{"id":8575,"date":"2025-04-12T09:51:12","date_gmt":"2025-04-12T09:51:12","guid":{"rendered":"https:\/\/premiumalu.com\/mastering-7005-aluminium-alloy-a-comprehensive-guide\/"},"modified":"2026-10-08T02:21:33","modified_gmt":"2026-10-08T02:21:33","slug":"zvladnuti-hlinikove-slitiny-7005-komplexni-pruvodce","status":"publish","type":"post","link":"https:\/\/premiumalu.com\/cs\/mastering-7005-aluminium-alloy-a-comprehensive-guide\/","title":{"rendered":"Slitina hlin\u00edku 7005: Vlastnosti, sva\u0159itelnost a aplikace"},"content":{"rendered":"<p class=\"wp-block-paragraph\">7005 je z t\u011bchto dvou bezm\u011bd\u011bn\u00fdch 7xxx sva\u0159ovac\u00edch slitin ta \u0161iroce pou\u017e\u00edvan\u00e1: jakost Al-Zn-Mg s obsahem m\u011bdi omezen\u00fdm na 0,10 % a s c\u00edlen\u00fdm p\u0159\u00eddavkem zirkonia, dod\u00e1van\u00e1 p\u0159edev\u0161\u00edm jako v\u00fdlisek pro sva\u0159ovan\u00e9 r\u00e1my a dopravn\u00ed konstrukce.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pr\u00e1v\u011b n\u00edzk\u00fd obsah m\u011bdi je t\u00edm rozhoduj\u00edc\u00edm rozd\u00edlem. Umo\u017e\u0148uje, aby sva\u0159ovan\u00fd spoj po st\u00e1rnut\u00ed dos\u00e1hl pevnosti bl\u00edzk\u00e9 z\u00e1kladn\u00edmu materi\u00e1lu, m\u00edsto aby byl v tepeln\u011b ovlivn\u011bn\u00e9 z\u00f3n\u011b odeps\u00e1n \u2014 ze stejn\u00e9ho d\u016fvodu se 7075 s obsahem m\u011bdi 1,2\u20132,0 % spojuje mechanicky, nikoli sva\u0159uje. Slitina 7005 se vzd\u00e1v\u00e1 \u0161pi\u010dkov\u00e9 pevnosti ve prosp\u011bch 7075, aby si tuto vlastnost zachovala.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Co je hlin\u00edkov\u00e1 slitina 7005?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Jedn\u00e1 se o vytvrditelnou slitinu ze s\u00e9rie 7000. Hlavn\u00edm leguj\u00edc\u00edm prvkem je zinek, ho\u0159\u010d\u00edk tvo\u0159\u00ed zpev\u0148uj\u00edc\u00ed f\u00e1zi a mangan s chromem podporuj\u00ed pevnost a korozn\u00ed chov\u00e1n\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Zirkonium (0,08\u20130,20 %) je t\u00edm, co odli\u0161uje 7005 od prost\u00e9 sm\u011bsi Al-Zn-Mg. Zvy\u0161uje teplotu rekrystalizace a udr\u017euje jemnou strukturu zrn, co\u017e potla\u010duje vznik hork\u00fdch trhlin ve svarov\u00e9 l\u00e1zni. To je d\u016fvod, pro\u010d se 7005 a jej\u00ed bl\u00edzc\u00ed p\u0159\u00edbuzn\u00ed, <a href=\"https:\/\/premiumalu.com\/cs\/objevit-7003-hlinik-klicova-fakta-ktera-potrebujete-vedet\/\">7003<\/a> a 7020, sva\u0159uj\u00ed tam, kde 7075 nikoli.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Prvek<\/td><td>Rozsah (% hmotnostn\u00ed)<\/td><td>Role<\/td><\/tr><tr><td>Zinek (Zn)<\/td><td>4.0-5.0<\/td><td>Prim\u00e1rn\u00ed zpev\u0148uj\u00edc\u00ed prvek<\/td><\/tr><tr><td>Ho\u0159\u010d\u00edk (Mg)<\/td><td>1.0\u20131.8<\/td><td>Tvo\u0159\u00ed zpev\u0148uj\u00edc\u00ed f\u00e1zi MgZn\u2082<\/td><\/tr><tr><td>Mangan (Mn)<\/td><td>0.20\u20130.70<\/td><td>Pevnost, korozn\u00ed odolnost, \u0159\u00edzen\u00ed struktury zrn<\/td><\/tr><tr><td>Chrom (Cr)<\/td><td>0.06\u20130.20<\/td><td>Stabilizace hranic zrn<\/td><\/tr><tr><td>Zirkonium (Zr)<\/td><td>0.08\u20130.20<\/td><td>Zjemn\u011bn\u00ed