304 vs 316 Stainless Steel: Yuav Ua Li Cas Xaiv Cov Tuav, Cov Ntawv thiab Cov Raj

Kev Taw Qhia

Thaum sib piv304 vs 316 stainless hlau, cov neeg yuav khoom yuav tsum xaiv 304 rau cov qauv sab hauv tsev dav dav, cov khoom siv khoom noj, cov khoom dai kom zoo nkauj, cov hlau tsis xeb txheem, cov ntawv thiab cov raj uas xeb nruab nrab thiab tswj tus nqi yog qhov tseem ceeb. Xaiv 316 thaum daim ntawv thov cuam tshuam nrog chloride, dej hiav txwv, ntug dej hiav txwv, tshuaj lom neeg, khoom siv hauv hiav txwv, cov khoom siv kho mob, roj thiab roj av lossis cov kev xav tau tiv taus xeb muaj zog dua. Qhov sib txawv tseem ceeb yog tias 316 muaj molybdenum, uas txhim kho kev tiv taus rau pitting thiab crevice corrosion, tshwj xeeb tshaj yog nyob rau hauv cov chaw muaj chloride.

Ob qho tib si 304 thiab 316 yog cov hlau tsis xeb austenitic uas siv dav hauv cov tuav, cov ntawv, cov phaj, cov kav dej, cov raj, cov hlau, cov flanges thiab cov khoom siv. Lawv muaj cov qauv zoo, kev sib txuas tau zoo, kev huv si thiab kev xaiv tiav qhov chaw. Txawm li cas los xij, kev xaiv qib tsis raug yuav ua rau tus nqi tsis tsim nyog, kev xeb ua ntej lub sijhawm, kev xa khoom qeeb lossis kev tsis lees paub thaum lub sijhawm tshuaj xyuas qhov project.

Rau kev yuav khoom lag luam, qhov kev txiav txim siab zoo yuav tsum xav txog qhov chaw xeb, qhov yuav tsum tau ua ntawm cov khoom siv, qhov kub thiab txias, txoj kev tsim khoom, qhov chaw tiav, qhov yuav tsum tau ua ntawm daim ntawv pov thawj, cov qauv muaj, kev tswj tus lej kub, EN 10204 3.1 MTC, kev kuaj PMI, kev kuaj UT, kev tshuaj xyuas los ntawm lwm tus, kev ntim khoom xa tawm thiab kev xa khoom.

304 thiab 316 Stainless hlau yog dab tsi?

304 stainless hlau yog ib qho ntawm cov hlau stainless chromium-nickel austenitic uas siv ntau tshaj plaws. Nws yog siv dav rau cov khoom siv hauv chav ua noj, cov tshuab ua zaub mov, kho kom zoo nkauj, cov khoom siv hauv kev lag luam dav dav, cov ntawv stainless hlau, cov raj thiab cov tuav. Nws muaj kev tiv thaiv xeb zoo hauv huab cua ib txwm muaj thiab qhov chaw xeb me ntsis.

316 stainless hlau kuj yog ib hom austenitic stainless hlau, tab sis nws muaj molybdenum. Qhov no ua rau nws tsis yooj yim rau chloride corrosion, pitting corrosion thiab crevice corrosion. Rau kev siv hauv dej hiav txwv, tshuaj lom neeg, ntug dej hiav txwv, tshuaj, kev kho mob thiab kev lag luam uas xav tau ntau dua, 316 feem ntau nyiam dua 304.

