Puas yog 304 lossis 316 zoo dua rau chav ua noj?
Puas yog 304 lossis 316 zoo dua rau chav ua noj?
Rau feem ntau cov chav ua noj, 304 stainless hlau yog qhov zoo dua (thiab ntau dua) kev xaiv vim nws zoo heev corrosion resistance, durability, thiab qis nqi. Txawm li cas los xij, rau qhov hnyav, siab - ntsev, lossis thaj chaw ntug dej hiav txwv, 316 stainless hlau yog qhov zoo dua vim tias nws muaj zog tiv thaiv chloride corrosion thiab pitting, txawm tias tus nqi siab dua . 304 stainless hlau yog qhov zoo tagnrho rau cov dab dej, cov khoom siv, thiab kev siv dav dav, thaum 316 stainless hlau muab kev tiv thaiv ntxiv tiv thaiv corrosion los ntawm ntsev tsuag los yog cov tshuaj ntxuav kom muaj zog.
Puas yog 304 stainless hlau zoo dua rau kev ua noj dua li 316 stainless hlau?
Hauv cov ntawv thov zaub mov- qib, kev sib cav txog qhov twg stainless hlau, 316 lossis 304, yog qhov zoo dua rau kev siv zaub mov tseem ceeb tshwj xeeb. Ob hom stainless hlau ua tau raws li cov qauv kev nyab xeeb khoom noj, tab sis 316 stainless hlau muaj kev tiv thaiv zoo tshaj rau cov tshuaj chloride corrosion, ua rau nws zoo tagnrho rau ib puag ncig uas muaj cov khoom noj qab ntsev lossis acidic.
304 Stainless hlau
304 yog cov qib siab tshaj plaws ntawm cov hlau tsis muaj steel thiab yog siv dav hauv ntau yam khoom siv hluav taws xob. Txawm hais tias nws tiv taus oxidation, nws tuaj yeem corroded los ntawm chlorides thiab ntsev. Nws yog feem ntau siv rau hauv cov khoom siv hauv chav ua noj, cov tais diav, cov kav dej thiab fittings, thiab cov tsheb tub rog.
316 Stainless hlau
316 stainless hlau yog feem ntau siv hauv marine thiab tshuaj cia khoom. Nws yog qhov ruaj khov heev, yooj yim los ntxuav thiab vuam, thiab muaj kev tiv thaiv zoo heev thiab kub ua haujlwm . 316 stainless hlau muaj ntau yam sib txawv, xws li 316L, uas muaj cov ntsiab lus qis dua li 316. Yog li ntawd, 316L yog resistant rau kub siab dua thiab muaj zog corrosion ntau dua 316, tab sis nws yog ntau raug rau acid corrosion.
Chemical Composition Comparison: 304 vs 316 Stainless Hlau
| Element | 304 Stainless hlau | 316 Stainless hlau |
|---|---|---|
| Chromium (Cr) | 18.0 – 20.0% | 16.0 – 18.0% |
| Nickel (Ni) | 8.0 – 10.5% | 10.0 – 14.0% |
| Molybdenum (hli) | - | 2.0 – 3.0% |
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.08% | Tsawg dua lossis sib npaug li 0.08% |
| Manganese (Mn) | Tsawg dua lossis sib npaug li 2.00% | Tsawg dua lossis sib npaug li 2.00% |
| Silicon (Si) | Tsawg dua lossis sib npaug li 1.00% | Tsawg dua lossis sib npaug li 1.00% |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.045% | Tsawg dua lossis sib npaug li 0.045% |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.03% | Tsawg dua lossis sib npaug li 0.03% |
| Hlau (Fe) | Tshuav | Tshuav |
Mechanical Properties Comparison: 304 vs 316 Stainless Hlau
| Khoom | 304 Stainless hlau | 316 Stainless hlau |
|---|---|---|
| Tensile zog (MPa) | ~505 | ~515 |
| Yield zog (MPa) | ~215 | ~205 |
| Elongation (% hauv 50mm) | ~70% | ~60% |
| Hardness (Brinell HB) | 201 | 217 |
| Hardness (Rockwell B) | 92 | 95 |
316 Stainless Steel vs. 304 Khoom noj khoom haus-Qib Stainless Hlau: Basic Knowledge
Hauv cov ntawv thov zaub mov- qib, kev xaiv ntawm 316 thiab 304 stainless hlau yog qhov tseem ceeb. Ob qib ntawm stainless hlau ua tau raws li cov qauv kev nyab xeeb khoom noj, tab sis 316 stainless hlau muaj kev tiv thaiv zoo tshaj rau cov tshuaj chloride corrosion, ua rau nws zoo tagnrho rau ib puag ncig tuav cov khoom noj qab ntsev lossis acidic. Ntawm qhov tod tes, 304 stainless hlau yog qhov kev xaiv zoo tshaj plaws rau kev ua zaub mov dav dav vim nws cov nqi - ua tau zoo.
