{"id":8153,"date":"2025-03-02T13:58:30","date_gmt":"2025-03-02T13:58:30","guid":{"rendered":"https:\/\/premiumalu.com\/mastering-3004-alloy-expert-tips\/"},"modified":"2026-10-07T14:53:00","modified_gmt":"2026-10-07T14:53:00","slug":"mastering-3004-alloy-expertni-tipy","status":"publish","type":"post","link":"https:\/\/premiumalu.com\/cs\/mastering-3004-alloy-expert-tips\/","title":{"rendered":"Slitina hlin\u00edku 3004: Slo\u017een\u00ed, vlastnosti, stupn\u011b zpevn\u011bn\u00ed a aplikace"},"content":{"rendered":"<p class=\"wp-block-paragraph\">3004 je slitina \u0159ady 3000, po kter\u00e9 s\u00e1hnete, kdy\u017e 3003 nesta\u010d\u00ed na pevnost a 5052 je pro danou \u00falohu zbyte\u010dn\u011b p\u0159edimenzovan\u00e1. Jde o manganov\u00fd z\u00e1klad slitiny 3003 s p\u0159\u00eddavkem 0,8\u20131,3 % ho\u0159\u010d\u00edku, kter\u00fd zvy\u0161uje p\u0159edepsanou pevnost v ka\u017ed\u00e9m stavu, ani\u017e by se ztratila ta\u017enost, d\u00edky n\u00ed\u017e je tato skupina u\u017eite\u010dn\u00e1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Rozhodnut\u00ed obvykle z\u00e1vis\u00ed na t\u0159ech v\u011bcech \u2014 jakou pevnost d\u00edl pot\u0159ebuje, jak hlubok\u00fd je tah a zda je provozn\u00ed prost\u0159ed\u00ed vlhk\u00e9 nebo korozivn\u00ed. Sledujte druh\u00fd a t\u0159et\u00ed bod: pr\u00e1v\u011b p\u0159\u00eddavek ho\u0159\u010d\u00edku zp\u016fsobuje, \u017ee 3004 v chloridov\u00e9m prost\u0159ed\u00ed jamkov\u011b koroduje a na velk\u00e9m viditeln\u00e9m panelu se anodizuje nerovnom\u011brn\u011b.<\/p>\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\/3004-cover.webp\" alt=\"3004-cover\" class=\"wp-image-10660\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/3004-cover.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/3004-cover-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/3004-cover-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/3004-cover-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/3004-cover-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Co je to hlin\u00edkov\u00e1 slitina 3004?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">3004 je tv\u00e1\u0159en\u00e1 slitina \u0159ady 3000. Nen\u00ed tepeln\u011b zpracovateln\u00e1: kone\u010dn\u00e1 pevnost poch\u00e1z\u00ed ze slo\u017een\u00ed a ze zpevn\u011bn\u00ed za studena, nikoli z cyklu rozpou\u0161t\u011bc\u00edho \u017e\u00edh\u00e1n\u00ed a vytvrzov\u00e1n\u00ed. Mangan zaji\u0161\u0165uje z\u00e1kladn\u00ed pevnost a \u0159\u00edzen\u00ed rekrystalizace a ho\u0159\u010d\u00edk je p\u0159\u00eddavek, kter\u00fd zvy\u0161uje pevnost nad \u00farove\u0148 3003 bez velk\u00e9 ztr\u00e1ty tva\u0159itelnosti.