zrn; odolnost v\u016f\u010di vzniku hork\u00fdch trhlin ve svaru<\/td><\/tr><tr><td>M\u011b\u010f (Cu)<\/td><td>\u22640,10<\/td><td>Udr\u017eov\u00e1no na n\u00edzk\u00e9 \u00farovni kv\u016fli sva\u0159itelnosti a korozn\u00ed odolnosti<\/td><\/tr><tr><td>\u017delezo (Fe)<\/td><td>\u22640,40<\/td><td>Limit ne\u010distot<\/td><\/tr><tr><td>K\u0159em\u00edk (Si)<\/td><td>\u22640,35<\/td><td>Limit ne\u010distot<\/td><\/tr><tr><td>Titan (Ti)<\/td><td>0.01\u20130.06<\/td><td>Zjem\u0148ova\u010d zrna<\/td><\/tr><tr><td>Ostatn\u00ed (ka\u017ed\u00fd \/ celkem)<\/td><td>\u22640,05 \/ \u22640,15<\/td><td>Stopov\u00e1 mno\u017estv\u00ed<\/td><\/tr><tr><td>Hlin\u00edk (Al)<\/td><td>Bilance<\/td><td>Nobelmetal<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Hustota je p\u0159ibli\u017en\u011b 2,78 g\/cm\u00b3. Rozsahy odpov\u00eddaj\u00ed EN 573-3 (ozna\u010den\u00ed EN AW-7005 \/ AlZn4.5Mg1.5Mn) a ASTM B221. Slitina 7005 se dod\u00e1v\u00e1 p\u0159edev\u0161\u00edm jako v\u00fdlisek, tak\u017ee rozhoduj\u00edc\u00edmi v\u00fdrobkov\u00fdmi normami jsou ASTM B221 a EN 755-2, nikoli ozna\u010den\u00ed pro ploch\u00e9 v\u00e1lcovan\u00e9 plechy.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ozna\u010den\u00ed stavu: O, T5, T53 a T6<\/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\/7005-aluminum-temper-selection.webp\" alt=\"7005-aluminum-temper-selection\" class=\"wp-image-10709\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-temper-selection.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-temper-selection-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-temper-selection-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-temper-selection-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-temper-selection-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Stav (temper) je tepeln\u00e9 zpracov\u00e1n\u00ed a stav zpracov\u00e1n\u00ed, v n\u011bm\u017e je kov dod\u00e1v\u00e1n, a m\u011bn\u00ed pevnost a tva\u0159itelnost mnohem v\u00edce ne\u017e samotn\u00e1 slitina. Pro 7005 jsou obvykl\u00e9 \u010dty\u0159i.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>O<\/strong> \u2014 \u017e\u00edhan\u00fd, nejm\u011bk\u010d\u00ed stav. Pou\u017e\u00edv\u00e1 se, kdy\u017e mus\u00ed b\u00fdt d\u00edl p\u0159ed jak\u00fdmkoli tepeln\u00fdm zpracov\u00e1n\u00edm v\u00fdrazn\u011b tv\u00e1\u0159en.<\/li>\n\n\n\n<li><strong>T5<\/strong> \u2014 ochlazen\u00fd z lisovac\u00edho stroje a pot\u00e9 um\u011ble st\u00e1rnut\u00fd. Ekonomick\u00e1 volba pro profily, kter\u00e9 nevy\u017eaduj\u00ed dodate\u010dn\u00e9 odstran\u011bn\u00ed vnit\u0159n\u00edho pnut\u00ed.<\/li>\n\n\n\n<li><strong>T53<\/strong> \u2014 lisovac\u00ed ochlazen\u00ed, p\u0159irozen\u00e9 st\u00e1rnut\u00ed po dobu p\u0159ibli\u017en\u011b 72 hodin p\u0159i pokojov\u00e9 teplot\u011b, pot\u00e9 dvoustup\u0148ov\u00e9 um\u011bl\u00e9 st\u00e1rnut\u00ed. Jedn\u00e1 se o obvykl\u00fd hutn\u00ed stav pro v\u00fdlisky z 7005 a postup, kter\u00fd n\u00e1sleduj\u00ed sva\u0159ovan\u00e9 konstrukce.