Hauv kev lag luam niaj hnub no, xaiv qhov tseeb ntawm cov yeeb nkab steel hlau yog qhov tseem ceeb kom ntseeg tau tias muaj zog, tiv thaiv corrosion thiab kev nyab xeeb. S30408 stainless steel yeeb nkab yog cov khoom siv dav siv hauv cov khoom siv tshuaj, khoom noj, tshuaj thiab kev lag luam marine vim nws cov khoom siv zoo tshaj plaws thiab zoo heev corrosion kuj.
Cov lus qhia no yuav pab koj nkag siab tias S30408 yog dab tsi, nws cov kev qhia tshwj xeeb, kev siv, thiab vim li cas nws yog qhov kev xaiv zoo rau koj cov haujlwm.
S30408 stainless hlau yeeb nkab yog dab tsi?
S30408 yog UNS tsim rau 1.4301/304 stainless hlau tubing, feem ntau siv rau hauv kev lag luam piping systems. Nws yog ib qho austenitic stainless hlau uas nthuav tawm zoo heev corrosion kuj thiab txhua yam khoom nyob rau hauv ntau qhov chaw. Nws tuav nws cov txheej txheem kev ncaj ncees ntawm qhov kub txog li 870 degrees (1598 degrees F) thiab tuaj yeem ua tau yooj yim welded siv cov txheej txheem vuam txheej txheem, ua rau nws tsim nyog rau cov kav kav dej.
Dab tsi ASTM cov khoom yog S30408 sib npaug?
S30408 yog qhov tseem ceeb sib npaug rau qib 304 (lossis AISI 304) ntawm ASTM A240 / A240M. Nws yog lub npe rau 304 stainless hlau nyob rau hauv Suav tus qauv (GB / T 20878), muaj yuav luag zoo tib yam tshuaj muaj pes tsawg leeg thiab txhua yam khoom, xws li zoo heev corrosion kuj, siab zog thiab zoo weldability.
Tshuaj muaj pes tsawg leeg
|
Element |
Cov ntsiab lus (%) |
|---|---|
|
Cov pa roj carbon (C) |
Tsawg dua lossis sib npaug li 0.07 |
|
Manganese (Mn) |
Tsawg dua lossis sib npaug li 2.0 |
|
Silicon (Yog) |
Tsawg dua los yog sib npaug rau 1.0 |
|
Chromium (Cr) |
17.0-19.5 Nws |
|
Nickel (Ni) |
8.0-10.5 Nws |
|
Phosphorus (P) |
Tsawg dua lossis sib npaug li 0.045 |
|
Sulfur (S) |
Tsawg dua los yog sib npaug li 0.03 |
|
Nitrogen (N) |
Tsawg dua lossis sib npaug li 0.11 |
Mechanical Properties
|
Khoom |
Tus nqi |
|---|---|
|
Tensile zog |
500-700MPa |
|
Elastic txwv |
205 MPa |
|
Elongation |
Ntau dua lossis sib npaug li 40% |
|
Hardness |
70-95 IB |
|
Qhov ntom |
7.93 g/m² |
|
Qhov Kev Pab Cuam Siab Tshaj Plaws |
870 degrees |
Muaj Qhov Loj
|
Sab nraud Diameter (OD) |
Phab ntsa Thickness |
Ntev |
|---|---|---|
|
6mm-500mm |
0.5 hli-25mm |
6 m / kev cai |
Corrosion kuj ntawm S30408 stainless hlau
S30408 steel yog ib hom stainless hlau uas belongs rau 300 series. Nws muaj kev tiv thaiv corrosion zoo heev vim nws cov ntsiab lus chromium siab, ua rau nws zoo tagnrho rau cov ntawv thov xws li cov khoom siv tsheb, cov dab dej hauv chav ua noj, thiab cov pa tawm.
Ductility ntawm cov khoom S30408
S30408 (304 stainless hlau) nthuav tawm cov ductility siab, nrog cov elongation tus nqi ntawm 60-70% nyob rau hauv lub xeev annealed ua ntej tawg, cia nws yooj yim tsim thiab khoov yam tsis muaj kev tawg. Qhov siab ductility no yog tus yam ntxwv tseem ceeb ntawm no austenitic stainless hlau, ua rau nws tsim nyog rau cov ntawv thov uas yuav tsum tau muaj qhov cuam tshuam loj heev thaum tsim khoom.
