{"id":2953,"date":"2026-09-15T11:32:12","date_gmt":"2026-09-15T08:32:12","guid":{"rendered":"https:\/\/www.defencemetal.com\/index.php\/maraging-250\/"},"modified":"2026-09-25T16:30:46","modified_gmt":"2026-09-25T13:30:46","slug":"maraging-250","status":"publish","type":"page","link":"https:\/\/www.defencemetal.com\/index.php\/maraging-250\/","title":{"rendered":"Maraging 250"},"content":{"rendered":"

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Maraging 250 \/ (1.6359) \/ UNS K92890 \/ AMS 6512<\/h1>\n
DEFENCE METAL<\/span><\/p>\n
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Maraging 250<\/div>\n
UNS K92890 \u00b7 W.Nr. 1.6359 \u00b7 X2NiCoMo18-8-5 \u00b7 18Ni(250) \/ C250 \u00b7 BS S162 \u00b7 %17,0-19,0 Ni \u2013 %7,0-8,5 Co \u2013 %4,6-5,2 Mo \u2013 %0,30-0,50 Ti \u2013 %0,05-0,15 Al \u2013 C \u2264 %0,03<\/div>\n
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Kar\u0131\u015ft\u0131r\u0131lmamas\u0131 gerekenler<\/div>\n

Maraging 300<\/a><\/div>\n<\/div>\n

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Ne i\u00e7in<\/div>\n
Karbonsuza yak\u0131n demir-nikel martenzitik \u00e7\u00f6kelme sertle\u015fmeli \u00e7eliktir; sertle\u015fmesi karb\u00fcrle de\u011fil intermetalik \u00e7\u00f6keltiyle olur. \u00c7\u00f6zelti tavl\u0131 halde 28-34 HRC’dir ve bu halde bitmi\u015f \u00f6l\u00e7\u00fcye i\u015flenir, ard\u0131ndan 480 \u00b0C’de birka\u00e7 saatlik ya\u015fland\u0131rma ile 48 HRC \u00fczerine ve 1700 MPa \u00fczerinde akma dayan\u0131m\u0131na\u2026<\/div>\n<\/div>\n
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Formlar<\/div>\n
Yuvarlak \u00e7ubuk \u00b7 Lama \u00b7 Levha \u00b7 Sac \u00b7 Boru \u00b7 D\u00f6vme<\/div>\n<\/div>\n
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Standartlar<\/div>\n
AMS 6512<\/b> (\u00e7ubuk, d\u00f6vme, mekanik boru, halka, d\u00f6vme k\u00fct\u00fc\u011f\u00fc \u2014 sarf elektrot vakum ergitmeli, tavl\u0131) \u00b7 AMS 6520<\/b> (sac, \u015ferit, levha \u2014 sarf elektrot ergitmeli, \u00e7\u00f6zelti i\u015flemli) \u00b7 MIL-S-46850 (250 ksi s\u0131n\u0131f\u0131; \u00e7ubuk, levha, sac, \u015ferit, d\u00f6vme, ekstr\u00fczyon) \u00b7 ASTM A538 S\u0131n\u0131f B (MAR-18-250, bas\u0131n\u00e7l\u0131 kap levhas\u0131 \u2014 standart art\u0131k aktif de\u011fildir) \u00b7 W.Nr. 1.6359 \/ X2NiCoMo18-8-5 \u00b7 BS S162 \u00b7 DTD 5212
AMS numaralar\u0131 derece ile birlikte do\u011frulanm\u0131\u015ft\u0131r ve piyasada s\u0131k\u00e7a kar\u0131\u015ft\u0131r\u0131lmaktad\u0131r. SAE ba\u015fl\u0131k kay\u0131tlar\u0131ndaki nominal bile\u015fimler \u015funlard\u0131r: AMS 6512 = 18Ni-7,8Co-4,9Mo-0,40Ti (Maraging 250), AMS 6514 = 18,5Ni-9,0Co-4,9Mo-0,65Ti (Maraging 300), AMS 6515 =\u2026<\/span><\/div>\n<\/div>\n
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Art\u0131s\u0131<\/div>\n
Par\u00e7a yumu\u015fak halde bitmi\u015f \u00f6l\u00e7\u00fcye i\u015flenir, sonra sertle\u015ftirilir ve \u00f6l\u00e7\u00fcs\u00fc neredeyse de\u011fi\u015fmez. \u00c7\u00f6zelti tavl\u0131 durumda 28-35 HRC’dir ve bu halde tala\u015fl\u0131 i\u015flenir; 480-510 \u00b0C’de 3-6 saatlik ya\u015fland\u0131rma su verme olmadan sertli\u011fi 48-52 HRC band\u0131na \u00e7\u0131kar\u0131r.<\/div>\n<\/div>\n
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Kaynak<\/div>\n
Dolgu metali: ana metalle yakla\u015f\u0131k ayn\u0131 bile\u015fimde maraging teli kullan\u0131l\u0131r; Maraging 300 i\u00e7in do\u011frulanm\u0131\u015f AMS numaras\u0131 AMS 6463<\/b>‘t\u00fcr (18,5Ni-8,5Co-5,2Mo-0,72Ti-0,10Al, vakum ergitmeli).<\/div>\n<\/div>\n
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S\u0131n\u0131rlar\u0131<\/div>\n
Paslanmaz de\u011fildir. Kromsuzdur ve %3 NaCl’de pasif davran\u0131\u015f g\u00f6stermez; atmosferde ve deniz ortam\u0131nda karbon \u00e7eli\u011fi gibi paslan\u0131r, korunmas\u0131 gerekir (kadmiyum kaplama, fosfatlama, boya veya benzeri). Carpenter veri sayfalar\u0131 korozyon dayan\u0131m\u0131n\u0131 ‘Humidity Restricted’ (nem s\u0131n\u0131rl\u0131) olarak s\u0131n\u0131fland\u0131r\u0131r;<\/div>\n<\/div>\n
TEKL\u0130F \u0130STE<\/a>T\u00fcm ala\u015f\u0131ml\u0131 \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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