EN 10219 S355J0Hke aserame se entsoeng ka weldphala ea tšepe e nang le sekoti hoEN 10219, ka bonyane ba chai matla a355 MPa(botenya ba lebota la pipe ≤ 16 mm) le matla a ts'usumetso a bonyane27 J ka 0°C.
E entsoe ka ho sebelisa li-welding tsa motlakase kapa mekhoa e ka tlas'a metsi arc welding ntle le tlhokahalo ea phekolo ea mocheso e latelang, e loketse mefuta e mengata ea mekhoa ea meralo ea meralo le ea boenjiniere, ho kenyelletsa le likarolo tsa bohlokoa tsa meralo tse kang liqubu bakeng sa tšehetso ea motheo.
BS EN 10219 ke Tekanyetso ea Europe ea EN 10219 e amohetsoeng ke UK.
E kenyelletsa welded e entsoeng ka serameselikalikoe, lisekoere, khutlonnetsepa, le ellipticallikarolo tse sekoti tsa sebopeho.
CFCHS = karolo e chitja e chitja e nang le serame;
CFRHS = serame se entsoeng ka lisekoere kapa sekoti se nang le sekoti se khutlo-nne;
Re sebetsa ka ho khetheha ho fana ka karolo ea boleng bo holimo ea circular hollow (CHS) pipe ea tšepe ho fihlela litlhoko tsa hau tse fapaneng tsa boenjiniere.
Botenya ba lebota ≤40mm;
Sedikadikwe: Bophara ba ka ntle ho fihlela ho 2500 mm;
Likarolo tse sekoti tsa sebopeho li tla etsoa kawelding ea motlakase kapa welding ea arc e kentsoeng ka metsing (SAW).
TS EN 10219 likarolo tse sekoti li tla tlisoa ka mokhoa o batang ntle le kalafo e latelang ea mocheso, empa li-welds li ka ba maemong a cheselitsoeng kapa a kentsoeng mocheso.
Haeba theknoloji ea welding ea arc e ka tlas'a metsi e sebelisoa, e ka aroloa ka lihlophaLSAW(SAWL) (Longitudinal Submerged Arc Welding) leSSAW(HSAW) (Spiral Submerged Arc Welding) ho latela tataiso ea seam ea weld.
LSAWe na le melemo e meholo tlhahisong eabophara bo bohololelipeipi tsa tšepe tse teteaneng'me e loketse ka ho khetheha bakeng sa maemo a ts'ebeliso moo matla a holimo, boleng, le litekanyo tse nepahetseng li hlokahalang.
JCOEke ts'ebetso ea bohlokoa haholo le e emelang tlhahiso ea phala ea tšepe ea LSAW.Lebitso la ts'ebetso le tsoa mehatong e mene e meholo ea mokhoa oa ho etsa liphaephe: J-forming, C-forming, O-forming, le Ho atolosa.
Re moetsi oa liphaephe tsa tšepe tsa tšepe tsa boleng bo holimo tse cheselitsoeng le mofani oa thepa ea tsoang Chaena, hape re na le setoko sa liphaephe tsa tšepe tse se nang seam, tse u fang mefuta e mengata ea tharollo ea lipeipi tsa tšepe!
Tlhahlobo ea Cast
Tlhahlobo ea lik'hemik'hale ea lisebelisoa tse tala tsa pipe ea tšepe
S355J0H Bophahamo ba boleng bo lekanang le khabone(CEV): 0.45%.
CEV = C + Mn/6 +(Cr + Mo + V)/5 + (Ni + Cu)/15.
Tlhahlobo ea Lihlahisoa
Tlhahlobo ea lik'hemik'hale tsa likarolo tse se nang letho tse felileng
Ho kheloha ha tlhahlobo ea sehlahisoa ho tloha meeling e boletsoeng bakeng sa tlhahlobo ea ho lahla ho tla ba ho latela litlhoko tse ka tlase.
Ho imolla khatello ea maikutlo ho feta 580 ° C kapa nako e fetang hora ho ka lebisa ho senyeha ha thepa ea mochini.
Teko ea tensile e tla etsoa ho latela EN 10002-1.
Teko ea phello e tla etsoa ho latela EN 10045-1.
a Thepa ea tšusumetso e netefatsoa feela ha Khetho ea 1.3 e hlalositsoe.
c Bakeng sa boholo ba karolo ea D/T <15 (chitja) le (B+H)/2T <12,5 (sekwere le khutlonnetsepa) bolelele bo fokolang bo fokotsehile ka 2.
d Bakeng sa botenya <3 mm bona 9.2.2.
e Bakeng sa thepa ea tšusumetso bakeng sa likarolo tse fokotsehileng tsa liteko bona 6.7.2.
Lintlha: Teko ea tšusumetso ha e hlokehe ha botenya bo boletsoeng bo le <6mm.
