Raws li lub hauv paus tseem ceeb ntawm cov pa hluav taws xob hauv tsheb thiab cov khoom siv hauv tsev, cov yeeb nkab tso tawm ua haujlwm nyob rau hauv qhov chaw hnyav uas muaj qhov kub thiab txias, siab corrosion, thiab muaj zog vibrations. Nws yuav tsum tiv taus cov cua kub ntawm lub cav tso pa tawm (txog 900 degree) thiab tiv thaiv cov corrosive los ntawm acids, alkalis, noo noo, thiab txoj kev ntsev hauv cov pa. Yog li ntawd, kev xaiv ntawm cov ntaub ntawv tseem ceeb heev . 304 thiab409 stainless hlauTam sim no yog ob qho khoom siv dav tshaj plaws hauv kev lag luam yeeb nkab. Tab sis qhov twg yog qhov tsim nyog?
Qhov sib txawv tseem ceeb ntawm 304 thiab 409
qhov sib txawv ntawm Chemical Composition
304 stainless hlau muaj cov ntsiab lus nickel ntau dua li 409 stainless hlau thiab yog nplua nuj nyob rau hauv chromium, yog li 304 muaj corrosion kuj zoo heev; 409 stainless hlau muaj cov ntsiab lus qis nickel thiab tsis zoo li corrosion resistant li 304, tab sis nws cov nqi ntau lawm yog qis dua.
| Qib Steel | C (%) | Cr (%) | Tsis muaj (%) | Mn (%) | Si (%) | P (%) | S (%) | Ti (%) | Fe |
|---|---|---|---|---|---|---|---|---|---|
| 304 | Tsawg dua lossis sib npaug li 0.08 | 18.0 – 20.0 | 8.0 – 10.5 | Tsawg dua lossis sib npaug li 2.00 | Tsawg dua lossis sib npaug li 0.75 | Tsawg dua lossis sib npaug li 0.045 | Tsawg dua lossis sib npaug li 0.030 | - | Tshuav |
| 409 | Tsawg dua lossis sib npaug li 0.08 | 10.5 – 11.75 | Tsawg dua los yog sib npaug li 0.50 | Tsawg dua lossis sib npaug li 1.00 | Tsawg dua lossis sib npaug li 1.00 | Tsawg dua lossis sib npaug li 0.045 | Tsawg dua lossis sib npaug li 0.030 | Stabilized (Ntau dua lossis sib npaug rau 6 × C raug) | Tshuav |
qhov sib txawv ntawm Corrosion Resistance
304 stainless hlau yog resistant rau huab cua ntub, nag, thiab corrosive media nyob rau hauv nroog ib puag ncig. Tus Tsov tus tw ntawm cov kav dej thiab cov chaw muffler muaj qhov kub thiab txias thiab nws yooj yim rau condensation; Txawm li cas los xij, 304 stainless hlau tuav nws cov hlau nplaum thiab yuav tsis xeb.
409 stainless hlau muaj cov ntsiab lus npib tsib xee qis, yog li nws cov zaj duab xis passivation nto yuav raug puas tsuaj, tshwj xeeb tshaj yog nyob rau hauv qis - qhov kub thiab txias, av noo, thiab ntsev ib puag ncig, ua rau nws yooj yim rau corrosion thiab xeb.
qhov sib txawv ntawm High temperature resistance
Automotive exhaust system yog qhov ntev tshaj plaws nyob rau hauv lub tsheb. Lub kaw lus no yuav tsum tiv taus qhov kub thiab txias hloov pauv (-20 txog 850 degree) thiab siab - zaus vibrations los ntawm siab - kub, siab - ceev tso pa gases. Yog li ntawd, cov yeeb nkab tso pa yuav tsum tau ua los ntawm siab -kub-resistant stainless hlau.
304 stainless hlau, nrog nws qhov kub thiab txias ntawm 650℃thiab luv luv -lub sij hawm ua siab ntev rau 800 degree, yog zoo kawg nkaus haum rau tag nrho cov yeeb nkab seem. Txawm tias nyob rau hauv lub cav ceev ceev thiab hnyav loads, nws tseem ruaj khov thiab tsis nquag deformation lossis oxidation vim qhov kub thiab txias.
