1.4301 vs. 1.4539 Stainless Hlau: Dab tsi yog qhov sib txawv?
Tso lus
1.4301 vs. 1.4539 Stainless Hlau: Dab tsi yog qhov sib txawv?
Thaum xaiv cov hlau tsis xeb rau cov neeg thov ib puag ncig, nkag siab txog qhov sib txawv ntawm1.4301 (AISI 304)thiab1.4539 (AISI 904L)yog qhov tseem ceeb. Ob qho tib si yog Antenenitic Stainless hlau, tab sis lawv txawv nyob rau hauv cov tshuaj muaj tshuaj, corrosion tsis kam, thiab cov ntawv thov raug. Ntawm no yog cov ncauj lus piav qhia:
Dab tsi yog tus qauv sib npaug ntawm 1.4539 stainless hlau?
| Ntiag tug | 1.4301 (AISI 304) | 1.4539 (AISI 904L) |
|---|---|---|
| Lub Npe | 304 Stainless Hlau | 904L Stainless Hlau |
| Khoom txheem | En 1.4301 | En 1.4539 |
| Tus lej tsis yog | Uns uns200 | Unrical n08904 |
| Tus qauv hom | AUSTENITIC | Austenitic (High-alloy) |
1.4304 vs. 1.4539 Stainless Hlau: Tshuaj lom neeg muaj pes tsawg leeg
| Lub ntsiab | 1.4301 (WT%) | 1.4539 (wt%) |
|---|---|---|
| Carbon (c) | Tsawg dua los yog sib npaug rau 0. 07 | Tsawg dua los yog sib npaug rau 0. 02 |
| Yeebsab | 17.5–19.5 | 19.0–23.0 |
| Tus menyuam yaus | 8.0–10.5 | 23.0–28.0 |
| Molybdenum | - | 4.0–5.0 |
| Tooj liab | - | 1.0–2.0 |
| Nitrogen | - | Tsawg dua los yog sib npaug rau 0. 10 |
Qhov sib txawv: 1.4539 muaj ntau ntau ntawm npib tsib xee thiab molybdenum, ua rau nws tiv taus chloride thiab acid nres piv rau 1.4301.
1.4304 vs. 1.4539 Stainless Hlau: Cov Khoom Siv Neeg Kho Tshuab
| Ntiag tug | 1.4301 | 1.4539 |
|---|---|---|
| Lub zog tensile | Ntau dua los yog sib npaug rau 500 MPa | Ntau dua los yog sib npaug rau 530 MPa |
| Tos lub zog (rp 0. 2) | Ntau dua los yog sib npaug rau 210 MPa | Ntau dua los yog sib npaug rau 220 mpa |
| Elongation (%) | Ntau dua los yog sib npaug rau 45% | Ntau dua los yog sib npaug rau 35% |
| Hardness (HB) | Tsawg dua los yog sib npaug rau 215 | Tsawg dua los yog sib npaug rau 220 |
Ceeb toom: Thaum lub zog zoo sib xws,1.4539 tau muaj qhov zoo dua rau kev ntxhov siab corrosion, tshwj xeeb tshaj yog nyob rau hauv chloride-nplua nuj thiab acidic ib puag ncig.
1.4304 thiab 1.4539 stainless hlau: corrosion tsis kam
1.4301 (304): Zoo tsis kam mus rau oxidation thiab dav corrosion, tab sis raug rau pitting thiab crevice corrosion hauv chloride ib puag ncig (piv txwv li seawater).
1.4539 (904L): Zoo heev tiv taus cov sulfuric acid, chlorides, thiab ib puag ncig tej chaw txom nyem; Qhov zoo tagnrho rau kev ua yeeb yam, cov tubrog nkoj, thiab cov ntaub ntawv thov tshuaj.
1.4304 vs. 1.4539 Stainless Hlau: Kev Siv
| 1.4301 (304) | 1.4539 (904L) |
|---|---|
| Khoom Siv Hauv Chav Ua Noj | Tshuaj Nroj Tsuag Tshuaj Nroj Tsuag |
| Khoom Noj & Dej Haus | Flue Roj Desulfurization Tshuab |
| Cov Kws Ua Haujlwm Architecture & | Dej hiav txwv cua txias tshuab |
| General Stainless Hlau Tubing | Pulp thiab Daim Ntawv Kev Lag Luam |
| Me-sab hauv chaw ib puag ncig | Roj & Roj offshore platform |
1.4301 vs. 1.4539 Stainless Hlau: Nqe?
1.4301yog ntau duaNqi-ZooVim tias cov ntsiab lus sab nrauv.
1.4539yog aCov Khoom Siv Uas MuajVim tias lub nroog npib siab, Molybdenum, thiab tooj liab cov ntsiab lus zoo dua, tab sis ntawm tus nqi siab dua.
Uas xaiv?
| Qhov toob kas | Pom tias qib |
|---|---|
| Kev Siv Kev Siv \/ Cov Nqi Tsawg Tus Nqi | 1.4301 (304) |
| High corrosion \/ Tshuaj Tshuaj Kuj | 1.4539 (904L) |
| Marine \/ txhoj puab acid ib puag ncig | 1.4539 (904L) |
| Cov chaw me me ib puag ncig lossis kev siv zoo nkauj | 1.4301 (304) |
