S355JOHngumgangatho wezinto eziphathekayo ongoweentsimbi ezakhiweyo eziphantsi kwe-alloy kwaye usetyenziselwa kakhulu ukwenziwa kwamacandelo angaphakathi angaphakathi abandayo kunye nangaphakathi ashushu. Lo mgangatho wentsimbi usekelwe kumgangatho waseYurophu we-EN 10219 kwaye ufanelekile ngokukodwa ukwenziwa kwamacandelo angaphakathi angaphakathi adibeneyo.
S355JOHingasetyenziselwa ukwenza iintlobo ngeentlobo zeetyhubhu, kuquka iityhubhu ezidityanisiweyo ezijikelezayo (SSAW), iityhubhu ezidityanisiweyo (SMLS), kunye neetyhubhu ezidityanisiweyo ezidityanisiweyo ezithe tye (ERW okanye LSAW).
Intsingiselo ye-S355JOH
"S" imele intsimbi yokwakha; "355" imele izinto ezinamandla amancinci okuvelisa angama-355 MPa, nto leyo eqinisekisa uzinzo oluhle lwesakhiwo; "
I-J0H" ibhekisa kwicandelo elingenanto elenziwe ngokubandayo elinamandla okuchaphazela angama-27 J kubushushu bovavanyo obuyi-0°C.
Ulwakhiwo lweekhemikhali lwe-S355JOH
Ikhabhoni (C): 0.20% ubuninzi.
I-Silicon (Si): 0.55% ubuninzi.
IManganese (Mn): ubuninzi be-1.60%
I-Phosphorus (P): 0.035% ubuninzi.
I-Sulfur (S): 0.035% ubuninzi.
I-nitrogen (N): 0.009% ubuninzi.
I-Aluminiyam (Al): ubuncinci obuyi-0.020% (le mfuneko ayisebenzi ukuba intsimbi inezinto ezaneleyo zokubopha i-nitrogen)
Nceda uqaphele ukuba ukwakheka kweekhemikhali ezithile kunokwahluka ngokuxhomekeke kumenzi kunye neenkcukacha ezithile zemveliso. Ukongeza, ezinye izinto zokudibanisa, ezifana ne-vanadium, i-nickel, i-copper, njl.njl., zingongezwa ngexesha lenkqubo yemveliso ukuze kuphuculwe iipropati ezithile zentsimbi, kodwa ubungakanani kunye nohlobo lwezi zinto ezongeziweyo kufuneka zihambelane nemigangatho efanelekileyo.
Iipropati zoomatshini ze-S355JOH
Amandla amancinci okuvelisa ubuncinane angama-355 MPa;
Amandla okutsalwa axabisa ukusuka kwi-510 MPa ukuya kwi-680 MPa;
Ukwandiswa kwayo okuncinci kudla ngokufuneka kube ngaphezulu kwama-20 ekhulwini;
Kufuneka kuqatshelwe ukuba ulwandiso lunokuchaphazeleka bubungakanani besampulu, imilo, kunye neemeko zovavanyo, ngoko ke kwizicelo ezithile zobunjineli, kunokufuneka ubhekisele kwimigangatho eneenkcukacha okanye ujonge nomthengisi wezinto ukuze ufumane idatha echanekileyo.
Ubukhulu kunye nokunyamezela kwe-S355JOH
Ukunyamezelana kobubanzi obungaphandle (D)
Kwiidayamitha zangaphandle ezingadluli kwi-168.3mm, ukunyamezelana yi-±1% okanye ±0.5mm, nokuba yeyiphi na enkulu.
Kwidayamitha yangaphandle engaphezulu kwe-168.3mm, ukunyamezelana yi-±1%.
Ubukhulu Bodonga (T) Ukunyamezela
Ukunyamezela ubukhulu bodonga ngokusekelwe kubungakanani obuthile kunye nomgangatho wobukhulu bodonga (njengoko kubonisiwe kwitheyibhile), ngesiqhelo kwi-± 10% okanye ngaphezulu, ukuze kulawulwe ngokuchanekileyo ukusetyenziswa kobukhulu bodonga, kunokufuna iodolo ekhethekileyo.
Ukunyamezela Ubude
Ukunyamezela ubude obuqhelekileyo (L) yi--0/+50mm.
Kubude obumiselweyo, ukunyamezelana kudla ngokuba yi-±50mm.
ubude obuthile okanye ubude obuchanekileyo bunokuba neemfuno zokunyamezelana okuqinileyo, ekufuneka zimiselwe ngokubonisana nomenzi ngexesha loku-odola.
Ukunyamezelana Okungakumbi KweeCandelo Zesikwere Nezoxande
Amacandelo esikwere kunye namacala angxande anomlinganiselo we-2T ekhoneni elingaphandle, apho u-T bubukhulu bodonga.
Ukunyamezelana koMmahluko oDiagonal
Oko kukuthi, ixabiso eliphezulu lomahluko phakathi kobude bee-diagonals ezimbini zamacandelo esikwere kunye namacala angxande, lidla ngokuba lingabi ngaphezulu kwe-0.8% yobude bubonke.
Ukunyamezela i-Engile yasekunene kunye neDigri yokujika
Ukunyamezela ukuthe tye (oko kukuthi, ukuma nkqo kwecandelo) kunye nokujika (oko kukuthi, ukuthamba kwecandelo) nazo zichazwe ngokweenkcukacha kumgangatho ukuqinisekisa ukuchaneka kwesakhiwo kunye nembonakalo iyonke.
Kungenxa yokuzinikela kwethu ekugqweseni kuzo zonke iinkcukacha zemveliso, kudityaniswe nolwazi lwethu olunzulu namava kushishino, nto leyo esenza sikwazi ukufumana isikhundla esiphambili kwimveliso yeS355JOHumbhobho wentsimbi.
Siyaqonda ukuba yonke iprojekthi ineemfuno ezingqongqo zokusebenza kwezinto, ngoko ke, asiboneleli nje kuphela ngeemveliso kodwa sikwabonelela ngezisombululo ezibanzi kubathengi bethu. Ukuba uneemfuno zeemveliso okanye iinkonzo zethu okanye unemibuzo, nceda uzive ukhululekile ukunxibelelana nathi. Iqela lethu linabasebenzi abanamava abakulungeleyo ukukunika ulwazi oluneenkcukacha ngemveliso, izisombululo ezenzelwe wena, kunye nenkxaso yobugcisa yobungcali.
iithegi: en 10219, s33joh, imibuzo ebuzwa rhoqo, ababoneleli, abavelisi, iifektri, abathengisi besitokhwe, iinkampani, ukuthengisa ngobuninzi, thenga, ixabiso, ikowuteshini, inqwaba, yokuthengisa, ixabiso.
Ixesha leposi: Februwari-26-2024