Cov Lus Qhia Txog Tus Neeg Yuav Khoom Sai

Daim Ntawv Thov Mob	Qib Pom Zoo	Vim li cas
Kev tsim khoom dav dav hauv tsev	304	Kev tiv thaiv corrosion zoo thiab tus nqi qis dua rau cov chaw ib txwm muaj
Cov khoom siv ua zaub mov thiab chav ua noj	304 los yog 316	304 yog ib qho uas siv ntau; 316 zoo dua thaum muaj tshuaj ntxuav chloride lossis muaj kev pheej hmoo ntawm kev xeb ntau dua.
Ib puag ncig ntug dej hiav txwv lossis dej hiav txwv	316	Molybdenum txhim kho kev tiv thaiv rau chloride pitting thiab crevice corrosion
Cov khoom siv tshuaj lom neeg	316 lossis ntau dua hlau	316 ua tau zoo dua li 304 hauv ntau yam kev pabcuam tshuaj lom neeg thiab chloride
Qhov tseem ceeb tshaj plaws rau tus nqi khoom siv qis tshaj plaws	304	304 feem ntau muab kev siv nyiaj zoo dua thaum 316 tsis tas yuav tiv taus corrosion

Kev Sib Piv Txog Cov Tshuaj Lom Zem

Cov tshuaj lom neeg sib xyaw ua ke yog qhov tseem ceeb tshaj plaws rau qhov sib txawv ntawm kev ua tau zoo ntawm 304 thiab 316 stainless hlau. Ob qib muaj chromium thiab nickel, tab sis 316 suav nrog molybdenum. Cov ntsiab lus molybdenum no yog qhov tseem ceeb uas ua rau 316 tiv taus zoo dua hauv chloride thiab dej hiav txwv.

Khoom	304 Stainless Steel Feem Ntau Ntau (%)	316 Stainless Steel Feem Ntau Ntau (%)	Cov Lus Cim Xaiv Khoom
Chromium (Cr)	18.0 – 20.0	16.0 – 18.0	Nws muaj cov yam ntxwv ntawm kev tiv thaiv corrosion thiab oxidation tsis kam rau stainless hlau
Nickel (Ni)	8.0 – 10.5	10.0 – 14.0	Ua kom cov qauv austenitic ruaj khov thiab txhim kho kev tawv thiab kev tiv thaiv corrosion
Molybdenum (Mo)	Feem ntau tsis tau teev tseg	2.0 – 3.0	Qhov laj thawj tseem ceeb 316 ua tau zoo dua hauv chloride thiab marine ib puag ncig
Cov pa roj carbon (C)	Qhov siab tshaj plaws 0.08	Qhov siab tshaj plaws 0.08	Cov qauv qis-carbon 304L thiab 316L yog qhov zoo dua rau cov qauv welded
Manganese (Mn)	Siab tshaj plaws 2.00	Siab tshaj plaws 2.00	Cov khoom tswj hwm rau kev ua hlau thiab kev ruaj khov ntawm cov qauv
Silicon (Si)	Siab tshaj 1.00	Siab tshaj 1.00	Cov khoom seem uas tswj tau uas cuam tshuam rau kev ua haujlwm ntawm oxidation thiab kev ua haujlwm
Phosphorus / Sulfur	Cov theem tswj qis	Cov theem tswj qis	Tseem ceeb rau kev huv, kev ua haujlwm kub, weldability thiab qhov zoo ntawm qhov chaw

Cov Khoom Siv Kho Tshuab ntawm 304 vs 316 Stainless Steel

Cov khoom siv kho tshuab ntawm 304 thiab 316 stainless hlau zoo sib xws hauv ntau hom khoom txheem. Hauv kev yuav khoom siv, qhov chaw xeb thiab tus nqi feem ntau cuam tshuam rau qhov kev txiav txim siab ntau dua li lub zog. Txawm li cas los xij, cov neeg yuav khoom tseem yuav tsum paub meej tias lub zog tensile, lub zog tawm los, elongation, hardness thiab cov khoom mob ntawm MTC ua ntej xa khoom.

