{"id":8805,"date":"2025-06-15T02:00:17","date_gmt":"2025-06-15T02:00:17","guid":{"rendered":"https:\/\/premiumalu.com\/7021-aluminum-the-ultimate-guide-to-its-uses\/"},"modified":"2026-10-08T03:22:52","modified_gmt":"2026-10-08T03:22:52","slug":"7021-aluminyum-kullanimlari-icin-nihai-kilavuz","status":"publish","type":"post","link":"https:\/\/premiumalu.com\/tr\/7021-aluminum-the-ultimate-guide-to-its-uses\/","title":{"rendered":"7021 Al\u00fcminyum: \u00d6zellikler, Temperler ve \u0130\u015fleme K\u0131lavuzu"},"content":{"rendered":"<h2 class=\"wp-block-heading\">7021 Al\u00fcminyumu Nedir?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">7021, 7xxx ailesinin \u0131s\u0131l i\u015flem uygulanabilir bir Al-Zn-Mg ala\u015f\u0131m\u0131d\u0131r; EN AW-7021 (AlZn5.5Mg1.5) ve UNS A97021 olarak tescil edilmi\u015ftir. A\u011f\u0131r i\u015fleme s\u0131ras\u0131nda tolerans\u0131 korumas\u0131 veya kaynak yap\u0131l\u0131p yine de 7xxx mukavemet s\u0131n\u0131f\u0131na ula\u015fmas\u0131 gereken par\u00e7alar i\u00e7in ba\u015fvurulacak 7xxx s\u0131n\u0131f\u0131d\u0131r \u2014 7075'in yapamad\u0131\u011f\u0131 iki \u015fey.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Yapt\u0131\u011f\u0131 takas bak\u0131rd\u0131r. 7075, %1,2\u20132,0 bak\u0131r i\u00e7erir; bu ona zirve mukavemetini kazand\u0131r\u0131rken kaynaklanabilirlik ve gerilme korozyonu performans\u0131n\u0131 kaybettirir. 7021 bak\u0131r\u0131 %0,25 ile s\u0131n\u0131rlar, bu mukavemetin yakla\u015f\u0131k 'undan vazge\u00e7er ve kar\u015f\u0131l\u0131\u011f\u0131nda temiz i\u015flenir, derin kesimlerde d\u00fcz kal\u0131r ve f\u00fczyon kayna\u011f\u0131 yap\u0131labilir \u2014 7xxx ailesinin geri kalan\u0131n\u0131n sunmad\u0131\u011f\u0131 bir kombinasyon.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7021'in Kimyasal Bile\u015fimi<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A\u015fa\u011f\u0131daki limitler EN 573-3 kapsam\u0131ndaki tescilli de\u011ferlerdir. Bir sertifikada bunlar\u0131n d\u0131\u015f\u0131nda bir aral\u0131k, farkl\u0131 bir 7021'den de\u011fil, farkl\u0131 bir standarttan gelir.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Element<\/td><td>A\u011f\u0131rl\u0131k %<\/td><td>Rol<\/td><\/tr><tr><td>Silisyum (Si)<\/td><td>0,25 maks.<\/td><td>Safs\u0131zl\u0131k limiti<\/td><\/tr><tr><td>Demir (Fe)<\/td><td>0,40 maks<\/td><td>Safs\u0131zl\u0131k limiti<\/td><\/tr><tr><td>Bak\u0131r (Cu)<\/td><td>0,25 maks.<\/td><td>Ala\u015f\u0131m\u0131 kaynaklanabilir tutan \u00fcst s\u0131n\u0131r<\/td><\/tr><tr><td>Manganez (Mn)<\/td><td>0,10 maks.<\/td><td>Safs\u0131zl\u0131k limiti<\/td><\/tr><tr><td>Magnezyum (Mg)<\/td><td>1.2 - 1.8<\/td><td>Mukavemetlendirici element<\/td><\/tr><tr><td>Krom (Cr)<\/td><td>0,05 maks.<\/td><td>Safs\u0131zl\u0131k limiti<\/td><\/tr><tr><td>\u00c7inko (Zn)<\/td><td>5.0 - 6.0<\/td><td>Birincil g\u00fc\u00e7lendirici element<\/td><\/tr><tr><td>Titanyum (Ti)<\/td><td>0,10 maks.<\/td><td>Tane inceltici<\/td><\/tr><tr><td><strong>Zirkonyum (Zr)<\/strong><\/td><td><strong>0.08 - 0.18<\/strong><\/td><td>Yeniden kristalle\u015fme s\u0131cakl\u0131\u011f\u0131n\u0131 y\u00fckseltir; kaynaklanabilirli\u011fi destekler<\/td><\/tr><tr><td>Di\u011ferleri, her biri \/ toplam<\/td><td>0.05 \/ 0.15<\/td><td>\u2014<\/td><\/tr><tr><td>Al\u00fcminyum (Al)<\/td><td>Kalan<\/td><td>Ana metal<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Yaln\u0131zca \u00fc\u00e7 sat\u0131r kas\u0131tl\u0131 ilavedir \u2014 \u00e7inko, magnezyum ve zirkonyum; di\u011fer her element mevcut olabilecek miktar \u00fczerinde bir \u00fcst s\u0131n\u0131rd\u0131r. \u0130lk