EN 10219 S275J0H le S275J2Hke likarolo tse nang le likoti tse entsoeng ka mokhoa o batang tse entsoeng ka tšepe e sa tsitsang ho latela EN 10219.
Ka bobeli ba na le matla a fokolang a tlhahiso ea 275MPa (botenya ba lebota ≤16mm).Phapang e kholo e ho thepa ea tšusumetso: S275J0H e na le matla a fokolang a 27 J ho 0 ° C, ha S275J2H e na le matla a fokolang a 27 J ho -20 ° C.
E loketse lits'ebetso tsa meaho le meahong ea boenjiniere e tlas'a meroalo e bobebe.
BS EN 10219 ke Tekanyetso ea Europe ea EN 10219 e amohetsoeng ke UK.
Botenya ba lebota ≤40mm, bophara ba ka ntle ≤2500mm.
CFCHS ke khutsufatso ea Cold-Formed Circular Hollow Section.
Tekanyetso ea EN 10219 e akaretsa mefuta e mengata e fapaneng ea libopeho tsa tšepe tse se nang letho, ho kenyeletsoa chitja, lisekoere, khutlonnetsepa le oval, ho lumellana le litlhoko tse fapaneng tsa ts'ebeliso.
Botop Steele khethehile ho fana ka li-tubes tsa tšepe tse chitja tse sekoti ka boholo le lits'ebetso tse fapaneng ho lumellana le lits'ebetso tse fapaneng tsa indasteri, ho netefatsa hore litlhoko tse ikhethileng tsa bareki ba rona li ka fihlelleha.
Ho tloha ha e thehoa ka 2014,Botop Steele fetohile morekisi ea ka sehloohong oa pipe ea tšepe ea carbon e ka Leboea ea Chaena, e tsejoang ka tšebeletso e babatsehang, lihlahisoa tsa boleng bo phahameng, le litharollo tse pharaletseng.
Khampani e fana ka mefuta e sa tšoaneng ea liphaephe tsa tšepe tsa carbon le lihlahisoa tse amanang le tsona, ho kenyeletsaSMLS, ERW, LSAW, leSSAWpipe ea tšepe, hammoho le lethathamo le feletseng la lisebelisoa tsa liphaephe le li-flanges.Lihlahisoa tsa eona tse khethehileng li boetse li kenyelletsa li-alloys tsa boemo bo phahameng le litšepe tse sa hloekang tsa austenitic, tse etselitsoeng ho finyella litlhoko tsa merero e fapaneng ea liphaephe.
Re labalabela ho theha likamano tsa tšebelisano le uena le ho theha bokamoso ba win-win hammoho.
Tšepe e tala bakeng sa ho etsa likarolo tse sekoti tse entsoeng ka serame e entsoe deoxidized mme e tlameha ho kopana le maemo a khethehileng a ho fana.
Litlhoko tse amehang tsa S275J0H le S275J2H keFF(Tšepe e bolailoeng ka botlalo e nang le likarolo tse tlamang tsa naetrojene ka bongata bo lekaneng ho kopanya naetrojene e fumanehang (mohlala, min.0,020 % kakaretso ea Al kapa 0,015% e qhibilihang Al)).
Boemo ba thomello: Ho thetheha kapa ho tloaeleha / ho tloaeleha ho phuthoa (N) bakeng sa litšepe tsa JR, J0, J2, le K2.
Lipeipi tsa tšepe ho EN 10219 li ka hlahisoa ke bobeliERW( electro resistance welding ) leBONA( submerged arc welding ) mekhoa ea tlhahiso.
Tlhahiso eaLi-tubes tsa ERWe na le molemo oa ho potlaka le ho theko e tlaase haholo 'me hangata e khethoa bakeng sa merero e hlokang tlhahiso e kholo le litšenyehelo tse phahameng.
ERWli-tubes ka tloaelo li sebelisoa ho hlahisa li-diameter tse nyane le botenya ba marako a masesaane, atheBONAli-tubes li loketse ho feta li-diameter tse kholoanyane le marako a teteaneng.Ka kopo, khetha mofuta o nepahetseng oa peipi ea tšepe bakeng sa morero oa hau.
Liphaephe tsa ERW tse entsoeng ho latela EN 10219 hangata ha li hloke ho chesoa ka hare ho weld.
