{"id":21411,"date":"2026-01-24T22:44:16","date_gmt":"2026-01-24T14:44:16","guid":{"rendered":"https:\/\/viox.com\/?p=21411"},"modified":"2026-01-24T22:46:38","modified_gmt":"2026-01-24T14:46:38","slug":"from-c1-c5-and-cx-the-corrosion-resistance-grade-and-design-lifespan-of-metal-parts","status":"publish","type":"post","link":"https:\/\/test.viox.com\/tr\/from-c1-c5-and-cx-the-corrosion-resistance-grade-and-design-lifespan-of-metal-parts\/","title":{"rendered":"C1-C5 ve CX'ten: Metal Par\u00e7alar\u0131n Korozyon Direnci S\u0131n\u0131f\u0131 ve Tasar\u0131m \u00d6mr\u00fc"},"content":{"rendered":"
\n
\"Close
\u015eekil 1: \u00c7evresel stresin etkisi \u2014 C4 k\u0131y\u0131 b\u00f6lgesinde 3-4 y\u0131l sonra kaplama ar\u0131zas\u0131 g\u00f6steren pasl\u0131 bir elektrik panosu.<\/figcaption><\/figure>\n

Giri\u015f<\/h2>\n

Elektrik sistemlerindeki metal bile\u015fenler ku\u015fatma alt\u0131ndad\u0131r. Nem i\u00e7eri s\u0131zar. Tuz spreyi a\u015f\u0131nd\u0131r\u0131r. End\u00fcstriyel atmosferler bozulmay\u0131 h\u0131zland\u0131r\u0131r. Uygun koruma olmadan, korozyon g\u00fcvenilir ekipman\u0131 maliyetli ar\u0131zalara d\u00f6n\u00fc\u015ft\u00fcr\u00fcr. \u0130\u015fte ISO 12944'\u00fcn devreye girdi\u011fi yer buras\u0131d\u0131r\u2014\u00e7evresel \u015fiddeti koruyucu kaplama sistemleri i\u00e7in eyleme ge\u00e7irilebilir tasar\u0131m kararlar\u0131na d\u00f6n\u00fc\u015ft\u00fcren k\u00fcresel standart.<\/p>\n

ISO 12944 iki eksende \u00e7al\u0131\u015f\u0131r. Birincisi, ortam\u0131n\u0131z\u0131n ger\u00e7ekte ne kadar agresif oldu\u011funu tan\u0131mlar\u2014iklim kontroll\u00fc ofislerden (C1) a\u015f\u0131r\u0131 a\u00e7\u0131k deniz platformlar\u0131na (CX) kadar. \u0130kincisi, bak\u0131m zaman \u00e7izelgenizi belirler: her 7 y\u0131lda bir ucuz r\u00f6tu\u015flardan 25+ y\u0131l dayanan sa\u011flam sistemlere kadar. Bu \u00e7er\u00e7eveyi anlamak, \u015fartname haz\u0131rlayan m\u00fchendisler i\u00e7in \u00f6nemlidir. \u00e7elik yap\u0131lar, elektrik panosu g\u00f6vdeleri ve yap\u0131sal destek sistemleri<\/strong>. Do\u011frudan tedariki, bak\u0131m b\u00fct\u00e7elerini ve ekipman \u00f6mr\u00fcn\u00fc \u015fekillendirir.<\/p>\n

Bu k\u0131lavuz, ISO 12944'\u00fc pratik bir dile \u00e7evirir ve standard\u0131 ger\u00e7ek end\u00fcstriyel uygulamalara ba\u011flar.<\/p>\n

\"Technical
\u015eekil 2: ISO 12944 Se\u00e7im Matrisi \u2014 Koroziflik Kategorilerini (Dikey) Dayan\u0131kl\u0131l\u0131k Beklentileriyle (Yatay) \u0130li\u015fkilendirme.<\/figcaption><\/figure>\n
\n