kontrol edilecek sat\u0131r bak\u0131rd\u0131r, \u00e7\u00fcnk\u00fc bu s\u0131n\u0131f bunu %0,25 ile s\u0131n\u0131rlar. Al\u00fcminyum sabit bir aral\u0131k olarak de\u011fil, kalan olarak tescil edilmi\u015ftir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Temperlere G\u00f6re Mekanik \u00d6zellikler<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">7021 a\u011f\u0131rl\u0131kl\u0131 olarak T6 ve T651 olarak sipari\u015f edilir. EN 485-2 sac, \u015ferit ve levhay\u0131; EN 755-2 ekstr\u00fcde \u00e7ubuk, boru ve profilleri kapsar.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>M\u00fclkiyet<\/td><td>De\u011fer<\/td><td>Durum<\/td><\/tr><tr><td>\u00c7ekme mukavemeti, Rm<\/td><td>Min 400 MPa (tipik \u2248410 MPa)<\/td><td>T6, sac ve levha, EN 485-2<\/td><\/tr><tr><td>Akma mukavemeti, Rp0,2<\/td><td>Min 350 MPa<\/td><td>T6, sac ve levha, EN 485-2<\/td><\/tr><tr><td>Uzama, A \/ A50<\/td><td>Min \/ Min %8<\/td><td>T6, sac ve levha, EN 485-2<\/td><\/tr><tr><td>Sertlik<\/td><td>\u2248120 HBW<\/td><td>T6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Fiziksel \u00f6zellik<\/td><td>De\u011fer<\/td><\/tr><tr><td>Yo\u011funluk<\/td><td>2,80 g\/cm\u00b3<\/td><\/tr><tr><td>Elastisite mod\u00fcl\u00fc<\/td><td>70 GPa<\/td><\/tr><tr><td>Termal iletkenlik<\/td><td>125 \u2013 155 W\/m\u00b7K<\/td><\/tr><tr><td>Termal genle\u015fme<\/td><td>23 \u00b5m\/m\u00b7K<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">350 MPa akma mukavemeti, 6061-T6'n\u0131n yakla\u015f\u0131k \u00fczerinde ve 7075-T6'n\u0131n yakla\u015f\u0131k alt\u0131ndad\u0131r \u2014 zirve mukavemetli olmayan ger\u00e7ek bir 7xxx s\u0131n\u0131f\u0131. Is\u0131l iletkenlik di\u011fer ticari a\u00e7\u0131dan belirleyici say\u0131y\u0131 ta\u015f\u0131r: 125\u2013155 W\/m\u00b7K, bir al\u00fcminyum kal\u0131b\u0131n \u00e7elik kal\u0131ptan daha h\u0131zl\u0131 \u00e7evrim yapmas\u0131n\u0131 sa\u011flayan de\u011ferdir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0130nce kal\u0131nl\u0131klar levha minimumunun \u00fczerinde \u00e7al\u0131\u015f\u0131r \u2014 1,5 ila 3 mm aras\u0131 anodizasyon kalitesinde sac, T6 ve T651 i\u00e7in rutin olarak 460\u2013480 MPa'da test edilir. EN 485-2 minimumlar\u0131n\u0131 tasar\u0131m de\u011ferleri, daha ince de\u011ferleri ise haddehane performans\u0131 olarak okuyun; hangisinin ge\u00e7erli oldu\u011funa \u0131s\u0131l i\u015flem sertifikan\u0131z karar verir.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7021 Nerelerde Kullan\u0131l\u0131r<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-applications.webp\" alt=\"7021-uygulamalar\" class=\"wp-image-10692\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-applications.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-applications-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-applications-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-applications-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-applications-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u00dc\u00e7 uygulama grubu s\u0131n\u0131f\u0131n \u00e7o\u011funu olu\u015fturur ve her biri ayn\u0131 \u00f6zellikten kaynaklan\u0131r \u2014 levhadaki d\u00fc\u015f\u00fck kal\u0131nt\u0131 gerilme art\u0131 serbest i\u015fleme.