Tau 1.4301 stainless hlau thiab sts304 yuav siv sib pauv sib pauv?
Tso lus
1.4301 thiab STS304 stainless hlau hloov
1. Qib kev sib txig sib txig thiab cov qauv
1.4301 (En Cov Qauv, Tebchaws Europe)
Cov qhab nia sib npaug: ASTM 304 (Tebchaws Asmeskas, tsis tau zoo li S30400), GB 06Cr19NI10 (Suav, Txuj Ci).
Lub hom phiaj: En {10088-2 (rau cov phiaj, tuav, thiab lwm yam).
Muaj pes tsawg: C Tsawg dua lossis sib npaug ntawm {{{{{{{{}}}}}}}}} .5%, ni 8.0-10.5%.
Cov Khoom Siv: Austenitic stainless hlau nrog cov corrosion zoo heev thiab weldability, siv tau nyob rau hauv zaub mov Machinery, architecture kho kom zoo nkauj, thiab lwm yam.
Sts304 (KS Txheem, Kaus Lim Qab Teb)
Cov qhab nia sib npaug: Jis Sus304 (Nyiv), ASTM 304 (USA).
Lub hom phiaj: KS D 3503 (rau cov hlau nplaum stainless hlau, xov hlau).
Muaj pes tsawg: C Tsawg dua lossis sib npaug rau {{{{{{}}}}}}}}}}}}}}}}}
Cov Khoom Siv: Zoo sib xws li 1.4301, muaj ib nyuag qib siab dua qib siab dua rau qhov kev kub siab ntau dua.
2. 1.4301 Stainless Hlau Vs. Sts304 Kev sib txuas tshuaj lom neeg sib piv
| Lub ntsiab | 1.4301 (en 10088-2) | Sts304 (KS D 3503) |
|---|---|---|
| Carbon (c) | Tsawg dua los yog sib npaug rau 0. 07% | Tsawg dua los yog sib npaug rau 0. 08% |
| Chromium (cr) | 17.5–19.5% | 18.0–20.0% |
| Npib tsib caug (ni) | 8.0–10.5% | 8.0–10.5% |
| Silicon (si) | Tsawg dua los yog sib npaug rau 1. 0% | Tsawg dua los yog sib npaug rau 1. 0% |
| Phosphorus (p) / sulfur (s) | Tsawg dua los yog sib npaug rau {{{0}}}. 045% / tsawg dua los yog sib npaug 0.030% | Tsawg dua los yog sib npaug rau {{{0}}}. 045% / tsawg dua los yog sib npaug 0.030% |
3. 1.4301 Stainless Hlau Vs. Sts304 Cov Khoom Siv Neeg Kho & Ua Haujlwm
| Ntiag tug | 1.4301 | Ss304 |
|---|---|---|
| Lub zog tensile | 520-720 MPA | Ntau dua los yog sib npaug rau 520 mpa |
| Paib lub zog | Ntau dua los yog sib npaug rau 210 MPa | Ntau dua los yog sib npaug rau 205 MPa |
| Elongation | Ntau dua los yog sib npaug rau 45% | Ntau dua los yog sib npaug rau 40% |
| Ua haujlwm hnyav | Tsawg (kev teeb duab zoo sib sib zog nqus) | Tsawg (kev teeb duab zoo sib sib zog nqus) |
| Hwj txwv | Zoo heev, tsis muaj kev kho cua sov | Zoo, tab sis saib xyuas cov kev pheej hmoo corrosion |
4. 1.4301 Stainless hlau vs. Sts304 Corrosion Kuj & Cov Ntawv Qhia Kev Ua Yeeb Yam
| Huab cua | 1.4301 | Ss304 |
|---|---|---|
| Atmospheric / Dej | Zoo tshaj | Zoo tshaj |
| Me acid / alkali | Zoo (luv luv-tiv taus) | Zoo (luv luv-tiv taus) |
| High-Temperature Oxidation (>600 degree) | Tswj kav | Moderate kom me ntsis zoo dua |
| Intergranular corrosion | Tsawg (C tsawg dua lossis sib npaug rau 0. 07%) | Nruab Nrab (C tsawg dua lossis sib npaug rau 0. 08%) |
1.4301 Stainless hlau vs. Sts304: Cov xwm txheej sib txuas lus sib piv:
Sib pauv tau: Tsis-welded, chav tsev-kub (piv txwv li, archabitectural seem, cov khaub ncaws txias-tsim).
Tsis hloov pauv tau:
Welded qauv (zaub mov machinery, cov khoom siv tshuaj lom neeg).
High-temperature (>600 degree) lossis cov tshuaj oxidizing heev (piv txwv li, muaj cov roj sulfuric acid).
Export tej yaam num yuav tsum ua raws li en 10088-2}}} s d 3503.
5.Procuremary kev txiav txim siab qhov kev txiav txim siab
Kev Ua Si Tau Txais Yuav Tsum Tau Txais → Tshawb xyuas cov khoom siv tshuaj lom neeg → Soj ntsuam cov khoom lag luam →
Txuj Ci: Siv 1.4301 rau kev xa tawm mus rau Tebchaws Europe; Txais SS304 rau Kaus Lim Qab Teb.
Cov ntaub ntawv pov thawj ua tau zoo: Yuav tsum tau cov ntawv qhia txog tshuaj lom neeg (tshwj xeeb yog cov ntsiab lus (tshwj xeeb yog cov ntsiab lus) thiab cov ntaub ntawv tshuab kho tshuab los ntawm cov neeg xa khoom.
Xa khoom Xaiv Xaiv: Xav tau lwm tus neeg muab ntawv pov thawj rau ob qho tib si en 10088-2}} thiab ks d 3503 kom txo qis kev phom sij sib txawv.
Xaus: Thaum sib pauv?
| Yam tseem ceeb | Pom zoo Hloov Pauv | Tsis pom zoo |
|---|---|---|
| Tsis-Welded, Chav-Kub | Tau | Tsis muaj |
| En 10088-2 Ua Raws | Tsis muaj | Tau |
| KS D 3503 Ua Raws | Tau | Tsis muaj |
| Welded qauv | Tsis muaj | Tau |
| Kev Kub-Kub Oxidation | Tsis muaj | Tau |