ISO 12944 Nedir?<\/h2>\n

ISO 12944, a\u015fa\u011f\u0131dakiler i\u00e7in uluslararas\u0131 standartt\u0131r: koruyucu boya sistemleri ile \u00e7elik yap\u0131lar\u0131n korozyondan korunmas\u0131<\/strong>. \u00d6zellikle a\u015fa\u011f\u0131dakilere uygulan\u0131r: atmosferik ortamlara maruz kalan yap\u0131sal \u00e7elik bile\u015fenler ve \u00e7elik elektrik panosu g\u00f6vdeleri<\/strong> . \u0130lk olarak 1998'de yay\u0131nlanan bu standart, kaplama sistemlerini belirtmek i\u00e7in k\u00fcresel olarak tan\u0131nan bir k\u0131stas haline geldi. Mevcut standart olan 2018 revizyonu, CX (a\u015f\u0131r\u0131) kategorisini tan\u0131tt\u0131 ve a\u00e7\u0131k deniz r\u00fczgar\u0131, k\u0131y\u0131daki g\u00fcne\u015f enerjisi kurulumlar\u0131 ve agresif tropikal ortamlar gibi modern end\u00fcstriyel zorluklar\u0131 ele almak i\u00e7in dayan\u0131kl\u0131l\u0131k se\u00e7eneklerini geni\u015fletti.<\/p>\n

\u00d6nemli Kapsam A\u00e7\u0131klamas\u0131:<\/strong> ISO 12944, muhafazalar\u0131n i\u00e7indeki terminal bloklar\u0131, MCB'ler, kontakt\u00f6rler veya di\u011fer iletken par\u00e7alar gibi tek tek elektrik bile\u015fenlerine UYGULANMAZ. Bu bile\u015fenler ayr\u0131 korozyon koruma stratejileri gerektirir (a\u015fa\u011f\u0131daki \u201cUygulama S\u0131n\u0131rlar\u0131\u201d b\u00f6l\u00fcm\u00fcne bak\u0131n). Standart, yaln\u0131zca yap\u0131lar\u0131n ve muhafaza g\u00f6vdelerinin boyal\u0131\/kaplamal\u0131 \u00e7elik y\u00fczeylerine odaklan\u0131r.<\/p>\n

Standard\u0131n g\u00fcc\u00fc basitli\u011finde yatmaktad\u0131r: tahmin yok. \u201c\u0130yi boya\u201d veya \u201cdeniz s\u0131n\u0131f\u0131\u201d gibi belirsiz gereksinimler \u00fczerinde tart\u0131\u015fmak yerine, ISO 12944 kesin \u00f6zellikler sa\u011flar\u2014y\u00fczey haz\u0131rlama dereceleri, astar t\u00fcrleri, kuru film kal\u0131nl\u0131\u011f\u0131 (DFT), kat say\u0131s\u0131 ve laboratuvar test prosed\u00fcrleri. Bu nesnellik, onu d\u00fcnya \u00e7ap\u0131nda ihaleler, tedarik s\u00f6zle\u015fmeleri ve kalite do\u011frulamas\u0131n\u0131n temeli yapar.<\/p>\n

\n

Koroziflik Kategorileri: C1'den CX'e<\/h2>\n
\"Comparison
\u015eekil 3: C1 (\u0130\u00e7 Mekan), C3 (Orta K\u0131y\u0131) ve C5 (A\u015f\u0131r\u0131 A\u00e7\u0131k Deniz) maruz kalma ko\u015fullar\u0131 aras\u0131ndaki \u00e7evresel kar\u015f\u0131la\u015ft\u0131rma.<\/figcaption><\/figure>\n

ISO 12944-2, ortamlar\u0131 alt\u0131 koroziflik kategorisine ay\u0131r\u0131r. Her kategori \u00f6l\u00e7\u00fclebilir fakt\u00f6rlerle tan\u0131mlan\u0131r: nem seviyeleri, yo\u011fu\u015fmadan kaynaklanan sonu\u00e7lar, atmosferik kirleticiler (SO\u2082) ve k\u0131y\u0131 b\u00f6lgelerindeki tuz birikimi. Standart, bir y\u0131l boyunca maruz b\u0131rak\u0131lan standart \u00e7elik ve \u00e7inko numunelerinin k\u00fctle kayb\u0131n\u0131 ve kal\u0131nl\u0131k kayb\u0131n\u0131 \u00f6l\u00e7erek korozifli\u011fi \u00f6l\u00e7er.<\/p>\n

C1: \u00c7ok D\u00fc\u015f\u00fck Koroziflik<\/h3>\n

Tipik Ortam:<\/em> Temiz havaya sahip \u0131s\u0131tmal\u0131, klimal\u0131 binalar<\/p>\n