Vaj tse	304 Cov Hlau Stainless	316 Cov Hlau Stainless	Cov Lus Qhia Txog Kev Yuav Khoom
Lub zog tensile	Feem ntau nyob ib ncig ntawm 515 MPa yam tsawg kawg nkaus nyob ntawm tus qauv thiab daim ntawv	Feem ntau nyob ib ncig ntawm 515 MPa yam tsawg kawg nkaus nyob ntawm tus qauv thiab daim ntawv	Tus nqi tiag tiag nyob ntawm seb muaj pes tsawg daim, ntawv, phaj, raj, yeeb nkab thiab kev kho cua sov
Lub Zog Tawm	Feem ntau nyob ib ncig ntawm 205 MPa yam tsawg kawg nkaus rau cov khoom annealed	Feem ntau nyob ib ncig ntawm 205 MPa yam tsawg kawg nkaus rau cov khoom annealed	Kev ua haujlwm txias tuaj yeem ua rau lub zog rau qee yam khoom siv bar, strip thiab hlau
Kev ntev	Kev ua tau zoo	Kev ua tau zoo	Haum rau kev tsim, khoov thiab tsim khoom hauv annealed mob
Qhov nyuaj	Nyob ntawm seb muaj xwm txheej dab tsi	Nyob ntawm seb muaj xwm txheej dab tsi	Paub meej tias qhov nyuaj thaum ua haujlwm, txhuam lossis hnav tsis kam yog qhov tseem ceeb
Kev Ua Haujlwm Kub Siab	Kev tiv thaiv oxidation zoo rau ntau yam kev pabcuam dav dav	Zoo oxidation thiab corrosion tsis kam nyob rau hauv ntau qhov chaw xav tau	Rau kev tsim qauv kub siab, paub meej tias qhov kub thiab txias ntawm kev pabcuam thiab cov cai siab yog dab tsi

Cov Qauv Siv Tau thiab Cov Qib Sib Npaug

Cov hlau tsis xeb 304 thiab 316 raug muab los ntawm cov qauv ASTM, ASME, EN, DIN, JIS thiab GB sib txawv nyob ntawm cov khoom lag luam. Cov neeg yuav khoom tsis yog tsuas yog qhia qib xwb, tab sis kuj yuav tsum paub meej tias qhov yuav tsum tau ua yog rau cov hlau tsis xeb bar, daim ntawv, phaj, yeeb nkab seamless, raj vuam, flange, fitting lossis hlau.

Khoom	304 Cov Hlau Stainless	316 Cov Hlau Stainless	Cov Khoom Siv Dav Dav
UNS	S30400 / S30403 rau 304L	S31600 / S31603 rau 316L	Kev txheeb xyuas cov khoom siv thoob ntiaj teb dav dav
ASTM A276	304 / 304L hlau	316 / 316L hlau	Stainless hlau puag ncig bar, square bar, tiaj tus bar thiab hex bar
ASTM A240	304 / 304L daim ntawv thiab phaj	316 / 316L daim ntawv thiab phaj	Cov ntawv hlau tsis xeb, phaj thiab kauj rau kev siv siab thiab dav dav
ASTM A312	TP304 / TP304L yeeb nkab	TP316 / TP316L yeeb nkab	Seamless thiab welded stainless hlau yeeb nkab
ASTM A269 / A270	304 / 304L raj	316 / 316L raj	Cov cuab yeej siv, kev huv huv, khoom noj khoom haus, tshuaj thiab cov txheej txheem raj
EN / DIN	1.4301 / 1.4307	1.4401 / 1.4404	Cov duab kos European, tshuab, kev lag luam thiab kev tsim kho
JIS	SUS304 / SUS304L	SUS316 / SUS316L	Cov phiaj xwm txheem Nyiv thiab cov lus qhia ua lag luam hauv Es Xias
GB	06Cr19Ni10 / 022Cr19Ni10	06Cr17Ni12Mo2 / 022Cr17Ni12Mo2	Cov ntaub ntawv pov thawj thiab cov ntaub ntawv xa tawm ntawm cov hlau tsis xeb hauv Suav teb

Kev Ntsuas Zoo thiab Kev Tshawb Xyuas Cov Khoom Siv

Rau cov hlau tsis xeb 304 thiab 316, cov ntawv thiab cov raj, qhov kev taug qab cov khoom siv yog qhov tseem ceeb. Tus lej cua sov ntawm daim ntawv lo khoom, daim ntawv teev khoom thiab EN 10204 3.1 MTC yuav tsum sib phim. Qhov no tseem ceeb heev rau cov kav dej siab, cov khoom siv zaub mov, cov khoom siv kho mob, cov nroj tsuag tshuaj, cov khoom siv hauv hiav txwv thiab cov haujlwm tsim khoom xa tawm.