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kal\u0131plar ve Tak\u0131m Tezgah\u0131 Levhalar\u0131<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ana pazar. Enjeksiyon ve \u00fcfleme kal\u0131plar\u0131, termoform ve re\u00e7ine transfer tak\u0131mlar\u0131n\u0131n t\u00fcm\u00fc <a href=\"https:\/\/premiumalu.com\/tr\/urun\/7021-aluminyum-alasim\/\">7021 bo\u015fluk levhalar\u0131<\/a>, kullan\u0131r; taban levhalar\u0131 ve makine ba\u011flama tablalar\u0131 da \u00f6yle. D\u00fc\u015f\u00fck i\u00e7 gerilme bunun nedenidir: derin bir bo\u015fluk, malzeme kald\u0131r\u0131ld\u0131k\u00e7a s\u00fcnmek yerine \u015feklini korur ve \u00e7elik tak\u0131ma kar\u015f\u0131 arg\u00fcman mukavemet de\u011fil \u00e7evrim s\u00fcresidir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0130\u015flenmi\u015f ve Hidrolik Bile\u015fenler<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Manifold bloklar\u0131, valf g\u00f6vdeleri, montaj plakalar\u0131 ve tahrik bile\u015fenleri ayn\u0131 kesme davran\u0131\u015f\u0131n\u0131 kullan\u0131r \u2014 k\u0131sa tala\u015flar, temiz y\u00fczey, uzun seri \u00fcretimlerde dayanan tak\u0131m \u00f6mr\u00fc. Kesim derin veya asimetrik oldu\u011funda T651 belirtin.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kaynakl\u0131 Montajlar<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">7021, f\u00fczyon kayna\u011f\u0131 yap\u0131labilen az say\u0131da Al-Zn-Mg ala\u015f\u0131m\u0131ndan biridir; bu, bak\u0131r \u00fcst s\u0131n\u0131r\u0131ndan ve zirkonyum ilavesinden kaynaklan\u0131r. Bir par\u00e7an\u0131n 7xxx mukavemeti ve kaynakl\u0131 bir ba\u011flant\u0131 gerektirdi\u011fi durumlarda bu s\u0131n\u0131f\u0131n belirtilmesinin nedeni budur. Hacimsel kaynakl\u0131 yap\u0131da, <a href=\"https:\/\/premiumalu.com\/tr\/7005-aluminyum-alasiminda-ustalasmak-icin-kapsamli-bir-kilavuz\/\">7005<\/a> veya <a href=\"https:\/\/premiumalu.com\/tr\/urun\/7020-aluminyum-alasim\/\">7020<\/a> genellikle daha ucuz yoldur.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7021 Temper Se\u00e7enekleri<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">7021, her biri farkl\u0131 bir i\u015fleme gereksinimini kar\u015f\u0131layan \u00fc\u00e7 ko\u015fulda tedarik edilir.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Temper<\/td><td>\u0130\u015flem<\/td><td>Mukavemet s\u0131n\u0131f\u0131<\/td><td>\u0130\u00e7in en iyisi<\/td><td>Ka\u00e7\u0131n\u0131n<\/td><\/tr><tr><td>T6<\/td><td>\u00c7\u00f6zelti ile \u0131s\u0131l i\u015flem g\u00f6rm\u00fc\u015f ve yapay olarak ya\u015fland\u0131r\u0131lm\u0131\u015f<\/td><td>EN 485-2 minimumlar\u0131<\/td><td>Kullan\u0131ma haz\u0131r tedarik edilen kal\u0131plar, genel yap\u0131sal ve kaynakl\u0131 par\u00e7alar<\/td><td>Kal\u0131nt\u0131 gerilmenin \u00f6nemli oldu\u011fu derin i\u015fleme<\/td><\/tr><tr><td>T651<\/td><td>T6 art\u0131 kontroll\u00fc %1\u20133 gerilme giderme germe i\u015flemi<\/td><td>T6 ile ayn\u0131 s\u0131n\u0131f<\/td><td>A\u011f\u0131r i\u015flenmi\u015f par\u00e7alar: derin cepler, asimetrik kesimler, s\u0131k\u0131 d\u00fczl\u00fck<\/td><td>Yaln\u0131zca hafif kesme veya delme i\u00e7eren durumlarda gerekli de\u011fildir<\/td><\/tr><tr><td>T62<\/td><td>\u015eekillendirme veya imalat sonras\u0131 \u00e7\u00f6zeltiye al\u0131nm\u0131\u015f ve ya\u015fland\u0131r\u0131lm\u0131\u015f<\/td><td>T6'ya e\u015fde\u011fer<\/td><td>Ya\u015fland\u0131r\u0131lm\u0131\u015f olarak tedarik edilmek yerine bitmi\u015f par\u00e7a olarak ya\u015fland\u0131r\u0131lan montajlar<\/td><td>Hammadde sipari\u015fi \u2014 T6 veya T651 belirtin<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">7021 vs 7075 vs 6061<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-7075-6061.webp\" alt=\"7021-7075-6061\" class=\"wp-image-10694\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-7075-6061.