<\/li>\n\n\n\n<li><strong>T6 \/ T63<\/strong> \u2014 rozpou\u0161t\u011bc\u00ed tepeln\u00e9 zpracov\u00e1n\u00ed a um\u011bl\u00e9 st\u00e1rnut\u00ed na nejvy\u0161\u0161\u00ed pevnost. O jeden procesn\u00ed krok nav\u00edc, proto je oproti T5 dra\u017e\u0161\u00ed.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Jedno up\u0159esn\u011bn\u00ed, kter\u00e9 stoj\u00ed za to m\u00edt na pam\u011bti: T53 je dod\u00e1van\u00fd stav, nikoli popis sva\u0159ovan\u00e9 sou\u010d\u00e1sti. V praxi se oba shoduj\u00ed, proto\u017ee sva\u0159enec z 7005 se po sva\u0159ov\u00e1n\u00ed nech\u00e1v\u00e1 st\u00e1rnout a dosahuje stejn\u00e9ho p\u00e1sma vlastnost\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Typick\u00e9 mechanick\u00e9 vlastnosti podle stavu<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Temperament<\/td><td>Pevnost v tahu (MPa)<\/td><td>Mez kluzu, 0,2 % (MPa)<\/td><td>Prodlou\u017een\u00ed (%)<\/td><td>Stav<\/td><\/tr><tr><td>O<\/td><td>~190<\/td><td>~80<\/td><td>~20<\/td><td>\u017d\u00edhan\u00fd; t\u011b\u017ek\u00e9 tv\u00e1\u0159en\u00ed<\/td><\/tr><tr><td>T5<\/td><td>~345<\/td><td>~290<\/td><td>~12<\/td><td>Lisovac\u00ed ochlazen\u00ed a st\u00e1rnut\u00ed<\/td><\/tr><tr><td>T53<\/td><td>~350\u2013390<\/td><td>~300\u2013345<\/td><td>~10\u201315<\/td><td>Lisovac\u00ed ochlazen\u00ed, p\u0159irozen\u00e9 plus dvoustup\u0148ov\u00e9 um\u011bl\u00e9 st\u00e1rnut\u00ed<\/td><\/tr><tr><td>T6 \/ T63<\/td><td>~370\u2013390<\/td><td>~310\u2013345<\/td><td>~10-12<\/td><td>Roztokov\u00e9 tepeln\u00e9 zpracov\u00e1n\u00ed a um\u011bl\u00e9 st\u00e1rnut\u00ed<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Jedn\u00e1 se o typick\u00e9 hodnoty pro v\u00fdlisky, p\u0159evzat\u00e9 z tabulek vlastnost\u00ed ASTM B221 a EN 755-2 a z \u00fadaj\u016f v\u00fdrobc\u016f. Publikovan\u00e9 hodnoty pro 7005 se li\u0161\u00ed podle zdroje a podle tvaru v\u00fdrobku, proto tabulku berte jako pl\u00e1novac\u00ed referenci, nikoli jako specifikaci. Zaru\u010den\u00e9 minimum pro va\u0161i objedn\u00e1vku je stanoveno rozhoduj\u00edc\u00ed normou, ASTM B221 nebo EN 755-2, a uvedeno na MTC.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7005 vs. 6061 vs. 7075<\/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\/7005-aluminum-alloy-comparison.webp\" alt=\"7005-aluminum-alloy-comparison\" class=\"wp-image-10710\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-alloy-comparison.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-alloy-comparison-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-alloy-comparison-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-alloy-comparison-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-alloy-comparison-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Slitina \/ stav<\/td><td>Pevnost v tahu (MPa)<\/td><td>Mez kluzu (MPa)<\/td><td>Sva\u0159itelnost<\/td><td>Koroze<\/td><td>Nejvhodn\u011bj\u0161\u00ed pou\u017eit\u00ed<\/td><\/tr><tr><td><a href=\"https:\/\/premiumalu.com\/cs\/kompletni-pruvodce-hlinikem-6061\/\">6061-T6<\/a><\/td><td>~310<\/td><td>~276<\/td><td>Vynikaj\u00edc\u00ed<\/td><td>Dobr\u00fd<\/td><td>Univerz\u00e1ln\u00ed konstruk\u010dn\u00ed pr\u00e1ce; snadn\u00e9 tv\u00e1\u0159en\u00ed a