Dab tsi ua rau 304 vs 316 nrov heev?
Cov chromium thiab nickel ntau uas pom muaj nyob rau hauv 304 thiab 316 stainless hlau ua rau lawv tiv taus cua sov, kev sib txhuam, thiab kev xeb. Tsis yog lawv tsuas yog paub txog lawv txoj kev tiv taus xeb xwb, tab sis lawv kuj paub txog lawv qhov tsos huv si thiab kev huv si tag nrho.
Ob hom hlau tsis xeb no muaj nyob rau hauv ntau yam lag luam. Raws li qib hlau tsis xeb uas siv ntau tshaj plaws, 304 yog suav tias yog tus qauv "18/8" stainless. 304 stainless hlau yog siv dav vim nws ruaj khov thiab yooj yim los ua ntau yam xws li daim ntawv hlau tsis xeb, phaj hlau tsis xeb, stainless hlau bar, thiab raj hlau tsis xeb. 316 hlau tiv taus cov tshuaj lom neeg thiab cov chaw nyob hauv dej hiav txwv ua rau nws yog qhov kev xaiv nrov ntawm cov tuam ntxhab.
Lawv raug cais ua pawg li cas?
Tsib chav kawm ntawm cov hlau tsis xeb tau teeb tsa raws li lawv cov qauv crystalline (lawv cov atoms tau teeb tsa li cas). Ntawm tsib chav kawm, 304 thiab 316 stainless hlau yog nyob rau hauv chav kawm qib austenitic. Cov qauv ntawm cov hlau tsis xeb qib austenitic ua rau lawv tsis muaj hlau nplaum thiab tiv thaiv lawv kom tsis txhob tawv los ntawm kev kho cua sov.
1. Cov Khoom ntawm 304 Stainless Steel
● Cov Tshuaj Lom Zem ntawm 304 Stainless Steel
| Cov pa roj carbon | Manganese | Silicon | Phosphorus | Sulfur | Chromium | Nickel | Nitrogen | |
| 304 | 0.08 | 2 | 0.75 | 0.045 | 0.03 | 18.0/20.0 | 8.0/10.6 | 0.1 |
● Cov Khoom Siv Lub Cev ntawm 304 SS
| Melting Point | 1450 ℃ |
| Qhov Ceev | 8.00 g/cm^3 |
| Kev nthuav dav thermal | 17.2 x10^-6/K |
| Modulus ntawm Elasticity | 193 GPa |
| Kev Ua Kub | 16.2 W/mK |
● Cov Khoom Siv Kho Tshuab ntawm 304 Stainless Steel
| Lub zog tensile | 500-700 Mpa |
| Kev ntev A50 hli | 45 feeb % |
| Qhov nyuaj (Brinell) | 215 Max HB |
● Cov ntawv thov ntawm 304 Stainless Steel
Cov lag luam kho mob feem ntau siv 304 SS vim nws tiv taus cov tshuaj ntxuav muaj zog yam tsis xeb. Ua ib qho ntawm ob peb yam hlau uas ua tau raws li cov cai huv ntawm Food and Drug Administration rau kev npaj zaub mov, kev lag luam zaub mov feem ntau siv 304 SS.
Kev npaj zaub mov: Cov lauj kaub kib, cov rooj npaj zaub mov.
Cov khoom siv hauv chav ua noj: cov khoom siv ua noj, cov khoom siv nyiaj.
Kev tsim vaj tsev: siding, elevators, chav dej stalls.
Kev kho mob: cov tais, cov cuab yeej phais.
2. Cov Khoom ntawm 316 Stainless Steel
316 muaj ntau yam khoom siv tshuaj lom neeg thiab khoom siv kho tshuab zoo ib yam li 304 stainless hlau. Yog tias koj saib ob hom hlau no ces zoo ib yam. Txawm li cas los xij, cov khoom sib xyaw ua ke ntawm 316, uas muaj 16% chromium, 10% nickel, thiab 2% molybdenum, yog qhov sib txawv tseem ceeb ntawm 304 thiab 316 stainless hlau.