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-7075-6061-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-7075-6061-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-7075-6061-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-7075-6061-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Bu \u00fc\u00e7 ala\u015f\u0131m y\u00fcksek mukavemetli al\u00fcminyum kararlar\u0131n\u0131n \u00e7o\u011funu kapsar.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>M\u00fclkiyet<\/td><td>7021-T6<\/td><td>7075-T6<\/td><td>6061-T6<\/td><\/tr><tr><td>\u00c7ekme mukavemeti<\/td><td>Min 400 MPa (tipik \u2248410)<\/td><td>Tipik 572 MPa<\/td><td>Tipik 310 MPa<\/td><\/tr><tr><td>Akma mukavemeti<\/td><td>Min 350 MPa<\/td><td>Tipik 503 MPa<\/td><td>Tipik 276 MPa<\/td><\/tr><tr><td>Uzama<\/td><td>Min 10%<\/td><td>~11%<\/td><td>12\u201317%<\/td><\/tr><tr><td>Yo\u011funluk<\/td><td>2,80 g\/cm\u00b3<\/td><td>2,81 g\/cm\u00b3<\/td><td>2,70 g\/cm\u00b3<\/td><\/tr><tr><td>Kal\u0131nt\u0131 gerilme \/ kararl\u0131l\u0131k<\/td><td>\u00c7ok d\u00fc\u015f\u00fck; tak\u0131m plakas\u0131 kalitesi<\/td><td>Y\u00fcksek; a\u011f\u0131r i\u015flemede hareket eder<\/td><td>Orta d\u00fczeyde<\/td><\/tr><tr><td>\u0130\u015flenebilirlik<\/td><td>M\u00fckemmel; k\u0131sa tala\u015flar, iyi parlatma<\/td><td>\u0130yi<\/td><td>\u0130yi<\/td><\/tr><tr><td>Kaynaklanabilirlik<\/td><td>\u0130yi, kalifiye MIG\/TIG ve 5356 veya 5183 dolgu malzemesi ile<\/td><td>F\u00fczyon kayna\u011f\u0131 i\u00e7in \u00f6nerilmez<\/td><td>M\u00fckemmel, t\u00fcm yayg\u0131n prosesler<\/td><\/tr><tr><td>Korozyon direnci<\/td><td>Orta; kaplama veya anodizasyon gerektirir<\/td><td>S\u0131n\u0131rl\u0131; kaplama veya kladlama gerektirir<\/td><td>\u0130yi<\/td><\/tr><tr><td>Tipik uygulamalar<\/td><td>Kal\u0131plar, tak\u0131m plakas\u0131, i\u015flenmi\u015f ve hidrolik par\u00e7alar, kaynakl\u0131 montajlar<\/td><td>Y\u00fcksek gerilimli i\u015flenmi\u015f par\u00e7alar, u\u00e7ak g\u00f6vdesi yap\u0131s\u0131<\/td><td>Genel imalat, denizcilik, mimari<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">7021 s\u00fctunu EN 485-2 minimumudur; 7075 ve 6061 s\u00fctunlar\u0131 yay\u0131mlanm\u0131\u015f tipik de\u011ferlerdir. Ondal\u0131k basamaklar yerine s\u0131ralamay\u0131 kar\u015f\u0131la\u015ft\u0131r\u0131n ve kendi formunuz ile kal\u0131nl\u0131\u011f\u0131n\u0131za uygulanan de\u011ferleri de\u011firmen sertifikas\u0131nda do\u011frulay\u0131n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7021 ile \u00e7al\u0131\u015fma<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Tala\u015fl\u0131 \u0130malat<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0130\u015flenebilirlik, bu kalitenin var olma nedenidir ve 7021, 7xxx ala\u015f\u0131mlar\u0131 aras\u0131nda \u00fcst d\u00fczeyde performans g\u00f6sterir. Tala\u015flar k\u0131sa k\u0131r\u0131l\u0131r, y\u00fczey kalitesi temizdir ve orta ile y\u00fcksek i\u015f mili h\u0131zlar\u0131nda karb\u00fcr tak\u0131mlar iyi dayan\u0131r. Y\u00fcksek h\u0131z \u00e7eli\u011fi s\u0131\u011f \u00f6zellikler i\u00e7in uygundur, ancak ekonomik denge karb\u00fcrdedir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Derin cepler, asimetrik kesimler veya dar d\u00fczl\u00fck toleranslar\u0131 i\u00e7in T6 yerine T651 belirtin. Gerilme giderme germe i\u015flemi kesimden \u00f6nce uygulan\u0131r, b\u00f6ylece plaka i\u015fin ortas\u0131nda kendini \u00e7arp\u0131k bir par\u00e7aya b\u0131rakmaz. Kesme, delme ve hafif frezeleme i\u00e7in T6 yeterince kararl\u0131d\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kaynak<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-welding-conditions.webp\" alt=\"7021-kaynak-ko\u015fullar\u0131\" class=\"wp-image-10695\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-welding-conditions.