eloxov\u00e1n\u00ed<\/td><\/tr><tr><td>7005-T5<\/td><td>~345<\/td><td>~290<\/td><td>Vynikaj\u00edc\u00ed<\/td><td>Dobr\u00e9 pro 7xxx<\/td><td>Sva\u0159ovan\u00e9 vysokopevnostn\u00ed r\u00e1my a profily<\/td><\/tr><tr><td><a href=\"https:\/\/premiumalu.com\/cs\/zvladnuti-hlinikove-slitiny-7075-t651-komplexni-pruvodce\/\">7075-T6<\/a><\/td><td>~572<\/td><td>~503<\/td><td>\u0160patn\u00fd<\/td><td>Omezen\u00e9<\/td><td>Leteck\u00e9 a jin\u00e9 d\u00edly s maxim\u00e1ln\u00ed pevnost\u00ed<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">P\u0159i \u010dten\u00ed tabulky si nejprve polo\u017ete jednu ot\u00e1zku: bude sou\u010d\u00e1st sva\u0159ov\u00e1na? Pokud ano, 7075 ze seznamu vypad\u00e1v\u00e1, proto\u017ee nen\u00ed tavn\u011b sva\u0159iteln\u00e1, a 7005 je siln\u011bj\u0161\u00ed ze dvou zb\u00fdvaj\u00edc\u00edch mo\u017enost\u00ed \u2014 p\u0159ibli\u017en\u011b o 11 % vy\u0161\u0161\u00ed pevnost v tahu ne\u017e 6061-T6 v z\u00e1kladn\u00edm materi\u00e1lu a je\u0161t\u011b mnohem v\u011bt\u0161\u00ed rozd\u00edl po vytvo\u0159en\u00ed spoje. Pokud je sou\u010d\u00e1st obr\u00e1b\u011bna a nikdy se nesva\u0159uje, ni\u017e\u0161\u00ed cena, snadn\u011bj\u0161\u00ed tv\u00e1\u0159en\u00ed a \u0161ir\u0161\u00ed dostupnost materi\u00e1lu u 6061 obvykle p\u0159ev\u00e1\u017e\u00ed nad m\u00edrnou pevnostn\u00ed v\u00fdhodou 7005.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pr\u00e1ce s 7005<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Sva\u0159ov\u00e1n\u00ed<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">7005 je nejl\u00e9pe sva\u0159iteln\u00e1 z b\u011b\u017en\u00fdch slitin 7xxx, a d\u016fvodem je v\u00fd\u0161e uveden\u00e1 chemie: \u017e\u00e1dn\u00e1 m\u011b\u010f, kter\u00e1 by zp\u016fsobovala hork\u00e9 trhliny, a zirkonium udr\u017euj\u00edc\u00ed jemnou strukturu zrn. Sva\u0159ujte ji p\u0159\u00eddavn\u00fdm materi\u00e1lem 5356 (ER5356 \/ EN ISO 18273 S Al 5356). Tam, kde z\u00e1le\u017e\u00ed na vy\u0161\u0161\u00ed pevnosti ve stavu po sva\u0159ov\u00e1n\u00ed, je alternativou 5183.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sva\u0159ov\u00e1n\u00ed st\u00e1le zm\u011bk\u010duje tepeln\u011b ovlivn\u011bnou z\u00f3nu. Co v\u0161ak 7005 odli\u0161uje, je zp\u016fsob, jak\u00fdm se obnovuje. Cyklus st\u00e1rnut\u00ed po sva\u0159ov\u00e1n\u00ed znovu vysr\u00e1\u017e\u00ed zpev\u0148uj\u00edc\u00ed f\u00e1zi a pozvedne spoj zp\u011bt sm\u011brem k pevnosti z\u00e1kladn\u00edho materi\u00e1lu, bez nutnosti \u00fapln\u00e9ho nov\u00e9ho rozpou\u0161t\u011bc\u00edho zpracov\u00e1n\u00ed a kalen\u00ed. Proto se r\u00e1my a kolejov\u00e9 konstrukce z 7005 sva\u0159uj\u00ed, nech\u00e1vaj\u00ed st\u00e1rnout a expeduj\u00ed, m\u00edsto aby se jako hotov\u00fd celek znovu tepeln\u011b zpracov\u00e1valy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Navrhujte podle hodnot ve stavu po sva\u0159ov\u00e1n\u00ed a po st\u00e1rnut\u00ed, nikoli podle sloupce pro z\u00e1kladn\u00ed materi\u00e1l T6. P\u0159ed vyd\u00e1n\u00edm v\u00fdkresu si \u010d\u00edsla ov\u011b\u0159te proti MTC.