<\/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>Mangan (Mn)<\/td><td>1.0\u20131.5<\/td><td>Prim\u00e1rn\u00ed zpev\u0148uj\u00edc\u00ed prvek; \u0159\u00edzen\u00ed rekrystalizace<\/td><\/tr><tr><td>Ho\u0159\u010d\u00edk (Mg)<\/td><td>0.8\u20131.3<\/td><td>Sekund\u00e1rn\u00ed zpev\u0148uj\u00edc\u00ed prvek; p\u0159\u00eddavek, kter\u00fd 3003 neobsahuje<\/td><\/tr><tr><td>K\u0159em\u00edk (Si)<\/td><td>\u22640,30<\/td><td>Limit ne\u010distot<\/td><\/tr><tr><td>\u017delezo (Fe)<\/td><td>\u22640,70<\/td><td>Limit ne\u010distot<\/td><\/tr><tr><td>M\u011b\u010f (Cu)<\/td><td>\u22640,25<\/td><td>Udr\u017eov\u00e1no na n\u00edzk\u00e9 \u00farovni pro korozn\u00ed odolnost<\/td><\/tr><tr><td>Zinek (Zn)<\/td><td>\u22640,25<\/td><td>Limit stopov\u00fdch prvk\u016f<\/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\">Rozsahy odpov\u00eddaj\u00ed EN 573-3 a registraci AA \u2014 EN AW-3004, chemick\u00e9 ozna\u010den\u00ed AlMn1Mg1, UNS A93004. Hustota je p\u0159ibli\u017en\u011b 2,72 g\/cm\u00b3 a rozsah taven\u00ed za\u010d\u00edn\u00e1 kolem 630 \u00b0C.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Forma je d\u016fle\u017eit\u00e1 p\u0159edev\u0161\u00edm. Plech a svitek jsou standardn\u00ed v\u00e1lcovan\u00fd sortiment podle ASTM B209 a EN 485-2. Ty\u010de a dr\u00e1ty se tak\u00e9 vyr\u00e1b\u011bj\u00ed a cokoli mimo standardn\u00ed sortiment \u2014 neobvykl\u00e1 tlou\u0161\u0165ka, na m\u00edru \u0159ezan\u00fd p\u0159\u00ed\u0159ez, nestandardn\u00ed stav nebo zak\u00e1zkov\u00fd profil \u2014 se vyr\u00e1b\u00ed podle v\u00fdkresu. Uve\u010fte formu a p\u0159\u00edslu\u0161nou normu v popt\u00e1vce, aby nab\u00eddka odpov\u00eddala v\u00fdkresu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Stavy a typick\u00e9 mechanick\u00e9 vlastnosti<\/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\/3004-tempers.webp\" alt=\"3004-tvary\" class=\"wp-image-10662\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/3004-tempers.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/3004-tempers-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/3004-tempers-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/3004-tempers-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/3004-tempers-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">3004 se dod\u00e1v\u00e1 bu\u010f \u017e\u00edhan\u00e1, nebo zpevn\u011bn\u00e1 za studena. V\u011bt\u0161inu objedn\u00e1vek pokr\u00fdvaj\u00ed t\u0159i stavy:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>O (\u017e\u00edhan\u00fd)<\/strong> \u2014 nejm\u011bk\u010d\u00ed a nejtv\u00e1rn\u011bj\u0161\u00ed, pou\u017e\u00edv\u00e1 se pro nejhlub\u0161\u00ed tahy a rota\u010dn\u011b tv\u00e1\u0159en\u00e9 d\u00edly.<\/li>\n\n\n\n<li><strong>H14 (\u010dtvrttvrd\u00fd)<\/strong> \u2014 zpevn\u011bn\u00fd za studena na \u00farove\u0148 \u010dtvrttvrdosti; rovnov\u00e1\u017en\u00fd bod mezi pevnost\u00ed a tva\u0159itelnost\u00ed pro panely a b\u011b\u017en\u00e9 d\u00edly.<\/li>\n\n\n\n<li><strong>H34 (\u010dtvrttvrd\u00fd, stabilizovan\u00fd)<\/strong> \u2014 stejn\u00e1 \u00farove\u0148 \u010dtvrttvrdosti jako H14, s n\u00edzkoteplotn\u00edm stabiliza\u010dn\u00edm krokem, kter\u00fd vlastnosti uzamkne.