Dab tsi yog 18-10 Stainless Hlau? Kev sib xyaw, sib npaug thiab kev siv
Apr 21, 2025
Tso lus
18-10 txhais li cas?
18-10 (tseem sau 18/10) yog ib qho luv luv rau austenitic stainless hlau uas muaj txog 18% chromium thiab 10% npib tsib xee. Cov lej piav qhia txog ob lub ntsiab lus alloying uas txhais cov classic 18-8 tsev neeg: chromium muab cov hlau nws cov corrosion kuj los ntawm passive oxide zaj duab xis, thiab npib tsib xee stabilizes lub austenitic qauv, uas muab toughness, formability thiab tsis-sib nqus cwj pwm. Lub 10% npib tsib xee sib raug rau sab sauv ntawm 8.0-10.5% npib tsib xee ntawm qib 304 (UNS S30400), yog li 18-10 yog, nyob rau hauv cov ntsiab lus, 304 nrog nws cov ntsiab lus npib tsib xee ntawm qhov siab kawg. Lub npe yog dav siv nyob rau hauv lub cookware thiab zaub mov kev lag luam raws li ib tug zoo daim ntawv lo, vim hais tias cov nickel cov ntsiab lus siab dua txhim kho cov qauv stability thiab tsis kam mus corrosion nyob rau hauv cov zaub mov ib puag ncig.
Qib sib npaug ntawm 18-10
| Standard System | Hom Qib | Standard Number |
|---|---|---|
| Teb chaws USA | AISI / ASTM 304 (UNS S30400) | ASTM A 240 Cov Lus Qhia |
| Nyiv | SUS 304 | JIS G4303 / G4304 / G4305 |
| Tuam Tshoj | 06Cr19Ni10 | GB/T 3280/GB/T 4237 |
| European Union | 1.4301 (X5CrNi18-10) | TS EN 10088-1 |
Tshuaj muaj pes tsawg leeg
Cov lus hauv qab no muab cov kev txwv ntawm 304 lub hauv paus rau ASTM A240 thiab JIS G4303 (qhov hnyav feem pua).
| Element | Cov ntsiab lus | Lub luag haujlwm |
|---|---|---|
| Chromium (Cr) | 18.0 - 20.0 | Tsim cov zaj duab xis tiv thaiv passive; lub hauv paus ntawm corrosion kuj. |
| Nickel (Ni) | 8.0 - 10.5 | Stabilizes austenite; txhim kho toughness, formability thiab acid kuj. |
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.08 | Khaws qis kom txwv carbide nag lossis daus thiab intergranular corrosion. |
| Manganese (Mn) | Tsawg dua lossis sib npaug li 2.00 | Deoxidizer; txhim kho kev ua haujlwm kub thiab lub zog. |
| Silicon (Si) | Tsawg dua lossis sib npaug rau 0.75 (ASTM) / Tsawg dua lossis sib npaug rau 1.00 (JIS) | Txhim kho oxidation tsis kam thiab siab - qhov kub thiab txias. |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.045 | Tswj impurity; over ua rau embrittlement. |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.030 | Tswj impurity; cuam tshuam weldability thiab toughness. |
Khoom thiab Khoom noj khoom haus -Kev Ua Raws Cai
Nyob rau hauv cov xwm txheej annealed, 18-10 cov khoom (raws li SUS304/304) muaj lub zog tensile yam tsawg kawg nkaus ntawm 520 MPa, qhov tsawg kawg nkaus 0.2% yield zog ntawm 205 MPa thiab qhov tsawg kawg nkaus elongation ntawm 40% ib JIS G4303. Nws tsis yog{10}}sib nqus nyob rau hauv qhov mob annealed thiab pom tsuas yog me ntsis hlau nplaum tom qab hnyav ua haujlwm. Nws tsim tau yooj yim los ntawm kev kos duab sib sib zog nqus thiab tig - vim li cas nws ua rau cov khoom siv hauv chav ua noj ntau lawm - thiab welds yooj yim los ntawm TIG thiab MIG yam tsis muaj preheat. Nyob rau hauv qhuav- huab cua kev pab cuam 18-8 tsev neeg feem ntau yog ntsuas rau kev siv txuas ntxiv mus txog li 870℃rau oxidation tsis kam, txawm hais tias txhua yam muaj zog poob zoo ua ntej qhov kub thiab txias thiab 304H lossis qib 309/310 yuav tsum raug txiav txim siab rau kev pabcuam kub.