Lub zog thiab Durability: Sib piv lub zog ntawm 304 Stainless Hlau thiab 316 Stainless Hlau
Thaum muab piv rau lub zog ntawm 304 thiab 316 stainless hlau, ob qib ua tau zoo nyob rau hauv txhua yam kev ntxhov siab. Txawm li cas los xij, 316 stainless hlau yog qhov zoo dua me ntsis vim nws lub zog tensile ntau dua thiab kev ua tau zoo dua hauv qhov chaw hnyav. Qhov no ua rau 316 stainless hlau yog qhov kev xaiv zoo tshaj plaws rau hnyav- cov khoom siv hauv chav ua noj.
Corrosion Resistance: Sib piv Corrosion Resistance ntawm 304 Stainless Hlau thiab 316 Stainless Hlau
Qhov kev tiv thaiv corrosion ntawm 304 thiab 316 stainless hlau yog ib qho tseem ceeb tshaj plaws uas yuav tsum tau xav txog . 316 stainless hlau muaj kev tiv thaiv zoo tshaj plaws rau xeb thiab xeb, tshwj xeeb tshaj yog thaum raug dej hiav txwv, cov khoom noj acidic, lossis cov tshuaj ntxuav. Thaum 304 stainless hlau kuj muaj qee qhov kev tiv thaiv corrosion, nws muaj kev cuam tshuam ntau rau pitting thiab crevice corrosion nyob rau hauv cov mob corrosive heev.
Vim li cas thiaj xaiv 304 stainless hlau:
Standard chav ua noj:Kev xaiv tus qauv rau feem ntau cov chav ua noj hauv tsev.
Cov khoom siv thiab cov dab dej:Feem ntau siv rau hauv qhov cub, tub yees, tshuab ntxhua khaub ncaws, thiab cov dab dej txheem.
Nqi -zoo:pheej yig dua 316 stainless hlau.
Zoo corrosion kuj:Ua txhua hnub ua noj thiab tu kom zoo.
Vim li cas thiaj xaiv 316 stainless hlau:
Ntug hiav txwv / siab -nquag ib puag ncig:Qhov tseem ceeb rau chav ua noj sab nraum zoov lossis tsev nyob ze ntawm hiav txwv.
Cov tshuaj hnyav:Kev tiv thaiv corrosion zoo dua tiv thaiv cov tshuaj ntxuav kom muaj zog lossis acidic / siab- cov khoom noj ntsev (xws li, cov khoom noj pickled, nqaij nruab deg).
Qib Marine:Muaj zog tiv thaiv pitting thiab corrosion tshwm sim los ntawm chlorides.
High - cov ntawv thov kawg:Thaum koj xav tau kev ua kom ntev ntev hauv qhov hnyav hnyav thiab tuaj yeem lees txais tus nqi siab dua.
Cov ntsiab lus:304 stainless hlau yog haum rau 90% ntawm chav ua noj; 316 stainless hlau yog rau ib puag ncig hnyav uas xav tau kev tiv thaiv ntxiv rau ntsev thiab tshuaj lom neeg corrosion.
Gnee Steel tshwj xeeb hauv kev tsim khoom ntawm ntau yam khoom siv hlau stainless. Gnee Steel cov khoom ntim khoom suav nrog: Hlau Strapping: Cov kav dej nrog ib txoj kab uas hla ntawm 3 ntiv tes los yog tsawg dua yog feem ntau khi ua ke nrog polypropylene zaj duab xis los tiv thaiv xeb thaum thauj dej hiav txwv, thiab tom qab ntawd khi nrog cov hlua hlau. Ntoo Cases / Crates: Cov kav dej feem ntau yog ntim rau hauv cov rooj ntoo lossis cov thawv los tiv thaiv cov kav dej thaum lub sij hawm thauj mus los, tshwj xeeb tshaj yog cov uas ntev dua los yog muaj qhov loj dua. Seaworthy Export Ntim: Cov neeg muag khoom feem ntau siv cov txheej txheem seaworthy export ntim, uas tuaj yeem suav nrog ntau yam khoom siv thiab cov txheej txheem los tiv thaiv cov kav dej thaum thauj. Tarpaulin Ntim: Qhov no tiv thaiv los nag, dej hiav txwv, thiab lwm yam sab nraud los ntawm kev nkag mus rau lub thawv xa khoom thaum thauj. Gnee Steel tshwj xeeb hauv kev tsim thiab muag cov ntaub ntawv alloy. Gnee Steel cov khoom siv dav siv hauv aerospace, tshuaj, hluav taws xob, tsheb, thiab hluav taws xob nuclear, thiab peb tuaj yeem muab cov khoom siv alloy customized raws li cov neeg siv khoom xav tau. Rau cov khoom siv alloy pricing lossis customized alloy cov ntaub ntawv daws teeb meem, thov hu rau peb rau ib qho kev tsocai:ru@gneesteelgroup.com