S355JOHyog ib qho qauv khoom siv uas yog cov hlau tsis tshua muaj hlau thiab feem ntau yog siv rau kev tsim cov khoom siv txias thiab kub. Cov qauv hlau no yog raws li European tus qauv EN 10219 thiab tshwj xeeb tshaj yog rau kev tsim cov khoom siv welded txias.
S355JOHsiv tau rau kev tsim ntau hom raj, suav nrog cov raj txuas vuam (SSAW), cov raj tsis muaj qhov (SMLS), thiab cov raj txuas ncaj (ERW lossis LSAW).
Lub ntsiab lus ntawm S355JOH
"S" sawv cev rau cov hlau ua vaj tse; "355" sawv cev rau cov khoom siv uas muaj lub zog tsawg kawg nkaus ntawm 355 MPa, uas ua kom muaj kev ruaj khov zoo ntawm cov qauv;
"J0H" yog hais txog ib ntu hollow uas txias thiab muaj zog cuam tshuam ntawm 27 J ntawm qhov kub sim ntawm 0 ° C.
Cov tshuaj lom neeg ntawm S355JOH
Cov pa roj carbon (C): 0.20% siab tshaj.
Silicon (Si): 0.55% siab tshaj.
Manganese (Mn): siab tshaj 1.60%
Phosphorus (P): 0.035% siab tshaj.
Sulfur (S): 0.035% siab tshaj.
Nitrogen (N): 0.009% siab tshaj.
Txhuas (Al): Yam tsawg kawg nkaus 0.020% (qhov yuav tsum tau ua no tsis siv yog tias cov hlau muaj cov ntsiab lus nitrogen-binding txaus)
Thov nco ntsoov tias cov tshuaj sib xyaw ua ke yuav txawv nyob ntawm tus neeg tsim khoom thiab cov lus qhia tshwj xeeb ntawm cov khoom. Tsis tas li ntawd, lwm cov khoom sib xyaw, xws li vanadium, nickel, tooj liab, thiab lwm yam, yuav raug ntxiv thaum lub sijhawm tsim khoom kom txhim kho cov khoom tshwj xeeb ntawm cov hlau, tab sis qhov ntau thiab hom ntawm cov ntsiab lus no ntxiv yuav tsum ua raws li cov qauv cuam tshuam.
S355JOH Cov Khoom Siv Kho Tshuab
Lub zog tso zis tsawg kawg yog 355 MPa;
Lub zog tensile muaj nqis 510 MPa txog 680 MPa;
Nws qhov tsawg kawg nkaus elongation feem ntau yuav tsum tau ntau tshaj 20 feem pua;
Yuav tsum nco ntsoov tias qhov ntev yuav raug cuam tshuam los ntawm qhov loj me, cov duab, thiab cov xwm txheej sim, yog li hauv cov ntawv thov engineering tshwj xeeb, nws yuav tsum tau xa mus rau cov qauv ntxaws ntxaws lossis tshawb xyuas nrog tus neeg muab khoom siv kom tau txais cov ntaub ntawv tseeb.
S355JOH Qhov Loj thiab Kev kam rau siab
Kev kam rau siab ntawm Sab Nraud Txoj Kab uas hla (D)
Rau sab nraud txoj kab uas hla tsis loj dua 168.3 hli, qhov kam rau siab yog ± 1% lossis ± 0.5 hli, seb qhov twg loj dua.
Rau sab nraud txoj kab uas hla loj dua 168.3 hli, qhov kam rau siab yog ± 1%.
Phab Ntsa Thickness (T) Kev kam rau siab
Kev kam rau siab ntawm phab ntsa raws li qhov loj me thiab qib phab ntsa tuab (raws li qhia hauv lub rooj), feem ntau yog ± 10% lossis ntau dua, rau kev tswj hwm qhov tseeb ntawm cov ntawv thov phab ntsa tuab, yuav xav tau kev txiav txim tshwj xeeb.
Kev kam rau siab ntev
Qhov kam rau siab rau qhov ntev txheem (L) yog -0 / + 50 hli.
Rau qhov ntev ruaj khov, qhov kam rau siab feem ntau yog ± 50 hli.
tej qhov ntev tshwj xeeb lossis qhov ntev tseeb yuav muaj qhov yuav tsum tau ua kom nruj dua, uas yuav tsum tau txiav txim siab los ntawm kev sab laj nrog lub chaw tsim khoom thaum lub sijhawm xaj khoom.
Kev kam rau siab ntxiv rau cov seem plaub fab thiab plaub fab
Cov seem plaub fab thiab plaub fab muaj qhov kam rau sab nraud ntawm kaum sab xis ntawm 2T, qhov twg T yog phab ntsa tuab.
Kev kam rau siab ntawm qhov sib txawv ntawm diagonal
Ntawd yog, tus nqi siab tshaj plaws ntawm qhov sib txawv ntawm qhov ntev ntawm ob lub diagonals ntawm cov seem square thiab rectangular, feem ntau tsis pub ntau tshaj 0.8% ntawm tag nrho qhov ntev.
Kev kam rau siab ntawm Lub kaum sab xis thiab Kev sib ntswg
Kev kam rau siab rau qhov ncaj (piv txwv li, qhov ntsug ntawm ib ntu) thiab qhov ntswj (piv txwv li, qhov tiaj tiaj ntawm ib ntu) kuj tau teev tseg kom meej hauv tus qauv kom ntseeg tau tias muaj qhov tseeb ntawm cov qauv thiab qhov tsos tag nrho.
Vim peb mob siab rau qhov zoo tshaj plaws hauv txhua qhov kev tsim khoom, ua ke nrog peb txoj kev paub tob thiab kev paub dhau los hauv kev lag luam uas peb muaj peev xwm ua tiav txoj haujlwm ua tus thawj coj hauv kev tsim khoomS355JOHyeeb nkab hlau.
Peb nkag siab tias txhua qhov project muaj cov kev cai nruj heev rau kev ua haujlwm ntawm cov ntaub ntawv, yog li ntawd, peb tsis yog tsuas yog muab cov khoom lag luam xwb tab sis kuj muab cov kev daws teeb meem rau peb cov neeg siv khoom. Yog tias koj muaj kev xav tau rau peb cov khoom lossis cov kev pabcuam lossis muaj lwm yam lus nug, thov koj xav tiv tauj peb. Peb pab neeg muaj cov kws tshaj lij uas npaj txhij los muab cov ntaub ntawv qhia txog cov khoom lag luam rau koj, cov kev daws teeb meem tshwj xeeb, thiab kev txhawb nqa kev tshaj lij.
cov cim npe: en 10219, s33joh, cov lus nug nquag nug, cov neeg muag khoom, cov chaw tsim khoom, cov chaw tsim khoom, cov neeg khaws khoom, cov tuam txhab, lag luam wholesale, yuav, nqe, hais lus, ntau, muag, nqi.
Lub sijhawm tshaj tawm: Lub Ob Hlis-26-2024