<\/p>\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\/7005-aluminum-weld-and-age.webp\" alt=\"7005-aluminum-weld-and-age\" class=\"wp-image-10711\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-weld-and-age.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-weld-and-age-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-weld-and-age-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-weld-and-age-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-weld-and-age-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Obr\u00e1b\u011bn\u00ed<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">7005 se obr\u00e1b\u00ed obt\u00ed\u017en\u011bji ne\u017e 6061, proto po\u010d\u00edtejte s v\u011bt\u0161\u00edm opot\u0159eben\u00edm n\u00e1stroj\u016f a s vy\u0161\u0161\u00ed pot\u0159ebou ostr\u00e9ho n\u00e1stroje s velk\u00fdm \u00fahlem \u010dela a tuh\u00e9ho upnut\u00ed. T53 a T6 dosahuj\u00ed \u010dist\u0161\u00edho povrchu ne\u017e O. Proto\u017ee stavy 7xxx jsou citliv\u00e9 na vruby, vyhn\u011bte se v\u00fdrazn\u00e9mu tv\u00e1\u0159en\u00ed za studena po st\u00e1rnut\u00ed \u2014 tva\u0159te ve stavu O a pot\u00e9 tepeln\u011b zpracujte.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Korozn\u00ed ochrana<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u011b\u010f je t\u00edm, co \u010din\u00ed 7075 citlivou na korozi, a 7005 ji udr\u017euje na maximu 0,10 %, tak\u017ee jej\u00ed korozn\u00ed odolnost je na slitinu 7xxx dobr\u00e1. St\u00e1le v\u0161ak zaost\u00e1v\u00e1 za rodinou 6xxx. Pro mo\u0159sk\u00e9, pob\u0159e\u017en\u00ed nebo vlhk\u00e9 prost\u0159ed\u00ed ji eloxujte nebo nat\u0159ete; p\u0159\u00edm\u00e9 pono\u0159en\u00ed do chloridov\u00e9ho prost\u0159ed\u00ed nen\u00ed jej\u00ed \u00falohou. Tam, kde se trval\u00e9 nap\u011bt\u00ed setk\u00e1v\u00e1 s tepl\u00fdmi a vlhk\u00fdmi podm\u00ednkami, dejte p\u0159ednost T53 p\u0159ed maxim\u00e1ln\u011b vytvrzen\u00fdm T6 \u2014 vym\u011bn\u00ed trochu pevnosti za lep\u0161\u00ed odolnost proti korozn\u00edmu prask\u00e1n\u00ed za nap\u011bt\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Provozn\u00ed teplota<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Berte 7005 jako konstruk\u010dn\u00ed slitinu pro pokojovou teplotu. Jako ka\u017ed\u00e1 precipita\u010dn\u011b vytvrzovan\u00e1 jakost i ona p\u0159i rostouc\u00ed provozn\u00ed teplot\u011b p\u0159est\u00e1rne a ztr\u00e1c\u00ed pevnost, proto u ka\u017ed\u00e9 hork\u00e9 aplikace ov\u011b\u0159te \u00fadaje podle konstruk\u010dn\u00edch dat specifick\u00fdch pro dan\u00fd stav, m\u00edsto abyste p\u0159edpokl\u00e1dali, \u017ee hodnoty pro pokojovou teplotu plat\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Aplikace<\/h2>\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\/7005-aluminum-applications.webp\" alt=\"7005-aluminum-applications\" class=\"wp-image-10712\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-applications.