Lebaka ke hobane li-tubes tsa EN 10219 li sebelisoa haholo lits'ebetsong tsa meralo, joalo ka boenjiniere ba kaho le mochini, moo litlhoko tsa ponahalo ea weld hangata li leng thata ho feta tsa likepe tsa khatello kapa liphaephe tse nang le khatello e phahameng.Ka hona, hafeela matla le botšepehi ba weld li finyella litlhoko tsa maemo, li-welds tsa ka hare li ka sebelisoa ntle le ho fokotsa ho eketsehileng.
Ha ho phekolo ea mocheso e latelang e etsoang, ntle le hore weld e ka 'na ea e-ba boemong bo cheselitsoeng kapa ba mocheso.
Tlhahlobo ea Raw (Moetso oa Lik'hemik'hale oa Lisebelisoa tse tala)
Ka bobeli S275J0H le S275J2H li na le boleng bo phahameng ba ho lekana le khabone (CEV) ea 0.40%.
S725J0H le S275J2H e nang le boholo ba CEV ea 0.4% e bonts'a ts'ebetso e ntle ea weldability e nang le kotsi e fokolang ea ho thatafala le ho phunyeha nakong ea ho cheselletsa.
E ka boela ea baloa ho sebelisoa foromo e latelang:
CEV = C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15.
Tlhahlobo ea Sehlahisoa (Moetso oa Lik'hemik'hale oa Lihlahisoa tse Feletseng)
Nakong ea tlhahiso ea tšepe, lik'hemik'hale tsa lik'hemik'hale li ka fetoha ka mabaka a 'maloa,' me liphetoho tsena li ka ama thepa le boleng ba tšepe.
Sebopeho sa ho qetela se phethiloeng sa pipe ea tšepe se tlameha ho lumellana le sebopeho sa lik'hemik'hale sa ho lahla le ho kheloha ha eona ho lumelletsoeng.
Litekanyetso tsa thepa ea mochini li kenyelletsa matla a tlhahiso, matla a ho tiea, bolelele le matla a tšusumetso.
Ho imolla khatello ea kelello ka nako e fetang 580 ℃ kapa nako e fetang hora ho ka lebisa ho senyeha ha thepa ea mochine.
Lintlha:
Teko ea tšusumetso ha e hlokehe ha botenya bo boletsoeng bo le <6mm.
Thepa ea tšusumetso ea li-tubes tsa boleng ba JR le J0 ha e netefatsoe ntle le haeba e boletsoe.
EN 10219 Welds in ERW steel pipes e ka lekoa ka ho khetha e 'ngoe ea tse latelang.
TS EN 10246-3 ho isa boemong ba kamohelo ea E4, ntle le hore mokhoa o potolohang oa li-tube/pancake coil o ke ke oa lumelloa;
EN 10246-5 ho boemo ba kamohelo F5;
EN 10246-8 ho boemo ba kamohelo ea U5.
Palo ea boima ba theoretical ea li-tubes tsa EN 10219 e ka ipapisa le letsoalo la 7.85 kg/dm³.
M=(DT)×T×0.02466
M ke boima ka bolelele ba yuniti;
D ke bophara bo ka ntle bo boletsoeng, li-unit ka mm;
T ke botenya ba lebota bo boletsoeng, li-unit ka mm.
Mamello ka Sebopeho, Ho otloloha le 'Misa
Mamello Bolelele
Li-tubes tsa karolo e sekoti tse entsoeng ho latela EN 10219 li ka cheseha.
Ha ho chesoa, ho phatloha ho batang sebakeng sa weld ke kotsi e kholo ha botenya, boemo ba matla, le CEV ea sehlahisoa e eketseha.Ho petsoha ha serame ho bakoa ke motsoako oa lintlha tse 'maloa:
maemo a phahameng a diffusable hydrogen ka tšepe ea weld;
mohaho o brittle sebakeng se amehileng ke mocheso;
khatello e matla ea khatello ea maikutlo lenonyellong le cheselitsoeng.
Bokaholimo ba phala ea tšepe bo lokela ho ba boreleli 'me bo se ke ba e-ba le mefokolo leha e le efe e ka amang ts'ebetso ea sehlahisoa, joalo ka mapetsong, likoti, li-scratches, kapa corrosion.
