Dab tsi yog qhov txawv ntawm S355J2H thiab S355K2H
S355J2H thiab S355K2H yog ob qho tib si qis carbon, siab zog steel qib uas feem ntau siv hauv kev tsim kho kev lag luam. Thaum lawv qhia qee qhov sib xws, muaj ob peb qhov sib txawv ntawm ob.LEFIN STEELtsim cov yeeb nkab steel los ntawm S355J2H thiab S355K2H.
S355J2H:
S355J2H yog kub tiav steel raj uas feem ntau siv rau cov hom phiaj. Nws muaj lub zog muaj zog ntau dua li S355K2H, uas ua rau nws muaj kev xaiv nrov rau kev siv cov khoom siv thauj khoom hauv cov tsev thiab txuas hniav.
Chemical Element Cov ntsiab lus:
S355J2H muaj ntau carbon, manganese, thiab silicon tshaj S355K2H. Qhov no ua rau nws muaj zog dua thiab toughness, tab sis nws kuj ua rau nws me ntsis nkig thiab nyuaj rau tshuab. S355K2H, ntawm qhov tod tes, muaj ntau phosphorus thiab sulfur, uas ua rau nws yooj yim dua machinable thiab weldable.
- Cov pa roj carbon (C): 0.22%
- Silicon (Si): 0.55%
- Manganese (Mn): 1.60%
- Phosphorus (P): 0.03%
- Sulfur (S): 0.03%
- Chromium (Cr): 0.30%
- Copper (Cu): 0.55%
- Nickel (Ni): 0.30%
- Molybdenum (Mo): 0.10%
Qhov zoo:
1. Lub zog muaj zog: S355J2H muaj qhov tshwj xeeb lub zog-rau-hnyav piv, uas ua rau nws muaj kev xaiv nrov hauv kev tsim kho thiab kev siv engineering.
2. Txhim kho Durability: Vim nws lub zog siab, S355J2H muaj kev ruaj khov zoo dua thiab tuaj yeem tiv taus kev ntxhov siab ntau dua thiab tsis muaj deforming lossis tawg.
3. Zoo Weldability: S355J2H yog ib qho yooj yim rau vuam, thiab nws tuaj yeem welded yam tsis muaj preheating lossis tom qab vuam kev kho cua sov. Qhov no ua rau nws muaj kev xaiv nrov hauv kev tsim cov qauv, cov kav dej, thiab lwm yam khoom.
4. Zoo Corrosion Resistance: S355J2H muaj qhov zoo tiv thaiv corrosion, uas ua rau nws haum rau siv nyob rau hauv hnyav ib puag ncig. Nws kuj tiv taus cov dej noo, dej ntsev, thiab tshuaj lom neeg.
5. Tus nqi zoo: S355J2H muaj tus nqi qis dua piv rau ntau lwm cov hlau muaj zog, ua rau nws muaj kev xaiv pheej yig rau ntau daim ntawv thov.
6. Kev siv dav dav: S355J2H feem ntau siv hauv kev tsim kho, engineering, tsheb, thiab kev lag luam. Nws yog siv rau kev tsim cov choj, vaj tse, tshuab, thiab lwm yam.
Daim ntawv thov:
1. Structural Engineering: S355J2H yog siv dav hauv kev tsim cov choj, cov tsev, thiab lwm yam qauv. Nws lub zog siab thiab ua haujlwm ntev ua rau nws yog cov khoom siv zoo tagnrho rau cov ntawv thov.
2. Machinery Manufacturing: Cov hlau yog siv nyob rau hauv cov khoom ntawm machinery qhov chaw vim nws zoo heev mechanical zog. Nws yog siv rau hauv kev tsim cov tshuab hnyav, kev tsim kho tshuab, thiab cov tshuab mining.
3. Pipelines: S355J2H kuj tseem siv rau hauv kev tsim cov kav dej vim nws qhov siab tiv thaiv corrosion thiab tawg. Nws yog feem ntau siv rau hauv cov kav dej thiab roj.
4. Offshore Applications: Cov hlau yog siv nyob rau hauv offshore daim ntaub ntawv vim nws siab tsis kam mus corrosion, uas yog zoo tagnrho rau hnyav ib puag ncig.
5. Automotive Kev Lag Luam: S355J2H yog siv rau hauv kev tsim cov khoom siv tsheb, suav nrog kev tsim cov chassis, ncua kev kawm, thiab cov kauj ruam.
6. Agricultural Sector: S355J2H yog siv los tsim cov khoom siv ua liaj ua teb thiab khoom siv xws li plows, tillers, thiab cultivators.
S355K2H:
S355K2H yog ib qho txias tsim, welded steel raj uas yog siv rau hydraulic thiab pneumatic zog tshuab. Nws muaj lub zog qis zog, tab sis nws muaj zog dua rau kev khoov thiab sib tw.
Chemical Element Cov ntsiab lus:
S355k2H yog lub zog muaj zog qis-alloy cov qauv hlau uas muaj cov khoom siv zoo heev. Nws yog dav siv nyob rau hauv kev tsim kho, engineering, thiab manufacturing industries vim nws toughness, durability, thiab zoo heev tsis kam mus corrosion.
- Hlau ~ 96.85%
- Cov pa roj carbon ~ 0.20%
-Silicon ~0.55%
-Manganese ~ 1.60%
-Nickel ~ ib<0.5%
-Chromium ~<0.3%
-Copper ~0.22%
Phosphorus ~<0.035%
Qhov zoo:
1. Lub zog siab: S355k2H yog cov hlau muaj zog uas tuaj yeem tiv taus cov khoom hnyav thiab tiv taus deformation. Qhov no ua rau nws yog qhov kev xaiv zoo tshaj plaws rau kev siv hauv kev tsim kho thiab kev siv engineering qhov twg lub zog thiab kav ntev yog qhov tseem ceeb.