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-welding-conditions-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-welding-conditions-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-welding-conditions-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-welding-conditions-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">7021 f\u00fczyon kayna\u011f\u0131 ile kaynaklanabilir ve fark\u0131 yaratan budur \u2014 bu, bak\u0131r \u00fcst s\u0131n\u0131r\u0131ndan ve zirkonyum ilavesinden kaynaklan\u0131r. Dolgu malzemesi, 5356 veya 5183 olan bir 5xxx kalitesidir; bu, kat\u0131la\u015fma \u00e7atlamas\u0131na direnmek i\u00e7in havuzda yeterli magnezyum tutar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dolgu malzemesi se\u00e7iminin \u00f6tesinde bu, malzeme de\u011fil prosed\u00fcr sorusudur: imalat\u00e7\u0131, 6xxx i\u015fi i\u00e7in yaz\u0131lm\u0131\u015f bir prosed\u00fcr\u00fc devralmak yerine bu ala\u015f\u0131m i\u00e7in kaynak prosed\u00fcr\u00fcn\u00fc kalifiye etmelidir. Mukavemet s\u0131n\u0131rlay\u0131c\u0131 \u00f6zelli\u011fin ana plaka de\u011fil kaynak olmas\u0131n\u0131 bekleyin ve kesiti buna g\u00f6re boyutland\u0131r\u0131n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Korozyon Korumas\u0131<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c7o\u011fu \u00e7inko a\u00e7\u0131s\u0131ndan zengin al\u00fcminyum gibi, 7021 de orta d\u00fczeyde korozyon direncine sahiptir ve d\u0131\u015f mek\u00e2n veya nemli servis i\u00e7in koruma gerektirir. \u00dc\u00e7 yakla\u015f\u0131m \u00e7o\u011fu durumu kapsar.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Eloksal.<\/strong> S\u00fclf\u00fcrik asit anodizasyonu kontroll\u00fc bir oksit bariyeri olu\u015fturur. Katman\u0131n 6xxx ala\u015f\u0131m\u0131na g\u00f6re daha az homojen olmas\u0131n\u0131 bekleyin ve dekoratif bir par\u00e7ay\u0131 serbest b\u0131rakmadan \u00f6nce y\u00fczey kalite s\u0131n\u0131f\u0131n\u0131 bir numunede do\u011frulay\u0131n.<\/li>\n\n\n\n<li><strong>Boya sistemleri.<\/strong> D\u00f6n\u00fc\u015f\u00fcm kaplama, epoksi astar ve poli\u00fcretan \u00fcst kaplama standart end\u00fcstriyel yap\u0131d\u0131r. Kaplaman\u0131n yerinde kal\u0131p kalmayaca\u011f\u0131n\u0131 belirleyen \u015fey y\u00fczey haz\u0131rl\u0131\u011f\u0131d\u0131r.<\/li>\n\n\n\n<li><strong>Drenaj i\u00e7in tasarlay\u0131n.<\/strong> Suyun birikti\u011fi ceplerden, \u00e7atlaklardan ve yukar\u0131 bakan d\u00fcz y\u00fczeylerden ka\u00e7\u0131n\u0131n. Geometri se\u00e7imleri, herhangi bir kaplaman\u0131n onarabilece\u011finden daha fazla korozyonu \u00f6nler.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Servis S\u0131cakl\u0131\u011f\u0131 Limiti<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">7021 \u00e7\u00f6kelme sertle\u015fmeli bir ala\u015f\u0131md\u0131r, bu nedenle mukavemeti sertle\u015ftirme faz\u0131n\u0131n ya\u015fland\u0131r\u0131ld\u0131\u011f\u0131 gibi kalmas\u0131na ba\u011fl\u0131d\u0131r. Yakla\u015f\u0131k 100\u2013120 \u00b0C \u00fczerinde s\u00fcrekli servis, temperi a\u015f\u0131r\u0131 ya\u015fland\u0131rmaya ba\u015flar ve akma mukavemetini d\u00fc\u015f\u00fcr\u00fcr; yakla\u015f\u0131k 200 \u00b0C'ye k\u0131sa s\u00fcreli \u00e7\u0131k\u0131\u015flar ise bir tasar\u0131m de\u011feri olmamak kayd\u0131yla tolere edilebilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zirkonyum, i\u015flemi 7075'e k\u0131yasla yava\u015flat\u0131r, ancak her iki ala\u015f\u0131m da y\u00fcksek s\u0131cakl\u0131k se\u00e7ene\u011fi de\u011fildir. S\u00fcrekli \u0131s\u0131 i\u00e7in bunun yerine \u0131s\u0131ya dayan\u0131kl\u0131 bir kalite d\u00fc\u015f\u00fcn\u00fcn.