409 stainless hlau tuaj yeem hu ncaj qha rau cov pa tso pa tawm ntawm qhov kub ntawm 300℃txog 800℃thiab tsim nyog rau qhov qis dua -kub nruab nrab- ntu thiab tailpipes.
Yuav xaiv li cas ntawm 304 thiab 409
Kev xaiv ntawm 304 thiab 409 stainless hlau tso cov kav dej yuav tsum yog raws li cov nqi siv nyiaj thiab kev xav txog kev siv tswv yim.
304 Stainless Hlau Daim Ntawv Thov
- Tsheb Environment: Haum rau siv nyob rau hauv ntug dej hiav txwv, tej cheeb tsam los nag, txoj kev salted nyob rau hauv lub caij ntuj no, los yog industrial nroj tsuag thiab boilers uas tso pa fumes yog heev corrosive.
- Kev xav tau kev ua haujlwm: Rau kev hloov pauv kev ua tau zoo uas qhov yuav tsum tau muaj siab heev tau muab tso rau ntawm cov yeeb nkab tso pa kom siab -kub tsis kam, txhua yam muaj zog, thiab tso pa tawm.
- Kev txiav txim siab nqi: 304 stainless hlau muaj cov nickel ntau dua, ua rau cov khoom siv raw khoom ntau dua. Tsis tas li ntawd, nws cov nqi ua haujlwm siab dua vim yog cov khoom siv ntau dua thiab cov txheej txheem yuav tsum tau khoov thiab txiav.
409 Stainless Hlau Daim Ntawv Thov
- Tsheb Environment: Feem ntau siv nyob rau hauv qhuav inland cheeb tsam uas tsis tshua muaj av noo, tsis muaj marine ntsev tsuag, tsis muaj txoj kev ntsev tso corrosion, thiab tsawg heev ntawm sab nraud ib puag ncig corrosion.
- Kev xav tau kev ua haujlwm: Haum rau cov xwm txheej yam tsis muaj kev hloov kho, siab - kev ua tau zoo, thiab qhov uas tsis muaj qhov xav tau ntau dhau ntawm cov yeeb nkab ua kom muaj zog, kev ua haujlwm tawm, lossis qhov zoo li.
- Kev xav txog tus nqi: 409 muaj cov ntsiab lus npib tsib xee tsawg heev, ua rau nws siv nyiaj ntau dua; Nws kuj tseem yooj yim dua rau kev khoov txias, flare, thiab vuam, ua rau nws haum rau loj - nplai, siab - ceev, automated ntau lawm hauv kev lag luam tsheb, thiab nws yog pheej yig dua 304.
xaus
Nyob rau hauv cov ntsiab lus, 304 thiab 409 stainless hlau yog dav siv nyob rau hauv lub tshuab tso pa vim lawv cov yam ntxwv zoo . 409 stainless hlau yog ib tug nqi - zoo tov uas ua tau raws li tus qauv OEM, ua rau nws haum rau qhuav ib puag ncig thiab loj - teev automotive ntau lawm . 304 stainless hlau, ntawm qhov tod tes, muaj superior{6} corrosion kuj, zoo dua qub, ntev durability, thiab durability. xws li kev nyab xeeb ntawm ntug dej hiav txwv, thaj chaw qab ntsev, lossis siab - kev ua haujlwm zoo.
Tsis muaj qhov kev xaiv "zoo tshaj"-tsuas yog cov khoom siv zoo tshaj plaws rau koj qhov chaw ua haujlwm, kev cia siab rau kev ua haujlwm, thiab pob nyiaj siv. Rau cov haujlwm tseem ceeb ntawm kev ua haujlwm ntev, zoo li, thiab ua haujlwm rau qhov hnyav, 304 stainless hlau yog qhov kev xaiv. Rau cov ntawv thov uas tus nqi-kev ua tau zoo thiab cov qauv kev ua tau zoo yog qhov kev txiav txim siab tseem ceeb, 409 stainless hlau tseem yog qhov kev xaiv ua tau zoo thiab txhim khu kev qha.Yog tias koj xaiv stainless hlau rau koj lub tshuab tso pa, thovtiv tauj pebtam sim ntawd rau cov kws tshaj lij kev tawm tswv yim thiab kev daws teeb meem stainless hlau piping haum rau koj daim ntawv thov xav tau.