Mapaipi esimbi eERWAkagadzirwa ne "resistance" yemagetsi yakaderera kana kuti ine ma "frequency" akawanda. Imapaipi akatenderera akasungirirwa kubva pamapepa esimbi ane misono yakareba. Anoshandiswa kutakura gasi nezvinhu zvine mvura zvakaita semafuta negasi rechisikigo, uye anogona kusangana nezvinodiwa zvakasiyana-siyana zvekumanikidzwa kwakanyanya uye kwakaderera. Pari zvino ane chinzvimbo chakakosha mumunda wemapaipi ekufambisa pasi rose.
Pakusanganisa mapaipi eERW, kupisa kunoburitswa kana magetsi achipfuura nepanzvimbo dzinosangana nzvimbo yekusanganisa. Inopisa mativi maviri esimbi kusvika panosvika panogona kuumba chisungo. Muchiitiko ichi, pasi pekumanikidzwa kwemajoini, mativi epombi isina chinhu anonyungudutswa uye anoburitswa pamwe chete.
KazhinjiMapaipi eERWine dhayamita yepamusoro yekunze inosvika 609 mm (24 inches), mapaipi makuru anogadzirwa achishandisa SAW.
Kune mapaipi akawanda anogona kugadzirwa uchishandisa nzira yeERW. Pazasi tinonyora zviyero zvakajairika mupombi.
Mapaipi esimbi yekabhoni eERW ASTM A53 eGiredhi A neB (uye akabatidzwa) Mapaipi esimbi yekabhoni eASTM A252 ASTM A500 mapaipi emurwi ASTM A134 neASTM A135 mapaipi ekuvakaMapaipi eEN 10219 S275, mapaipi eS355.
Pombi yeSimbi Isina Kugayiwa yeERW ASTM A269 Mitemo & Magadzirirwo ASTM A270 Pombi yeSimbi Isina Kugayiwa ASTM A312 Pombi yePlumbing ASTM A790 Pombi yeSimbi Isina Kugayiwa Ferritic/Austenitic/Duplex Pombi yeSimbi Isina Kugayiwa.
API ERW mutsetse wepombi API 5L B kusvika X70 PSL1 (PSL2 inofanira kunge iri HFW process) API 5CT J55/K55, N80kesi nemachubhu.
Kushandisa uye kushandisa pombi yesimbi yeERW: Pombi yesimbi yeERW inoshandiswa kutakura gasi nezvinhu zvine mvura zvakaita semafuta negasi rechisikigo, uye inogona kusangana nezvinodiwa zvine simba shoma uye zvakanyanya. Mumakore achangopfuura, nekuvandudzwa kwetekinoroji yeERW, mapaipi esimbi eERW akawanda ari kushandiswa muminda yemafuta negasi, indasitiri yemotokari, nezvimwewo.
Nguva yekutumira: Chivabvu-04-2023