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Art\u0131lar ve S\u0131n\u0131rlamalar Bir Bak\u0131\u015fta<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Fakt\u00f6r<\/td><td>Avantaj<\/td><td>S\u0131n\u0131rlama<\/td><\/tr><tr><td>\u0130\u015fleme alt\u0131nda kararl\u0131l\u0131k<\/td><td>\u00c7ok d\u00fc\u015f\u00fck kal\u0131nt\u0131 gerilme; tak\u0131m plakas\u0131 kalitesi<\/td><td>\u2014<\/td><\/tr><tr><td>\u0130\u015flenebilirlik<\/td><td>K\u0131sa tala\u015flar, temiz y\u00fczey, iyi parlat\u0131labilirlik<\/td><td>Derin veya d\u00fczensiz malzeme kald\u0131rma i\u00e7in T651 belirtin<\/td><\/tr><tr><td>G\u00fc\u00e7<\/td><td>T6'da minimum 350 MPa akma \u2014 ger\u00e7ek bir 7xxx s\u0131n\u0131f\u0131<\/td><td>Akma mukavemetinin belirleyici oldu\u011fu durumlarda 7075-T6'n\u0131n yakla\u015f\u0131k 30% alt\u0131nda<\/td><\/tr><tr><td>Kaynaklanabilirlik<\/td><td>F\u00fczyon kayna\u011f\u0131 ile kaynaklanabilen az say\u0131daki 7xxx ala\u015f\u0131m\u0131ndan biri<\/td><td>Kendi kalifiye prosed\u00fcr\u00fcn\u00fc gerektirir; bir miktar \u0131s\u0131dan etkilenen b\u00f6lge kayb\u0131 ka\u00e7\u0131n\u0131lmazd\u0131r<\/td><\/tr><tr><td>Korozyon direnci<\/td><td>Anodize veya boyand\u0131ktan sonra yeterli<\/td><td>\u00c7\u0131plak ala\u015f\u0131m, korumas\u0131z nemli veya deniz ortam\u0131 servisi i\u00e7in uygun de\u011fildir<\/td><\/tr><tr><td>Termal iletkenlik<\/td><td>125\u2013155 W\/m\u00b7K; \u00e7elikten daha h\u0131zl\u0131 kal\u0131p \u00e7evrimi<\/td><td>\u2014<\/td><\/tr><tr><td>Servis s\u0131cakl\u0131\u011f\u0131<\/td><td>Yakla\u015f\u0131k 100\u2013120 \u00b0C'ye kadar kararl\u0131<\/td><td>Y\u00fcksek s\u0131cakl\u0131k ala\u015f\u0131m\u0131 de\u011fildir<\/td><\/tr><tr><td>Stok Durumu<\/td><td>Plaka ve \u00e7ubukta standart, ayr\u0131ca ekstr\u00fcde formlar<\/td><td>6061'e g\u00f6re daha az yayg\u0131n stoklan\u0131r; tasar\u0131m\u0131 buna g\u00f6re yapmadan \u00f6nce do\u011frulay\u0131n<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Go\/No-Go<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">7021'in tasar\u0131ma ait olup olmad\u0131\u011f\u0131na karar vermek i\u00e7in ba\u015fka herhangi bir \u015feyle kar\u015f\u0131la\u015ft\u0131rmadan \u00f6nce bu e\u015fikleri kullan\u0131n.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-selection-boundaries.webp\" alt=\"7021-se\u00e7im-s\u0131n\u0131rlar\u0131\" class=\"wp-image-10696\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-selection-boundaries.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-selection-boundaries-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-selection-boundaries-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-selection-boundaries-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7021-selection-boundaries-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>7021'i \u015fu durumlarda se\u00e7in:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Par\u00e7a, derin veya d\u00fczensiz kesimler boyunca d\u00fcz kalmas\u0131 gereken bir kal\u0131p, bo\u015fluk plakas\u0131 veya tak\u0131m plakas\u0131d\u0131r \u2014 malzeme kald\u0131rman\u0131n a\u011f\u0131r veya asimetrik oldu\u011fu durumlarda T651 belirtin.<\/li>\n\n\n\n<li>Par\u00e7a kaynaklanmal\u0131 ve 6061'in sa\u011flayamayaca\u011f\u0131 7xxx d\u00fczeyinde mukavemet gerektiriyorsa.<\/li>\n\n\n\n<li>125\u2013155 W\/m\u00b7K termal iletkenlik ile desteklenen, \u00e7elikten daha h\u0131zl\u0131 kal\u0131p \u00e7evrimi istiyorsan\u0131z.