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Stavy H3x existuj\u00ed proto, \u017ee slitina 3xxx s obsahem ho\u0159\u010d\u00edku po v\u00e1lcov\u00e1n\u00ed pomalu m\u011bkne p\u0159i pokojov\u00e9 teplot\u011b. Stabilizace m\u011bn\u00ed tento drift na pevn\u00fd, reprodukovateln\u00fd stav, a proto se materi\u00e1l pro plechovky a dal\u0161\u00ed velkoobjemov\u00e9 d\u00edly p\u0159edepisuje v s\u00e9rii H3x a v extra tvrd\u00e9m H19 nam\u00edsto H14.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Temperament<\/td><td>Pevnost v tahu, Rm (MPa)<\/td><td>Mez kluzu, Rp0,2 (MPa)<\/td><td>Prodlou\u017een\u00ed (%)<\/td><\/tr><tr><td>O<\/td><td>155\u2013200<\/td><td>min. 60<\/td><td>14 min<\/td><\/tr><tr><td>H14<\/td><td>220\u2013265<\/td><td>180 min<\/td><td>min. 2<\/td><\/tr><tr><td>H34<\/td><td>220\u2013265<\/td><td>170 min<\/td><td>min. 4<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Jde o p\u0159edepsan\u00e9 rozsahy a minima z EN 485-2 pro plech a p\u00e1s z EN AW-3004, tabelovan\u00e9 podle tlou\u0161\u0165kov\u00e9 t\u0159\u00eddy, nikoli o marketingov\u00e9 pr\u016fm\u011bry. H14 a H34 se nach\u00e1zej\u00ed na stejn\u00e9 pevnostn\u00ed \u00farovni, proto\u017ee oba jsou \u010dtvrttvrd\u00e9: stabilizace m\u00edrn\u011b sni\u017euje mez kluzu a z\u00edsk\u00e1v\u00e1 zp\u011bt ta\u017enost, a proto je H34 bezpe\u010dn\u011bj\u0161\u00ed volbou tam, kde mus\u00ed vlastnosti vydr\u017eet dlouhou skladovatelnost nebo tepl\u00e9 provozn\u00ed podm\u00ednky. Tvrd\u0161\u00ed stavy roz\u0161i\u0159uj\u00ed rozsah, p\u0159i\u010dem\u017e H16 a H18 na stran\u011b EN a H36 a H38 na stran\u011b ASTM dosahuj\u00ed 240\u2013285 MPa a v\u00edce.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tabulku berte jako n\u00e1vrhov\u00e1 minima. Minim\u00e1ln\u00ed hodnoty se m\u011bn\u00ed s tlou\u0161\u0165kou a sm\u011brem zkou\u0161en\u00ed a \u010d\u00edsla, kter\u00e1 jsou pro danou objedn\u00e1vku rozhoduj\u00edc\u00ed, jsou ta na jej\u00edm hutn\u00edm atestu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3004 vs 3003, 5052 a 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\/can-body-and-end.webp\" alt=\"t\u011blo-a-dno-plechovky\" class=\"wp-image-10661\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/can-body-and-end.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/can-body-and-end-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/can-body-and-end-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/can-body-and-end-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/can-body-and-end-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, Rm (MPa)<\/td><td>Mez kluzu, Rp0,2 (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\/produkt\/slitina-hliniku-3003\/\">3003-H14<\/a><\/td><td>140\u2013180<\/td><td>115 min<\/td><td>Vynikaj\u00edc\u00ed<\/td><td>Dobr\u00fd<\/td><td>Nejlevn\u011bj\u0161\u00ed cesta pro lehk\u00e9 