Daim Ntawv Pov Thawj thiab Daim Ntawv Teev Xyuas Kev Tshuaj Xyuas

Kev Tshuaj Xyuas / Cov Ntaub Ntawv	Yuav Tsum Tshawb Xyuas Dab Tsi	Vim Li Cas Nws Tseem Ceeb
EN 10204 3.1 MTC	Qib, tus qauv, tus lej cua sov, cov tshuaj lom neeg muaj pes tsawg leeg, cov khoom siv kho tshuab, qhov loj me thiab cov xwm txheej xa khoom	Paub meej tias qhov zoo ntawm cov khoom siv thiab txhawb cov ntaub ntawv sau tseg ntawm qhov project
Kev Tswj Tus Naj Npawb Kub	Tus lej cua sov ntawm cov khoom siv cim, daim ntawv lo, daim ntawv teev khoom thiab MTC yuav tsum sib xws	Tiv thaiv cov khoom sib xyaw ua ke thiab kev xa khoom tsis raug
Kev Ntsuas PMI	Xyuas kom meej cov ntsiab lus ntawm Cr, Ni thiab Mo, tshwj xeeb tshaj yog kom paub qhov txawv ntawm 304 thiab 316	Tseem ceeb rau kev tswj cov khoom siv tiv thaiv kev cuav thiab kev txheeb xyuas qib
Kev Ntsuas UT	Siv rau cov tuav, cov phaj thiab cov khoom tseem ceeb thaum xav tau kev ruaj ntseg sab hauv	Txo qhov kev pheej hmoo rau kev siv tshuab, cov khoom siv siab thiab cov khoom siv txhim khu kev qha siab
Kev Tshuaj Xyuas Qhov Ntev	Txoj kab uas hla, OD, phab ntsa tuab, daim ntawv tuab, dav, ntev, ncaj thiab kam rau ua	Xyuas kom meej tias kev ua haujlwm, kev teeb tsa thiab kev tsim khoom raug ua tiav
Kev Tshuaj Xyuas Nto	Tshawb xyuas cov khawb, cov qhov, qhov zoo ntawm kev txhuam, qhov zoo ntawm kev pickling, qhov chaw ntawm lub raj thiab qhov chaw ntawm lub phaj	Tseem ceeb rau kev kho kom zoo nkauj, huv, qib khoom noj thiab cov khoom pom tseeb
Kev Tshuaj Xyuas Sab Nraud	SGS, BV, TUV, Intertek lossis cov neeg siv khoom xaiv los tshuaj xyuas ua ntej xa khoom	Muab kev ntseeg siab ntxiv rau cov xaj xa tawm thiab cov haujlwm engineering

Kev Sib Piv Nrog Cov Khoom Siv Hlau Stainless Zoo Sib Xws

Feem ntau cov hlau tsis xeb 304 thiab 316 raug piv rau 304L, 316L, 321, 310S, 2205 duplex thiab 904L. Rau cov qauv welded, cov qib carbon qis xws li 304L thiab 316L feem ntau nyiam dua. Rau kev pabcuam kub siab dua, 321 lossis 310S yuav raug txiav txim siab. Rau kev tiv thaiv xeb chloride muaj zog dua, 2205 duplex lossis 904L yuav raug ntsuas.

