Thaum kev nqis peev hauv cov qauv hlau sab nraum zoov, cov tswv cuab cuab tam thiab pab pawg engineering tsis yog yuav cov khoom siv xwb - lawv yuav ntau xyoo ntawm kev ua tau zoo thiab cov nqi qis dua. Rau ib puag ncig hnyav, los ntawm lub caij ntuj sov sab qaum teb mus rau ntsev- cov huab cua hauv hiav txwv thiab kev ua qias tuaj, ntau qib Corten Steel cov qauv poob qis ntawm lawv lub neej tsim, succumbing rau ntxov ntxov corrosion los yog brittle puas xyoo ntxov tshaj li qhov xav tau. Rau SMA400CW Corten Steel, nruj me ntsis raws li Nyiv JIS G 3114: 2022 specification rau kub- dov atmospheric corrosion-resistant welded steels, nws lub neej kev pab sab nraum zoov tsis yog ib qho - loj- haum- txhua tus lej. Hloov chaw, nws yog qhov kwv yees tau, JIS- siv tau ntau yam, txuas ncaj qha rau kev cuam tshuam ib puag ncig, kev tsim qauv, thiab kev saib xyuas yooj yim. Thaum muab tso rau hauv nws qhov kev npaj siv, nws muab 30–50% lub neej ua haujlwm ntev dua li kev nkag- qib SMA400 series, txawm nyob rau hauv cov kev xav tau tshaj plaws.
JIS G 3114: 2022 Core Benchmark rau Lifespan Predictability
Corten Steel qauv kawg - ntawm- kev pab cuam lub neej yog txhais los ntawm thaum tsub zuj zuj ntawm corrosion ntau tshaj li tus tsim qhov kev tiv thaiv corrosion, txo cov qauv load peev hauv qab qhov yuav tsum tau muaj kev ruaj ntseg. SMA400CW's lifespan yog rooted nyob rau hauv nws JIS-mandated alloy formulation: ib tug yuav tsum tau 0.20–0.60% npib tsib xee ntxiv, ua ke nrog 0.30–0.50% tooj liab thiab 0.45–0.75% chromium, tsim ib tug ntom, nws tus kheej {{11}pabilization ntawm corrosion ntau npaum li cas. ntseeg tau ntau dua li qis -nickel SMA400 variants. Nws qhov ultra- qis qis 0.12% siab tshaj cov ntsiab lus carbon thiab nruj impurity txwv kuj tshem tawm qhov kev pheej hmoo ntawm pob txha tawg hauv sub- xoom kub, kom ntseeg tau tias muaj kev ntseeg ruaj khov rau lub neej tsim tag nrho.
Kev Pabcuam Kev Cia Siab los ntawm Ib puag ncig raug pom (JIS-Aligned)
Txhua qhov kev kwv yees hauv qab no suav tias yog JIS- ua raws li cov qauv tsim nrog kev tsim nyog corrosion, thiab kev saib xyuas yooj yim sib haum rau ib puag ncig.
Qhov zoo tshaj plaws ib puag ncig me me (Nyob deb nroog / Suburban, tsis muaj qhov kub thiab txias)Txhawm rau kom huv si, qis- qhov chaw muaj kuab paug uas tsis muaj kev cuam tshuam los ntawm - xoom kub lossis ntsev raug, SMA400CW muab qhov ruaj khov corrosion ntawm 0.01–0.03 mm / xyoo. Nrog rau tus qauv 1.5 hli tsim kev tiv thaiv corrosion, qhov no txhais tau tias yuav tsum tau ua haujlwm ntawm lub neej35-50 xyoo, kev ua tau zoo tshaj qhov kev nkag-theem SMA400BP los ntawm 5-10 xyoo nyob rau hauv tib lub sijhawm ua tsaug rau nws cov patina ntau dua qub thiab txo qis pitting txaus ntshai.
Nruab Nrab -Kev Sib Tw Ib puag ncig (Lub Teeb Hauv Nroog Cov pa phem, qee zaus khov)Rau cov cheeb tsam hauv nroog nrog qis - theem kev khiav tsheb qis, luv luv - lub sijhawm khov mus rau -10℃, lossis qhov chaw nyob qis qis qis dua lossis sib npaug li 1km ntawm ntug dej hiav txwv, SMA400CW tswj qhov corrosion ntawm 0.02–0.04 mm / xyoo. Nrog rau 2 hli corrosion pub, lub neej kev pab cuam yuav tsum yog25-35 xyoo. Nyob rau hauv tib qhov chaw, tus qauv SMA400BP pom nws tus nqi corrosion mus rau 0.05-0.07 hli / xyoo, txiav nws lub neej mus rau 15-20 xyoo xwb.
