S235J2W thiab S355J2W yog ob qho tib si huab cua- tiv taus Corten Steels ua raws li European tus qauv EN 10025-5, sib koom "J2" cov lus xaus uas lav -20℃qis-kub los cuam tshuam toughness. Txawm li cas los xij lawv daim ntawv thov kev txawv txav txawv heev hauv cov haujlwm ua haujlwm-los ntawm kev kho vaj tse vaj tse mus rau cov qauv hnyav. Dab tsi ua rau qhov sib txawv no, thiab yuav xaiv cov qib zoo li cas rau cov kev xav tau tshwj xeeb? Cov lus teb tseem ceeb nyob hauvlawv lub zog sib txawv: S235J2W (tsawg- zog) haum lub teeb-load scenarios, thaum S355J2W (nruab nrab-lub zog) hloov mus rau nruab nrab-load, siab- kev ntxhov siab ib puag ncig. Hauv qab no yog ib qho yooj yim, kev txiav txim siab tawg.
1. Lub hauv paus ua rau ntawm daim ntawv thov sib txawv: Core Performance Gap
Qhov tseem ceeb tshaj plaws ntawm qhov sib txawv ntawm ob qib yog lawv lub zog txhua yam, uas ncaj qha txhais lawv cov load-cov kabmob muaj peev xwm thiab kev thov ciam teb (ib EN 10025-5):
S235J2W: Tsawg- qib zog nrog yam tsawg kawg nkaus lub zog (YS) Ntau dua lossis sib npaug ntawm 235MPa thiab tensile zog (TS) 360-510MPa. Nws tsim tsom rau cov huab cua tsis zoo thiab qis -kub toughness, ua ntej tus nqi- ua tau zoo rau kev siv tsis yog- hnyav hnyav.
S355J2W: Nruab nrab- qib zog nrog yam tsawg kawg nkaus YS Ntau dua lossis sib npaug ntawm 355MPa thiab TS 470-630MPa. Nws sib npaug ntawm huab cua tsis kam, qis-kub toughness, thiab siab dua load-bearing muaj peev xwm, haum rau cov khoom siv nyob rau hauv me ntsis kev ntxhov siab.
Cov Lus Cim Tseem Ceeb: Ob qib muaj cov huab cua zoo ib yam (tso rau Cu, Cr, P) thiab qis - qhov kub thiab txias (-20℃cuam tshuam lub zog ntau dua lossis sib npaug rau 27J). Qhov tsuas yog qhov txiav txim siab rau daim ntawv thov Scope yog lawv lub zog sib txawv.
2. Scene-los ntawm-Scene Comparison of Application Scopes
Qhov sib txawv ntawm lub zog txhais tau hais meej meej ciam teb hauv cov ntawv thov siv tau- ntawm no yog qhov lawv haum cov xwm txheej sib txawv:
Architectural & Decorative Applications
S235J2W: Kev xaiv tseem ceeb. Haum rau nyias - ntsuas cov khoom siv kho kom zoo nkauj (3-6 hli), xws li architectural facades, toj roob hauv pes railings, cov ntxaij vab tshaus zoo nkauj, thiab cov pavilions sab nraum zoov me me. Nws ua tau raws li kev zoo nkauj thiab huab cua tiv thaiv kev xav tau ntawm tus nqi qis, tsis xav tau lub zog ntau dhau.
S355J2W: Tsis tshua muaj siv. Tsuas yog xaiv rau cov khoom siv kho kom zoo nkauj uas ua ob npaug li lub teeb- thauj khoom txhawb nqa (piv txwv li, thickened facade panels nrog rau cov khoom siv zais -cov kabmob muaj nuj nqi), tab sis qhov no feem ntau dhau - specification thiab nce nqi.
Kev Siv Hluav Taws Xob & Cov Qauv
S235J2W: Txwv rau lub teeb -load qauv. Muaj feem xyuam rau cov uas tsis yog{2}}cov khoom tseem ceeb xws li kev cob qhia kev ua haujlwm cladding, lub teeb-cov haujlwm txhawb nqa, thiab cov chaw pabcuam me me (load Tsawg dua lossis sib npaug li 5kN / m²). Tsis haum rau lub ntsiab load-cov kabmob.
S355J2W: Thawj qhov kev xaiv rau nruab nrab -load qauv. Siv rau kev lag luam thav duab, chaw nres nkoj davhlau ya nyob twg auxiliary lug, choj mus rau railings, thiab boiler peripherals (load 5-15kN / m²). Nws lub zog siab dua ua kom cov qauv kev ruaj ntseg nyob rau hauv nruab nrab kev ntxhov siab.
Txias-Cov ntawv thov hauv cheeb tsam
S235J2W: Haum rau txias - cheeb tsam lub teeb - thauj khoom. Piv txwv li, lub sam thiaj hauv tsev, cov khoom siv sab nraum zoov me me nyob rau sab qaum teb Europe lossis siab - thaj chaw siab. Nws tso siab rau -20℃toughness kom tsis txhob tawg tawg thaum lub caij ntuj no.
S355J2W: Haum rau txias - cheeb tsam nruab nrab - thauj khoom. Piv txwv li, sab qaum teb ntug dej hiav txwv choj auxiliary beams, alpine industrial cog thav ntawv. Nws ua ke qis - qhov kub thiab txias toughness nrog lub zog siab dua los tiv thaiv ob qho tib si txias kev ntxhov siab thiab cov khoom thauj khoom.
3. Kev Txiav Txim Rau Kev Txiav Txim Siab
Xaiv S235J2W yog: Koj qhov project yog dai kom zoo nkauj / lub teeb-load (tsis muaj lub ntsiab load-bearing), ua qhov tseem ceeb ntawm tus nqi- ua tau zoo, thiab tsuas yog xav tau huab cua tiv thaiv thiab txias. Nws yog qhov kev xaiv pheej yig tshaj plaws rau tsis yog- qauv lossis lub teeb- cov kev xav tau ntawm cov qauv.
Xaiv S355J2W yog: Koj qhov project suav nrog qhov nruab nrab -load- cov khoom sib txuas, lossis cov qauv nyob rau hauv cov cheeb tsam txias uas muaj kev ntxhov siab me ntsis (xws li, kev lag luam thav duab, txuas txuas). Nws lub zog siab dua ua kom ntev - lub sij hawm kev nyab xeeb ntawm cov qauv, ua pov thawj tus nqi siab dua.
Zam kev xaiv tsis raug: Tsis txhob siv S235J2W rau lub ntsiab thauj khoom -cov kabmob (kev pheej hmoo ntawm overload tsis ua haujlwm); tsis txhob siv S355J2W rau kev kho kom zoo nkauj ntshiab (tsis tsim nyog tus nqi nce).
Hauv cov ntsiab lus, qhov sib txawv tseem ceeb hauv daim ntawv thov S235J2W thiab S355J2W nyob rau hauv lawv cov qib zog. S235J2W ua tau zoo ntawm tus nqi- ua haujlwm zoo, lub teeb- thauj khoom, cov xwm txheej zoo nkauj, thaum S355J2W yog tsim rau nruab nrab-load, kev ntxhov siab-cov qauv kabmob- tshwj xeeb tshaj yog nyob rau thaj tsam txias. Kev xaiv raws li cov kev xav tau ntawm kev thauj khoom thiab cov hom phiaj tus nqi ua kom pom kev ua tau zoo thiab kev lag luam rationality.
