Dab tsi Ua 304 vs 316 Thiaj Nrov?
Cov qib siab ntawm chromium thiab npib tsib xee pom nyob rau hauv 304 thiab 316 stainless hlau muab lawv muaj zog tiv thaiv tshav kub, abrasion, thiab corrosion. Tsis tsuas yog lawv paub txog lawv cov kev tiv thaiv corrosion, lawv kuj paub txog lawv cov tsos huv thiab huv huv.
Ob hom stainless hlau tshwm nyob rau hauv ntau yam industries.Raws li cov qib feem ntau ntawm stainless hlau, 304 yog suav tias yog tus qauv "18/8" stainless. 304 stainless hlau yog dav siv vim nws yog ruaj thiab yooj yim rau hauv ntau hom xws li stainless hlau ntawv, stainless hlau phaj, stainless hlau bar, thiab stainless hlau raj. 316 steel tsis kam rau cov tshuaj thiab ib puag ncig marine ua rau nws muaj kev xaiv nrov ntawm cov tuam ntxhab.
Lawv Categorized li cas?
Cov tsib chav kawm ntawm cov hlau tsis muaj hlau raug teeb tsa raws li lawv cov qauv crystalline (yuav ua li cas lawv cov atoms raug teeb tsa). Tawm ntawm tsib chav kawm, 304 thiab 316 stainless hlau yog nyob rau hauv chav kawm austenitic. Cov qauv ntawm austenitic qib stainless hlau ua rau lawv tsis-magnetic thiab tiv thaiv lawv los ntawm hardable los ntawm kev kho cua sov.
1. Khoom ntawm 304 Stainless Hlau
● Chemical Composition ntawm 304 Stainless Hlau
| Cov pa roj carbon | Manganese | Silicon | Phosphorus | Sulfur | Chromium | Nickel | Nitrogen | |
| 304 | 0.08 ib | 2 | 0.75 ib | 0.045 ib | 0.03 ib | 18.0/20.0 Nws | 8.0/10.6 | 0.1 |
● Lub cev muaj zog ntawm 304 SS
| Melting Point | 1450 ℃ |
| Qhov ntom | 8.00 g/cm^3 |
| Thermal Expansion | 17.2 x 10^-6/K |
| Modulus ntawm Elasticity | 193 gp ua |
| Thermal conductivity | 16.2 W / mK |
● Mechanical Properties ntawm 304 Stainless Hlau
| Tensile zog | 500-700 Mpa |
| Elongation A50 hli | 45 Min % |
| Hardness (Brinell) | 215 Max HB |
● Kev siv ntawm 304 Stainless Hlau
Kev lag luam kho mob feem ntau siv 304 SS vim tias nws ua rau cov tshuaj ntxuav muaj zog tsis muaj corroding. Raws li ib qho ntawm ob peb cov alloys uas ua tau raws li Lub Chaw Tswj Xyuas Khoom Noj thiab Tshuaj Kho Mob rau kev npaj zaub mov, kev lag luam zaub mov feem ntau siv 304 SS.
Npaj zaub mov: Fryers, zaub mov npaj rooj.
Cov khoom siv hauv tsev: cookware, silverware.
Architectural: siding, elevators, chav dej chav.
Kev kho mob: cov tais, cov cuab yeej phais.
2. Cov khoom ntawm 316 Stainless Hlau
316 muaj ntau yam tshuaj zoo sib xws thiab txhua yam khoom raws li 304 stainless hlau. Ntawm qhov muag liab qab, ob lub hlau zoo ib yam. Txawm li cas los xij, cov tshuaj muaj pes tsawg leeg ntawm 316, uas yog tsim los ntawm 16% chromium, 10% nickel, thiab 2% molybdenum, yog qhov txawv ntawm 304 thiab 316 stainless hlau.
