Q450 NQR 1yog lub siab -lub zog, qis- alloy weathering steel tsim los muab kev tiv thaiv corrosion zoo heev, siab yield zog, thiab cuam tshuam toughness.
Q450 NQR 1
Nws corrosion- tiv taus kev ua tau zoo ua rau nws zoo tagnrho rau cov tsheb ciav hlau, cov thawv thauj khoom, txuas hniav, thiab cov khoom siv hnyav.
Los ntawm kev tsim cov txheej tiv thaiv xeb (patina), Q450NQR1 txo cov nqi tu, ncua kev pab cuam lub neej, thiab txhim kho kev ntseeg tau.
Cov cuab yeej ntawmQ450NQR1 weathering steel phaj
Q450NQR1 yog alloyed nrog Cu, Cr, Ni, Mo, Nb, V, Ti, thiab P nyob rau hauv ib txoj lw, ua rau cov hlau ib txwm tsim ib qho kev tiv thaiv -FeOOH txheej thaum raug huab cua puag. Qhov no patina tiv thaiv kev sib sib zog nqus corrosion, txo cov thinning, thiab txo kev txij nkawm.
Comparative corrosion kev ua tau zoo (kev ntsuas nrawm):
| Qib Steel | Qhov hnyav (g / m²) | Rust Txheej Txheej | Lus hais |
|---|---|---|---|
| Q450 NQR 1 | 0.8 | -FeOOH | Zoo heev corrosion kuj |
| Q345qD (cov pa roj carbon zoo tib yam) | 1.6 | -FeOOH | Ceev ceev corrosion, yuav tsum tau txheej |
Q450NQR1 qhia 50% txo qhov hnyav dua li cov pa roj carbon zoo tib yam nyob rau hauv kev ntsuam xyuas atmospheric corrosion.
Mechanical Properties ntawmQ450NQR1 weathering steel phaj
Lub tshuab ua haujlwm ntawm Q450NQR1 ua kom lub zog thiab tawv, tseem ceeb heev rau cov qauv hnyav -.
| Khoom | Q450 NQR 1 | Test Standard |
|---|---|---|
| Yield zog | Ntau dua lossis sib npaug li 450 MPa | GB/T 1979 |
| Tensile zog | 540-690 MPa | GB/T 1979 |
| Elongation (A%) | Ntau dua lossis sib npaug li 18% | GB/T 232 |
| Impact Toughness (J) | Ntau tshaj lossis sib npaug li 27 @ -20 degree | GB/T 229 |
| Hardness (HB) | 160–210 | GB/T 231.1 |
Cov khoom no ua rau Q450NQR1 haum rau cov qauv uas xav tau ob qho tib si muaj peev xwm thiab corrosion kuj.
Hom kev siv ntawmQ450NQR1 weathering steel phaj
Q450NQR1 corrosion-cov ntawv hlau resistant yog dav siv nyob rau hauv kev lag luam uas durability thiab tsis tshua muaj txij nkawm tseem ceeb heev:
| Daim ntawv thov cheeb tsam | Kev siv tshwj xeeb | Qhov zoo |
|---|---|---|
| Railway Tsheb | Tsheb lub cev, underframes, chassis Cheebtsam | Txo qhov hnyav, ua haujlwm ntev |
| Freight Thawv | Sab panels, pem teb decks, structural thav duab | Tiv thaiv corrosion thaum thauj |
| Txuas hniav & Infrastructure | Girders, lawj daim hlau, yees | Minimizes repainting, ntev -lub sij hawm stability |
| Kev tsim kho tshuab | Booms, ncej, khoom hnyav | Siab- zog, qis- kub toughness |
| Khoom siv sab nraum zoov | Cia tank, pipelines, platforms | Ntev - lub sij hawm durability yam tsis muaj coatings |
Yuav ua li cas txog Fabrication thiab Vuam rauQ450NQR1 weathering steel phaj
Q450NQR1 yog ib qho yooj yim rau fabricate txawm tias muaj zog, tab sis xav tau kev saib xyuas rau cov phaj tuab:
- Vuam: Tsawg carbon sib npaug ntau dua -lub zog steels; txheem preheat feem ntau txaus
- Kev sib sau: Txhawb kev khoov thiab nruab nrab ua haujlwm txias yam tsis muaj kev tawg
- Machining & Txiav: Tau tshaj plasma, laser, thiab thermal txiav
- Txheej & Kev Npaj Nto: Ntxiv txheej xaiv, feem ntau yog rau kev zoo nkauj
Ib txwm txheeb xyuas cov txheej txheem vuam tshwj xeeb (WPS) thiab ua cov kev ntsuam xyuas cov neeg sawv cev rau cov khoom tseem ceeb.