<\/li>\n\n\n\n<li>Par\u00e7a ba\u015f\u0131na i\u015fleme maliyeti, akma mukavemetinin son birka\u00e7 y\u00fczdesinden daha \u00f6nemliyse.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>7021'den ka\u00e7\u0131n\u0131lmas\u0131 gereken durumlar:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Maksimum mukavemet tasar\u0131m\u0131 belirliyorsa ve hi\u00e7bir kaynak yap\u0131lm\u0131yorsa \u2014 <a href=\"https:\/\/premiumalu.com\/tr\/urun\/7075-aluminyum-alasim\/\">7075-T6<\/a> yakla\u015f\u0131k 30% daha fazla akma dayan\u0131m\u0131 sa\u011flar; bu da c\u0131vatal\u0131 ve per\u00e7inli i\u015flenmi\u015f par\u00e7alar\u0131 \u00e7\u00f6zer.<\/li>\n\n\n\n<li>276 MPa akma dayan\u0131m\u0131 yeterliyse \u2014 <a href=\"https:\/\/premiumalu.com\/tr\/urun\/6061-aluminyum-alasim\/\">6061-T6<\/a> bedelsiz korozyon direnci, kolay kaynaklanabilirlik ve \u00e7ok daha geni\u015f bulunabilirlik sa\u011flar; kesimler hafif kald\u0131\u011f\u0131 s\u00fcrece stabilite daha az \u00f6nem ta\u015f\u0131r.<\/li>\n\n\n\n<li>Par\u00e7a nemli, denizcilik veya kimyasal ortamda korumas\u0131z kalacaksa \u2014 bunun yerine 5xxx veya 6xxx ala\u015f\u0131m\u0131na ge\u00e7in.<\/li>\n\n\n\n<li>S\u00fcrekli servis yakla\u015f\u0131k 120 \u00b0C \u00fczerinde \u00e7al\u0131\u015facaksa; burada a\u015f\u0131r\u0131 ya\u015flanma temperi a\u015f\u0131nd\u0131r\u0131r.<\/li>\n\n\n\n<li>Par\u00e7a ya\u015fland\u0131rma sonras\u0131 a\u011f\u0131r \u015fekillendirme gerektiriyorsa \u2014 7021-T6 bir \u015fekillendirme ala\u015f\u0131m\u0131 de\u011fildir; O temperde \u015fekillendirin ve sonras\u0131nda \u0131s\u0131l i\u015flem uygulay\u0131n.<\/li>\n\n\n\n<li>\u0130\u015flenecek bir \u015fey ve yap\u0131lacak bir kaynak yoksa \u2014 ala\u015f\u0131m\u0131n avantajlar\u0131n\u0131n uygulanaca\u011f\u0131 bir alan kalmaz.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Sonu\u00e7<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">7021, 7xxx ailesinde belirli bir yere sahiptir. 7075\u2019in akma dayan\u0131m\u0131n\u0131n yakla\u015f\u0131k 30%'inden ve bak\u0131r kaynakl\u0131 korozyon performans\u0131ndan feragat eder; kar\u015f\u0131l\u0131\u011f\u0131nda temiz i\u015flenir, a\u011f\u0131r kesimler boyunca \u015feklini korur ve kaynaklanabilir \u2014 hi\u00e7bir di\u011fer 7xxx ala\u015f\u0131m\u0131n\u0131n tam olarak ayn\u0131 pakette sunmad\u0131\u011f\u0131 bir kombinasyon. Bu, bir kal\u0131p bo\u015flu\u011fu, bir manifold blo\u011fu veya b\u00fcy\u00fck bir i\u015flenmi\u015f plaka i\u00e7in \u00f6demeye de\u011ferdir; tasar\u0131m y\u00fck\u00fcn\u00fcn tek \u00f6nemli unsur oldu\u011fu bir par\u00e7a i\u00e7in ise \u00f6demeye de\u011fmez.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">7021'i T6 ve T651 olarak plaka, \u00e7ubuk, boru ve blok halinde, her sipari\u015fte MTC ile birlikte tedarik ediyoruz. \u015eirket i\u00e7i CNC i\u015fleme, kaynak ve anodizasyon hizmetlerimiz, bu kalitenin genellikle belirtildi\u011fi i\u015fleme ve birle\u015ftirme ad\u0131mlar\u0131n\u0131 kapsar; d\u00fc\u015f\u00fck MOQ'lu \u00f6zel \u00f6l\u00e7\u00fcler sipari\u015fe g\u00f6re \u00fcretilir.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c7iziminizi, formunuzu ve temperinizi bize g\u00f6nderin; belirtti\u011finiz standarda g\u00f6re neleri tedarik edebilece\u011fimizi teyit ederiz.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">S\u0131k\u00e7a Sorulan Sorular<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">7021 plaka i\u00e7in minimum sipari\u015f nedir ve hangi teslim s\u00fcresini planlamal\u0131y\u0131m?