tv\u00e1\u0159en\u00ed<\/td><\/tr><tr><td>3004-H14 \/ H34<\/td><td>220\u2013265<\/td><td>min. 170\u2013180<\/td><td>V\u00fdborn\u00e1; TOO se vy\u017e\u00edh\u00e1<\/td><td>Dobr\u00e1 v atmosf\u00e9\u0159e; ne pro holou slanou vodu<\/td><td>V\u00ed\u010dka plechovek, st\u0159e\u0161n\u00ed krytiny, palivov\u00e9 n\u00e1dr\u017ee, rota\u010dn\u011b tv\u00e1\u0159en\u00e9 d\u00edly<\/td><\/tr><tr><td><a href=\"https:\/\/premiumalu.com\/cs\/produkt\/slitina-hliniku-5052\/\">5052-H32<\/a><\/td><td>215\u2013265<\/td><td>160 min<\/td><td>Vynikaj\u00edc\u00ed<\/td><td>Velmi dobr\u00e1, v\u010detn\u011b mo\u0159sk\u00e9ho prost\u0159ed\u00ed<\/td><td>Mo\u0159sk\u00e9 aplikace a sva\u0159ovan\u00e9 n\u00e1dr\u017ee<\/td><\/tr><tr><td><a href=\"https:\/\/premiumalu.com\/cs\/produkt\/slitina-hliniku-6061\/\">6061-T6<\/a><\/td><td>~310<\/td><td>~276<\/td><td>Dobr\u00fd<\/td><td>Dobr\u00fd<\/td><td>Konstruk\u010dn\u00ed a sva\u0159ovan\u00e9 d\u00edly vy\u017eaduj\u00edc\u00ed pevnost po sva\u0159ov\u00e1n\u00ed<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Hodnoty pro 3004, 3003 a 5052 jsou p\u0159edepsan\u00e9 hodnoty z EN 485-2 a ASTM B209 pro b\u011b\u017en\u00e9 tlou\u0161\u0165ky plechu; 6061-T6 jsou typick\u00e9 hutn\u00ed \u00fadaje. Minima se m\u011bn\u00ed s tlou\u0161\u0165kou.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3004 vs 3003<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Stejn\u00fd manganov\u00fd z\u00e1klad, stejn\u00e9 korozn\u00ed chov\u00e1n\u00ed, stejn\u00fd p\u0159\u00edstup ke sva\u0159ov\u00e1n\u00ed; rozd\u00edl je v 0,8\u20131,3 % ho\u0159\u010d\u00edku, kter\u00fd 3003 neobsahuje. Tento p\u0159\u00eddavek zvy\u0161uje p\u0159edepsanou pevnost v ka\u017ed\u00e9m stavu \u2014 3004-H14 dosahuje 220\u2013265 MPa oproti p\u0159ibli\u017en\u011b 140\u2013180 MPa u 3003-H14. Tva\u0159itelnost z\u016fst\u00e1v\u00e1 bl\u00edzk\u00e1, tak\u017ee 3004 nahrazuje 3003 v\u0161ude tam, kde d\u00edl pot\u0159ebuje vy\u0161\u0161\u00ed pevnost, ani\u017e by se p\u0159e\u0161lo na 5xxx nebo tepeln\u011b zpracovatelnou jakost. Pro \u0161ir\u0161\u00ed pohled na \u0159adu 3000 viz <a href=\"https:\/\/premiumalu.com\/cs\/vyber-dokonaleho-hlinikoveho-plechu-3104-vs-3003-vs-3004-slitiny\/\">3104 vs 3003 vs 3004 sheet comparison<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3004 vs 5052<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">5052 obsahuje v\u00edce ho\u0159\u010d\u00edku (2,2\u20132,8 %) a je o n\u011bco pevn\u011bj\u0161\u00ed, s v\u00fdrazn\u011b lep\u0161\u00edm v\u00fdkonem ve slan\u00e9 vod\u011b a mo\u0159sk\u00e9 atmosf\u00e9\u0159e. Kompromisem jsou n\u00e1klady a ta\u017enost: 3004 se sn\u00e1ze tv\u00e1\u0159\u00ed a tah\u00e1 a je obvyklou volbou pro v\u00ed\u010dka plechovek, uz\u00e1v\u011bry a stavebn\u00ed v\u00fdrobky, zat\u00edmco 5052 se up\u0159ednost\u0148uje pro trupy, paluby a sva\u0159ovan\u00e9 n\u00e1dr\u017ee. Porovnejte