\u00d6rnekler:<\/em> Ofis binalar\u0131, okullar, oteller, al\u0131\u015fveri\u015f merkezleri
\n\u0130\u00e7 Mekan Odakl\u0131:<\/em> Evet (d\u0131\u015f mekan C1 nadirdir)
\n\u00c7elik Kayb\u0131 (1. Y\u0131l):<\/em> \u22641,3 \u00b5m
\n\u00c7inko Kayb\u0131 (1. Y\u0131l):<\/em> \u22640,1 \u00b5m
\nTipik Bak\u0131m Aral\u0131\u011f\u0131:<\/em> Minimum 10\u201315 y\u0131l<\/p>\n

C1 esasen korozyon ba\u011f\u0131\u015f\u0131kl\u0131\u011f\u0131d\u0131r. Kontroll\u00fc i\u00e7 ortamlarda, kaplanmam\u0131\u015f al\u00fcminyum bile s\u00fcresiz olarak dayanabilir. Buradaki kaplama sistemleri minimaldir\u2014tek bir akrilik veya alkid kat\u0131, toplam DFT yakla\u015f\u0131k 60\u2013100 \u00b5m.<\/p>\n

C2: D\u00fc\u015f\u00fck Koroziflik<\/h3>\n

Tipik Ortam:<\/em> K\u0131rsal alanlar, \u0131l\u0131man b\u00f6lgeler, minimum kirlilik; yo\u011fu\u015fma riski olan \u0131s\u0131t\u0131lmam\u0131\u015f binalar<\/p>\n

\u00d6rnekler:<\/em> K\u0131rsal depolar, tar\u0131m tesisleri, spor salonlar\u0131
\n\u00c7elik Kayb\u0131 (1. Y\u0131l):<\/em> >1,3 ila 25 \u00b5m
\n\u00c7inko Kayb\u0131 (1. Y\u0131l):<\/em> >0,1 ila 0,7 \u00b5m
\nTipik Bak\u0131m Aral\u0131\u011f\u0131:<\/em> 7\u201310 y\u0131l<\/p>\n

C2, temiz d\u0131\u015f ortamlara veya \u0131s\u0131t\u0131lmam\u0131\u015f i\u00e7 mekanlara uygulan\u0131r. Tuzlu hava yoktur. SO\u2082 kirlili\u011fi minimaldir. Kaplama sistemleri m\u00fctevaz\u0131 bir \u015fekilde y\u00fckselir: bir astar + tek bir son kat, DFT 100\u2013150 \u00b5m.<\/p>\n

C3: Orta Koroziflik<\/h3>\n

Tipik Ortam:<\/em> Kentsel ve end\u00fcstriyel atmosferler; orta d\u00fczeyde SO\u2082 kirlili\u011fi; d\u00fc\u015f\u00fck tuzlu k\u0131y\u0131 alanlar\u0131<\/p>\n

\u00d6rnekler:<\/em> \u015eehir fabrikalar\u0131, g\u0131da i\u015fleme tesisleri, bira fabrikalar\u0131, \u00e7ama\u015f\u0131rhaneler, d\u00fc\u015f\u00fck tuzlu k\u0131y\u0131 tesisleri
\n\u0130\u00e7 Mekan \u00d6rnekleri:<\/em> Bir miktar kirlilik i\u00e7eren y\u00fcksek nemli \u00fcretim odalar\u0131
\n\u00c7elik Kayb\u0131 (1. Y\u0131l):<\/em> >25 ila 50 \u00b5m
\n\u00c7inko Kayb\u0131 (1. Y\u0131l):<\/em> >0,7 ila 2,1 \u00b5m
\nTipik Bak\u0131m Aral\u0131\u011f\u0131:<\/em> 5\u20137 y\u0131l (ilk b\u00fcy\u00fck bak\u0131m)<\/p>\n

C3, bir\u00e7ok end\u00fcstriyel tesisin bulundu\u011fu yerdir. Nem y\u00fcksektir; yo\u011fu\u015fma d\u00fczenli olarak meydana gelir. Hava, end\u00fcstriyel toz ve hafif SO\u2082 ta\u015f\u0131r. Kaplamalar art\u0131k UV direnci i\u00e7in \u00e7inko a\u00e7\u0131s\u0131ndan zengin epoksi astarlar ve poli\u00fcretan son katlar i\u00e7erir. Toplam DFT: 120\u2013200 \u00b5m. C3 ortamlar\u0131 a\u015fa\u011f\u0131dakiler i\u00e7in tipiktir: yap\u0131sal \u00e7elik, ekipman \u00e7er\u00e7eveleri ve elektrik panosu g\u00f6vdeleri<\/strong> kentsel fabrikalarda ve g\u0131da i\u015fleme tesislerinde. C3 korumal\u0131 kabinlerin i\u00e7indeki terminal bloklar\u0131, MCB'ler ve kontakt\u00f6rler gibi i\u00e7 bile\u015fenler, \u201cUygulama S\u0131n\u0131rlar\u0131\u201d b\u00f6l\u00fcm\u00fcnde a\u00e7\u0131kland\u0131\u011f\u0131 gibi kendi koruma stratejilerini (elektrokaplama, paslanmaz malzemeler) kullan\u0131r.<\/p>\n

