304 stainless hlau yog feem ntau siv chromium-nickel stainless hlau. Raws li ib tug dav siv hlau, nws muaj zoo corrosion kuj, tshav kub tsis kam, tsis kub kub lub zog thiab txhua yam khoom; Nws muaj kev ua haujlwm kub zoo xws li stamping thiab dabtsi yog khoov, thiab tsis muaj qhov tshwm sim ntawm kev kho cua sov (kev ua haujlwm kub -196 ℃ ~ 800 ℃).

Stainless hlauIb 304(AISI 304) yog hom stainless hlau siv dav tshaj plaws vim nws cov khoom sib npaug thiab cov tshuaj lom neeg.

Nov yog nws cov yam ntxwv tseem ceeb ntawm inox 304:

1. Corrosion Resistance

Siab tiv taus corrosionnyob rau hauv ntau qhov chaw, tshwj xeeb tshaj yog nyob rau hauv atmospheric tej yam kev mob thiab raug rau corrosive tshuaj xws li acids thiab chlorides.

Ua tau zoo nyob rau hauv ib puag ncig uas raug dej los yog av noo.

2. Kev sib xyaw

Muaj kwv yees li18% chromiumthiab8% npib tsib xee, feem ntau hu ua18/8 stainless hlau.

Kuj suav nrog me me ntawmcarbon (max 0.08%), manganese, thiabsilicon.

3. Mechanical Properties

Tensile zog: Ib ncig515 MPa (75 ksi).

Yield zog: Ib ncig205 MPa (30 ksi).

Elongation: Mus txog40%, qhia zoo formability.

Hardness: Cov mos mos thiab tuaj yeem ua haujlwm hnyav los ntawm kev ua haujlwm txias.

4. Formability thiab Fabrication

Yooj yim tsimrau hauv ntau yam duab vim nws cov ductility zoo heev, ua rau nws zoo tagnrho rau kev sib sib zog nqus nqus, nias, thiab khoov.

Zoo weldability, tshwj xeeb tshaj yog haum rau tag nrho cov txheej txheem vuam txheej txheem.

Kev ua haujlwm txias: tuaj yeem ua kom muaj zog ntxiv los ntawm kev ua haujlwm txias, tab sis tsis yog los ntawm kev kho cua sov.

5. Thaum tshav kub kub Resistance

Oxidation kujmus txog870 ° C (1598 ° F)nyob rau hauv intermittent siv thiab mus txog925 ° C (1697 ° F)hauv kev pabcuam tsis tu ncua.

Tsis pom zoo rau kev siv nyob rau hauv ib puag ncig uas cuam tshuam nrog qhov kub thiab txias saum toj no425-860 ° C (797-1580 ° F)vim muaj kev pheej hmoo ntawm carbide nag lossis daus, uas tuaj yeem txo qhov kev tiv thaiv corrosion.

6. Hygiene thiab Aesthetic tsos

Yooj yim los ntxuav thiab tuvim nws qhov chaw du, uas tiv thaiv kab mob kev loj hlob, ua rau nws zoo tagnrho rau kev ua zaub mov thiab khoom siv hauv chav ua noj.

Khaws lub ci ntsa iab thiab ntxim nyiamnto tiav, ua rau nws nrov hauv kev tsim vaj tsev, khoom siv hauv chav ua noj, thiab siv cov khoom siv kho kom zoo nkauj.

7. Tsis-Magnetic

Feem ntautsis sib nqusnyob rau hauv nws daim ntawv annealed, tab sis tuaj yeem ua me ntsis sib nqus tom qab ua haujlwm txias.

8. Daim ntawv thov

Siv dav hauv cov khoom siv ua zaub mov, cov khoom siv hauv chav ua noj, cov thawv tshuaj, cov khoom siv vaj tsev, thiab cov khoom siv kho mob.

Zoo tagnrho rau ib puag ncig uas yuav tsum tau zoo corrosion kuj, durability, thiab yooj yim ntawm fabrication.

9. Nqi-zoo

Tus nqi qis dua qib siab stainless hlau (xws li 316) thaum muab cov khoom zoo tag nrho, uas ua rau nws nrov rau ntau daim ntawv thov.

10.Ua rau cov kua qaub

Resistant rau ntau cov organic acidsthiab me me corrosive inorganic acids, txawm hais tias nws yuav tsis ua tau zoo nyob rau hauv high acidic los yog chloride-nplua nuj ib puag ncig (xws li seawater), qhov twg stainless hlau 316 yog nyiam.

Inox 304 yog ib qho kev xaiv zoo tshaj plaws stainless hlau rau ntau qhov chaw thiab siv, ntsuas tus nqi, kav ntev, thiab kev ua haujlwm.