Khoom siv	Kev Tiv Thaiv Kev Xeb	Lub zog	Qib Nqi	Cov Lus Qhia Zoo Tshaj Plaws rau Kev Siv
304	Zoo rau cov chaw ib puag ncig dav dav	Nruab Nrab	Qis dua 316	Cov khoom siv dav dav, kev ua zaub mov, kev kho kom zoo nkauj, cov qauv sab hauv tsev thiab kev tsim khoom txheem
316	Zoo dua nyob rau hauv chloride, ntug dej hiav txwv thiab tshuaj lom neeg ib puag ncig	Nruab Nrab	Siab dua 304	Cov khoom siv kho vajtse hauv dej hiav txwv, cov khoom siv tshuaj lom neeg, cov khoom siv kho mob thiab cov haujlwm ntug dej hiav txwv
304L	Zoo ib yam li 304	Lub zog carbon qis dua me ntsis piv rau tus qauv 304	Zoo ib yam li 304	Cov qauv vuam uas xav tau kev tiv thaiv zoo dua rau kev hnov ​​​​​​mob
316L	Zoo ib yam li 316 nrog kev ua haujlwm vuam zoo dua	Nruab Nrab	Siab dua 304L	Cov khoom siv tshuaj lom neeg, marine, kev kho mob thiab tshuaj welded
2205 Duplex	Muaj kev tiv thaiv chloride ntau dua li 304/316 hauv ntau daim ntawv thov	Siab	Siab dua 304 thiab feem ntau sib tw nrog 316 nyob ntawm kev ua lag luam	Cov hlab ntsha siab, cov khoom siv hauv hiav txwv, kev ua tshuaj lom neeg thiab kev pabcuam chloride
904L	Zoo heev nyob rau hauv ntau qhov chaw muaj zog acid thiab chloride	Nruab Nrab	Siab dua	Kev pabcuam xeb hnyav uas 316 tsis txaus

Cov Ntawv Thov Kev Lag Luam ntawm 304 thiab 316 Stainless Steel

Ob qho tib si 304 thiab 316 stainless hlau muaj nyob rau hauv daim ntawv ntawm cov hlau tsis xeb, cov ntawv, cov phaj, cov kav dej tsis muaj qhov, cov raj vuam, cov hlau, cov flanges thiab cov khoom siv. Yuav tsum xaiv qib kom raug raws li qhov chaw ua haujlwm tiag tiag, tsis yog raws li tus nqi xwb. Rau cov khoom siv hauv tsev qhuav, 304 feem ntau txaus. Rau kev raug dej hiav txwv, tshuaj lom neeg lossis chloride, 316 yog qhov kev xaiv khoom siv zoo dua.

Kev Lag Luam / Daim Ntawv Thov	Cov Khoom Siv Pom Zoo	Cov Khoom Siv Feem Ntau	Vim Li Cas Xaiv
Kev Ua Zaub Mov	304 / 316	Cov ntawv, cov raj, cov thoob dej, cov tais, cov khoom siv thiab cov khoom siv huv	304 siv dav; 316 zoo dua nrog cov tshuaj ntxuav chloride lossis cov tshuaj xeb muaj zog dua
Cov Khoom Siv Marine thiab Coastal	316 / 316L	Cov tuav, cov phaj, cov ntsia hlau, cov kav dej, cov ntaiv tes thiab cov khoom siv marine	Zoo dua tiv taus chloride pitting thiab coastal corrosion
Kev Ua Tshuaj Lom Zem	316 / 316L lossis cov hlau siab dua	Cov kav dej, cov raj, cov flanges, cov khoom siv, cov li qub thiab cov phaj	316 yog qhov tsim nyog dua li 304 rau ntau yam tshuaj lom neeg thiab chloride-muaj cov xov xwm
Kev Tsim Kho thiab Kho Kom Zoo Nkauj	304 rau sab hauv tsev, 316 rau sab nraum zoov ntug dej hiav txwv	Cov ntawv, cov phaj, cov raj, cov profile, cov handrails thiab cov vaj huam sib luag kho kom zoo nkauj	Kev xaiv qib uas pheej yig raws li qhov xwm txheej raug
Kev Kho Mob thiab Tshuaj	316 / 316L	Cov raj, cov ntawv, cov hlau, cov tais, cov khoom thiab cov khoom ua kom raug	Kev tiv thaiv xeb zoo dua thiab kev huv si rau cov chaw xav tau kev pab ntau
Cov Tshuab Dav Dav	304	Cov tuav, cov ncej, cov phaj, cov brackets, cov tiv thaiv tshuab thiab cov thav duab	Kev ua tau zoo thiab tus nqi qis dua rau cov xwm txheej kev lag luam ib txwm muaj

Vim li cas ho xaiv 304 lossis 316 Stainless Steel?