Hnyav Tsim Nyog Ib puag ncig (Sustained Sub-Xero, Nruab Nrab Muaj Kev Ua qias tuaj)Qhov no yog qhov uas SMA400CW qhov tseem ceeb zoo dua ci: thaj chaw khov nrog qhov kub thiab txias mus rau -20℃, thaj chaw muaj kev lag luam nruab nrab nrog cov tshuaj sulfur dioxide emissions, los yog cov ntsev-laden ntug hiav txwv cua. Nws khaws cov tshuaj tiv thaiv corrosion ntawm 0.04-0.06 hli / xyoo, nrog rau kev lav 27J cuam tshuam toughness ntawm -20℃kom tshem tawm kev pheej hmoo tawg tawg. Nrog rau 2 hli yam tsawg kawg nkaus kev tiv thaiv corrosion, lub neej kev pab cuam yuav tsum yog20-25 xyoo. Qhov tseem ceeb, kev nkag mus- qib SMA400 qib tsis tsim nyog rau cov xwm txheej no: lawv qhov corrosion ntau tshaj 0.08 hli / xyoo, thiab lawv poob qis- qhov kub thiab txias, ua rau 10-15 xyoo lifespan nrog kev pheej hmoo ntawm kev ua haujlwm siab.
Tsis yog- Ib puag ncig pom zoo: Txo txoj sia nyob thiab muaj kev nyab xeeb
Raws li JIS G 3114: 2022, SMA400CW tsis yog tsim los rau siab - qhov chaw raug dej hiav txwv, suav nrog cov chaw nyob hauv 500m ntawm ntug dej hiav txwv nrog cov tshuaj ntsev ncaj qha, tidal splash zones, lossis txuas mus rau seawater immersion. Nws tseem tsis tau pom zoo rau qhov ntsuas kub qis dua -30℃lossis hnyav kev lag luam ib puag ncig nrog cov tshuaj muaj zog acidic. Nyob rau hauv cov chaw no, nws tus nqi corrosion jumps siab tshaj 0.08 mm / xyoo, txiav lub neej kev pab cuam rau15 xyoo los yog tsawg dua, nrog hnyav pitting corrosion thiab structural tsis ua hauj lwm txaus ntshai.
Cov kauj ruam tseem ceeb kom ua kom SMA400CW lub neej ua haujlwm
Txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau lub neej ntev, ua raws li JIS cov lus qhia no-ua raws, cov lus qhia ua tau zoo:
Ua raws li tus qauv tsim: Qhia qhov tsawg kawg yog 1.5 hli corrosion pub rau ib puag ncig me me, thiab 2 hli lossis ntau dua rau qhov tsim nyog tsim nyog hnyav. Muab qhov tsawg kawg nkaus 3℃txoj kab nqes rau txhua qhov chaw kab rov tav nrog rau lub qhov dej siab kom tshem tawm cov dej sawv ntsug, ib tus neeg tsav tsheb loj tshaj plaws ntawm kev nrawm nrawm.
Targeted Teem sij hawm saib xyuas: Ua kev soj ntsuam xyuas txhua xyoo rau kev thaiv cov kua dej, cov khoom khib nyiab, lossis kev sib kis ntawm qhov chaw. Rau cov chaw ntug dej hiav txwv lossis chaw ua lag luam, siv ob-ib hlis qis- tso dej tshiab kom tshem tawm cov ntsev los yog cov kua qaub uas ua rau cov patina tiv thaiv.
Txheeb xyuas cov khoom ua raws cai: Tsuas yog siv SMA400CW uas siv tau EN 10204 3.1 Cov Khoom Siv Xeem Ntawv pov thawj lees paub ua raws li JIS G 3114: 2022. Tsis yog-raws li cov hlau tsis raug cai yuav ua tsis tau raws li qhov ruaj khov patina, ua rau txo qis kev pab cuam lub neej.
Hauv cov ntsiab lus, SMA400CW Corten Steel muab qhov kev kwv yees, JIS- tau lees paub kev pabcuam sab nraum zoov ntawm20-35 xyoonyob rau hauv nws cov tub ntxhais tsim nyog tsim nyog ib puag ncig hnyav, thiab mus txog 50 xyoo nyob rau hauv qhov pom kev mob me me. Nws cov npib tsib xee- txhim kho kev tsim kho thiab kev lag luam- ua rau qis- qhov kub thiab txias ua rau lub neej ntev kev pab cuam ntau dua li kev nkag mus - qib SMA400 series qib hauv cov teeb meem nyuaj, ua rau qis - lub neej voj voog- tus nqi xaiv rau tej yaam num xav tau kev ua haujlwm ntev{9}} kev nyab xeeb thiab kev nyab xeeb.
