Duplex UNS S31803
Xogta Farsamada ee Duplex UNS S31803
Dulmar
Duplex waa austenitic ferritic Iron Chromium-Nickel alloy oo ay weheliso Molybdenim. Waxay leedahay iska caabin wanaagsan oo ay u leedahay godad, xoog adkaysi sare leh iyo iska caabin sare oo dillaaca daxalka culayska heerkulka dhexdhexaadka ah ilaa kan caadiga ah austenitic ahama.
Duplex waa shay leh qiyaas siman oo austenite iyo ferrite ah. Kuwani waxay isku daraan caabbinta daxalka oo aad u fiican oo leh xoog sare. Guryaha makaanikada waxay ku dhow yihiin labanlaab kuwa birta austenitic ee kelida ah iyo iska caabbinta daxalka walaaca ayaa ka sarreeya nooca 316 birta aan-ka-baxsan ee xalalka chloride. Walaxda laba-laabka ah waxay leedahay kala-guurka ductile / dillaacsan qiyaastii -50 ° C. Isticmaalka heerkulka sare waxaa badanaa lagu xaddidaa heerkulka ugu sarreeya ee 300 ° C si aan xad lahayn loo isticmaalo sababtoo ah qallafsanaan.
Faa'iidooyinka
Waxaa jira dhowr faa'iidooyin oo Duplex ah oo ay ku jiraan:
Xoog Sare
Iska caabbinta sare ee godad, caabbinta daxalka
U adkaysiga sare ee cadaadiska daxalka dillaaca, daalka iyo nabaad guurka
Iska caabin heer sare ah oo ka dhan ah chloride stress dildilaaca daxalka
Balaadhinta kulaylka hooseeya iyo kulaylka ka sarreeya birta Austenitic
Nuugista tamarta sare
Shaqo wanaag iyo weldability
Codsiyada
Dhuumaha - ASTM A790
Habka wax-soo-saarku wuxuu noqon karaa alxan la'aan ama si toos ah, iyada oo aan lagu darin biraha buuxinta. Dhuumaha waxaa laga yaabaa inay dhammaato kulayl ama qabow laakiin waa in had iyo jeer lagu qalabeeyaa xaalada kulaylka lagu daweeyey.
BUTT WELD - ASTM A815
Fasalkani wuxuu daboolayaa fasalka WP, oo ka kooban 4 qaybood oo buuxiya shuruudaha ANSI B16.9. Qiimaynta cadaadisku waa isla jaanqaadka tuubada iswaafajinta.
Qaybaha :-
WP-S : Dhismo aan kala go 'lahayn
WP-W : Dhismaha alxanka ah oo alxanka dhismaha lagu sawiro
WP-WX : Dhismaha alxanka ah oo dhammaan alxanka lagu sawiro
WP-WU : Dhismaha alxanka leh halkaas oo alxanka alxanka lagu tijaabiyo Ultrasonically.
Flanges ASTM A182
Tilmaamaha ASTM waxay nidaamiyaan alaabta ceeriin ee la ansixiyay ee laga samayn karo flanges. Been abuur ama duuban oo daawaha birta ah ee la jeexjeexay, qalabyo la been abuuray iyo alwaaxyada loogu talagalay codsiyada heerkulka sare.
Valves ASTM A890 Fasalka 5A
Qaabka caadiga ah ee jilitaanka, lron-Chromium-Nickel-Molybdenum Daxalka-
U adkaysta, Duplex (Austenitic/Ferritic) ee Codsiga Guud'
Faahfaahin Farsamo
QIIMAHA KAMIDKA (Dhammaan qiimayaasha waa ugu badnaan haddii aan si kale loo sheegin)
%C | %Cr | %In | %Mo | %Mn | %S | %P | %iyo | %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 |
HANTIDA MAKAANIGA AH
Xoogga Wax-soo-saarka | Xoogga Jilicsan | Kordhinta (ugu yar) | Dhimista aagga (ugu yar) | Adag (ugu badnaan)* |
Ksi/Mpa | Ksi/Mpa | BHN | ||
65/450 | 60/620 | 20 | 290 |
*(NACE MR-01-75 dib u eegistii ugu dambeysay waxay xadidi kartaa adkaanta codsiyada qaarkood)
Pren (PITTING RESISTANCE EQUIVALENT) - (% Cr) + (3.3 x %Mo) + (16 x %N)
DAAWAYNTA KUULKA: Xalka ayaa lagu tirtiray 1020 DEG C – 1100 DEG C Biyo-Qayb
FARSAMO U dhigma +
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 |
Waqtiga boostada: Agoosto-11-2022