Duplex UNS S31803
Duplex UNS S31803 Technical Information
Overview
Duplex ndeye austenitic ferritic Iron Chromium-Nickel alloy ine Molybdenim yekuwedzera. Iine kumira zvakanaka kugomba, simba rakanyanya kusimba uye kuramba kwakanyanya kushushikana nekupwanya kwekupwanya patembiricha iri pakati nepakati kusvika kune yakajairwa austenitic simbi isina tsvina.
Duplex chinhu chine chiyero chakaenzana cheaustenite uye ferrite. Izvi zvinosanganisa zvakanakisa corrosion resistance nesimba guru. Mechanical zvivakwa zvingangoita zvakapetwa kaviri izvo zveumwechete austenitic simbi uye kuramba kushushikana kukoromoka kwekupwanya kwakakwirira kupfuura mhando 316 Stainless simbi mune chloride mhinduro. Duplex zvinhu zvine ductile / brittle shanduko inosvika -50 ° C. Kushandiswa kwekushisa kwepamusoro kunowanzovharwa kusvika kuhuwandu hwekushisa kwe300 ° C kwekushandisa kusingagumi nekuda kwekuputira.
Benefits
Kune akati wandei mabhenefiti eDuplex anosanganisira:
High Strength
Kunyanya kupikisa kugomba, crevice corrosion resistance
Kunyanya kupikisa kushungurudza corrosion kuputika, kuneta uye kuputika
Yakanakisa kuramba kune Chloride stress corrosion kupaza
Kuwedzera kwekushisa kwepasi uye kupisa kwepamusoro conductivity kupfuura Austenitic steels
High simba kutorwa
Kushanda kwakanaka uye weldability
Applications
Pipe – ASTM A790
Iyo nzira yekugadzira inogona kunge isina musono kana otomatiki welding, pasina kuwedzera kwesimbi yekuzadza. Pombi inogona kunge ichipisa kana kutonhora yakapera asi inofanirwa kugara ichiiswa mumamiriro ekupisa.
BUTT WELD - ASTM A815
Iyi kirasi inovhara kirasi yeWP, inoumbwa nezvikamu zvina uye inosangana nezvinodiwa zve ANSI B16.9. Kutsikirira kuyerwa kwakafanana kuenderana kwekufananidza pombi.
Categories :-
WP-S: Kuvaka Kusina Musono
WP-W: Welded Kuvaka uko kuvakwa welds kunodhindwa radiograph
WP-WX: Welded Kuvaka uko ese welds akadhindwa radiograph
WP-WU: Welded Kuvaka uko al welds ari Ultrasonically Kuedzwa.
Flanges ASTM A182
Kutemerwa kweASTM kunodzora zvinhu zvakabvumidzwa kubva pakugadzira maflange. Forged kana akakungurutswa alloy simbi pombi flanges, forged fittings uye mavharuvhu nokuda yakakwirira tembiricha zvikumbiro.
Mavharuvhu ASTM A890 Giredhi 5A
Yakajairwa Kurongeka kweCastings, lron-Chromium-Nickel-Molybdenum Corrosion-
Inopikisa, Duplex (Austenitic/Ferritic) yeGeneral Application'
Technical Details
CHEMICAL COMPOSITION (Zvese hunhu hwakanyanya kunze kwekunge zvataurwa neimwe nzira)
| %C | %Cr | %In | %Mo | %Mn | %S | %P | %Uye | %N |
| 0.03 | 21.0-23.0 | 4.5-6.5 | 2.5-3.5 | 2.00 | 0.02 | 0.03 | 1.00 | 0.08-0.2 |
MACHHANICAL PROPERTIES
| Goho Simba | Tensile Simba | Elongation (Minimum) | Kuderedzwa kweNzvimbo (Zvishoma) | Kuoma (Kunyanya)* |
| Ksi/Mpa | Ksi/Mpa | BHN | ||
| 65/450 | 60/620 | 20 | 290 |
*(NACE MR-01-75 yazvino kudzokorora inogona kudzikisira kuomarara mune mamwe maapplication)
PREn (PITTING RESISTANCE EQUIVALENT) – (%Cr) + (3.3 x %Mo) + (16 x %N)
KUSVIRA KUNYANYA: SOLUTION ANNEALED AT 1020 DEG C - 1100 DEG C QUENCH MVURA
AMAGREDE AKAEQUIVALENT +
| US | BS EN | SWEDEN SS | GERMANY DIN | FRANCE AFNOR | SANDVIK |
| 31803 | 1.4462 | 2377 | X2 CrNiMoN 22.5.3 | Z2 CND 22.05.03 | SAF 2205 |
Nguva yekutumira: Aug-11-2022