S355JOHke tekanyetso ea thepa eo e leng ea litšepe tsa sebopeho sa alloy tse tlase 'me e sebelisoa haholo-holo bakeng sa ho etsa likarolo tse nang le sekoti se batang le se chesang.Tekanyetso ena ea tšepe e ipapisitse le maemo a Europe a EN 10219 mme e loketse ka ho khetheha bakeng sa ho etsoa ha likarolo tse nang le likoti tse entsoeng ka mokhoa o batang.
S355JOHe ka sebelisoa bakeng sa ho etsa mefuta e mengata ea mefuta e mengata ea li-tubes, ho kenyelletsa le li-tubes tse nang le spiral welded (SSAW), li-tubes tse se nang moeli (SMLS), le li-tubes tse otlolohileng tsa seam (RW kapa LSAW).
Tlhaloso: S355JOH
"S" e emetse tšepe ea mohaho;"355" e emela thepa e nang le matla a fokolang a 355 MPa, e tiisang botsitso bo botle ba sebopeho;"
J0H" e bolela karolo e sekoti e nang le sekoti se nang le matla a 27 J mocheso oa teko oa 0°C.
S355JOH sebopeho sa lik'hemik'hale
Khabone (C): 0.20% max.
Silicon (Si): 0.55% max.
Manganese (Mn): boholo ba 1.60%
Phosphorus (P): 0.035% max.
Sebabole (S): 0,035% boholo.
Nitrojene (N): 0.009% boholo.
Aluminium (Al): 0.020% bonyane (tlhoko ena ha e sebetse haeba tšepe e na le likarolo tse lekaneng tse tlamang naetrojene)
Ka kopo hlokomela hore metsoako e khethehileng ea lik'hemik'hale e ka fapana ho latela moetsi le litlhaloso tse khethehileng tsa sehlahisoa.Ntle le moo, likarolo tse ling tsa alloying, joalo ka vanadium, nickel, koporo, joalo-joalo, li ka eketsoa nakong ea ts'ebetso ea tlhahiso e le ho ntlafatsa thepa e khethehileng ea tšepe, empa palo le mofuta oa likarolo tsena tse ekelitsoeng li lokela ho latela maemo a maleba.
Lintho tsa S355JOH Mechini
Bonyane matla a tlhahiso a bonyane 355 MPa;
Matla a matla a 510 MPa ho isa ho 680 MPa;
Bolelele ba eona bo fokolang hangata bo hlokoa ho feta liperesente tse 20;
Ho lokela ho hlokomeloa hore bolelele bo ka angoa ke boholo ba sampole, sebopeho le maemo a tlhahlobo, ka hona lits'ebetsong tse ikhethileng tsa boenjiniere, ho ka hlokahala ho bua ka litekanyetso tse qaqileng kapa ho shebana le mofani oa thepa ho fumana lintlha tse nepahetseng.
S355JOH Litekanyo le Mamello
Mamello ea bophara ba Kantle (D)
Bakeng sa bophara ba ka ntle ho feta 168.3mm, mamello ke ± 1% kapa ± 0.5mm, ho sa tsotellehe hore na ke efe e kholoanyane.
Bakeng sa bophara ba ka ntle ho feta 168.3mm, mamello ke ± 1%.
Botenya ba Lerako (T) Mamello
Ho mamellana le botenya ba lebota ho ipapisitse le boholo bo itseng le kereiti ea botenya ba lebota (joalo ka ha ho bonts'itsoe tafoleng), hangata ho ± 10% kapa ho feta, bakeng sa taolo e nepahetseng ea lits'ebetso tsa botenya ba lebota, ho ka hloka taelo e khethehileng.
Mamello ea Bolelele
Mamello bakeng sa bolelele bo tloaelehileng (L) ke -0/+50mm.
Bakeng sa bolelele bo tsitsitseng, mamello hangata ke ± 50mm.
bolelele bo itseng kapa bolelele bo tobileng bo ka 'na ba e-ba le litlhoko tse thata tsa mamello, tse lokelang ho khethoa ka ho buisana le moetsi ka nako ea ho reka.
Mamello e Eketsehileng bakeng sa Karolo ea Sekwere le ea Rectangular
Likarolo tse sephara le tse khutlonnetsepa li na le mamello ea radius e kantle ea 2T, moo T e leng botenya ba lebota.
Mamello ea Phapang ea Diagonal
Ke hore, boleng bo phahameng ba phapang pakeng tsa bolelele ba li-diagonal tse peli tsa likarolo tsa lisekoere le tse nang le mahlakore a mabeli, hangata ha li fete 0.8% ea bolelele bohle.
Mamello ea Right Angle le Ho Sotha Degree
Mamello bakeng sa ho otloloha (ke hore, ho otloloha ha karolo) le ho sotha (ke hore, ho batalla ha karolo) le tsona li hlalositsoe ka ho qaqileng ho litekanyetso ho netefatsa ho nepahala ha sebopeho le ponahalo ea kakaretso.
Ke ka lebaka la boinehelo ba rona ba bokhabane boitsebisong bo bong le bo bong ba tlhahiso, ho kopantsoe le tsebo ea rona e tebileng le phihlelo ea rona lefapheng leo re khonang ho finyella boemo bo ka sehloohong tlhahisong eaS355JOHphala ea tšepe.
Rea utloisisa hore morero o mong le o mong o na le litlhoko tse tiileng mabapi le ts'ebetso ea thepa, ka hona, ha re fane ka lihlahisoa feela empa hape re fana ka tharollo e felletseng bakeng sa bareki ba rona.Haeba u na le litlhoko tsa lihlahisoa kapa litšebeletso tsa rona kapa u na le lipotso tse ling, ka kopo ikutloe u lokolohile ho ikopanya le rona.Sehlopha sa rona se na le litsebi tse nang le boiphihlelo tse ikemiselitseng ho u fa leseli le felletseng la sehlahisoa, litharollo tse ikhethileng, le tšehetso ea botekgeniki ea litsebi.
tags: st 10219, s33joh, faqs, bafani, bahlahisi, lifeme, li-stock, lik'hamphani, thekiso, theko, qotso, bongata, thekiso, litšenyehelo.
Nako ea poso: Feb-26-2024