Qhov twg zoo dua, carbon hlau lossis stainless hlau?

Thaum nws los txog rau kev xaiv cov hlau zoo rau koj qhov project, qhov kev txiav txim siab feem ntau npau taws raucarbon steel vs stainless hlau. Ob qho khoom siv tau dav siv thoob plaws kev lag luam - los ntawm kev tsim kho thiab kev tsim khoom mus rau tsheb thiab cov khoom siv. Thaum lawv tuaj yeem tshwm sim zoo sib xws, carbon steel thiab stainless hlau muaj cov tshuaj lom neeg sib xyaw, cov khoom siv kho tshuab, kev tiv thaiv corrosion, thiab cov nqi xav tau. Yog li, qhov twg zoo dua? Cov lus teb nyob ntawm koj qhov kev thov tshwj xeeb. Hauv tsab xov xwm no, peb yuav sib piv cov pa roj carbon steel thiab stainless hlau kom ntxaws los pab koj xaiv qhov kev paub tshaj plaws.

1. Basic Composition

Nkag siab txog qhov muaj pes tsawg leeg ntawm txhua hom hlau yog qhov tseem ceeb rau kev ntsuas nws cov yam ntxwv.

Carbon Steel:

• Feem ntau muaj hlau thiab carbon (txog 2.1%)

• Tej zaum yuav suav nrog cov lej ntawm manganese, silicon, thiab tooj liab

• Tsis muaj cov ntsiab lus tseem ceeb ntawm chromium

Stainless hlau:

• Muaj hlau, carbon, thiab tsawg kawg10.5% chrome

• Feem ntau alloyed nrog npib tsib xee, molybdenum, thiab nitrogen

• Cov ntsiab lus chromium tsim ib txheej passive rau corrosion kuj

Lub xub ntiag ntawm chromium yog qhov sib txawv tseem ceeb uas muab cov hlau tsis muaj steel nws cov khoom tiv thaiv corrosion.

2. Corrosion Resistance

Stainless hlau:

• Exceptionally resistant rau xeb thiab corrosion

• Zoo tagnrho rau thaj chaw marine, kev ua tshuaj lom neeg, thiab kev siv zaub mov-qib

• Ua tau zoo nyob rau hauv acidic, humid, los yog saline tej yam kev mob

Carbon Steel:

• Yooj yim rau xeb thiab corrosion tshwj tsis yog coated los yog pleev xim rau

• Tej zaum yuav xav tau galvanization lossis kev tiv thaiv tiav rau kev siv sab nraum zoov

• Tsis pom zoo rau cov dej noo los yog corrosive

Xaus:Stainless hlau yeej nyob rau hauv ib puag ncig uas corrosion yog ib qho kev txhawj xeeb loj.

3. Lub zog thiab hardness

Ob qho khoom siv tuaj yeem raug kho cua sov los txhim kho lawv cov kev ua haujlwm zoo.

Carbon Steel:

• Feem ntau muaj zog thiab nyuaj dua stainless hlau

• Zoo tensile zog, tshwj xeeb tshaj yog nyob rau hauv high-carbon qib

• Txaus siab rau cov khoom siv, cov hniav, thiab cov cuab yeej ua haujlwm siab

Stainless hlau:

• Lub zog nruab nrab piv rau carbon steel

• Austenitic stainless hlau (piv txwv li, 304, 316) muaj ntau dua, tab sis tsis muaj zog.

• Martensitic thiab duplex qib tuaj yeem ua tiav qib siab zog

Xaus:Cov pa roj carbon steel zoo dua rau cov ntawv thov uas xav tau lub zog siab tshaj plaws thiab hardness.

4. Cov tsos thiab ua tiav

Stainless hlau:

• Ntuj ci thiab du

• Yuav polished rau daim iav los yog satin tiav

• Khaws nws qhov zoo li lub sijhawm

Carbon Steel:

• Plua plav lossis matte tiav tshwj tsis yog coated lossis pleev xim

• Yooj yim rau oxidation thiab staining

• Yuav tsum tau kho kom zoo nkauj

Xaus:Stainless hlau muaj superior nto tiav thiab zoo nkauj txaus siab.

5. Tus nqi sib piv

Carbon Steel:

• Tus nqi pheej yig dua vim qhov yooj yim muaj pes tsawg leeg thiab cov ntsiab lus qis alloy

• Tus nqi-zoo rau cov khoom ntim siab lossis cov qauv loj loj

• Cheaper rau tshuab thiab fabricate

Stainless hlau:

• Tus nqi pib siab dua vim yog alloying ntsiab xws li chromium thiab npib tsib xee

• Tej zaum yuav txo tau cov nqi tu mus sij hawm ntev vim xeb kuj

Xaus:Rau cov phiaj xwm siv nyiaj-rhiab heev, carbon steel yog kev lag luam ntau dua.

6. Ua haujlwm tau thiab Weldability

Carbon Steel:

• Yooj yim rau txiav, tsim, thiab vuam

• Tsis tshua muaj yuav warp nyob rau hauv high kub

• Haum rau kev ceev-paced fabrication ib puag ncig

Stainless hlau:

• Yuav tsum muaj cov cuab yeej tshwj xeeb thiab cov txheej txheem

• Cov thermal expansion ntau dua tuaj yeem ua rau warping thaum vuam

• Tej zaum yuav xav tau kev kho tom qab vuam los tiv thaiv corrosion

Xaus:Carbon steel yog kev zam txim ntau dua thiab yooj yim rau kev ua haujlwm nrog.

7. Cov ntawv thov

Common Applications ntawm Carbon Steel:

• Cov choj thiab cov tsev

• Cov kav dej thiab cov tank

• Txiav cov cuab yeej thiab machinery qhov chaw

• Automotive chassis thiab iav

Common Applications ntawm Stainless hlau:

• Cov khoom siv ua zaub mov thiab dej haus

• Cov cuab yeej kho mob thiab cov cuab yeej phais

• Marine qauv thiab offshore platforms

• Cov khoom siv hauv tsev thiab khoom siv hauv tsev

sakysteel uamuab ob qho tib si carbon steel thiab stainless hlau cov khoom kom tau raws li ntau yam kev lag luam xav tau.

8. Kev txiav txim siab txog ib puag ncig thiab kev noj qab haus huv

Stainless hlau:

• 100% recyclable

• Non-reactive nrog zaub mov thiab dej

• Tsis muaj tshuaj lom los yog kev kho mob xav tau

Carbon Steel:

• Tej zaum yuav xav tau cov tshuaj tiv thaiv uas muaj cov tshuaj

• Yooj yim rau kev tiv thaiv corrosion

• Recyclable tab sis tej zaum yuav muaj cov khoom pleev xim los yog coated

Xaus:Stainless hlau yog ntau eco-friendly thiab huv si.

9. Kev ua neej nyob thiab kev tu

Stainless hlau:

• Kev saib xyuas tsawg

• Lub neej ua haujlwm ntev nyob rau hauv ib puag ncig hnyav

• Tsawg degradation nyob rau lub sijhawm

Carbon Steel:

• Yuav tsum tau pleev xim, txheej, lossis tshuaj xyuas

• Yooj yim rau xeb yog tias tsis muaj kev tiv thaiv

• Shorter lifespan nyob rau hauv corrosive tej yam kev mob

Xaus:Stainless hlau muaj qhov zoo dua durability thiab txo cov nqi lifecycle.

10. Cov lus piav qhia