C4: Y\u00fcksek Koroziflik<\/h3>\n

Tipik Ortam:<\/em> Orta d\u00fczeyde tuzlulu\u011fa sahip end\u00fcstriyel alanlar; mevsimsel tuz spreyi olan k\u0131y\u0131 b\u00f6lgeleri<\/p>\n

\u00d6rnekler:<\/em> Kimyasal tesisler, y\u00fczme havuzu tesisleri, orta tuzlu tersaneler, k\u0131y\u0131 end\u00fcstriyel b\u00f6lgeleri
\n\u00c7elik Kayb\u0131 (1. Y\u0131l):<\/em> >50 ila 80 \u00b5m
\n\u00c7inko Kayb\u0131 (1. Y\u0131l):<\/em> >2,1 ila 4,2 \u00b5m
\nTipik Bak\u0131m Aral\u0131\u011f\u0131:<\/em> 4\u20135 y\u0131l (ilk b\u00fcy\u00fck bak\u0131m)<\/p>\n

C4, ciddi korozyon riski getirir. Tuz spreyi art\u0131k bir fakt\u00f6rd\u00fcr. Nem y\u00fcksek kal\u0131r. C4'e maruz kalan \u00e7\u0131plak bir \u00e7elik panel, aylar i\u00e7inde g\u00f6r\u00fcn\u00fcr pas g\u00f6sterecektir. Kaplamalar 2\u20133 kat gerektirir: \u00e7inko a\u00e7\u0131s\u0131ndan zengin epoksi astar (100\u2013150 \u00b5m), epoksi ara kat (100\u2013150 \u00b5m), poli\u00fcretan son kat (80\u2013100 \u00b5m). Toplam DFT: 200\u2013250 \u00b5m. Bu, yap\u0131sal \u00e7elik ve pano\/kabin g\u00f6vdeleri<\/strong>. i\u00e7in ge\u00e7erlidir. C4 boyal\u0131 pano duvarlar\u0131ndan kablo giri\u015fleri olarak kullan\u0131lan VIOX kablo rakorlar\u0131<\/a> ve su ge\u00e7irmez konekt\u00f6rler<\/a> IEC 60068-2-11 ve IP derecelerine g\u00f6re derecelendirilmi\u015ftir (bkz. \u201cUygulama S\u0131n\u0131rlar\u0131\u201d b\u00f6l\u00fcm\u00fc).<\/p>\n

C5: \u00c7ok Y\u00fcksek Koroziflik<\/h3>\n

Tipik Ortam:<\/em> Agresif atmosferlere sahip y\u00fcksek nemli end\u00fcstriyel alanlar; y\u00fcksek tuzlu k\u0131y\u0131 b\u00f6lgeleri<\/p>\n

\u00d6rnekler:<\/em> A\u00e7\u0131k deniz destek \u00fcsleri, nemli b\u00f6lgelerdeki kimyasal i\u015fleme tesisleri, y\u00fcksek tuzlu deniz tesisleri, tropikal end\u00fcstriyel sahalar
\n\u00c7elik Kayb\u0131 (1. Y\u0131l):<\/em> >80 ila 200 \u00b5m
\n\u00c7inko Kayb\u0131 (1. Y\u0131l):<\/em> >4.2 ila 8.4 \u00b5m
\nTipik Bak\u0131m Aral\u0131\u011f\u0131:<\/em> 3\u20134 y\u0131l (ilk b\u00fcy\u00fck bak\u0131m)<\/p>\n

