S355J2WP Weathering Steel nta
S355J2WP steel phaj Khoom Taw qhia
S355J2WP Weathering Steel nta
Hais txog cov hlau tsis tshua muaj hlau uas muaj cov txheej txheem tiv thaiv xeb uas tiv taus atmospheric corrosion thiab tuaj yeem siv los tsim steel qauv xws li tsheb, txuas hniav, yees, ntim, thiab lwm yam. Muab piv nrog cov hlau tsis muaj steel, cov hlau tsis muaj zog tsuas muaj cov khoom siv alloying xwb, xws li phosphorus, tooj liab, chromium, nyiaj, aluminium, nyiaj, thiabium, titanium, thiab lwm yam. Tag nrho cov ntsiab lus alloying tsuas yog ob peb feem pua, tsis zoo li stainless hlau, uas ncav cuag ntau tshaj kaum feem pua, yog li tus nqi kuj tsawg.
S355J2WP Weathering Steel Txoj Cai
After adding trace elements such as phosphorus, copper, chromium, and silver to steel, a dense and highly adherent protective film is formed on the surface of the steel, which prevents rust from spreading and developing inward, protects the substrate under the rust layer, and slows down its corrosion rate. Lub amorphous quartz oxide txheej nrog ib tug tuab ntawm txog 50 μm mus rau 100 μm tsim ntawm cov xeb txheej thiab cov substrate yog ntom thiab muaj zoo adhesion rau lub substrate hlau. Due to the existence of this dense oxide film, oxygen and water in the atmosphere are prevented from penetrating into the steel substrate, slowing down the development of rust into the depth of the steel material, and greatly improving the atmospheric corrosion resistance of the steel material. Weathering steel yog cov hlau uas siv tau rau hauv cov txheej txheem thinner, nthuav tawm lossis yooj yim txheej txheej, ua rau cov khoom siv corrosion-tiv taus thiab lub neej- txuas ntxiv, ua haujlwm-txuag thiab noj-txo, thiab kho dua tshiab. Nws kuj tseem yog ib lub tshuab hlau uas tuaj yeem koom ua ke rau hauv cov txheej txheem tshiab, cov thev naus laus zis tshiab, thiab cov txheej txheem tshiab ntawm cov hlau niaj hnub los pab kom nws txoj kev loj hlob tsis tu ncua thiab kev tsim kho tshiab.
S355J2WP phaj Khoom Paub meej
Cov tshuaj muaj pes tsawg leeg ntawm steel S355J2WP (1.8946): EN 10025-5-2004
| Txoj kev deoxidation FF=tag nrho cov hlau tua Rau cov khoom ntev lubPthiabScov ntsiab lus tuaj yeem yog 0.005% siab dua Cov hlau tuaj yeem qhia Ni cov ntsiab lus ntawm max . 0,65% Cov hlau yuav tsum muaj tsawg kawg yog ib qho ntawm cov ntsiab lus hauv qab no: Al tag nrho Ntau dua lossis sib npaug li 0,020%, Nb: 0,015 - 0,060%, V: 0,{6}},12%, Ti: 0,02 - 0,10%. Yog tias cov ntsiab lus no tau siv ua ke, tsawg kawg ib qho ntawm lawv yuav tsum muaj nrog cov ntsiab lus yam tsawg kawg nkaus |
| C | Si | Mn | P | S | Cr | Cu | CEV |
| max 0.12 | max 0.75 Nws | max 1 | 0.06 - 0.15 | max 0.03 Nws | 0.3 - 1.25 | 0.25 - 0.55 | max 0.52 |
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GNEE lav qhov zoo ntawm peb cov khoom nrog lub zog nyiaj txiag muaj zog, kev tswj hwm qib siab thiab kev tswj hwm nruj rau cov khoom tuaj. Peb muaj npe nrov thoob plaws tebchaws rau peb cov khoom zoo heev thiab lub koob npe nrov, thiab tau txais kev ntseeg siab thiab kev txhawb nqa ntawm cov hlau loj thiab cov neeg siv khoom.
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Yog tias koj muaj kev xav tau ntau ntxiv thiab cov lus nug txog S355J2WP Steel Phaj, peb zoo siab los qhia koj!
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