Cov khoom siv zoo tshaj plaws tsis yog qib kim tshaj plaws tas li. Rau ntau qhov chaw sab hauv tsev, qhuav lossis muaj xeb me ntsis, 304 stainless hlau muab tus nqi zoo heev. Rau cov tshuaj chloride, marine, ntug dej hiav txwv, tshuaj lom neeg lossis kev siv kho mob, 316 stainless hlau tuaj yeem txo qhov kev pheej hmoo ntawm xeb thiab txhim kho lub neej ua haujlwm. Kev xaiv zoo yog nyob ntawm qhov sib npaug ntawm kev tiv thaiv xeb, kev ua haujlwm kho tshuab, qhov xav tau ntawm qhov chaw thiab nyiaj txiag.

Kev Sib Piv Txog Kev Xeb, Lub Zog thiab Tus Nqi

Qhov Xaiv Tau	304 Cov Hlau Stainless	316 Cov Hlau Stainless	Kev Txiav Txim Siab ntawm Tus Neeg Yuav Khoom
Kev Tiv Thaiv Kev Xeb	Zoo rau huab cua dav dav, cov khoom siv ua zaub mov thiab kev pabcuam sab hauv tsev	Zoo dua nyob rau hauv chloride, marine, coastal thiab tshuaj lom neeg ib puag ncig	Xaiv 316 thaum muaj kev pheej hmoo ntawm kev xeb ntau dua
Lub Zog Kho Tshuab	Zoo ib yam li 316 hauv ntau yam mob annealed	Zoo ib yam li 304 hauv ntau yam mob annealed	Tsis txhob xaiv 316 tsuas yog rau lub zog siab dua xwb; xaiv nws feem ntau rau kev tiv thaiv corrosion
Tus nqi	Feem ntau qis dua	Feem ntau siab dua vim yog cov ntsiab lus Ni thiab Mo	Xaiv 304 thaum ib puag ncig tsis xav tau 316 kev ua tau zoo
Kev vuam tau	Zoo; 304L nyiam rau kev vuam hnyav	Zoo; 316L nyiam rau kev vuam hnyav	Siv cov qib L uas tsis muaj carbon thaum qhov kev tiv thaiv corrosion welded yog qhov tseem ceeb
Qhov Chaw Tiav	Zoo heev rau kev ua tiav polished, brushed thiab decorative finishes	Zoo heev rau kev ua tiav polished, brushed thiab sanitary	Paub meej tias 2B, BA, No.4, HL, daim iav lossis pickled tiav ua ntej kev txiav txim.

Cov Yuam Kev Feem Ntau ntawm Cov Neeg Yuav Khoom

Ib qho yuam kev uas feem ntau tshwm sim yog xaiv 304 vim nws pheej yig dua, txawm tias thaum siv cov khoom no ze dej hiav txwv lossis cov tshuaj chloride. Lwm qhov yuam kev yog xaiv 316 rau txhua qhov project, txawm tias 304 twb tsim nyog lawm. Cov neeg yuav khoom kuj yuav tsum tsis txhob txais cov ntaub ntawv uas tsis muaj MTC, cov lej kub sib xyaw, cov ntaub ntawv tsis meej lossis tsis muaj kev xeem PMI thaum qhov kev txheeb xyuas qib tseem ceeb.

Kev Ua Tiav Ntawm Qhov Chaw, Kev Ua Khoom Thiab Kev Xa Khoom Mus Rau Lwm Lub Tebchaws

Cov hlau tsis xeb 304 thiab 316 tuaj yeem muab nrog ntau qhov chaw tiav raws li daim ntawv thov. Cov ntawv thiab phaj tiav feem ntau suav nrog 2B, BA, No.1, No.4, kab plaub hau, txhuam, iav, txhuam thiab PVC-coated nto. Cov tuav tuaj yeem muab tau raws li dub, ci, tev tawv, sib tsoo, txhuam lossis tsis sib tsoo. Cov raj tuaj yeem muab tau raws li pickled, txhuam, huv, BA lossis EP nto nyob ntawm qhov xav tau ntawm qhov project.

