1.4304 vs. 1.4462 Stainless hlau Stainless: Tshuaj lom neeg muaj pes tsawg leeg
May 06, 2025
Tso lus
1.4301 vs.1.4462 stainless hlau: Dab tsi yog qhov sib txawv?
1.4301 stainless hlau(tseem hu ua AISI 304) thiab1.4462 stainless hlau(tseem hu ua Duplex 2205) yog ob qho nrov ntawm cov hom qauv hlau, tab sis lawv pab ntau lub hom phiaj. Nkag siab txog lawv cov kev sib txawv pab cov engineers, ntaub, thiab cov kws tshaj lij xaiv cov khoom siv rau cov ntawv thov tshwj xeeb.
1.4301 vs. 1.4462 stainless hlau sib luag cov ntaub ntawv
| Txheem | 1.4301 stainless hlau | 1.4462 stainless hlau |
|---|---|---|
| En (Tebchaws Europe) | En 1.4301 | EN 1.4462 |
| Din (Lub teb chaws Yelemees) | X5crni 18-10 | X2cnimon 22-5-3 |
| AISI \/ ASTM (USA) | AISI 304 | AISI 2205 (UNRTAL S31803 \/ S32205) |
| JIS (Nyiv) | Sus304 | Sus329j3l lossis sus329j4l (kwv yees qib) |
| GB (Suav Teb) | 0 6Cr19NI10 (yav tas los 0cr18ni9) | {{0 {0}} cr22ni5mo3n lossis 0222cr22ni5mo3n |
| ISO | 1.4301 | 1.4462 |
1.4304 vs. 1.4462 Stainless hlau Stainless: Tshuaj lom neeg muaj pes tsawg leeg
| Lub ntsiab | 1.4301 (AISI 304) | 1.4462 (Duplex 2205) | Hloov |
|---|---|---|---|
| Chromium (cr) | 17.5–19.5% | 21.0–23.0% | Cov CR rau hauv 1.4462 txhim kho corrosion tsis kam. |
| Npib tsib caug (ni) | 8.0–10.5% | 4.5–6.5% | 1.4462 siv tsawg dua ni, txo tus nqi. |
| Molybdenum (mo) | – | 2.5–3.5% | Tam sim no nyob rau hauv 1.4462 rau qhov zoo dua pitting kuj. |
| Nitrogen (n) | – | 0.10–0.22% | Boosts muaj zog thiab cov cheeb tsam corrosion tsis kam hauv 1.4462. |
| Carbon (c) | Tsawg dua los yog sib npaug rau 0. 07% | Tsawg dua li lossis sib npaug rau 0. 03% | Tsawg dua cov pa roj hauv 1.4462 txo cov kev pheej hmoo corrosion. |
1.4304 vs. 1.4462 Stainless hlau: Cov Khoom Siv Neeg Kho Tshuab
| Ntiag tug | 1.4301 (304) | 1.4462 (2205) | Piv tau |
|---|---|---|---|
| Lub zog tensile | Ntau dua los yog sib npaug rau 500 MPa | Ntau dua los yog sib npaug rau 620 mpa | 1.4462 yog muaj zog heev. |
| Paib lub zog | Ntau dua los yog sib npaug rau 210 MPa | Ntau dua los yog sib npaug rau 450 MPa | Qib DuPlex yuav luag ob npaug 304 lub zog zog. |
| Elongation | Ntau dua los yog sib npaug rau 45% | Ntau dua los yog sib npaug rau 25% | 1.4301 yog ntau dua coo. |
| Hardness (HBW) | Tsawg dua los yog sib npaug rau 215 | Tsawg dua los yog sib npaug rau 290 | 1.4462 yog qhov nyuaj, ntau cov hnav-resistant. |
1.4304 vs. 1.4462 Stainless hlau Stainless: Corrosion Kuj
1.4301 (304) muaj cov ntawv thov kev tsim txiaj zoo hauv cov ntawv thov-lub hom phiaj, tab sis nws yog qhov yooj yim rau chloride-ntxias kev tawg.
1.4462 (2205) muaj cov tshuaj tiv thaiv corrosion tsis kam, tshwj xeeb tshaj yog hauv chloride-nplua nuj, marine, thiab kev ua haujlwm ua haujlwm. Nws yog qhov zoo tagnrho rau kev tiv thaiv pitting, corrosion corrosion, thiab scc (kev nyuaj siab corrosion tawg).
1.4304 thiab 1.4462 stainless hlau: kev siv
| 1.4301 (AISI 304) | 1.4462 (Duplex 2205) |
|---|---|
| Cov khoom siv hauv chav ua noj, tog, tso tsheb hlau luam | Desalination Nroj Tsuag, Cov Hlab Hlawv Siab |
| Cov Kws Tsim Kho Vajtsej Txiav thiab Panels | Tshuaj Lom Neeg Tso Tsheb Hlau Luam |
| Kev siv cov khoom noj ua haus ua tshuab | Offshore platforms |
| TSIM NYOG INDOOR Cov Txheej Txheem | Cov Hluav Taws Xob Tshav Kub Kub, Pulp & Cov Ntawv Tshuab |
5. Qhov twg xaiv?
| Xaiv 1.4301 yog tias ... | Xaiv 1.4462 yog tias ... |
|---|---|
| Koj yuav tsum muaj cov kev tsim kho zoo thiab weldability | Koj xav tau lub zog siab thiab zoo dua corrosion tsis kam |
| Koj daim ntawv thov tsis yog-tseem ceeb lossis sab hauv tsev | Koj nyob nraum ua haujlwm hauv marine, tshuaj lom neeg, lossis ib puag ncig siab |
| Pob nyiaj siv yog qhov kev txhawj xeeb tseem ceeb | Durability thiab lub neej ua tau teeb meem ntau dua |