Li-welds tse karolong e ka tlas'a metsi e cheselitsoeng ka har'a metsi li tla lekoa ho latela EN 10246-9 bakeng sa sehlopha sa kamohelo sa U4 kapa radiographically ho latela EN 10246-10 bakeng sa boleng ba setšoantšo sa R2.
Teko ea NDT(RT).
Teko ea NDT(UT).
Teko ea Hydrostatic
Re sebelisa mekhoa e fapaneng ea tlhahlobo e sa senyeheng le liteko tsa khatello ea hydrostatic ho netefatsa matla le ho tšoarella ha phala ka 'ngoe.Re fa bareki ba rona lihlahisoa tsa lipeipi tsa tšepe tse finyellang litekanyetso tse phahameng ka ho fetisisa tsa polokeho le boleng ba boleng.
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.
Liphaephe tsa tšepe tsa EN 10219 li loketse bakeng sa ho futhumatsa dip galvanizing.Khetho e ka etsoa ho latela litlhoko tsa 'nete.
E tla ba le bokaholimo bo boreleli bo tsamaellanang le mokhoa oa tlhahiso o sebelisoang;li-bumps, voids, kapa li-grooves tse sa tebang tsa longitudinal tse hlahisoang ke ts'ebetso ea tlhahiso li lumelletsoe ha feela botenya ba tsona bo le ka har'a mamello.
Litšitiso tse kaholimo li ka tlosoa ka ho sila, ha feela botenya ba karolo e lokisitsoeng e se nang letho ha bo ka tlase ho botenya bo lumelletsoeng bo boletsoeng ho EN 10219-2.
Mamello ka Sebopeho, Ho otloloha le 'Misa
Mamello Bolelele
Weld Height
Tlhokahalo ea bophahamo ba weld e sebetsa feela ho li-tubes tsa SAW.
| Botenya, mm | Bolelele ba lifaha tsa weld, limilimithara |
| ≤14,2 | 3.5 |
| >14,2 | 4.8 |
TS EN 10219 S355J0H pipe ea tšepe ke thepa e matla e sa bolaeeng ke kutu e loketseng mefuta e mengata ea meaho le meaho ea boenjiniere, ho kenyeletsoa lisebelisoa tsa qubu ea liphaephe.
1. Pipe Pile: Pipe ea tšepe ea S355J0H e loketse ka ho khetheha bakeng sa ho sebelisoa e le liqubu tsa motheo ka lebaka la matla a eona le ho hanyetsa kutu 'me e sebelisoa haholo kahong ea li-wharves, marokho, metheo ea mohaho le merero e meng e hlokang metheo e tebileng.
2. Mehaho ea ho haha: E sebelisoa hangata bakeng sa likarolo tse joalo ka meaho ea marapo, litšiea tse tšehetsang, le maballo a meaho.
3. Lipalangoang tsa liphaephe: E boetse e loketse hantle bakeng sa ho sebelisoa e le phaephe bakeng sa ho tsamaisa oli le khase libakeng tse telele.Leha ho le joalo, hangata e koahetsoe ho lelefatsa bophelo ba ts'ebeletso, mohlala, 3LPE, FBE, galvanized, joalo-joalo.
4. Mechini ea kaho: E ka sebelisoa ho etsa masakaneng le likarolo tsa mechini e fapaneng ea kaho.
5. Lisebelisoa tsa sechaba: joalo ka li-bleachers mabaleng a lipapali le meaho e meng ea tšehetso bakeng sa lits'ebeletso tse kholo tsa sechaba.
EN 10210 S355J0H: Karolo e se nang letho bakeng sa meaho e cheselitsoeng ea thermoforming.Le hoja e sebelisoa haholo-holo bakeng sa thermoforming, lik'hemik'hale tsa eona tsa lik'hemik'hale le lisebelisoa tsa mechine li tšoana le tsa S355J0H 'me li ka sebelisoa e le ntho e ntle e lekanang.
ASTM A500 Sehlopha sa C: E sebelisoa ha ho etsoa li-tubes tse chitja tse cheselitsoeng kapa tse se nang serame tse pota-potileng, tse lisekoere le tse khutlonnetsepa bakeng sa ts'ebeliso ea meralo.ASTM A500 Grade C e fana ka chai e ts'oanang le matla a tsitsitseng bakeng sa meaho ea meralo le ea mochini.
CSA G40.21 350W: Ena ke tlhaloso ea Canadian Standards Association e koahelang mefuta e mengata ea limaraka tsa tšepe ea mohaho.Litšepe tsa grade 350W li na le chai e tšoanang le matla a thata ho S355J0H.
JIS G3466 STKR490: Ena ke sekoaelo le sekhutlo se sekhutlo sa li-tube material bakeng sa tšebeliso ea meralo joalo ka ha ho boletsoe ho Japanese Industrial Standard (JIS).E loketse ho haha mehaho le merero ea mechine.
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 ea carbon le lihlahisoa tse amanang le tsona, tse kenyelletsang seamless, ERW, LSAW, le phala ea tšepe ea SSAW, hammoho le lethathamo le feletseng la 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.
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