C5 a\u015f\u0131r\u0131d\u0131r. Korozyon amans\u0131zca h\u0131zlan\u0131r. \u00c7\u0131plak bir \u00e7elik kiri\u015f, bir y\u0131l i\u00e7inde derin \u00e7ukurla\u015fma ve \u00f6nemli k\u00fctle kayb\u0131 g\u00f6sterecektir. Kaplama sistemleri a\u011f\u0131r hizmet tipi hale gelir: \u00e7inko a\u00e7\u0131s\u0131ndan zengin epoksi astar (100\u2013150 \u00b5m), y\u00fcksek yap\u0131l\u0131 epoksi ara kat (150\u2013250 \u00b5m), poli\u00fcretan son kat (100\u2013150 \u00b5m). Toplam DFT genellikle 300\u2013320 \u00b5m'yi a\u015far. Birden fazla kat zorunludur. Y\u00fczey haz\u0131rl\u0131\u011f\u0131, yap\u0131\u015fmay\u0131 sa\u011flamak i\u00e7in Sa3'e (neredeyse beyaz kumlama) ula\u015fmal\u0131d\u0131r. Bu, a\u015fa\u011f\u0131dakiler i\u00e7in standartt\u0131r: yap\u0131sal a\u00e7\u0131k deniz platformlar\u0131, deniz ara\u00e7lar\u0131 ve kritik end\u00fcstriyel altyap\u0131<\/strong>. Bu yap\u0131lar i\u00e7ine monte edilen bile\u015fenler (VIOX veya di\u011ferlerinden), ISO 12944 yerine elektrik standartlar\u0131n\u0131 takip eder.<\/p>\n

CX: A\u015f\u0131r\u0131 Koroziflik<\/h3>\n

Tipik Ortam:<\/em> A\u00e7\u0131k deniz y\u00fcksek tuzluluk b\u00f6lgeleri; a\u015f\u0131r\u0131 nem + agresif end\u00fcstriyel atmosfer; s\u00fcrekli nemli tropikal\/subtropikal iklimler<\/p>\n

\u00d6rnekler:<\/em> A\u00e7\u0131k deniz petrol ve gaz platformlar\u0131, a\u015f\u0131r\u0131 tropikal k\u0131y\u0131 tesisleri, denizalt\u0131 ekipman destek yap\u0131lar\u0131
\n\u00c7elik Kayb\u0131 (1. Y\u0131l):<\/em> >200 ila 700 \u00b5m
\n\u00c7inko Kayb\u0131 (1. Y\u0131l):<\/em> >8.4 ila 25 \u00b5m
\nTipik Bak\u0131m Aral\u0131\u011f\u0131:<\/em> 2\u20133 y\u0131l (ilk b\u00fcy\u00fck bak\u0131m)<\/p>\n

CX s\u0131n\u0131rd\u0131r. Standart, modern enerji ge\u00e7i\u015flerini (a\u00e7\u0131k deniz r\u00fczgar \u00e7iftlikleri, y\u00fczer g\u00fcne\u015f enerjisi) ele almak i\u00e7in bu kategoriyi 2018'de tan\u0131tt\u0131. Korozyon oranlar\u0131 ola\u011fan\u00fcst\u00fcd\u00fcr. \u00c7\u0131plak \u00e7elik haftalar i\u00e7inde g\u00f6zle g\u00f6r\u00fcl\u00fcr \u015fekilde bozulur. Kaplama sistemleri genellikle 350\u2013450 \u00b5m DFT'yi a\u015far ve \u00e7inko a\u00e7\u0131s\u0131ndan zengin epoksi astarlar\u0131, \u00e7oklu y\u00fcksek yap\u0131l\u0131 ara katlar\u0131 ve \u00f6zel polisiloksan veya alifatik poli\u00fcretan son katlar\u0131 birle\u015ftirir. Bu sistemler ISO 12944-9 (eski ad\u0131yla a\u00e7\u0131k deniz i\u00e7in NORSOK M-501) taraf\u0131ndan y\u00f6netilir ve testler titiz ve uzundur.<\/p>\n

\n

Uygulama S\u0131n\u0131rlar\u0131: ISO 12944 Neleri Kapsar ve Neleri Kapsamaz<\/h2>\n

M\u00fchendislerin anlamas\u0131 gereken kritik bir ayr\u0131m: ISO 12944, i\u00e7 elektrik bile\u015fenleri i\u00e7in de\u011fil, yap\u0131sal \u00e7elik ve muhafaza g\u00f6vdeleri i\u00e7in ge\u00e7erlidir.<\/strong><\/p>\n

ISO 12944'\u00fcn KAPSADI\u011eI \u015eEYLER:<\/h3>\n