ASTM A252 Darasi 3shine mafi yawan kayan da ake amfani dashi azaman bututun silinda.
Gilashin bututun ƙarfe na daraja 3 ba'a iyakance ga takamaiman tsari na samarwa ba kuma ana iya kera su ta amfani da hanyoyin ƙirƙira bututu iri-iri, gami daSMLS(lalle),SAW(submerged baka welded), daEFW(electro-fusion welded).Wannan sassauci yana ba shi damar daidaitawa da buƙatun injiniya daban-daban da yanayin aikace-aikace.
A matsayin mafi girman matsayi a cikin ma'aunin A52, yana da kyawawan kaddarorin injina tare da ƙaramin ƙarfi na 310 MPa da ƙaramin ƙarfi na 455 MPa kuma ana iya amfani da shi azaman ɓangaren tsari mai ɗaukar nauyi na dindindin ko azaman harsashi don simintin shiga. -sa kankare tara.
TheASTM A252misali yana rarraba tulin bututun ƙarfe zuwa maki uku don dacewa da yanayin aikace-aikacen daban-daban da buƙatun lodawa.Maki uku sune:
Darasi na 1, Darasi na 2, da na 3.
Kamfanin ya gabatar da cikakken sa na ci-gaba JCOE LSAW karfe samar da kayan aiki da gwajin kayan aiki, ƙware a cikin samar da kauri mai bango, babban diamita LSAW karfe bututu tare da DSAW (waldi mai fuska biyu nutsewa).
Bayanin samfuran sune:
Diamita na waje: DN 350 - 1500;
Kaurin bango: 8 - 80 mm;
Tulin bututun ya zama ƙarshen ƙarshen.
Ƙarshen za a yanke wuta ko a yanka da inji kuma a cire shi.
A cikin lamarinbeveled ƙare, kusurwar ƙarshen beveled ya kamata ya zama30-35°.
Botop Karfeyana ba da nau'ikan bututun ƙarfe na ASTM A52 masu inganci.Da fatan za a ji daɗin tuntuɓar mu don buƙatun ku.
Za a yi ƙarfe ɗaya ko fiye daga cikin matakai masu zuwa: buɗaɗɗen zuciya, iskar oxygen, ko tanderun lantarki.
A252 za a yi tam, juriya na lantarki walda, walƙiya walda, kofuska waldatsari.
The seams na welded bututu tara zai zamana tsaye, helical - butt, kohelical - cinya.
Don tabbatar da inganci da aikin bututun ƙarfe na ƙarfe, yana da mahimmanci don zaɓar tsarin samar da daidai.
Tsarin LSAW (SAWL) ya dace da babban diamita, bututun ƙarfe mai kauri, musamman a cikin ayyukan gine-gine da abubuwan more rayuwa waɗanda ke buƙatar ƙarfin ɗaukar nauyi da zurfin ginin tushe.Saboda ƙarfin da ya fi ƙarfinsa, ƙarfin ɗaukar kaya, da zurfin daidaitawa, yana iya daidaitawa zuwa nau'i-nau'i masu yawa na yanayin geologic yayin da yake ba da fa'idodin shigarwa da sauri da kuma dorewa na dogon lokaci.
JCOEne na kowa forming tsari a samar da LSAW karfe bututu, wanda yana da abũbuwan amfãni daga high dace, high quality, manyan diamita samar iya aiki, girma daidaito, adaptability, da kuma tattalin arziki, wanda ya sanya shi fi son bututu kafa tsari a da yawa manyan- sikelin aikin injiniya.
Karfe zai ƙunshiBa fiye da 0.050% phosphorus.
Ƙayyadaddun abubuwan da ke cikin phosphorus a cikin ƙarfe shine tabbatar da cewa karfe yana da kyawawan kayan aikin injiniya, musamman idan aka yi amfani da shi don aikace-aikacen tsari kamar ginin gini.
Wannan ƙayyadaddun yana taimakawa wajen hana ƙarfe daga zama mara ƙarfi a ƙananan yanayin zafi, don haka tabbatar da amincinsa da amincin amfani.
Don sauran abubuwan da ke ciki, babu buƙatu.
Wannan shi ne saboda babban abin da aka fi mayar da hankali kan bututun tulin bututu shine tabbatar da cewa bututun suna da isasshen ƙarfi da ƙarfi, waɗanda ke da mahimmancin kaddarorin don amfani da su a cikin kayan tallafi.
Don bututun tari na tubular, ana ba da ƙarin kulawa ga kayan aikin injiniya na bututu, kamar ƙarfin yawan amfanin ƙasa, ƙarfin ƙarfi, da tauri, kamar yadda waɗannan kaddarorin suna da alaƙa kai tsaye da ƙarfin ɗaukar kaya da kwanciyar hankali na tsarin tubular tara a aikace aikace. .
