S355 JRthiab S355J0 cov qauv hlau yog dav siv tsis yog - alloy structural steel qib tau teev tseg raws li EN 10025-2, feem ntau siv hauv kev tsim kho, txuas hniav, tshuab tsim, thiab cov qauv hlau.
S355 JR
Nyob rau hauv thawj glance, S355JR vs S355J0 tshwm sim heev. Ob qib muab qhov tsawg kawg nkaus tawm lub zog ntawm 355 MPa, ua rau lawv haum rau nruab nrab - mus rau siab - lub zog siv cov qauv. Txawm li cas los xij, qhov sib txawv tiag tiag tsis yog nyob rau hauv lub zog, tab sis nyob rau hauv kev cuam tshuam kev ntsuas kub xav tau, uas cuam tshuam ncaj qha rau lawv cov ntawv thov ib puag ncig.
Raws li cov chaw tsim khoom thiab cov chaw tsim khoom, GNEE Steel muab EN 10025-2 tau ntawv pov thawj S355JR thiab S355J0 steel phaj, ntu, thiab cov khoom tsim. Nrog cov khoom siv zeb ruaj khov thiab kev tswj xyuas nruj, peb pab cov haujlwm thoob ntiaj teb xaiv cov qib zoo rau kev nyab xeeb thiab kev ua haujlwm ntev.
Chemical Composition ntawm S355JR vs S355J0 Cov Qauv Hlau
Txawm hais tias S355JR thiab S355J0 suav nrog tib tus qauv, lawv cov tshuaj muaj pes tsawg leeg txwv txawv me ntsis, feem ntau yog carbon, phosphorus, thiab sulfur cov ntsiab lus.
Chemical Comparison (%)
| Qib | C (max) | Si (max) | Mn (max) | P (max) | S (max) | Cu (max) | N (max) |
|---|---|---|---|---|---|---|---|
| S355 JR | 0.27 | 0.60 | 1.70 | 0.045 | 0.045 | 0.60 | 0.014 |
| S355J0 | 0.24 | 0.60 | 1.70 | 0.040 | 0.040 | 0.60 | 0.014 |
Mechanical Properties ntawm S355JR vs S355J0 Cov Qauv Hlau
Los ntawm kev xav txog lub zog txhua yam, S355JR thiab S355J0 steel yog yuav luag zoo tib yam. Qhov sib txawv loj dua yog los ntawm kev ntsuas qhov ntsuas kub, tsis tawm los lossis lub zog tensile.
Mechanical Properties Table
| Qib | Yield zog ReH (t Tsawg dua los yog sib npaug rau 16mm) MPa | Tensile zog Rm MPa | Elongation A (%) | Impact Test Temp (degree) | Min Impact Zog (J) |
|---|---|---|---|---|---|
| S355 JR | 355 | 450–680 | Ntau dua lossis sib npaug 22 | +20 | 27 |
| S355J0 | 355 | 450–680 | Ntau dua lossis sib npaug 22 | 0 | 27 |
Kev Ntsuas Qhov Ntsuas: Qhov Tseem Ceeb Qhov txawv ntawm S355JR thiab S355J0
Lub npe JR thiab J0 hauv EN 10025-2 qib steel yog hais txog Charpy V-notch qhov ntsuas kub.
S355JR: Kev sim cuam tshuam ntawm +20 degree
S355J0: Kev sim cuam tshuam ntawm 0 degree
Qhov no yog qhov sib txawv tseem ceeb thiab tseem ceeb tshaj plaws ntawm S355JR vs S355J0 cov qauv hlau.
Vim li cas Impact Test Temperature Matters
Txiav txim siab steel tsis kam rau brittle puas
Ncaj qha cuam tshuam kev ua tau zoo nyob rau hauv cov huab cua txias los yog txawv txav
Influences kev nyab xeeb margins nyob rau hauv load- bearing qauv
Rau cov haujlwm uas raug rau qhov kub thiab txias, S355J0 muaj kev ntseeg siab dua thiab ruaj khov.
S355JR vs S355J0: Daim Ntawv Thov Scenarios thiab Cov Lus Qhia Xaiv
Kev xaiv ntawm S355JR thiab S355J0 cov qauv hlau nyob ntawm qhov kev pabcuam kub thiab kev nyab xeeb.
Cov ntawv thov ntawm S355JR Cov Qauv Hlau
Cov qauv tsim qauv
Hlau ncej hauv cov huab cua me me
Industrial platforms
Machinery puag
Cov ntawv thov ntawm S355J0 Cov Qauv Hlau
Txuas hniav thiab infrastructure
Sab nraum zoov steel qauv
Tsawg- qhov kub thiab txias
Thauj khoom-cov kabmob uas yuav tsum muaj kev nyab xeeb dua
Vim li cas thiaj xaiv GNEE li koj tus S355 Cov Khoom Siv Hlau?
Raws li kev paub dhau los EN 10025-2 cov qauv hlau tsim thiab xa tawm, GNEE muaj:
- Tag nrho traceability nrog EN 10204 3.1 daim ntawv pov thawj
- Cov khoom ruaj khov ntawm S355JR & S355J0 steel phaj thiab ntu
- Cov tshuaj lom neeg nruj & kev sim tshuab
- Kev them nyiaj yug rau SGS / BV / TUV thib peb- tog tshuaj xyuas
- Professional export packing rau hiav txwv freight
Hauv cov ntsiab lus, thaum S355JR vs S355J0 cov qauv hlau sib koom ua ke ntawm tib lub zog raws li EN 10025-2, qhov cuam tshuam qhov ntsuas kub yuav tsum yog qhov sib txawv.
S355JR yog qhov tsim nyog rau kev siv cov qauv txheej txheem
S355J0 muab cov tawv tawv zoo dua ntawm qhov kub thiab txias
Xaiv cov qib raug ua kom ntev - lub sij hawm kev nyab xeeb ntawm cov qauv, kev ua raws, thiab kev siv nyiaj txiag.
S355JR sib npaug li cas?
S355JR cov qhab nia sib npaug muaj cov tshuaj lom neeg zoo heev thiab cov khoom siv kho tshuab rau cov hlau S355JR. Ob qhov S355JR sib npaug qibQ345B, A572 Gr 50, ST52-3, SM490Bthiab S355JR steel yog cov khoom tseem ceeb ntawm Gnee steel.
Qhov txawv ntawm S275JR thiab S355JR yog dab tsi?
S275JR: Muaj qhov tsawg kawg nkaus tawm lub zog ntawm 275 MPa rau thicknesses txog 16 hli. Qhov no ua rau nws haum rau cov ntawv thov uas muaj lub zog muaj zog txaus. S355JR: Muab qhov siab tshaj qhov ua tau zoo ntawm 355 MPa rau thicknesses txog 16 hli, ua rau nws zoo tagnrho rau tej yaam num uas yuav tsum tau ntau dua load- bearing muaj peev xwm.
S355JR steel yog dab tsi?
355jr uaqib qis- carbon steel feem ntau siv rau hauv cov qauv siv. Nws yog ib feem ntawm 'S' tsev neeg hlau, uas suav nrog qib S235, S275, thiab S355. Qhov kev xaiv "JR" txhais tau hais tias cov khoom tau raug rau Charpy V- qhov ntsuas qhov cuam tshuam ntawm 208℃thiab muaj qhov cuam tshuam tsawg kawg ntawm 27 Joules.