skladov\u00e9 formy na <a href=\"https:\/\/premiumalu.com\/cs\/produkt\/slitina-hliniku-5052\/\">produktov\u00e9 str\u00e1nce 5052<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3004 vs 6061<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">6061 je tepeln\u011b zpracovateln\u00e1, tak\u017ee v T6 dosahuje p\u0159ibli\u017en\u011b 310 MPa v tahu \u2014 v\u00fdrazn\u011b nad v\u0161\u00edm, co 3004 poskytuje \u2014 ale je obt\u00ed\u017en\u011bj\u0161\u00ed pro hlubok\u00fd tah a jinak se zpev\u0148uje za studena. 3004 v\u00edt\u011bz\u00ed v tva\u0159itelnosti a je lep\u0161\u00ed volbou pro rota\u010dn\u011b tv\u00e1\u0159en\u00fd nebo ta\u017een\u00fd plech; 6061 v\u00edt\u011bz\u00ed, kdy\u017e je d\u00edl konstruk\u010dn\u00ed nebo sva\u0159ovan\u00fd a pot\u0159ebuje pevnost po sva\u0159ov\u00e1n\u00ed. Viz <a href=\"https:\/\/premiumalu.com\/cs\/produkt\/slitina-hliniku-6061\/\">produktovou str\u00e1nku 6061<\/a> pro dostupn\u00e9 formy.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pr\u00e1ce s 3004<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Tvarov\u00e1n\u00ed<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tva\u0159itelnost za studena je dobr\u00e1, s men\u0161\u00edm odpru\u017een\u00edm ne\u017e u plechu 5xxx nebo 6xxx. Pro nejhlub\u0161\u00ed tahy pou\u017eijte O a tam, kde tv\u00e1\u0159en\u00fd d\u00edl pot\u0159ebuje tak\u00e9 pevnost, H14 nebo H34. Minim\u00e1ln\u00ed polom\u011bry ohybu rostou se stavem a tlou\u0161\u0165kou: stav O se ohne p\u0159ibli\u017en\u011b p\u0159i sv\u00e9 vlastn\u00ed tlou\u0161\u0165ce nebo m\u00e9n\u011b, stavy H3x pot\u0159ebuj\u00ed v\u00edce a standardn\u00ed tabulky polom\u011br\u016f ohybu jsou tabelov\u00e1ny podle stavu a tlou\u0161\u0165ky.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Sva\u0159ov\u00e1n\u00ed<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">3004 se snadno sva\u0159uje metodou TIG nebo MIG. Pro nejlep\u0161\u00ed odolnost proti prask\u00e1n\u00ed a tekutost pou\u017eijte p\u0159\u00eddavn\u00fd materi\u00e1l 4043, nebo 5356 tam, kde z\u00e1le\u017e\u00ed na vy\u0161\u0161\u00ed pevnosti spoje a bli\u017e\u0161\u00ed shod\u011b barvy po anodizaci.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Proto\u017ee 3004 nen\u00ed tepeln\u011b zpracovateln\u00e1 a je zpevn\u011bn\u00e1 za studena, teplo ze sva\u0159ov\u00e1n\u00ed vy\u017e\u00edh\u00e1 tepeln\u011b ovlivn\u011bnou z\u00f3nu zp\u011bt sm\u011brem ke stavu O a \u017e\u00e1dn\u00e9 tepeln\u00e9 zpracov\u00e1n\u00ed ji neobnov\u00ed. Navrhujte spoj na z\u00e1klad\u011b hodnot pro vy\u017e\u00edhan\u00fd stav, nikoli na z\u00e1klad\u011b hodnot z\u00e1kladn\u00edho materi\u00e1lu H14 nebo H34 \u2014 siln\u011b zpevn\u011bn\u00fd z\u00e1kladn\u00ed materi\u00e1l m\u016f\u017ee v TOO ztratit velk\u00fd pod\u00edl sv\u00e9 p\u0159edepsan\u00e9 pevnosti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Citlivost na tvorbu hork\u00fdch trhlin je n\u00edzk\u00e1 a 3004 se nach\u00e1z\u00ed bezpe\u010dn\u011b pod 3% prahem ho\u0159\u010d\u00edku, kter\u00fd p\u0159in\u00e1\u0161\u00ed limit provozn\u00ed teploty 65 \u00b0C u slitin, jako jsou 5083 a 5086. To z n\u011bj \u010din\u00ed p\u0159\u00edmo\u010darou volbu pro sva\u0159ovan\u00e9 d\u00edly, kter\u00e9 tak\u00e9 pracuj\u00ed v teple.