Kumvetsetsa Chitoliro cha ASTM A252: Gawo Lofunika Kwambiri Pakugwiritsa Ntchito Kuyika Zingwe
Mu dziko la zomangamanga ndi zomangamanga, kufunika kwa zipangizo zodalirika sikunganyalanyazidwe. M'zaka zaposachedwapa,Chitoliro cha ASTM A252yalandira chidwi chachikulu. Mfundo imeneyi ndi yofunika kwambiri pa ntchito zokhudzana ndi ntchito yokonza mipanda, chifukwa umphumphu ndi kulimba kwa zipangizo zomwe zimagwiritsidwa ntchito zimakhudza mwachindunji kupambana kapena kulephera kwa nyumbayo.
Cangzhou Spiral Steel Pipe Group Co., Ltd. ili pakati pa mzinda wa Cangzhou, m'chigawo cha Hebei. Yakhala kampani yotsogola yopanga mapaipi olumikizidwa kuyambira pomwe idakhazikitsidwa mu 1993. Kampaniyo ili ndi malo okwana 350,000 square metres, ili ndi katundu wokwana RMB 680 miliyoni, ndipo ili ndi antchito aluso komanso akatswiri pafupifupi 680. Chidziwitso chochuluka komanso zomangamanga zolimba zimathandiza kampaniyo kupanga mapaipi apamwamba a ASTM A252 omwe amakwaniritsa zofunikira zamakampani omanga.
Mafotokozedwe a ASTM A252 akuphatikizapo milu ya machubu achitsulo cha pakhoma omwe ali ndi mawonekedwe ozungulira. Milu iyi yapangidwa kuti igwiritsidwe ntchito ngati ziwalo zokhazikika zonyamula katundu kapena ngati malo osungira milu ya konkire yopangidwa m'malo mwake. Ntchito ziwirizi ndizofunikira kwambiri kuti maziko azikhala olimba kwa nthawi yayitali. Pakugwiritsa ntchito komwe nthaka ingakhale yovuta, kugwiritsa ntchito milu ya machubu a ASTM A252 ndikopindulitsa kwambiri chifukwa kumapereka mphamvu ndi kukhazikika komwe kumafunika kuti zithandizire katundu wolemera.
Kuchita bwino kwambiri komanso kulimba kwa nthawi yayitali
Makulidwe a Chitoliro cha Astm A252Ma piles ali ndi ubwino waukulu wotsatira:
Yopangidwa ndi chitsulo champhamvu kwambiri, ili ndi magwiridwe antchito abwino kwambiri onyamula katundu
Chithandizo chaukadaulo choletsa dzimbiri, choyenera malo ovuta monga chinyezi ndi zinthu zamchere ndi alkali
Ingagwiritsidwe ntchito ngati chinthu chokhazikika chonyamula katundu kapena chipolopolo cha mulu wa konkire
Chepetsani kuchuluka kwa malo olumikizirana ndipo onjezerani mphamvu zonse za kapangidwe kake
Chimodzi mwa ubwino waukulu wogwiritsa ntchito mapaipi a ASTM A252 poika mapaipi ndi kuthekera kwawo kupirira nyengo zovuta zachilengedwe. Chitsulo chomwe chimagwiritsidwa ntchito m'mapaipi awa chimakonzedwa kuti chisagwere dzimbiri, kuonetsetsa kuti chikhala nthawi yayitali komanso kuchepetsa ndalama zosamalira kwa nthawi yayitali. Izi ndizofunikira kwambiri m'malo omwe mapaipi amatha kukhudzidwa ndi nthaka yonyowa kapena youma.
Kuphatikiza apo, njira yopangira ya Cangzhou Spiral Steel Pipe Group Co., Ltd. ikutsatira njira zowongolera bwino kwambiri kuti zitsimikizire kuti chitoliro chilichonse chopangidwa chikukwaniritsa miyezo yapamwamba kwambiri yamakampani. Kudzipereka kumeneku pakupanga zinthu sikuti kumangowonjezera magwiridwe antchito a chitolirocho, komanso kumawonjezera chidaliro cha makontrakitala ndi mainjiniya omwe amadalira zipangizozi pa ntchito zawo.
Mwachidule, chitoliro cha ASTM A252 ndi gawo lofunikira kwambiri pamakampani omanga, makamaka pakugwiritsa ntchito zida zomangira. Ndi ukadaulo ndi zinthu za Cangzhou Spiral Steel Pipe Group Co., Ltd., makasitomala akhoza kukhala otsimikiza kuti alandira mapaipi apamwamba olumikizidwa omwe amakwaniritsa zosowa zawo. Pamene kufunikira kwa zipangizo zomangira zolimba komanso zodalirika kukupitilira kukula, chitoliro cha ASTM A252 mosakayikira chidzakhala ndi gawo lofunikira pakupanga chitukuko cha zomangamanga zamtsogolo. Kaya mukugwira ntchito yomanga yayikulu kapena yaying'ono, ganizirani zabwino zophatikizira chitoliro cha ASTM A252 mu yankho lanu la maziko.
Nthawi yotumizira: Julayi-28-2025