Rau kev ntim khoom xa tawm, cov hlau tsis xeb feem ntau yog ntim thiab tiv thaiv nrog cov khoom siv tsis muaj dej. Cov ntawv thiab cov phaj tuaj yeem ntim rau ntawm cov ntoo pallets nrog zaj duab xis tiv thaiv. Cov raj thiab cov kav dej yuav xav tau lub hau kawg, yas qhwv, cov thawv ntoo lossis cov pob khoom ntim. Cov ntawv lo meej yuav tsum qhia qib, qhov loj me, tus lej cua sov, qhov ntau thiab cov ntaub ntawv xa mus los txhawb kev txais khoom hauv tsev rau khoom thiab cov ntaub ntawv pov thawj kev lis kev cai.

Cov Khoom Siv Hlau Stainless Hlau

SAKY STEEL muab cov hlau tsis xeb 304 thiab 316 hauv ntau hom khoom rau cov neeg yuav khoom lag luam. Cov kev sib txuas khoom tuaj yeem pab cov neeg yuav khoom sai sai paub meej tias lawv puas xav tau cov hlau, cov ntawv, cov raj, cov kav dej, cov hlau, cov flanges lossis cov khoom siv rau lawv qhov project.

Khoom	Cov Qib Kawm Sib Xws	Kev Siv Ib Txwm Muaj
Stainless hlau Bar	304, 304L, 316, 316L, 321, 310S, 2205	Cov ncej, cov khoom siv txuas, cov khoom siv tshuab, cov khoom siv valve thiab cov khoom siv kho tshuab
Cov Ntawv Hlau Tsis Muaj Hlau	304, 304L, 316, 316L, 430, 201	Cov khoom siv ua zaub mov, kho kom zoo nkauj, vaj huam sib luag, npog tshuab thiab tsim khoom
Cov Yeeb Nkab Hlau Stainless thiab Lub Raj Mis	304, 304L, 316, 316L, 321, 904L, ob lub raj	Cov kav dej, cov kav dej huv, cov khoom hloov pauv cua sov, cov kav dej thiab cov kab ua haujlwm
Hlau Stainless	304, 304L, 316, 316L, 310S, 904L	Cov Springs, mesh, hlua hlau, vuam, braiding thiab cov khoom siv hlau lag luam
Cov Flanges Hlau Tsis Muaj Hlau Thiab Cov Khoom Siv	304, 304L, 316, 316L, duplex thiab nickel alloy qib	Kev sib txuas kav dej, cov txheej txheem siab, roj thiab roj av, cov haujlwm tshuaj lom neeg thiab kev kho dej

Cov Lus Nug Txog 304 vs 316 Stainless Steel

1. Qhov twg zoo dua, 304 lossis 316 stainless hlau?

316 zoo dua rau cov tshuaj chloride, dej hiav txwv, ntug dej hiav txwv thiab cov chaw muaj tshuaj lom neeg vim nws muaj molybdenum. 304 zoo dua thaum cov chaw ib puag ncig dav dav, sab hauv tsev lossis muaj xeb me ntsis thiab tus neeg yuav khoom xav tau kev tswj tus nqi zoo dua. Qib zoo dua nyob ntawm daim ntawv thov, tsis yog lub npe khoom xwb.

2. Puas yog 316 stainless hlau muaj zog dua 304?

Hauv ntau hom khoom annealed, 304 thiab 316 muaj lub zog zoo sib xws. Qhov zoo tshaj plaws ntawm 316 tsis yog lub zog siab dua, tab sis zoo dua corrosion tiv taus nyob rau hauv chloride thiab ntau yam kev kub ntxhov.

3. Vim li cas 316 stainless hlau kim dua 304?

316 feem ntau kim dua vim nws muaj nickel ntau dua thiab muaj molybdenum. Cov khoom sib xyaw no txhim kho kev tiv thaiv corrosion tab sis kuj ua rau cov khoom siv raw kim dua. Yog tias daim ntawv thov tsis xav tau 316 tiv thaiv corrosion, 304 yuav pheej yig dua.