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Obr\u00e1b\u011bn\u00ed<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Uspokojiv\u00e1, nikoli obr\u00e1b\u011bc\u00ed jakost. M\u011bkk\u00fd stav O je lepiv\u00fd a tvo\u0159\u00ed dlouh\u00e9 t\u0159\u00edsky; tvrd\u0161\u00ed stavy se obr\u00e1b\u011bj\u00ed \u010dist\u011bji. Tam, kde se d\u00edl obr\u00e1b\u00ed a nikdy se netv\u00e1\u0159\u00ed, sortiment \u0159ady 6000 zvl\u00e1d\u00e1 stejn\u00e9 \u00falohy s men\u0161\u00edmi komplikacemi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Dokon\u010dovac\u00ed pr\u00e1ce<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">3004 se anodizuje, ale intermetalick\u00e9 \u010d\u00e1stice mangan\u2013\u017eelezo ve slitin\u011b ovliv\u0148uj\u00ed \u010distotu a t\u00f3n povlaku na velk\u00fdch viditeln\u00fdch ploch\u00e1ch. Mal\u00e9 d\u00edly a funk\u010dn\u00ed povlaky jsou v po\u0159\u00e1dku. Pro architektonick\u00e9 panely a cokoli, kde z\u00e1le\u017e\u00ed na barv\u011b, je p\u0159edv\u00eddateln\u011bj\u0161\u00ed cestou lakov\u00e1n\u00ed nebo v\u00e1lcov\u00e9 lakov\u00e1n\u00ed \u2014 polyester pro b\u011b\u017en\u00e9 pou\u017eit\u00ed, PVDF tam, kde z\u00e1le\u017e\u00ed na odolnosti proti pov\u011btrnosti.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Aplikace<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>T\u011bla, dna a v\u00ed\u010dka n\u00e1pojov\u00fdch plechovek<\/li>\n\n\n\n<li>Stavebn\u00ed v\u00fdrobky: st\u0159e\u0161n\u00ed krytiny, obklady, okapy, podhledy a lakovan\u00e9 st\u011bnov\u00e9 panely<\/li>\n\n\n\n<li>N\u00e1doby: palivov\u00e9 n\u00e1dr\u017ee, plechovky na barvy a obecn\u00e9 plechov\u00e9 n\u00e1doby<\/li>\n\n\n\n<li>Osv\u011btlen\u00ed a rota\u010dn\u011b tv\u00e1\u0159en\u00e9 d\u00edly: kryty sv\u00edtidel, reflektory a dekorativn\u00ed rota\u010dn\u011b tv\u00e1\u0159en\u00e9 d\u00edly<\/li>\n\n\n\n<li>Materi\u00e1l pro lamely v\u00fdm\u011bn\u00edk\u016f tepla a klimatizac\u00ed<\/li>\n\n\n\n<li>Panely p\u0159\u00edv\u011bs\u016f a jin\u00e9 plechy pro dopravn\u00ed prost\u0159edky<\/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<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\/3004-selection-boundaries.webp\" alt=\"hranice-volby-3004\" class=\"wp-image-10664\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/3004-selection-boundaries.webp 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/3004-selection-boundaries-300x225.webp 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/3004-selection-boundaries-768x576.webp 