{"id":534,"date":"2024-12-12T20:09:03","date_gmt":"2024-12-12T17:09:03","guid":{"rendered":"https:\/\/www.defencemetal.com\/test2\/?page_id=534"},"modified":"2026-09-25T19:57:21","modified_gmt":"2026-09-25T16:57:21","slug":"aisi-f255","status":"publish","type":"page","link":"https:\/\/www.defencemetal.com\/index.php\/aisi-f255\/","title":{"rendered":"AISI F255 \/ (1.4507)"},"content":{"rendered":"

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AISI F255 \/ (1.4507) \/ UNS S32520<\/h1>\n
DEFENCE METAL<\/span><\/p>\n
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F255 (Ferralium 255)<\/div>\n
UNS S32550 \u00b7 W.Nr. 1.4507 \u00b7 ASTM A240’ta %24,0-27,0 Cr \u2013 %4,5-6,5 Ni \u2013 %2,90-3,90 Mo \u2013 %0,10-0,25 N \u2013 %1,50-2,50 Cu \u2013 C \u2264 %0,04 \u2013 kalan Fe. BAKIRI \u015eARTNAMEYLE BA\u011eLANMI\u015e TEK KAL\u0130TE BUDUR (%1,50-2,50); bak\u0131r PREN form\u00fcl\u00fcnde yer almaz ve PREN’i y\u00fckseltmez, etkisi indirgeyici ortam davran\u0131\u015f\u0131ndad\u0131r. Ferritik-ostenitik (s\u00fcper dupleks) paslanmaz \u00e7eliktir; \u00c7\u00d6KELME SERTLE\u015eMEZ, YA\u015eLANDIRILMAZ, tek \u0131s\u0131l i\u015flemi \u00e7\u00f6zelti tav\u0131 + su vermedir. ‘Ferralium 255’ bir T\u0130CAR\u0130 ADDIR; ‘F255’ ise ASTM s\u0131n\u0131f kodu DE\u011e\u0130LD\u0130R \u2014 ayr\u0131nt\u0131 ‘standart_notu’ alan\u0131ndad\u0131r.<\/p>\n
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Kar\u0131\u015ft\u0131r\u0131lmamas\u0131 gerekenler<\/div>\n

AISI F55<\/a><\/div>\n<\/div>\n<\/div>\n

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Ne i\u00e7in<\/div>\n
Klor\u00fcrl\u00fc ortam\u0131n yan\u0131nda indirgeyici asit de bulunan karma servis i\u00e7in al\u0131n\u0131r: k\u00fck\u00fcrtl\u00fc (sour) \u00fcretim ekipman\u0131, pompa ve valf g\u00f6vdesi, deniz suyu ve proses kar\u0131\u015f\u0131m\u0131n\u0131n birlikte bulundu\u011fu ekipman. Bak\u0131r katk\u0131s\u0131 bu kaliteyi di\u011fer s\u00fcper duplekslerden ay\u0131ran noktad\u0131r.<\/div>\n<\/div>\n
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Formlar<\/div>\n
Yuvarlak \u00e7ubuk \u00b7 Lama \u00b7 Levha \u00b7 Sac \u00b7 Boru \u00b7 D\u00f6vme. T\u00fcm formlar sipari\u015f bazl\u0131 temin edilmektedir.<\/div>\n<\/div>\n
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Standartlar<\/div>\n
AMS YOKTUR. ASTM: A182 \/ SA-182 \u2014 GRADE F61 (d\u00f6vme flan\u015f ve fitting) \u00b7 A240 \/ SA-240 (levha, sac, \u015ferit) \u00b7 A276 \/ SA-276 (\u00e7ubuk ve profil, Kondisyon A) \u00b7 A479 \/ SA-479 (\u00e7ubuk ve profil) \u00b7 A789 \/ SA-789 (tube) \u00b7 A790 \/ SA-790 (pipe) \u00b7 A815 \/ SA-815 (d\u00f6vme fitting). EN: 1.4507 \u00b7 10088-3. NORSOK MDS D54 ve MDS D57 \u00b7 NACE MR0175 \/ ISO 15156 \u00b7 API 6A \u00b7 ASME Code Case 1883 (Langley Alloys). ASME B\u00f6l\u00fcm IX kaynak grubu P-No 10H (Langley Alloys: ‘ASME IX: Group P10H’).
\u0130S\u0130MLEND\u0130RME TUZA\u011eI \u2014 EN \u00d6NEML\u0130 MADDE: ‘F255’ B\u0130R ASTM A182 SINIF KODU DE\u011e\u0130LD\u0130R. ASTM A182’nin dupleks s\u0131n\u0131f listesinin tamam\u0131 \u015fudur: F50 = S31200, F51 = S31803, F52 = S32950, F53 = S32750, F54 = S39274, F55 = S32760, F57 = S39277, F59 = S32520, F60 = S32205,\u2026<\/span><\/div>\n<\/div>\n
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Art\u0131s\u0131<\/div>\n
ASTM A240’ta \u00e7ekme dayan\u0131m\u0131 minimumu 760 MPa’d\u0131r ve bu, ayn\u0131 tablodaki S32760’\u0131n 750 MPa’s\u0131n\u0131n \u00fczerindedir; akma minimumu 550 MPa ile di\u011fer iki s\u00fcper duplekse e\u015fittir.<\/div>\n<\/div>\n
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Kaynak<\/div>\n
DOLGU METAL\u0130: AWS A5.4 E2553 (Langley Alloys, Ferralium 255 SD50 kaynak teli i\u00e7in ‘AWS 5.4 E2553-XX W39553’ verir). Ayn\u0131 kaynak dolgunun neden fazla ala\u015f\u0131ml\u0131 oldu\u011funu da yazar: ‘over-alloyed in nickel to ensure correct phase balance is maintained when welding with standard shielding and backing\u2026<\/div>\n<\/div>\n
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S\u0131n\u0131rlar\u0131<\/div>\n
SICAKLIK TAVANI yakla\u015f\u0131k 270-300 \u00b0C’dir; sebep 475 \u00b0C gevrekli\u011fidir. Industeel s\u00fcper dupleks i\u00e7in ‘-50 \u00b0C \/ +270 \u00b0C’ verir; IMOA’n\u0131n dupleks aile tavanlar\u0131 250-315 \u00b0C band\u0131ndad\u0131r. TEK SAYI YAZILMAMI\u015eTIR. \u0130K\u0130 YASAK BANT: (1) yakla\u015f\u0131k 600-1000 \u00b0C’de sigma ve ara faz \u00e7\u00f6kelmesi, (2) yakla\u015f\u0131k 300-525 \u00b0C’de 475 \u00b0C gevrekli\u011fi.<\/div>\n<\/div>\n
TEKL\u0130F \u0130STE<\/a>T\u00fcm paslanmaz \u00e7elikler →<\/a>TEKN\u0130K DETAYLAR ↓<\/span><\/div>\n
Veriler \u00fcretici veri sayfalar\u0131ndan derlenmi\u015ftir · sipari\u015f \u00f6ncesi g\u00fcncel \u015fartnameden teyit ediniz<\/div>\n<\/div>\n<\/div>\n

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