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u00c7izime g\u00f6re \u00f6l\u00e7\u00fcler d\u00fc\u015f\u00fck MOQ'lu \u00f6zel \u00fcretimdir; forma, tempere ve miktara ba\u011fl\u0131 olarak tipik olarak 10\u201360 g\u00fcn s\u00fcrer. Standart plaka ve \u00e7ubuk \u00f6l\u00e7\u00fcleri stoktan sevk edilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Bir 7021 sipari\u015fiyle hangi belgeler gelir?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Is\u0131l i\u015flem partisi i\u00e7in kimyasal ve mekanik sonu\u00e7lar\u0131 raporlayan bir de\u011firmen test sertifikas\u0131 her sevkiyatla birlikte verilir. Projenin ba\u011f\u0131ms\u0131z do\u011frulama gerektirdi\u011fi durumlarda, ek test maliyeti kar\u015f\u0131l\u0131\u011f\u0131nda talep \u00fczerine SGS raporlar\u0131 d\u00fczenlenebilir.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7021 kal\u0131p plakalar\u0131n\u0131 i\u015fleyip bitmi\u015f par\u00e7alar tedarik edebilir misiniz?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Evet \u2014 bo\u015fluk plakalar\u0131, manifold bloklar\u0131 ve fikst\u00fcr plakalar\u0131 \u015firket i\u00e7inde i\u015flenir; b\u00f6ylece malzeme ve i\u015fleme birlikte fiyatland\u0131r\u0131l\u0131r.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">7021, mevcut bir kal\u0131p tasar\u0131m\u0131nda 7075'in yerini alabilir mi?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Yaln\u0131zca tasar\u0131m mukavemetle s\u0131n\u0131rl\u0131 de\u011filse. 7021, 7075\u2019in akma dayan\u0131m\u0131n\u0131n yakla\u015f\u0131k 30%'inden feragat eder; bu nedenle 7075 et kal\u0131nl\u0131klar\u0131na g\u00f6re boyutland\u0131r\u0131lm\u0131\u015f bir bo\u015flu\u011fun yeniden kontrol edilmesi gerekir. Se\u00e7imi tepe mukavemet yerine i\u015fleme s\u00fcresi, d\u00fczl\u00fck ve kaynaklanabilirlik belirliyorsa, de\u011fi\u015fim genellikle kazand\u0131r\u0131r.<\/p>","protected":false},"excerpt":{"rendered":"<p>What Is 7021 Aluminum? 7021 is a heat-treatable Al-Zn-Mg alloy of the 7xxx family, registered as EN AW-7021 (AlZn5.5Mg1.5) and as UNS A97021. It is the 7xxx grade to reach for when the part has to hold tolerance through heavy machining, or has to be welded and still reach a 7xxx strength class \u2014 two [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":10698,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"7021 Aluminum: The Ultimate Guide to Properties and Uses","_seopress_titles_desc":"A practical guide to 7021 aluminum: chemical composition, mechanical properties, T6\/T62\/T651 tempers, comparison with 7075 and 6061, and sourcing tips for aerospace and structural use.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","footnotes":""},"categories":[179],"tags":[],"class_list":["post-8805","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-7000-series-aluminum"],"_links":{"self":[{"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/posts\/8805","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/comments?post=8805"}],"version-history":[{"count":5,"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/posts\/8805\/revisions"}],"predecessor-version":[{"id":10715,"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/posts\/8805\/revisions\/10715"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/media\/10698"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/media?parent=8805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/categories?post=8805"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/tr\/wp-json\/wp\/v2\/tags?post=8805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}