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-applications-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-applications-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-applications-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-applications-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>R\u00e1my j\u00edzdn\u00edch kol a sva\u0159ovan\u00e9 sportovn\u00ed vybaven\u00ed, jako jsou rakety a p\u00e1lky<\/li>\n\n\n\n<li>Sk\u0159\u00edn\u011b kolejov\u00fdch a metrov\u00fdch voz\u016f a sva\u0159ovan\u00e9 konstruk\u010dn\u00ed prvky<\/li>\n\n\n\n<li>R\u00e1my n\u00e1kladn\u00edch automobil\u016f, p\u0159\u00edv\u011bs\u016f a kontejner\u016f \u2014 p\u0159\u00ed\u010dn\u00edky, bo\u010dn\u00ed sloupky a v\u00fdztuhy<\/li>\n\n\n\n<li>Mosty a architektonick\u00e9 sva\u0159ovan\u00e9 r\u00e1my<\/li>\n\n\n\n<li>Tepeln\u00e9 v\u00fdm\u011bn\u00edky a sva\u0159ovan\u00e9 sestavy, kde je op\u011btovn\u00e9 rozpou\u0161t\u011bc\u00ed \u017e\u00edh\u00e1n\u00ed po sva\u0159ov\u00e1n\u00ed nepraktick\u00e9<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Krit\u00e9ria pou\u017eit\u00ed \/ nepou\u017eit\u00ed<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Go \u2014 specifikujte 7005, kdy\u017e:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sva\u0159ovan\u00e1 sestava pot\u0159ebuje v\u00edce ne\u017e p\u0159ibli\u017en\u011b 290 MPa meze kluzu a st\u00e1rnut\u00ed po sva\u0159ov\u00e1n\u00ed m\u016f\u017ee obnovit spoj.<\/li>\n\n\n\n<li>Sva\u0159itelnost je d\u016fle\u017eit\u011bj\u0161\u00ed ne\u017e \u0161pi\u010dkov\u00e1 pevnost, proto\u017ee 7005 se sva\u0159uje a znovu st\u00e1rne tam, kde 7075 nem\u016f\u017ee.<\/li>\n\n\n\n<li>D\u00edl je v\u00fdlisek a m\u00edrn\u00fd n\u00e1r\u016fst pevnosti oproti 6061 stoj\u00ed za mal\u00fd kompromis v korozn\u00ed odolnosti.<\/li>\n\n\n\n<li>Je pl\u00e1nov\u00e1no povlakov\u00e1n\u00ed nebo eloxov\u00e1n\u00ed pro venkovn\u00ed pou\u017eit\u00ed.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>No-Go \u2014 hledejte jinde, kdy\u017e:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Je po\u017eadov\u00e1na \u0161pi\u010dkov\u00e1 leteck\u00e1 pevnost nad p\u0159ibli\u017en\u011b 500 MPa meze kluzu. To je <a href=\"https:\/\/premiumalu.com\/cs\/zvladnuti-hlinikove-slitiny-7075-t651-komplexni-pruvodce\/\">7075<\/a> nebo teritorium 7055.<\/li>\n\n\n\n<li>D\u00edl je siln\u011b obr\u00e1b\u011bn\u00fd a nikdy se nesva\u0159uje. 6061 je levn\u011bj\u0161\u00ed, l\u00e9pe se tv\u00e1\u0159\u00ed a je \u0161iroce skladem.<\/li>\n\n\n\n<li>O\u010dek\u00e1v\u00e1 se p\u0159\u00edm\u00e9 pono\u0159en\u00ed do slan\u00e9 vody bez povlaku. Pou\u017eijte 5083 nebo stupe\u0148 6xxx.<\/li>\n\n\n\n<li>Je pl\u00e1nov\u00e1no siln\u00e9 tv\u00e1\u0159en\u00ed za studena po st\u00e1rnut\u00ed. Tva\u0159te v O, pot\u00e9 tepeln\u011b zpracujte.<\/li>\n<\/ul>\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\/7005-aluminum-selection-boundaries.webp\" alt=\"7005-aluminum-selection-boundaries\" class=\"wp-image-10713\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-selection-boundaries.