Kev sib piv ntawm 304 thiab 304L stainless hlau los xij
304 stainless hlau yog austenitic stainless hlau paub txog nws zoo heev corrosion kuj, siab zog, thiab zoo formability. Nws yog ib qho ntawm feem ntau siv stainless hlau alloys thiab raug xaiv 304 hauv American Iron and Steel Institute (AISI) kev faib tawm. Piv rau 316/316L stainless hlau, 304 stainless hlau yog pheej yig. Cov qauv tsim muaj xws li ASTM A-240 thiab ASME SA-240.
Dab tsi yog kev siv ntawm 304L stainless hlau?
304L yog ib qho qis- carbon version ntawm 304. Nws yog feem ntau siv rau cov khoom tuab los txhim kho weldability. Qee cov khoom, xws li cov phaj thiab cov kav dej, tej zaum yuav muab tau raws li "dual- ntawv pov thawj" cov ntaub ntawv, ua tau raws li cov qauv 304 thiab 304L.
Chemical Composition 304 vs 304L stainless hlau
|
Cov ntsiab lus (%) |
304 (S30400) |
304L (S30403) |
||
|---|---|---|---|---|
|
Carbon, Max |
0.07 |
0.030 |
||
|
Manganese, Max |
2.00 |
2.00 |
||
|
Phosphorus, Max |
0.045 |
0.045 |
||
|
Sulfur, Max |
0.030 |
0.030 |
||
|
Silicon, Max |
0.75 |
0.75 |
||
|
Chromium |
17.5-19.5 |
17.5-19.5 |
||
|
Nickel |
8.0-10.5 |
8.0-12.0 |
||
|
Mo |
... |
... |
||
|
Nitrogen |
0.10 |
0.10 |
Mechanical Properties 304 vs 304L stainless hlau
|
Mechanical Properties |
304 (S30400) |
304L (S30403) |
||
|---|---|---|---|---|
|
Tensile zog Min |
75 Ksi [515 Mpa] |
70 Ksi [485 Mpa] |
||
|
Yield Strength Min 0.2% offset |
30 Ksi [205 Mpa] |
25 Ksi [170 Mpa] |
||
|
Yield Strength Min 1% offset |
36 Ksi [250 Mpa] |
35 Ksi [240 Mpa] |
||
|
Elongation Min |
40% |
40% |
||
|
Hardness Max |
92 PAB |
92 PAB |
Daim ntawv thov sib piv: 304 vs 304L Stainless Hlau Phaj
| Daim ntawv thov teb | 304 Stainless Hlau Phaj | 304L Stainless Hlau Phaj |
|---|---|---|
| Kev ua zaub mov | Cov khoom siv ua haujlwm, cov tshuab conveyor | Welded tanks, cia cov hlab ntsha, piping systems |
| Architectural | Cov qauv vaj huam sib luag, zoo nkauj facades, handrails | - |
| Kev lag luam tshuaj | Cov thawv ntim tshuaj, cov hlab ntsha tawg | Welded chemical khoom, siab hlab ntsha |
| Tshuaj | Cov khoom siv ua haujlwm, cov chaw ua haujlwm | Cov khoom siv kom tsis muaj menyuam, bioprocessing tanks |
| Tubrog nkoj | Nkoj Cheebtsam, marine hardware | - |
| Automotive | Exhaust systems, structural Cheebtsam | - |
| Kev tsim kho | Lub tsev tsim, txhawb cov ntsiab lus | - |
| Thaum tshav kub kub Exchangers | Phaj kub exchangers, thermal khoom | - |
| Kev kho dej | - | Cov dej tank, kho cov hlab ntsha, kav dej |
| Roj & Roj | Pipeline Cheebtsam, platform qauv | - |
| Zog | Cov cuab yeej tsim hluav taws xob | Nuclear Cheebtsam, lub zog chaw kav kav dej |
| Khoom siv chav ua noj | Countertops, chav ua noj chaw ua haujlwm | Welded khoom noj khoom haus |
| Kho mob | Cov khoom siv kho mob | Cov khoom siv phais phais |
| Kev lag luam Brewing | Fermentation tanks, brewing khoom | Welded brewing systems, cia tanks |
| Feature | 304 Stainless Hlau Phaj | 304L Stainless Hlau Phaj |
|---|---|---|
| Cov ntsiab lus carbon | 0.08% siab tshaj | 0.03% siab tshaj |
| Vuam | Yuav tsum tau ncej-weld annealing kom tsis txhob muaj kev cuam tshuam ntawm intergranular | Tsis muaj kev tshaj tawm -weld annealing yog xav tau nyob rau hauv feem ntau |
| Corrosion Resistance | Zoo heev, tab sis tuaj yeem raug cuam tshuam rau intergranular corrosion tom qab vuam | Zoo heev, nrog txhim kho kev tiv thaiv rau intergranular corrosion tom qab vuam |
| Lub zog | Me ntsis siab dua tensile thiab pov thawj lub zog vim muaj cov ntsiab lus carbon ntau dua | Tsawg zog tensile thiab pov thawj lub zog |
| Daim ntawv thov | Siab -kev siv zog, cov khoom siv | Welded tanks, tuab seem, ntau-thov vuam, hom phiaj dav dav |
| Lwm yam khoom | Cov khoom sib koom suav nrog kev tiv thaiv corrosion, kev ua haujlwm siab kub, thiab tsim nyog rau kev siv xws li kev ua zaub mov thiab kev tsim vaj tsev | Cov khoom sib koom suav nrog kev tiv thaiv corrosion, kev ua haujlwm siab kub, thiab tsim nyog rau kev siv xws li kev ua zaub mov thiab kev tsim vaj tsev |
Gnee Steel tshwj xeeb hauv kev tsim khoom ntawm ntau yam khoom siv stainless hlau. 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