ATebu na 2 yana ba da mafi ƙarancin ƙididdiga masu ƙima:
Inda ƙayyadadden kauri na bangon ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙima za a ƙayyade kamar haka:
Darasi na 3: E = 32t + 10.00 [E = 1.25t + 10.00]
E: elongation a cikin 2 in. [50.8 mm],%;
t: ƙayyadadden ƙayyadadden kauri na bango, in. [mm].
Matsayin ASTM A252 Grade 3 yana tabbatar da aminci da amincin tulin tubular a cikin amfani ta hanyar saita mafi ƙarancin buƙatu don waɗannan kaddarorin injin.
Don girman bututun da ba a jera su a cikin tebur mai nauyin bututu ba, ana iya ƙididdige nauyin kowane tsayin raka'a ta amfani da dabara.
w = C × (Dt) ×t
w: nauyi a kowane tsayin raka'a, Ilb / ft [kg / m];
D: ƙayyadadden diamita na waje, a cikin. [mm];
t: ƙayyadadden ƙayyadadden kauri na bango, a cikin. [mm];
C: 0.0246615 don ƙididdigewa a cikin raka'a SI da 10.69 don ƙididdigewa a cikin sassan USC.
Lissafin da ke sama sun dogara ne akan zato cewa yawan bututun ƙarfe shine 7.85 kg/dm³.
ASTM A252 Grade 3 yana da babban ƙarfi da ƙarfi don ƙasa iri-iri da buƙatun ɗaukar kaya.Ana amfani da wannan bututun ƙarfe a cikin aikace-aikace masu zuwa:
1. Gina tushe: ASTM A252 Grade 3 karfe bututu ana amfani da matsayin tari tushe a cikin aikin kafuwar for high-hawan gine-gine, gadoji, da sauran manyan tsarin samar da zama dole goyon baya da kwanciyar hankali.
2. Tashoshi da tashar jiragen ruwa: Ana amfani da waɗannan bututun ƙarfe don tarawa wajen gina tashoshin jiragen ruwa da tashoshin jiragen ruwa don tabbatar da cewa tsarin ya iya jure tasirin jiragen ruwa da kuma lalacewar yanayin ruwa.Don ƙara ƙarfin ƙarfi da juriya ga lalata bututun ƙarfe, ana amfani da sutura sau da yawa don samar da ƙarin kariya.
3. Aikin ruwa: Ana amfani da bututun ƙarfe na ASTM A252 Grade 3 don ƙarfafa gaɓar kogi da kuma samar da kariya ga ambaliyar ruwa a cikin gina madatsun ruwa, makullai, da sauran wuraren ruwa.
4. Ayyukan makamashi: A cikin wutar lantarki, man fetur, da sauran ayyukan samar da makamashi, ana amfani da waɗannan bututun ƙarfe azaman tsarin tallafi don tabbatar da kwanciyar hankali na kayan aiki.
5. Hanyoyin sufuri: ASTM A252 Ana amfani da bututun ƙarfe na Grade 3 don tarawa a cikin ginin titin jirgin ƙasa, manyan tituna, da titin jirgin sama don samar da isassun ƙarfin ɗaukar kaya da dorewa.
Tun lokacin da aka kafa shi a cikin 2014.Botop Karfeya zama babban mai samar da bututun ƙarfe na carbon a Arewacin kasar Sin, wanda aka sani don kyakkyawan sabis, samfurori masu inganci, da cikakkun mafita.
Botop Karfeyana ba da nau'ikan bututun ƙarfe na carbon da samfuran da ke da alaƙa, gami da maras kyau, ERW, LSAW, da bututun ƙarfe na SSAW, da kuma cikakken jeri na kayan aikin bututu da flanges.Kayayyakinsa na musamman sun haɗa da gawa mai daraja da austenitic bakin karafa, waɗanda aka keɓance don biyan buƙatun ayyukan bututun.
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EN10219 S355J0H LSAW(JCOE) Karfe Tari
EN 10219 S275J0H/S275J2H ERW Karfe bututu Don Tsarin
TS EN 10210 S355J0H Bututun Karfe mara kyau
TS EN 10210 S355J2H TUPU KARFE ERW
API 5L PSL1&PSL2 GR.B Bututu mai Welded Na Tsayi Mai Nitsewa-Arc
ASTM A501 Grade B LSAW Carbon Karfe Tsarin Tuba
ASTM A672 B60/B70/C60/C65/C70 LSAW Carbon Karfe bututu
ASTM A671/A671M LSAW Karfe Bututu
ASTM A500 Grade C Tube Tsarin Tsarin Karfe mara kyau