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-selection-boundaries-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-selection-boundaries-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-selection-boundaries-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/7005-aluminum-selection-boundaries-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Pozn\u00e1mky k z\u00e1sobov\u00e1n\u00ed: Co potvrdit p\u0159ed objedn\u00e1vkou<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">7005 je p\u0159edev\u0161\u00edm v\u00fdliskov\u00e1 slitina. Ty\u010de, trubky a profily dle ASTM B221 nebo EN 755-2 jsou standardn\u00ed rozsah a plechy nebo p\u00e1sy spadaj\u00ed pod jinou specifikaci \u2014 proto v popt\u00e1vce uve\u010fte formu a jej\u00ed \u0159\u00edd\u00edc\u00ed normu. Cokoli mimo tento rozsah, od nestandardn\u00edho pr\u016f\u0159ezu po zak\u00e1zkov\u00fd profil, se vyr\u00e1b\u00ed podle v\u00fdkresu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u010cty\u0159i \u0159\u00e1dky ve specifikaci odvedou v\u011bt\u0161inu pr\u00e1ce: \u0159\u00edd\u00edc\u00ed norma, stav (T5, T53 nebo T6), \u0159\u00edd\u00edc\u00ed tlou\u0161\u0165ka st\u011bny \u2014 minim\u00e1ln\u00ed mechanick\u00e9 hodnoty z\u00e1vis\u00ed na tlou\u0161\u0165ce \u2014 a \u00farove\u0148 dokumentace.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Co se t\u00fd\u010de dokument\u016f, MTC, kter\u00e9 se p\u0159ilo\u017e\u00ed ke ka\u017ed\u00e9 objedn\u00e1vce, uv\u00e1d\u00ed skute\u010dn\u00e9 chemick\u00e9 slo\u017een\u00ed a v\u00fdsledky mechanick\u00fdch zkou\u0161ek pro danou \u0161ar\u017ei. Pokud projekt vy\u017eaduje nez\u00e1visl\u00e9 ov\u011b\u0159en\u00ed, vy\u017e\u00e1dejte si zpr\u00e1vy SGS. V\u0161imn\u011bte si rozd\u00edlu mezi \u00farovn\u011bmi certifik\u00e1t\u016f: EN 10204 3.1 je podeps\u00e1n vlastn\u00edm autorizovan\u00fdm inspek\u010dn\u00edm z\u00e1stupcem v\u00fdrobce, zat\u00edmco 3.2 p\u0159id\u00e1v\u00e1 nez\u00e1vislou t\u0159et\u00ed stranu, jako je z\u00e1stupce z\u00e1kazn\u00edka nebo org\u00e1n jako T\u00dcV, BV, SGS nebo DNV.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/premiumalu.com\/cs\/produkt\/slitina-hliniku-7005\/\" data-type=\"product\" data-id=\"2950\">hlin\u00edku 7005<\/a> je sva\u0159iteln\u00fd vysokopevnostn\u00ed stupe\u0148 7xxx \u2014 pevn\u011bj\u0161\u00ed ne\u017e 6061 a mnohem sva\u0159iteln\u011bj\u0161\u00ed ne\u017e 7075 \u2014 ale st\u00e1le ztr\u00e1c\u00ed \u010d\u00e1st korozn\u00ed odolnosti ve prosp\u011bch rodiny 6xxx a ploch\u00e9 v\u00e1lcovan\u00e9 formy spadaj\u00ed pod jinou specifikaci ne\u017e rozsah v\u00fdlisk\u016f.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dod\u00e1v\u00e1me 7005 jako v\u00fdliskov\u00fd profil, ty\u010d a trubku a vyr\u00e1b\u00edme zak\u00e1zkov\u00e9 tvary, rozm\u011bry a stavy podle va\u0161eho v\u00fdkresu prost\u0159ednictv\u00edm v\u00fdroby s n\u00edzk\u00fdm MOQ s dodac\u00edmi lh\u016ftami 10\u201360 dn\u00ed. Ke ka\u017ed\u00e9 objedn\u00e1vce se p\u0159ikl\u00e1d\u00e1 MTC.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/premiumalu.com\/cs\/kontakt\/\" data-type=\"page\" data-id=\"350\">Po\u0161lete n\u00e1m v\u00fdkres<\/a> s stavem a sva\u0159ovac\u00edm postupem pro kontrolu formy, stavu a dostupnosti.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Jak\u00e9 je minim\u00e1ln\u00ed mno\u017estv\u00ed objedn\u00e1vky a dodac\u00ed lh\u016fta pro 7005?