kugadzirwa kwemaitiro ekugadzirisa. Mapombi asina musono anoboorwa, kukunguruka, uye saizi kuti ive nechokwadi chekukora kwemadziro akaenzana uye kurongeka kwedimensional. Welded pombi dzinoumbwa kuburikidza nepamusoro-frequency kana pasi pemvura arc welding, inoteverwa nekusakuvadza kuyedzwa uye kusagadzikana-kubvisa kupisa kurapwa kubvisa dzingangoputika njodzi panguva yekushandiswa. Yese inokwanisa Q345 simbi pombi inoongororwa kakawanda-kusanganisira bvunzo dzekusimba, bvunzo dzekukanganisa, uye kuyerwa kwekuomarara-kuvimbisa kutevedza kwekuita.
Future Trends:Iyo Green uye Innovation-Inofambiswa Nzira yeKukwidziridza
Tichitungamirirwa nekufambiswa mberi kwezvinangwa zve "dual carbon" uye kuwedzera kuri kuda kwekureruka kwemaindasitiri, Q345 simbi mapaipi ari kusimukira akananga kushanda kwakanyanya uye kuchengetedza kwezvakatipoteredza. Kune rimwe divi, kuburikidza neakagadziridzwa ma microalloying maitiro (akadai sekuwedzera zvinhu zvakaita se niobium uye titanium), chizvarwa chitsva cheQ345 simbi mapaipi inowedzera kuderedza kushandiswa kwealloy uku uchichengetedza simba, kuwana "zvakawanda nezvakaderera." Nekune rimwe divi, kugadzirwa kwehungwaru kunokwidziridzwa-kubva pakutarisa-nguva chaiyo yekuumbwa kwesimbi yakanyungudutswa kusvika kufanotaura kupera kwechigadzirwa kuita-kunatsiridza kugadzikana kwechigadzirwa uye mitengo yegoho kuburikidza nekuguma-ku-kuguma kwedhijitari kutonga.
Muzviitiko zvekushandisa, Q345 mapaipi esimbi ari kuwedzera kupinda muchikamu chesimba idzva-zvivakwa zvekutsigira zveshongwe dzeturbine yemhepo, zvinotakura zvinotakura zvinhu zvephotovoltaic racks, uye mapaipi ekutakura ehydrogen zvese zvinoisa zvido zvitsva pakusimba kwezvinhu uye kusagadzikana kwemamiriro ekunze. Kuburikidza nekuita optimization, Q345 simbi mapaipi ari kuita zvishoma nezvishoma zvinhu zvinofarirwa muminda iyi. Kubva kunzvimbo dzemumadhorobha kusvika kumikoto yesimba, kubva kumichina inorema kusvika kune veruzhinji, mapaipi esimbi eQ345 anoratidza kukosha kwemaindasitiri kwesimbi yakaderera-alloy yakakwirira-simba kuburikidza nekwakanakira kwavo kwesimba rakakwirira, kusimba kwepamusoro, uye nyore kugadzirisa. Ivo vanomira kwete chete sechiratidzo chekufambira mberi kwetekinoroji mumidziyo yesimbi asiwo seyakakosha "simbi musana" wekuvaka kweinjiniya yemazuva ano. Pane remangwana indasitiri nhanho, Q345 simbi mapaipi acharamba achipindura kune zvinodikanwa zvenguva kuburikidza nehunyanzvi uye kusimudzira, kupinza "simba resimbi" mune mamwe mapurojekiti makuru.
Nguva yekutumira: May-01-2025