Dab tsi yog qhov ntom ntawm S30408 stainless hlau?
Qhov ntom ntawm S30408 stainless hlau (Hom 304) yog kwv yees li 7.93 g / cm³ lossis 7930 kg / m³. Qhov ceev no tseem tuaj yeem qhia tau tias kwv yees li 0.286 lb / in³ lossis 490 lb / ft³.
Daim ntawv thov ntawm S30408 Stainless hlau yeeb nkab
Kev lag luam tshuaj:Qhov zoo tshaj plaws rau cov kav dej uas siv cov kua qaub, alkalis thiab lwm yam corrosive kua.
Khoom noj khoom haus thiab dej haus kev lag luam:Haum rau cov kav dej huv hauv cov khoom noj siv mis, brewery thiab dej haus ntau lawm.
Pharmaceutical Industry:Ua raws li cov qauv kev huv rau kev hloov cov kua hauv cov kab ntau lawm.
Marine thiab Offshore:Corrosion resistant nyob rau hauv dej ntsev ib puag ncig.
Kev tsim kho thiab HVAC:Feem ntau siv rau dej, roj thiab cua tshuab.
Yog tias koj muaj qhov yuav tsum tau ua rau 304 stainless hlau kav, txais tos muab koj xaj.GNEEmuaj cov khoom muag loj ntawm cov khoom muag zoo tshaj plaws rau koj xaiv los ntawm. Muaj nyob rau hauv ob qho tib si seamless thiab welded duab. Rau cov ncauj lus kom ntxaws tshuaj muaj pes tsawg leeg thiab kuaj dawb, thov hu rau peb lub Hoobkas tam sim ntawd. Peb muab cov nqi sib tw thiab kev pabcuam zoo heev.
Ntim:Packed nrog waterproof ntawv thiab steel strapping, ua tau raws li tus qauv hiav txwv export ntim yuav tsum, haum rau ntau yam kev thauj mus los, los yog customized raws li cov neeg xav tau kev pab.
Lub sij hawm xa tuaj:Cov khoom lag luam xa tawm tam sim, cov khoom lag luam muaj lub sijhawm xa khoom ntawm 15-30 hnub.
Kev Pab Cuam Ntxiv: Ua ntej-kev kho mob, txiav qhov chaw, kev tshuaj ntsuam xyuas thib peb, cov qauv kev pabcuam, kuaj ultrasonic thiab kuaj qhov ntev.
304 stainless hlau raj
Cov lus nug uas nquag nug
Puas yog S30408 tsim nyog rau kev siv dej hiav txwv?
Yog lawm, S30408 stainless steel kav muaj qhov zoo corrosion kuj nyob rau hauv ib puag ncig uas tsis muaj cov tshuaj chloride, tab sis rau cov dej qab ntsev heev los yog cov dej hiav txwv hnyav, S31603/316L tau pom zoo.
S30408 cov kav dej puas tuaj yeem welded?
Tau kawg. Cov txheej txheem vuam txheej txheem xws li TIG, MIG thiab arc vuam tuaj yeem siv yam tsis tas yuav tsum tau kho ua ntej. Post-weld annealing yog xaiv tau rau cov ntawv thov tseem ceeb.
Qhov txawv ntawm S30408 thiab S30403 yog dab tsi?
S30403 yog cov pa roj carbon tsawg (zoo ib yam li 304L), tsim los txo qis carbide nag lossis daus thaum vuam. S30408 muaj cov ntsiab lus carbon thiab tsim nyog rau kev siv cov kav dej dav dav.
Cov kev cai loj tuaj yeem ua tau?
Yog lawm, cov tuam txhab xws li Gnee Stainless Steel muab kev cai diameters, phab ntsa thicknesses thiab ntev, nrog rau kev ua haujlwm xws li txiav, khoov thiab polishing.
