EN 10025-2 tus qauv S275JR UPN Channelthiab S235JR UPN Channel muaj nyob rau hauv Tshuag hauv Tuam Tshoj warehouses. Cov UPN channel no tau siv dav hauv kev tsim vaj tsev, kab hlau rhuav phab ntsa, kev tsim khoom siv tshuab, thiab kev tsim tsheb.
S275JR UPN channel belongs rau qeb ntawm grooved ntev steel seem nrog U-zoo li profile.
Ob leeg S235JR UPN Channel thiab S275JR UPN Channel tsis yog -alloy carbon structural channel steels. Piv nrog rau S235JR, S275JR UPN Channel muaj ntau dua yield zog thiab tensile lub zog, ua rau nws zoo dua rau cov ntawv thov uas yuav tsum tau txhim kho load- bearing kev ua tau zoo.
Rau cov haujlwm uas muaj - qhov yuav tsum tau ua qhov kub thiab txias, peb kuj tuaj yeem muab S275J0 UPN Channel, S275J2 UPN Channel, nrog rau qib siab - lub zog xws li S355J0 thiab S355J2 UPN Channels.
Hauv qab no yog kev sib piv ntawm cov tshuaj muaj pes tsawg leeg thiab cov khoom siv kho tshuab ntawm EN 10025-2 S235JR channel steel thiab S275JR channel steel.
S235JR vs S275JR
Chemical Composition (Kev Ntsuas Kub, Max %)
| Txuj | Qib | C | Mn | P | S | Si | Cu | N |
|---|---|---|---|---|---|---|---|---|
| TS EN 10025-2 | S235 JR | 0.16 | 1.20 | 0.025 | 0.020 | – | 0.55 | 0.012 |
| TS EN 10025-2 | S275 JR | 0.21 | 1.50 | 0.035 | 0.035 | – | 0.55 | 0.012 |
Mechanical Properties
| Txuj | Qib | Thickness | Yield zog (MPa, Min.) | Tensile zog (MPa) |
|---|---|---|---|---|
| TS EN 10025-2 | S235 JR | T Tsawg dua los yog sib npaug li 16 hli | 235 | 360–510 |
| TS EN 10025-2 | S275 JR | T Tsawg dua los yog sib npaug li 16 hli | 275 | 410–560 |
Q1: S275JR steel channel yog dab tsi?
Ib qho S275JR steel channel yog cov txheej txheem channel tsim raws li EN 10025-2. Nws yog feem ntau muab rau hauv U-channel lossis C-channel duab thiab muab qhov tsawg kawg nkaus tawm lub zog ntawm 275 MPa rau cov qauv siv dav dav.
Q2: Tus qauv twg siv rau S275JR channel steel?
S275JR channel steel yog tswj hwm los ntawm EN 10025-2, uas qhia txog cov tshuaj lom neeg muaj pes tsawg leeg, cov khoom siv kho tshuab, kev cuam tshuam toughness, thiab kev xa khoom rau cov khoom siv hlau kub.
Q3: Cov cuab yeej siv tshuab dab tsi S275JR channel steel muaj?
S275JR channel steel muab qhov tsawg kawg nkaus lub zog ntawm 275 MPa, lub zog tensile ntawm kwv yees li 410-560 MPa, thiab zoo elongation, kom ntseeg tau tias kev ua tau zoo hauv nruab nrab load-cov qauv kabmob.
Q4: Qhov kev xaiv "JR" txhais li cas rau S275JR raws?
Lub npe "JR" qhia txog qhov cuam tshuam tsawg kawg nkaus ntawm 27 J kuaj ntawm +20 degree, lees paub qhov muaj zog txaus rau kev siv nyob rau hauv ib puag ncig qhov kub thiab txias.
Q5: S275JR channel steel piv nrog S355JR channel steel li cas?
Piv nrog rau S355JR, S275JR channel steel muaj zog tawm los qis dua tab sis muaj cov nqi zoo dua rau cov ntawv thov nrog cov qauv nruab nrab. Nws feem ntau raug xaiv thaum kev xav txog nyiaj txiag thiab kev tsim kev yooj yim yog qhov tseem ceeb.
Q6: Puas yog S275JR channel steel haum rau vuam?
Yog lawm, S275JR channel steel tau zoo heev weldability vim nws cov ntsiab lus carbon tsawg thiab tswj cov pa sib npaug. Cov txheej txheem vuam txheej txheem tuaj yeem siv yam tsis muaj preheating tshwj xeeb rau feem ntau cov tuab tuab.
Q7: S275JR cov channel puas tuaj yeem siv rau hauv kev sib txuas bolted lossis riveted?
S275JR channels ua tau zoo hauv kev sib txuas bolted thiab riveted. Lawv cov khoom siv kho tshuab ruaj khov ua kom ntseeg tau tias muaj kev hloov pauv hloov pauv thaum tsim los ua raws li cov qauv kev tsim vaj tsev.
Q8: Dab tsi ntawm cov tshooj channel muaj nyob hauv S275JR?
S275JR feem ntau muab nkag rau hauv UPN channels, UPE channels, thiab parallel flange channels. Tshooj muaj nyob ntawm zeb dov muaj peev xwm thiab cheeb tsam specifications.
Q9: Dab tsi yog daim ntawv thov ntawm S275JR channel steel?
S275JR channel steel yog dav siv nyob rau hauv steel thav duab, kev txhawb nqa cov qauv, bracing systems, platforms, khoom thav duab, stair stringers, thiab lub teeb kev lag luam los yog lag luam tsim.
Q10: Puas yog S275JR channel steel haum rau qis -kev pabcuam kub?
S275JR yog tsim rau cov qauv ambient kub ib puag ncig. Rau cov kev pabcuam txias dua, cov qib xws li S275J0 lossis S275J2 raug pom zoo vim tias muaj kev cuam tshuam zoo dua ntawm qhov kub thiab txias.
Q11: Dab tsi saum npoo yog muab rau S275JR raws?
S275JR channel steel feem ntau yog muab nyob rau hauv qhov kub -rolled mob nrog zeb nplai ntawm qhov chaw. Kev xaiv qhov chaw kho mob xws li txhaj tshuaj blasting, priming, galvanizing, lossis pleev xim tuaj yeem muab tau raws li qhov kev thov.
Q12: Qhov ntev thiab qhov ntau thiab tsawg yog muaj rau S275JR channel steel?
S275JR channels feem ntau muab rau hauv cov qauv ntev xws li 6 m lossis 12 m, nrog kev txiav - mus rau - ntev cov kev pabcuam muaj. Ntu qhov ntau thiab tsawg sib txawv nyob ntawm hom channel thiab ntau lawm.