● Lub cev muaj zog ntawm 316 SS
| Melting point | 1400 ℃ |
| Qhov ntom | 8.00 g/cm^3 |
| Modulus ntawm Elasticity | 193 gp ua |
| Thermal Expansion | 15.9 x 10^- 6 |
| Thermal conductivity | 16.3 W / mK |
● Mechanical Properties ntawm 316 SS
| Tensile zog | 400-620 Mpa |
| Elongation A50 hli | 45% min |
| Hardness (Brinell) | 149 max HB |
Kev siv ntawm 316 Stainless Hlau
Qhov sib ntxiv ntawm Molybdenum hauv 316 ua rau nws tiv taus corrosion ntau dua li cov alloys zoo sib xws. Vim nws cov kev tiv thaiv zoo tshaj rau corrosion, 316 yog ib qho ntawm cov hlau staple rau marine ib puag ncig. 316 stainless hlau kuj tseem siv hauv tsev kho mob vim nws cov kav ntev thiab huv.
Kev siv dej: boilers, dej rhaub
Marine qhov chaw - nkoj rails, hlau hlua, nkoj ntaiv
Khoom siv kho mob
Cov khoom siv tshuaj ua haujlwm
304 vs 316 Stainless hlau: Kub Resistance
Thaum tshav kub kub kuj yog ib qho tseem ceeb uas yuav tsum tau xav txog thaum muab piv rau cov qib sib txawv ntawm stainless hlau. Lub melting ntau ntawm 304 yog nyob ib ncig ntawm 50 mus rau 100 degrees Fahrenheit siab tshaj 316. Txawm hais tias lub melting ntau ntawm 304 yog siab tshaj 316, lawv ob leeg muaj zoo tiv thaiv oxidization nyob rau hauv intermittent kev pab cuam mus txog 870 ° C (1500℉) thiab nyob rau hauv tas li ntawd mus kev pab cuam. ntawm 925 ° C (1697 ℉).
304 SS: Kov kub kub zoo, tab sis kev siv tas li ntawm 425-860 ° C (797-1580 ° F) tuaj yeem ua rau xeb.
316 SS: Ua tau zoo tshaj plaws hauv qhov kub siab tshaj 843 ℃ (1550 ℉) thiab qis dua 454 ℃ (850 ℃)
Nqe sib txawv ntawm 304 Stainless hlau vs 316
Dab tsi ua rau 316 kim dua 304 stainless hlau?
Qhov nce ntawm cov ntsiab lus nickel thiab qhov sib ntxiv ntawm molybdenum hauv 316 ua rau nws kim dua 304. Qhov nruab nrab, tus nqi ntawm 316 stainless hlau 40% siab dua tus nqi ntawm 304 SS.
316 vs 304 Stainless hlau: Qhov twg zoo dua?
Thaum sib piv 304 stainless hlau vs 316, lawv ob leeg muaj qhov zoo thiab qhov tsis zoo los xav txog thaum txiav txim siab ib qho twg los siv rau kev siv sib txawv. Piv txwv li, 316 stainless hlau yog resistant dua 304 rau ntsev thiab lwm yam corrosives. Yog li, yog tias koj tab tom tsim cov khoom lag luam uas feem ntau yuav ntsib cov tshuaj lom neeg lossis ib puag ncig hauv hiav txwv, 316 yog qhov kev xaiv zoo dua.
Ntawm qhov tod tes, yog tias koj tab tom tsim cov khoom lag luam uas tsis xav tau kev tiv thaiv corrosion, 304 yog qhov kev xaiv zoo thiab kev lag luam. Rau ntau daim ntawv thov, 304 thiab 316 yog qhov sib hloov tau tiag tiag.
Jindalai Steel Group yog ib tus kws tshaj lij thiab ua tus xa khoom hauv cov hlau thiab stainless hlau. Xa koj cov lus nug thiab peb yuav zoo siab los sab laj koj tus kws tshaj lij.
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Post lub sij hawm: Dec-19-2022