2. Durability: Cov hlau zoo, tsis tshua muaj hlau siv hauv S355k2H muab kev ua haujlwm zoo thiab ua haujlwm rau corrosion thiab hnav thiab tsim kua muag. Qhov no ua rau nws zoo tagnrho rau kev siv hauv cov qauv uas raug cuam tshuam rau ib puag ncig hnyav, xws li txuas hniav, offshore platforms, thiab pipelines.
3. Tus nqi zoo: Txawm tias nws lub zog siab thiab ua haujlwm ntev, S355k2H yog qhov kev xaiv zoo tshaj plaws. Cov hlau zoo heev tiv thaiv corrosion thiab hnav txo kev txij nkawm thiab hloov cov nqi thiab ua rau nws lub neej tag nrho, ua rau nws muaj kev xaiv pheej yig thiab zoo rau kev lag luam thiab cov haujlwm.
4. Versatility: S355k2H yog hloov tau mus rau ntau yam kev siv hauv ntau yam lag luam. Nws tuaj yeem siv rau hauv kev tsim kho, lub zog, kev tsim tsheb, thiab lwm yam kev lag luam vim nws lub zog zoo, durability, thiab versatility.
5. Kev ua tiav zoo: S355k2H muaj qhov ua tiav zoo tshaj plaws uas tsis muaj qhov tsis zoo thiab deformities. Qhov no ua rau nws yog qhov kev xaiv zoo tshaj plaws rau kev siv hauv cov ntawv thov uas qhov kev zoo nkauj yog qhov tseem ceeb, xws li cov phiaj xwm vaj tsev.
6. Sustainable: S355k2H yog ib qho kev xaiv hlau ruaj khov uas tuaj yeem rov ua dua tshiab thaum kawg ntawm nws lub neej, ua rau nws xaiv eco-friendly.
Daim ntawv thov:
1. Kev tsim kho vaj tse: Vim nws lub zog siab thiab ua haujlwm ntev, S355k2H feem ntau siv rau hauv kev tsim cov choj, txoj kev loj, vaj tse, thiab lwm yam khoom loj.
2. Kev lag luam roj thiab roj: S355k2H feem ntau yog siv rau hauv kev tsim cov kav dej, cov chaw tawm sab nrauv, thiab lwm yam khoom siv roj thiab roj vim nws tiv taus corrosion thiab tuaj yeem tiv taus qhov hnyav.
3. Kev tsim khoom lag luam: S355k2H yog siv rau hauv kev tsim cov tshuab thiab khoom siv vim nws muaj peev xwm tiv taus cov khoom hnyav thiab nws lub zog qaug zog.
4. Automotive kev lag luam: S355k2H feem ntau yog siv nyob rau hauv kev tsim cov tsheb chassis, ncua kev kawm ntawv, thiab lwm yam automotive qhov chaw uas yuav tsum tau muaj zog thiab durability.
5. Kev lag luam kev tsheb ciav hlau: S355k2H yog siv rau hauv kev tsim cov tsheb ciav hlau, cov neeg pw tsaug zog, thiab lwm yam kev tsheb ciav hlau vim nws lub zog siab, kev cuam tshuam tsis zoo, thiab lub zog qaug zog.
Yuav ua li cas paub S355J2H thiab S355K2H
1. Saib rau lub npe hu ua: S355J2H thiab S355K2H yog ob feem ntawm EN 10219 tus qauv. Cov txheej txheem no qhia txog cov kev xav tau ntawm cov txheej txheem txias-tsim welded structural hollow seem ntawm cov hlau tsis-alloy thiab nplua nplej hlau. Thaum tsis ntseeg, tshawb xyuas lub npe nom tswv kom paub tseeb tias koj siv cov khoom raug.
2. Tshawb xyuas cov tshuaj muaj pes tsawg leeg: Cov tshuaj muaj pes tsawg leeg ntawm S355J2H thiab S355K2H txawv. S355J2H muaj cov ntsiab lus carbon txog li 0.22%, whereas S355K2H muaj cov ntsiab lus carbon ntau txog li 0.22%. Tsis tas li ntawd, S355J2H muaj cov ntsiab lus sulfur siab tshaj plaws ntawm 0.03%, thiab S355K2H muaj cov ntsiab lus sulfur siab tshaj plaws ntawm 0.025%.
3. Sib piv cov khoom siv kho tshuab: S355J2H thiab S355K2H kuj muaj cov khoom sib txawv. S355J2H muaj qhov tsawg kawg nkaus yield zog ntawm 355 N / mm2, thaum S355K2H muaj qhov tsawg kawg nkaus yield zog ntawm 355 N / mm2. Txawm li cas los xij, S355K2H muaj qhov cuam tshuam tsawg dua ntawm lub zog ntawm 40J ntawm -20 degree piv rau 27J yam tsawg kawg nkaus lub zog rau S355J2H ntawm tib qhov kub.
Hauv kev xaus, thaum muaj qee qhov sib txawv ntawm S355J2H thiab S355K2H, ob qho tib si yog cov kev xaiv zoo tshaj plaws rau kev siv sib txawv. Nws yog ib qho tseem ceeb uas yuav tau xaiv cov qib steel zoo raws li cov kev cai tshwj xeeb ntawm koj qhov project kom ntseeg tau tias kev ua tau zoo thiab kev nyab xeeb.