Tshuaj muaj pes tsawg leeg ntawm inox 304:

0Cr18Ni9 (0Cr19Ni9)

C: ≤0.08%

Cov ntsiab lus: ≤ 1.0%

Mn: ≤2.0%

Cr: 18.0 ~ 20.0%

Tsis muaj: 8.0 ~ 10.0%

S: ≤0.03%

P: ≤0.045%

Lub cev muaj zog ntawm inox 304:

Tensile zog σb (MPa)> 520

Kev ua tau zoo tawm los lub zog σ0.2 (MPa)> 205

Elongation δ5 (%)> 40

Sectional shrinkage ψ (%)> 60

Hardness: <187HB: 90HRB: <200HV

Qhov ceev (20 ℃, Kg / dm2): 7.93

Melting point (℃): 1398 ~ 1454

Lub peev xwm tshwj xeeb kub (0 ~ 100 ℃, KJ·kg-1K-1): 0.50

Thermal conductivity (W·m-1·K-1): (100 ℃) 16.3, (500 ℃) 21.5

Kev nthuav dav coefficient (10-6·K-1): (0 ~ 100 ℃) 17.2, (0 ~ 500 ℃) 18.4

Resistant (20 ℃, 10-6Ω·m2 / m): 0.73

Longitudinal elastic modulus (20 ℃, KN / mm2): 193

Qhov zoo thiab cov yam ntxwv ntawm inox 304:

1. Kub kub tsis kam
304 stainless hlau yog hlub los ntawm cov neeg feem coob rau ntau yam. Piv txwv li, nws muaj qhov kub thiab txias tsis kam, uas tsis sib xws los ntawm cov hlau tsis zoo tib yam. 304 stainless hlau tuaj yeem tiv taus qhov kub siab txog 800 degrees thiab tuaj yeem siv rau ntau lub sijhawm hauv lub neej.

2. Corrosion kuj
304 stainless hlau kuj zoo heev nyob rau hauv corrosion kuj. Vim tias nws siv chromium-nickel cov ntsiab lus, nws muaj cov tshuaj lom neeg ruaj khov thiab tsis yooj yim rau corrode. Yog li, 304 stainless hlau tuaj yeem siv los ua cov khoom siv tiv thaiv corrosion.

3. Siab toughness
304 stainless hlau muaj cov yam ntxwv ntawm siab toughness, uas yog paub rau ntau tus neeg. Yog li ntawd, tib neeg yuav ua nws rau hauv cov khoom sib txawv, thiab cov khoom lag luam zoo kuj tseem siab.

4. Cov ntsiab lus tsis tshua muaj hlau lead
Lwm qhov laj thawj ntawm kev xaiv 304 stainless hlau yog tias nws muaj cov hlau lead tsawg thiab tsis muaj teeb meem rau lub cev. Yog li ntawd, nws tseem hu ua zaub mov qib stainless hlau thiab tuaj yeem siv ncaj qha los ua cov tais diav.

Vim li cas inox 304 yog ib qho ntawm feem ntau siv thiab paub zoo stainless hlau qib

Inox 304 yog ib qho ntawm feem ntau siv stainless hlau qib vim muaj ntau yam tseem ceeb:

1. Corrosion Resistance

• Nws muaj kev tiv thaiv zoo heev rau kev xeb hauv ntau qhov chaw, ua rau nws tsim nyog rau kev siv sab hauv tsev thiab sab nraum zoov.

2. Ntau yam

• Nws qhov sib npaug sib npaug tso cai rau siv ntau yam lag luam, suav nrog zaub mov thiab dej haus, architecture, tsheb, thiab kev kho mob.

3. Zoo Mechanical Properties

• Nws muaj lub zog tensile siab thiab zoo ductility, ua rau nws tiv taus kev ntxhov siab thiab deformation yam tsis muaj kev tawg.

4. Yooj yim ntawm Fabrication

• Inox 304 yog yooj yim fabricated thiab tsim rau ntau yam duab thiab ntau thiab tsawg, uas yooj yim rau kev tsim cov txheej txheem.

5. Weldability

• Nws tuaj yeem ua tau yooj yim welded siv tag nrho cov txheej txheem txheej txheem, ua rau nws tsim nyog rau kev siv cov txheej txheem.

6. Hygienic Properties

• Nws lub ntsej muag du thiab tiv thaiv kab mob ua rau nws zoo tagnrho rau kev ua zaub mov thiab kev siv tshuaj kho mob, qhov kev nyiam huv yog qhov tseem ceeb.

7. Nqi-zoo

• Thaum muab cov khoom zoo heev, nws feem ntau tsis tshua kim dua li lwm cov hlau tsis zoo, ua rau nws xaiv kev lag luam rau ntau qhov haujlwm.

8. Tsis-Magnetic

• Nyob rau hauv nws lub xeev annealed, nws tsis yog-magnetic, uas yog ib qho tseem ceeb rau tej yam kev siv uas magnetism yuav muaj teeb meem.

9. Aesthetic Appeal

• Nws tuav ib qho zoo nkauj tiav, ua rau nws haum rau architectural thiab zoo nkauj daim ntaub ntawv.

10.Ntiaj teb no muaj nyob

• Raws li cov khoom siv sib xyaw, nws yog dav tsim thiab yooj yim muaj, ua kom yooj yim rau cov neeg tsim khoom thiab cov neeg siv khoom.

Cov yam ntxwv no ua ke ua rau inox 304 mus rau cov khoom siv rau ntau yam kev siv, ua rau nws siv dav thiab lees paub.

Kev txiav txim siab:

Inox 304 los yog Stainless Hlau 304 paub txog nws zoo heev corrosion kuj, zoo weldability thiab siab zog. Nws feem ntau muaj 18% chromium thiab 8% npib tsib xee thiab haum rau ntau yam kev siv. Cov khoom no ua rau nws tau siv dav hauv qib stainless hlau thoob ntiaj teb.