Li-bumps, grooves, kapa li-grooves tse sa tebang tsa longitudinal tse entsoeng ke mokhoa oa ho etsa lihlahisoa li amoheleha hafeela botenya bo setseng bo le ka har'a mamello, sekoli se ka tlosoa ka ho sila, 'me botenya ba lebota bo lokisitsoeng bo finyella litlhoko tse fokolang tsa botenya.
Botop SteelHa e fane feela ka li-tubes tsa tšepe tsa boleng bo holimo ho latela EN 10219, hape e fana ka mefuta e mengata ea likhetho bakeng sa ho roala holim'a li-tubes tsa tšepe ho lumellana le litlhoko tse khethehileng tsa bareki ba eona mererong e fapaneng ea boenjiniere.Liaparo tsena li etselitsoe ho matlafatsa ho hanyetsa ha li-tubes le ho eketsa tšireletso e eketsehileng, kahoo e lelefatsa bophelo ba bona ba tšebeletso.
Ho qoela ka ho chesa Galvanizing
3LPE (HDPE) Ho roala
FBE Coating
Ho roala ka Varnish
Ho roala ka pente
Cement Weight Coating
Likarolo tsa borokho: Mehaho eo e seng ea mantlha e jarang meroalo e sebelisoang borokhong, joalo ka litšepe le lipharapet.
Litšiea tsa meralo: litšiea tsa tšehetso le maballo a sebelisoang ho haha le boenjiniere ba sechaba.
Sistimi ea liphaephe: liphaephe bakeng sa lipalangoang tsa metsi le likhase, haholo-holo lits'ebetsong tse hlokang tekanyo ea ho tenyetseha le ho hanyetsa ho bola.
Mehaho ea nakoana: litšehetso tsa nakoana le liforeimi tse loketseng libaka tsa kaho le tsa boenjiniere.
Lisebelisoa tsena li nka monyetla ka thepa e ntle ea mochini le ho cheseha ha S275J0H le S275J2H ho fihlela litlhoko tsa meaho e bobebe empa e tsitsitse.
ASTM A500:Litlhahiso tse Tloaelehileng bakeng sa Lithapo tsa Mohaho oa Mohatsela o Hatsetseng o Hatsetseng le o sa Kokoang ka Mehaho le Libopeho.
ASTM A501: Tlhaloso e Tloaelehileng bakeng sa Tubing ea Mohaho oa Mohaho o Chesang oa Mocheso le o sa Koahelehang oa Carbon Steel Structural Tubing.
EN 10210: Likarolo tse chesang tse feliloeng tsa sekoti tse se nang alloy le litšepe tse ntle tsa lijo-thollo.
EN 10219: Likarolo tse batang tse entsoeng ka likoti tse cheselitsoeng tse se nang alloy le litšepe tse ntle tsa lijo-thollo.
JIS G 3466: Carbon steel square and rectangular tubes for general structure.
AS/NZS 1163: Likarolo tse se nang letho tsa tšepe tse entsoeng ka mokhoa o batang.
Litekanyetso tsena li sebelisoa haholo lefatšeng ka bophara, 'me li thusa ho netefatsa hore li-tubes tsa tšepe tsa sebopeho li fihlela litekanyetso tse lebelletsoeng tsa ts'ebetso lits'ebetsong tse fapaneng tsa boenjiniere.Ha u khetha tekanyo ea lipeipi tsa tšepe, ke habohlokoa ho nahana ka litlhoko tsa eona tse khethehileng tsa kopo, melao ea libaka le litlhoko tsa ts'ebetso.
ASTM A252 GR.3 Structural LSAW(JCOE) Carbon Steel Pipe
BS EN10210 S275J0H LSAW(JCOE) Pipe ea Tšepe
ASTM A671/A671M LSAW Pipe ea tšepe
ASTM A672 B60/B70/C60/C65/C70 LSAW LSAW Pipe ya Tshipi ya Carbon
API 5L X65 PSL1/PSL 2 LSAW Carbon Steel Pipe / API 5L Grade X70 LSAW Steel Pipe
EN10219 S355J0H Structural LSAW(JCOE) Pipe ea tšepe
