{"id":499,"date":"2024-12-12T19:29:54","date_gmt":"2024-12-12T16:29:54","guid":{"rendered":"https:\/\/www.defencemetal.com\/test2\/?page_id=499"},"modified":"2026-09-25T19:57:01","modified_gmt":"2026-09-25T16:57:01","slug":"aisi-329","status":"publish","type":"page","link":"https:\/\/www.defencemetal.com\/index.php\/aisi-329\/","title":{"rendered":"AISI 329 \/ (1.4460)"},"content":{"rendered":"

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AISI 329 \/ (1.4460) \/ UNS S32900<\/h1>\n
DEFENCE METAL<\/span><\/p>\n
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AISI 329<\/div>\n
UNS S32900 \u00b7 W.Nr. 1.4460 \u00b7 ASTM A240 ve A789’da %23,0-28,0 Cr \u2013 %2,50-5,00 Ni \u2013 %1,00-2,00 Mo \u2013 C \u2264 %0,08 \u2013 Mn \u2264 %1,00 \u2013 Si \u2264 %0,75 \u2013 kalan Fe. AZOT \u015eARTNAMEDE YOKTUR: ASTM A789 S32900 sat\u0131r\u0131nda azot i\u00e7in \u00fc\u00e7 nokta koyar, yani ‘alt s\u0131n\u0131r yoktur, element analiz edilmek ve raporlanmak zorunda de\u011fildir’. BU, 329’U BE\u015e KAL\u0130TE \u0130\u00c7\u0130NDE AYIRAN TEK EN \u00d6NEML\u0130 NOKTADIR. Ferritik-ostenitik (dupleks) paslanmaz \u00e7eliktir ve B\u0130R\u0130NC\u0130 NES\u0130L dupleks s\u0131n\u0131f\u0131ndad\u0131r; molibdeni ve nikeli modern dupleks kalitelerin alt\u0131ndad\u0131r. \u00c7\u00d6KELME SERTLE\u015eMEZ, YA\u015eLANDIRILMAZ; tek \u0131s\u0131l i\u015flemi \u00e7\u00f6zelti tav\u0131 + h\u0131zl\u0131 so\u011futmad\u0131r.<\/p>\n
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Kar\u0131\u015ft\u0131r\u0131lmamas\u0131 gerekenler<\/div>\n

AISI 318<\/a><\/div>\n<\/div>\n<\/div>\n

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Ne i\u00e7in<\/div>\n
Eski nesil bir dupleks paslanmazd\u0131r ve bug\u00fcn yeni tasar\u0131mda modern dupleksin yerine de\u011fil, mevcut tesisteki e\u015fde\u011fer par\u00e7an\u0131n yenilenmesinde al\u0131n\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: A240 \/ SA-240 (levha, sac, \u015ferit) \u00b7 A789 \/ SA-789 (diki\u015fsiz ve diki\u015fli tube) \u00b7 A790 \/ SA-790 (diki\u015fsiz ve diki\u015fli pipe). EN: 1.4460. ASTM A276, A479, A182 VE A815’\u0130N KAPSAMINDA DE\u011e\u0130LD\u0130R \u2014 ayr\u0131nt\u0131 ‘standart_notu’ alan\u0131ndad\u0131r.
KAPSAM SINIRI, bu kalitenin en \u00e7ok g\u00f6zden ka\u00e7an yan\u0131d\u0131r: S32900, dupleks \u00e7ubuk ve d\u00f6vme taraf\u0131ndaki modern \u015fartnamelerin H\u0130\u00c7B\u0130R\u0130NDE yoktur.<\/span><\/div>\n<\/div>\n
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Art\u0131s\u0131<\/div>\n
ASTM A240’ta akma minimumu 485 MPa’d\u0131r ve bu, ayn\u0131 tablodaki S32205’in 450 MPa’s\u0131n\u0131n \u00dcZER\u0130NDED\u0130R. Yani 329, be\u015f kalite i\u00e7inde PREN’i en d\u00fc\u015f\u00fck olan olmas\u0131na ra\u011fmen akma dayan\u0131m\u0131 bak\u0131m\u0131ndan standart dupleks 2205’in gerisinde de\u011fildir.<\/div>\n<\/div>\n
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Kaynak<\/div>\n
KAYNAK KAB\u0130L\u0130YET\u0130 D\u00dc\u015e\u00dcKT\u00dcR ve bu, 329’un birinci nesil olmas\u0131n\u0131n do\u011frudan sonucudur. IMOA birinci nesil dupleksler i\u00e7in \u015funu yazar: ‘These first-generation duplex stainless steels provided good performance characteristics but had limitations in the as-welded condition’ ve sebebini a\u00e7\u0131k koyar: ‘The\u2026<\/div>\n<\/div>\n
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S\u0131n\u0131rlar\u0131<\/div>\n
KLOR\u00dcRL\u00dc VE DEN\u0130Z SUYU SERV\u0130S\u0130 \u0130\u00c7\u0130N DO\u011eRU SE\u00c7\u0130M DE\u011e\u0130LD\u0130R: PREN’i be\u015f kalite i\u00e7inde en d\u00fc\u015f\u00fckt\u00fcr (bile\u015fim band\u0131ndan hesap 26,3-34,6; IMOA tipik 30-31) \u00e7\u00fcnk\u00fc azot terimi yoktur. Ayn\u0131 i\u015fte S32205 (taban 34,1) veya s\u00fcper dupleks kaliteler ayr\u0131 de\u011ferlendirilir.<\/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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