● Cov Khoom Siv Lub Cev ntawm 316 SS
| Qhov kub yaj | 1400 ℃ |
| Qhov Ceev | 8.00 g/cm^3 |
| Modulus ntawm Elasticity | 193 GPa |
| Kev nthuav dav thermal | 15.9 x 10^-6 |
| Kev Ua Kub | 16.3 W/mK |
● Cov Khoom Siv Kho Tshuab ntawm 316 SS
| Lub zog tensile | 400-620 Mpa |
| Kev ntev A50 hli | 45% feeb |
| Qhov nyuaj (Brinell) | 149 siab tshaj HB |
Cov ntawv thov ntawm 316 Stainless Steel
Qhov ntxiv Molybdenum rau hauv 316 ua rau nws tiv taus xeb ntau dua li cov hlau zoo sib xws. Vim nws tiv taus xeb zoo dua, 316 yog ib qho ntawm cov hlau tseem ceeb rau cov chaw nyob hauv dej hiav txwv. 316 stainless hlau kuj tseem siv rau hauv tsev kho mob vim nws ruaj khov thiab huv si.
Kev Tswj Dej: boilers, dej kub
Cov khoom siv hauv dej hiav txwv - txoj hlua nkoj, hlua hlau, ntaiv nkoj
Cov Khoom Siv Kho Mob
Cov khoom siv ua tshuaj lom neeg
304 vs 316 Stainless Steel: Kev Tiv Thaiv Kub
Kev tiv taus cua sov yog ib qho tseem ceeb uas yuav tsum xav txog thaum piv rau cov qib sib txawv ntawm cov hlau tsis xeb. Qhov ntau ntawm 304 yaj yog li ntawm 50 txog 100 degrees Fahrenheit siab dua 316. Txawm hais tias qhov ntau ntawm 304 yaj siab dua 316, lawv ob leeg muaj kev tiv taus zoo rau oxidization hauv kev pabcuam tsis tu ncua txog li 870 ° C (1500 ℉) thiab hauv kev pabcuam tas mus li ntawm 925 ° C (1697 ℉).
304 SS: Ua haujlwm tau zoo thaum kub heev, tab sis kev siv tas li ntawm 425-860 ° C (797-1580 ° F) yuav ua rau xeb.
316 SS: Ua tau zoo tshaj plaws hauv qhov kub siab tshaj 843 ℃ (1550 ℉) thiab qis dua 454 ℃ (850 ° F)
Tus nqi sib txawv ntawm 304 Stainless Steel vs 316
Dab tsi ua rau 316 kim dua li 304 stainless hlau?
Qhov nce ntawm cov ntsiab lus nickel thiab ntxiv 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 Steel: Qhov twg zoo dua?
Thaum piv 304 stainless hlau vs 316, lawv ob leeg muaj qhov zoo thiab qhov tsis zoo uas yuav tsum xav txog thaum txiav txim siab seb yuav siv qhov twg rau ntau yam kev siv. Piv txwv li, 316 stainless hlau tiv taus ntsev thiab lwm yam tshuaj corrosives dua li 304. Yog li, yog tias koj tsim cov khoom uas feem ntau yuav ntsib kev raug tshuaj lom neeg lossis ib puag ncig hauv dej hiav txwv, 316 yog qhov kev xaiv zoo dua.
Ntawm qhov tod tes, yog tias koj tsim cov khoom uas tsis xav tau kev tiv thaiv xeb zoo, 304 yog qhov kev xaiv uas siv tau thiab pheej yig. Rau ntau daim ntawv thov, 304 thiab 316 yeej sib pauv tau.
Jindalai Steel Group yog ib lub tuam txhab tshwj xeeb thiab yog tus thawj coj hauv kev muab khoom siv hlau thiab stainless hlau. Xa koj cov lus nug thiab peb yuav zoo siab los sab laj nrog koj.
KAB NTAWV KUB:+86 18864971774WECHAT: +86 18864971774WHATSAPP:https://wa.me/8618864971774
EMAIL:jindalaisteel@gmail.com sales@jindalaisteelgroup.com LUB VEV XAIB:www.jindalaisteel.com
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-19-2022
