Ukubaluleka kwe-ASTM A139 kuLwakhiwo loMbhobho weGesi yeNdalo ephantsi komhlaba

Inkcazelo emfutshane:

Xa kusakhiwa imibhobho yegesi yendalo ephantsi komhlaba, kubalulekile ukusebenzisa izixhobo ezifanelekileyo ukuqinisekisa ukhuseleko, ukuqina, kunye nokusebenza kakuhle.Enye imathiriyeli edla ngokusetyenziswa xa kusakhiwa le migca yerhasi yi-ASTM A139, eluhlobo olusemgangathweni lombhobho wentsimbi wekhabhoni ovundiweyo.Kule bhlog, siza kuphonononga ukubaluleka kwe-ASTM A139 kulwakhiwo lombhobho wegesi yendalo ephantsi komhlaba kunye nendlela edlala indima ebalulekileyo ngayo ekuqinisekiseni ukuthembeka nokuthembeka kwezi nxalenye zibalulekileyo zeziseko zophuhliso.

Thumela i-imeyile kuthi

Iinkcukacha zeMveliso

Iithegi zeMveliso

Umbhobho wentsimbi wekhabhoni odityanisiweyo owenziweyoI-ASTM A139yenzelwe ngokukodwa izicelo eziphantsi komhlaba ezifana nokuhanjiswa kwegesi yendalo kunye neenkqubo zokusasaza.Le mibhobho iveliswa kusetyenziswa inkqubo yokuwelda ekhethekileyo eyenza amajoyina aqinileyo kwaye ahlala ixesha elide, abaluleke kakhulu ekumelaneni noxinzelelo oluphantsi komhlaba kunye neemeko zokusingqongileyo ziya kulawulwa le mibhobho.

IPropati yoomatshini

	IBanga loku-1	IBanga lesi-2	IBanga lesi-3
Inqaku lesivuno okanye amandla emveliso, min, Mpa(PSI)	205(30 000)	240(35 000)	310(45 000)
Amandla okuqina, min, Mpa(PSI)	345(50 000)	415(60 000)	455(66 0000)

Inkqubo ye-spiral welding esetyenziswa kwi-ASTM A139 inika umbhobho indawo yangaphakathi engaguqukiyo negudileyo, ebaluleke kakhulu ekuqinisekiseni ukuhamba kakuhle kwerhasi yendalo ngombhobho.Le mibhobho nayo ifumaneka kwiindidi zeedamitha kunye nobukhulu bodonga, okuvumela ukuguquguquka koyilo kunye nolwakhiwo ukuhlangabezana neemfuno ezithile zokuhanjiswa kwegesi yendalo okanye inkqubo yokusabalalisa.

Ukongeza ekuthembekeni kunye nokuqina, umbhobho we-ASTM A139 unikezela ukuxhathisa ukubola, okubalulekileyo ekuqinisekiseni ukuthembeka kwexesha elide lemibhobho yegesi yendalo ephantsi komhlaba.I-carbon steel material esetyenziswe kule mibhobho ilungiselelwe ngokukodwa ukuxhathisa ukubola, ukuqinisekisa ukuba imibhobho ihlala ilungile kwaye ingavuzi iminyaka ezayo.

Ukhuseleko lubaluleke kakhulu ekwakhiweni kwemibhobho yegesi yendalo ephantsi komhlaba.Imibhobho ye-ASTM A139 yenziwe kwaye ivavanywe kwimigangatho engqongqo yoshishino kunye neenkcukacha, ukuqinisekisa ukuba banokumelana nemingeni ekhethekileyo yezicelo eziphantsi komhlaba.Oku kunika izixhobo zerhasi yendalo, abalawuli kunye noxolo lwengqondo lukawonke-wonke esazi ukuba iziseko ezibonelela ngerhasi yendalo zithembekile kwaye zikhuselekile.

Ukuqukumbela, i-ASTM A139spiral welded carbon steel umbhobhoidlala indima ebalulekileyo ekwakhiweni kwemibhobho yegesi yendalo ephantsi komhlaba.Ukomelela kwabo, ukumelana nomhlwa kunye nokuthotyelwa kwemigangatho yoshishino kubenza balungele iiprojekthi zeziseko ezingundoqo ezifana nezi.Xa kuziwa ekuqinisekiseni ukhuseleko, ukuthembeka, kunye nokusebenza kakuhle kwenkqubo yokuhanjiswa kwegesi yendalo kunye nokusabalalisa, usebenzisa umbhobho we-ASTM A139 sisigqibo esingenakunakwa.Ngokukhetha izixhobo ezifanelekileyo kwezi zicelo zangaphantsi komhlaba, sinokuqinisekisa ukuba izibonelelo zethu zegesi yendalo zihlala zikhuselekile kwaye zithembekile kwizizukulwana ezizayo.

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