1.4833 Stainless hlau yog dab tsi?
Mar 04, 2026
Tso lus
1.4833 stainless hlau, feem ntau hu ua 309S los yog UNS S30908, yog siab -alloy austenitic stainless hlau tsim los rau oxidation zoo heev thiab siab - kub zog. Nrog nws cov ntsiab lus siab chromium thiab npib tsib xee, nws yog qhov zoo - haum rau kev pabcuam txuas ntxiv ntawm qhov kub txog li 1050 degree, ua rau nws muaj kev ntseeg siab rau cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, thiab cov khoom siv cua sov.
Qhov siab - kub resistant qib no yog standardized nyob rau hauv loj thoob ntiaj teb systems.
| Txuj | Qib sib npaug |
|---|---|
| EN (Tebchaws Europe) | 1.4833 |
| ASTM / AISI (USA) | 309 S, UA 30908 |
| JIS (Nyiv) | SUS 309 S |
| KS (Korea) | STS 309 S |
Nws muaj pes tsawg leeg muab qhov sib npaug ntawm chromium thiab npib tsib xee rau kev ruaj ntseg ntawm qhov kub thiab txias.
| Lub ntsiab | C | Si | Mn | P | S | Cr | Ni |
|---|---|---|---|---|---|---|---|
| Cov ntsiab lus (%) | Tsawg dua los yog sib npaug li 0.08 | Tsawg dua los yog sib npaug rau 1.0 | Tsawg dua lossis sib npaug li 2.0 | Tsawg dua lossis sib npaug li 0.045 | Tsawg dua los yog sib npaug li 0.03 | 22.0 - 24.0 | 12.0 - 15.0 |
Nws tuav cov khoom zoo txhua yam thoob plaws qhov kub thiab txias.
| Khoom | Yield zog (Rp0.2) | Tensile zog (Rm) | Elongation (A) | Hardness (HB) |
|---|---|---|---|---|
| Tus nqi | Ntau dua lossis sib npaug li 205 MPa | 500 - 750 MPa | Ntau dua lossis sib npaug li 40% | Tsawg dua lossis sib npaug li 215 |
Cov yam ntxwv tseem ceeb thiab kev siv ntawm 1.4833 / 309S
Zoo heev High -Temperature Oxidation Resistance:Tsim cov txheej txheem chromium oxide ruaj khov uas tiv thaiv kev ntsuas thiab oxidation hauv kev pabcuam txuas mus txog 1050 degree.
Zoo Thermal Fatigue Resistance:Ua tau zoo nyob rau hauv cyclic cua sov thiab txias txias vim nws ruaj khov austenitic qauv.
Resistance rau Sulfur Atmospheres:Tuav tau zoo dua li ntau lwm cov hlau tsis huv hauv ib puag ncig uas muaj cov tshuaj sulfur.
Cov ntawv thov tseem ceeb:
Thaum tshav kub kub kho Furnaces:Radiant tubes, retorts, baskets, thiab furnace linings.
Kev ua tshuaj lom neeg:High -kub reactors, reactor tubes, thiab cov khoom siv pyrolysis.
Kev tsim hluav taws xob:Boiler Cheebtsam, superheaters, thiab cua sov rov qab units.
Vuam Filler Hlau:Feem ntau siv los ua ib qho overlay lossis muab tub lim rau koom nrog cov hlau tsis sib xws lossis rau cladding carbon steel.
309S (1.4833) piv rau 310S (1.4845) li cas hauv siab -kub siv?
Ob leeg yog qib siab - kub, tab sis 310S muaj ntau dua chromium thiab npib tsib xee (feem ntau 25% Cr, 20% Ni) piv rau 309S (23% Cr, 13% Ni). Qhov no muab 310S superior oxidation tsis kam thiab siab tshaj qhov kev pabcuam kub kub (1150℃vs . 1050℃). 309S feem ntau yog siv los ua tus nqi ntau dua- kev xaiv zoo rau cov mob hnyav me ntsis lossis qhov chaw thermal cycling yog qhov kev txhawj xeeb tseem ceeb.
Puas yog 309S stainless hlau haum rau vuam?
Yog lawm, 309S yog weldable heev siv cov tswv yim xws li TIG, MIG, thiab SMAW. Nws cov ntsiab lus carbon tsawg txo qis carbide nag lossis daus hauv tshav kub- cuam tshuam thaj chaw, txo qhov kev pheej hmoo ntawm intergranular corrosion. Nws feem ntau yog siv los ua cov khoom muab tub lim rau vuam sib txawv ntawm cov hlau sib txawv (piv txwv li, koom nrog cov hlau tsis muaj roj carbon steel) vim nws cov ntsiab lus siab alloy thiab zoo tawg tsis kam.
Nrhiav kev ntseeg siab ntawm 1.4833 / 309S Stainless hlau?
GNEE Steel muab cov khoom siv siab - kub qib 309S (1.4833) stainless hlau hauv phaj, ntawv, yeeb nkab, thiab bar cov ntaub ntawv, tsim nyog rau kev thov rau qhov cub thiab cov txheej txheem siv. Peb muab tag nrho cov ntaub ntawv traceability thiab ntawv pov thawj los xyuas kom meej kev ua tau zoo. Yog tias koj muaj kev xav tau, thov koj xav tiv tauj peb.
Xa kev nug