Iingenelo zokusebenzisa iipayipi zentsimbi eziwelsiweyo nge-Spirally ASTM A252

Iingenelo Zokusebenzisa Iipayipi Zentsimbi Ewelding Ene-Spirally ASTM A252 Umfanekiso Ophambili

Inkcazo emfutshane:

Xa kusakhiwa imibhobho yemizi-mveliso eyahlukeneyo, ukukhetha izinto kubalulekile. Imibhobho yentsimbi edibeneyo ejikelezayo, ingakumbi leyo yenziwe ngokwemigangatho ye-ASTM A252, iye yaba lukhetho oluthandwayo kwiintlobo ngeentlobo zezicelo zayo ngenxa yeenzuzo zayo ezininzi.

Thumela i-imeyile kuthi

Iinkcukacha zeMveliso

Iithegi zeMveliso

Enye yezona nzuzo ziphambili zokusebenzisa umbhobho wentsimbi odibeneyo we-ASTM A252 ngamandla awo aphezulu kunye nokuqina kwawo. Le mibhobho inokumelana noxinzelelo oluphezulu kunye nemithwalo enzima, nto leyo eyenza ukuba ilungele ukuhanjiswa kweoyile negesi, ukuthuthwa kwamanzi kunye nokusetyenziswa kwezakhiwo. Inkqubo yokudibanisa i-spiral esetyenziswa kwimveliso iqinisekisa ukubopha okuqinileyo nokulinganayo, okuvumela umbhobho ukuba umelane neemeko ezinzima.

Ipropati yoomatshini

	Ibanga loku-1	Ibanga lesi-2	Ibanga lesi-3
Incopho yeNzuzo okanye amandla eNzuzo, umzuzu, iMpa(PSI)	205(30 000)	240(35 000)	310(45 000)
Amandla okutsalwa, umzuzu, i-Mpa (PSI)	345(50 000)	415(60 000)	455(66 0000)

Uhlalutyo lweMveliso

Intsimbi mayingabi na-phosphorus engaphezulu kwe-0.050%.

Utshintsho Oluvumelekileyo Kubunzima Nobukhulu

Ubude ngabunye benqwaba yepayipi buya kulinganiswa ngokwahlukeneyo kwaye ubunzima bayo abuyi kwahluka ngaphezu kwe-15% ngaphezulu okanye i-5% phantsi kobunzima bayo obuqikelelwayo, kubalwe kusetyenziswa ubude bayo kunye nobunzima bayo ngobude beyunithi nganye.

Ububanzi bangaphandle abuyi kwahluka ngaphezu kwe-±1% ukusuka kububanzi obuqhelekileyo bangaphandle

Ubukhulu bodonga nangaliphi na ixesha abuyi kuba ngaphezulu kwe-12.5% phantsi kobukhulu bodonga obuchaziweyo.

Ubude

Ubude obungacwangciswanga obunye: 16 ukuya kwi-25ft (4.88 ukuya kwi-7.62m)

Ubude obuphindwe kabini obungacwangciswanga: ngaphezulu kwe-25ft ukuya kwi-35ft (7.62 ukuya kwi-10.67m)

Ubude obufanayo: umahluko ovumelekileyo ±1in

Ukongeza kumandla,imibhobho yentsimbi edityanisiweyo nge-spirally ASTM A252inika ukumelana okuhle nokugqwala. Oku kubaluleke kakhulu kwiipayipi ezijongene neemeko ezinzima zokusingqongileyo okanye izinto ezigqwala. Ukwaleka okukhuselekileyo kwezi payipi kuphucula ngakumbi ukumelana kwazo nokugqwala, kuqinisekisa ubomi benkonzo obude kunye neendleko zokulungisa eziphantsi.

Ngaphezu koko, iipayipi zentsimbi ezifakwe nge-spirally welded ASTM A252 zaziwa ngokuguquguquka kwazo kunye nokulula kokufakelwa kwazo. Uyilo lwazo oluguquguqukayo lunokwenziwa ngokwezifiso ngokulula ukuhlangabezana neemfuno ezithile zeprojekthi, ngelixa ubukhaphukhaphu bazo benza ukuphathwa kwazo kunye nokuthuthwa kube lula. Oku kuzenza zibe lukhetho olungabizi kakhulu kwiintlobo ngeentlobo zezicelo, njengoko zinokufakwa ngokukhawuleza nangokufanelekileyo, okunciphisa ixesha lomsebenzi kunye nokwakha.

Enye inzuzo yokusebenzisa umbhobho wentsimbi odibeneyo we-ASTM A252 kukuzinza kwawo kwindalo esingqongileyo. Zenziwe ngezinto ezinokuphinda zisetyenziswe, ezi mbhobho zinokuphinda zisetyenziswe okanye zisetyenziswe kwakhona ekupheleni kobomi bazo obuluncedo, nto leyo enciphisa impembelelo iyonke kwindalo esingqongileyo yokwakhiwa nokugcinwa kwemibhobho. Ukongeza, ixesha layo elide kunye neemfuno zokugcinwa kwayo eziphantsi zinegalelo kwiziseko ezizinzileyo nezinobuhlobo nokusingqongileyo.

Ukuqukumbela, iipayipi zentsimbi ezifakwe kwi-spirally welded ASTM A252 zineenzuzo ezininzi ezenza ukuba zibe lolona khetho luphambili lokwakha iipayipi. Amandla azo aphezulu, ukuqina, ukumelana nokugqwala, ukuguquguquka kunye nokuzinza kokusingqongileyo kuzenza zilungele ukusetyenziswa ngeendlela ezahlukeneyo kumashishini ahlukeneyo. Ngokukhetha ezi payipi, abaphuhlisi beprojekthi banokuqinisekisa inkqubo yepayipi ethembekileyo nehlala ixesha elide ehlangabezana nemigangatho ephezulu yokusebenza kunye nomgangatho ophezulu.