Rau kev sib cuag zaub mov, 18-10 cov khoom yog ib qho kev xaiv rau cookware thiab zaub mov- cov khoom siv, thiab nyob rau hauv Tuam Tshoj cov zaub mov kev sib cuag yog tswj hwm los ntawm GB 4806.9-2016, uas teev cov kev txwv kev tsiv teb tsaws rau cov khoom siv hlau siv hauv cov hlau. Ntxiv nrog rau kev ua raws qib, cov txheej txheem saum npoo yog qhov tseem ceeb: polished, passivated nto yog yooj yim dua los ntxuav thiab tsis tshua muaj crevice corrosion, thiab cov khoom yuav tsum tau ceev kom tsis txhob muaj cov hlau seem los ntawm fabrication.
18-10 vs 316L: Yam Koj Yuav Tsum Xaiv?
| Khoom | 18-10 (304 hauv paus) | 316L (UAS S31603) |
|---|---|---|
| Main alloying ntsiab | Cr ≈ 18%, Ni ≈ 10% | Cr 16-18%, Ni 10-14%, Mo 2-3% |
| Cov pa roj carbon | Tsawg dua lossis sib npaug li 0.08% | Tsawg dua lossis sib npaug li 0.030% |
| Molybdenum | Tsis muaj | 2.0 - 3.0% |
| General corrosion kuj | Zoo nyob rau hauv atmospheric, tshiab - dej thiab zaub mov | Zoo dua, tshwj xeeb tshaj yog tiv thaiv pitting |
| Chloride pitting kuj | Nruab nrab; tsis yog rau dej hiav txwv | Markedly zoo dua; haum rau cov tshuaj chloride- bearing media |
| Weld{0}}zone intergranular corrosion | Risk yog welded yam tsis muaj annealing; siv 304L rau hnyav vuam | Kev pheej hmoo tsawg vim yog 0.030% carbon max |
| Magnetism | Tsis yog-magnetic annealed; me ntsis tom qab ua haujlwm txias | Tsis yog-magnetic |
| Hom kev siv | Cookware, tableware, khoom noj khoom haus, architecture | Chemical, marine, tshuaj, zaub mov ua zaub mov |
Txoj cai ntawm tus ntiv tes xoo: 18-10 yog qhov kev xaiv zoo rau cov khoom noj khoom haus, kev ua haujlwm hauv tsev thiab vaj tsev; 316L raug xaiv thaum chlorides, acids lossis welded txheej txheem kev pabcuam xav tau ntau dua.
FAQ
18-10 stainless hlau txhais li cas?
Nws txhais tau hais tias kwv yees li 18% chromium thiab 10% npib tsib xee, muaj pes tsawg leeg ntawm siab -nickel kawg ntawm 304 austenitic tsev neeg.
Puas yog 18-10 zoo ib yam li 304?
Qhov tseem ceeb yog . 304 (UNS S30400) muaj nickel ntau ntawm 8.0-10.5%; 18-10 sib raug rau qib ntawd nrog npib tsib xee nyob ze rau sab saum toj ntawm qhov ntau.
Puas yog 18-10 muaj kev nyab xeeb rau kev sib cuag zaub mov?
Yog lawm, thiab hauv Suav teb ua raws li GB 4806.9-2016 yuav tsum tau lees paub rau cov khoom noj khoom haus sib cuag. Polished, passivated nto yog pom zoo rau kev nyiam huv.
Qhov txawv ntawm 18-10 thiab 18-8 yog dab tsi?
18-8 muaj li ntawm 8% npib tsib xee thiab sib raug rau qhov qis ntawm 304 npib tsib xee ntau; 18-10 muaj li ntawm 10% npib tsib xee. Cov ntsiab lus ntau dua nickel muab cov qauv austenitic ruaj khov dua thiab zoo dua corrosion kuj me ntsis.
Yog 18-10 magnetic?
Tsis yog. Nws yog austenitic thiab tsis yog -sib nqus nyob rau hauv cov mob annealed; me ntsis hlau nplaum tuaj yeem tshwm sim tom qab ua haujlwm txias.
Puas yog 18-10 stainless hlau xeb?
Hauv cov zaub mov ib txwm, atmospheric thiab tshiab - dej kev pabcuam nws tsis xeb. Hauv cov tshuaj chloride- nplua nuj ib puag ncig xws li dej hiav txwv lossis ntsev tsuag, nws tuaj yeem ua rau lub qhov, thiab rau cov xwm txheej 316L lossis siab dua - qib alloy yuav tsum raug xaiv.
Qhov sib npaug ntawm 18-10 yog dab tsi?
AISI / ASTM 304 (UNS S30400), SUS304 rau JIS G4303, 06Cr19Ni10 ib GB / T 3280, thiab 1.4301 (X5CrNi18-10) rau EN 10088-1.
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