4. Kuv puas yuav tsum siv 304 lossis 316 rau kev siv sab nraum zoov?

Rau cov chaw sab nraum zoov ib txwm, 304 tej zaum yuav siv tau. Rau cov ntug dej hiav txwv, dej hiav txwv, ntsev de-icing lossis tshuaj lom neeg, 316 feem ntau raug pom zoo vim tias nws tiv taus xeb chloride zoo dua. Kev ua tiav ntawm qhov chaw thiab kev saib xyuas kuj cuam tshuam rau qhov zoo nkauj mus sij hawm ntev.

5. Cov khoom siv vuam puas yuav tsum siv 304L lossis 316L es tsis txhob siv 304 lossis 316?

Rau cov qauv vuam, 304L thiab 316L feem ntau yog qhov nyiam vim tias lawv cov pa roj carbon tsawg dua pab txo qhov kev pheej hmoo ntawm kev hnov ​​​​​​mob tom qab vuam. Yog tias cov khoom yuav raug vuam hnyav lossis siv rau hauv kev pabcuam xeb tom qab vuam, cov neeg yuav khoom yuav tsum paub meej tias qib L puas xav tau.

6. Cov neeg yuav khoom yuav ua li cas thiaj paub tseeb tias cov khoom siv yog 304 lossis 316?

Cov neeg yuav khoom yuav tsum xyuas EN 10204 3.1 MTC, tus lej cua sov, cim khoom thiab cov tshuaj lom neeg. Kev kuaj PMI yog qhov tshwj xeeb tshaj yog vim nws tuaj yeem txheeb xyuas cov ntsiab lus chromium, nickel thiab molybdenum. Qhov muaj molybdenum pab cais 316 los ntawm 304.

7. Cov ntaub ntawv twg xav tau rau kev hais nqe sai?

Ib qho lus nug tiav yuav tsum muaj xws li qib, tus qauv, daim ntawv khoom, qhov loj me, ntau npaum li cas, qhov chaw tiav, kev kam rau siab, daim ntawv pov thawj xav tau, qhov yuav tsum tau kuaj, qhov chaw nres nkoj mus thiab qhov yuav tsum tau ntim khoom. Piv txwv li: ASTM A276 316L stainless hlau puag ncig, txoj kab uas hla 30 hli, ntev 3000 hli, qhov chaw ci, EN 10204 3.1 MTC xav tau.

Xaus lus

Qhov kev xaiv ntawm 304 thiab 316 stainless hlau yuav tsum yog raws li qhov chaw xeb, qhov xwm txheej ntawm kev siv, cov qauv khoom, qhov chaw tiav, qhov yuav tsum tau vuam, daim ntawv pov thawj yuav tsum tau ua thiab peev nyiaj. 304 stainless hlau yog qhov kev xaiv pheej yig rau cov khoom siv dav dav, kev ua zaub mov, cov qauv hauv tsev, kev kho kom zoo nkauj thiab kev siv hauv kev lag luam ib txwm muaj. 316 stainless hlau yog qhov kev xaiv zoo dua rau cov chaw hauv dej hiav txwv, ntug dej hiav txwv, tshuaj lom neeg, kev kho mob thiab cov chaw muaj chloride.

Rau cov hlau tuav, cov ntawv thiab cov raj, cov neeg yuav khoom yuav tsum paub meej tias tus qauv ASTM lossis EN raug, qib sib npaug, tus lej cua sov, EN 10204 3.1 MTC, kev kuaj PMI, kev tshuaj xyuas qhov ntev thiab kev ntim khoom xa tawm ua ntej xa khoom. Tus neeg muag khoom hlau stainless tshaj lij yuav tsum pab cov neeg yuav khoom sib piv cov ntaub ntawv, zam kev muab khoom tsis raug thiab xaiv qib uas sib npaug rau kev tiv thaiv corrosion, kev ua haujlwm kho tshuab thiab tus nqi.