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Standardn\u00ed stavy a rozm\u011bry se dod\u00e1vaj\u00ed ze skladu. Nestandardn\u00ed stavy a zak\u00e1zkov\u00e9 rozm\u011bry se vyr\u00e1b\u011bj\u00ed jako v\u00fdroba s n\u00edzk\u00fdm MOQ, obvykle 10\u201360 dn\u00ed, v z\u00e1vislosti na slitin\u011b, rozm\u011bru a zpracov\u00e1n\u00ed. Po\u0161lete v\u00fdkres a mno\u017estv\u00ed, aby oboj\u00ed mohlo b\u00fdt potvrzeno.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Jak\u00e9 dokumenty se dod\u00e1vaj\u00ed s objedn\u00e1vkou 7005?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ke ka\u017ed\u00e9 objedn\u00e1vce se p\u0159ikl\u00e1d\u00e1 MTC a nese chemick\u00e9 a mechanick\u00e9 v\u00fdsledky pro danou \u0161ar\u017ei. Nez\u00e1visl\u00e9 ov\u011b\u0159en\u00ed je k dispozici na vy\u017e\u00e1d\u00e1n\u00ed prost\u0159ednictv\u00edm chemick\u00fdch, mechanick\u00fdch nebo ultrazvukov\u00fdch zpr\u00e1v SGS za p\u0159\u00edplatek. EN 10204 3.2 p\u0159id\u00e1v\u00e1 spolupodpis t\u0159et\u00ed strany.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Dod\u00e1v\u00e1te 7005 ve stavu T53 a v nestandardn\u00edch pr\u016f\u0159ezech?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ano. Ty\u010d, trubka a profil se dod\u00e1vaj\u00ed dle ASTM B221 nebo EN 755-2 a pr\u016f\u0159ezy, rozm\u011bry nebo stavy mimo tento rozsah se vyr\u00e1b\u011bj\u00ed podle va\u0161eho v\u00fdkresu na b\u00e1zi n\u00edzk\u00e9ho MOQ, obvykle 10\u201360 dn\u00ed. Po\u0161lete v\u00fdkres s uveden\u00edm \u0159\u00edd\u00edc\u00ed normy.<\/p>","protected":false},"excerpt":{"rendered":"<p>7005 is the more widely used of the two copper-free 7xxx welding alloys: an Al-Zn-Mg grade held to 0.10% copper with a deliberate zirconium addition, supplied mainly as extrusion for welded frames and transport structures. The low copper is what makes the difference. It lets a welded joint age back toward parent strength instead of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":10708,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"7005 Aluminum Alloy: Properties, Strength and Welding Guide","_seopress_titles_desc":"7005 aluminum is the 7xxx alloy you can weld: Zn-Mg-Mn-Zr chemistry, typical T5, T53 and T6 data, welding and corrosion limits, and how it compares with 6061 and 7075.","_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-8575","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-7000-series-aluminum"],"_links":{"self":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/8575","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/comments?post=8575"}],"version-history":[{"count":2,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/8575\/revisions"}],"predecessor-version":[{"id":10714,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/8575\/revisions\/10714"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media\/10708"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media?parent=8575"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/categories?post=8575"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/tags?post=8575"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}