Tus nqi ntawmQ450NQR1 weathering steel phaj
Txawm hais tias tus nqi pib yog siab dua li cov pa roj carbon zoo tib yam, Q450NQR1 lub sijhawm ntev - cov txiaj ntsig zoo dua cov nqi them ua ntej:
- Txo cov nqi kho thiab rov ua dua tshiab
- Lub neej ua haujlwm ntev dua, txawm tias nyob rau hauv marine lossis industrial atmospheres
- Tsawg zog thiab siv cov khoom siv
Q450NQR1 corrosion-resistant steel phaj muab qhov sib npaug ntawm lub zog siab, corrosion resistance, thiab toughness, ua rau nws zoo tagnrho rau cov qauv hnyav, sab nraum zoov, thiab kev thauj mus los. Nws cov kav ntev thiab kev tiv thaiv patina txo cov nqi ntawm lub neej thaum tswj kev ncaj ncees.
Kev nqis peev hauv Q450NQR1 ua kom ntseeg tau tias kev ua tau zoo, txuas ntxiv kev pab cuam lub neej, thiab tus nqi - cov kev daws teeb meem zoo rau cov haujlwm niaj hnub engineering. Tiv tauj peb hnub no los thov ib nqe lus los yog kawm ntxiv txog peb cov kev daws teeb meem tag nrho ntawm huab cua steel.
Hu rau tam sim no kom tau txais Q450NQR1 Corten Steel Plate Quote
Q450NQR1 siab zog huab cua steel phaj yog dab tsi?
A:Q450NQR1 yog lub zog muaj zog huab cua uas tsim los ntawm Cu-Cr-Ni alloy system, optimized nrog C, Si, Mn, thiab kab kawm zoo li Nb thiab Ti. Nws ua ke lub zog siab, zoo heev toughness, thiab superior atmospheric corrosion kuj, ua rau nws zoo tagnrho rau cov choj, kev tsim kho, hnyav machinery, thiab sab nraum zoov steel qauv.
Dab tsi yog cov khoom siv kho tshuab ntawm Q450NQR1?
A:Q450NQR1 muaj lub zog tawm los Ntau dua lossis sib npaug ntawm 450 MPa, lub zog tensile Ntau dua lossis sib npaug ntawm 600 MPa, elongation tom qab tawg Ntau dua lossis sib npaug li 21%, thiab cuam tshuam lub zog ntawm -40℃Ntau dua lossis sib npaug rau 60 J. Cov khoom no ua kom cov hlau ua tau zoo, muaj kev nyab xeeb thiab hnyav.
Q450NQR1 piv rau Q345GNHL lossis Q235B steel li cas?
A:Q450NQR1 muaj qhov zoo corrosion kuj zoo dua li Q345GNHL thiab Q235B, tsim cov txheej tiv thaiv oxide uas txo cov txij nkawm. Nws tseem muaj zog dua thiab tawv, ua rau nws tsim nyog rau kev thov sab nraum zoov thiab cov qauv siv.
Dab tsi ua rau Q450NQR1 tiv taus corrosion?
A:Q450NQR1 muaj cov khoom zoo tshaj plaws xws li Cu, Cr, thiab Ni. Nws cov corrosion kuj Performance index I> 6.0 thiab J> 1.0, thiab cov kev kuaj sim xws li ntsev tsuag thiab cyclic immersion paub meej tias superior atmospheric corrosion kev ua tau zoo.
Puas yog Q450NQR1 weldable?
A:Yog lawm, Q450NQR1 muaj weldability zoo heev. Nws tuaj yeem welded siv cov txheej txheem vuam yam tsis muaj preheating feem ntau, ua tsaug rau nws cov tshuaj muaj pes tsawg leeg thiab ua kom zoo dua microstructure. Qhov no ua rau nws zoo tagnrho rau cov txheej txheem complex.