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/3004-selection-boundaries-16x12.webp 16w, https:\/\/premiumalu.com\/wp-content\/uploads\/2026\/10\/3004-selection-boundaries-600x450.webp 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>P\u0159ejd\u011bte na \u2014 specifikujte 3004, kdy\u017e:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>D\u00edl vy\u017eaduje st\u0159edn\u00ed pevnost s dobrou tv\u00e1\u0159itelnost\u00ed za studena a je ta\u017een, rota\u010dn\u011b tv\u00e1\u0159en nebo oh\u00fdb\u00e1n \u2014 dna plechovek, kosmetick\u00e9 uz\u00e1v\u011bry, kryty sv\u00edtidel a reflektory.<\/li>\n\n\n\n<li>Atmosf\u00e9rick\u00e1 nebo pr\u016fmyslov\u00e1 koroze je nejhor\u0161\u00ed expozic\u00ed a nic nen\u00ed pono\u0159eno ve slan\u00e9 vod\u011b \u2014 st\u0159e\u0161n\u00ed krytiny, obklady, okapy a architektonick\u00e9 li\u0161ty.<\/li>\n\n\n\n<li>Pro p\u0159edv\u00eddateln\u00e9 tv\u00e1\u0159en\u00ed je preferov\u00e1n plech neztvrditeln\u00fd tepeln\u00fdm zpracov\u00e1n\u00edm \u2014 lakovan\u00e9 stavebn\u00ed panely a palivov\u00e9 n\u00e1dr\u017ee.<\/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>D\u00edl je v p\u0159\u00edm\u00e9m pono\u0159en\u00ed do slan\u00e9 vody nebo v mo\u0159sk\u00e9m pono\u0159en\u00ed bez povlaku. Rizikem je d\u016flkov\u00e1 koroze; 5052, 5083 nebo 5086 jsou lep\u0161\u00ed volbou.<\/li>\n\n\n\n<li>Konstrukce nese vysokou struktur\u00e1ln\u00ed pevnost nebo sva\u0159ovan\u00e9 zat\u011b\u017eovan\u00e9 dr\u00e1hy. 6061-T6 nebo 5052-H32 poskytuj\u00ed v\u00edce a 3004 nelze tepeln\u011b zpracovat tak, aby obnovilo to, co sva\u0159ov\u00e1n\u00ed odebere.<\/li>\n\n\n\n<li>Prioritou je viditeln\u00e9, barevn\u011b kritick\u00e9 anodizov\u00e1n\u00ed na velk\u00fdch ploch\u00e1ch. 6063 nebo 6061 se anodizuj\u00ed p\u0159edv\u00eddateln\u011bji.<\/li>\n\n\n\n<li>Hlavn\u00ed operac\u00ed je t\u011b\u017ek\u00e9 CNC obr\u00e1b\u011bn\u00ed. To si vyhrazte pro materi\u00e1l \u0159ady 6000.<\/li>\n<\/ul>\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\">Standardn\u00ed tvary a tlou\u0161\u0165ky svitk\u016f jsou skladovan\u00fdm sortimentem; neobvykl\u00e1 tlou\u0161\u0165ka, \u0161\u00ed\u0159ka nebo tvar se vyr\u00e1b\u00ed jako produkce s n\u00edzk\u00fdm MOQ, nikoli jako omezen\u00ed zak\u00e1zky. Plech a svitek pokr\u00fdvaj\u00ed v\u011bt\u0161inu objedn\u00e1vek a jin\u00e9 formy a rozm\u011bry se vyr\u00e1b\u011bj\u00ed podle va\u0161eho v\u00fdkresu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u010cty\u0159i \u0159\u00e1dky v popt\u00e1vce odvedou v\u011bt\u0161inu pr\u00e1ce:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0158\u00eddic\u00ed norma<\/strong> \u2014 ASTM B209 nebo EN 485-2 plus tvar tak, jak jej dan\u00e1 norma ozna\u010duje, proto\u017ee H14 a H32 nejsou stejn\u00e9 ozna\u010den\u00ed.<\/li>\n\n\n\n<li><strong>Tvar a tlou\u0161\u0165ka<\/strong> \u2014 specifikovan\u00e1 minima jsou tabelov\u00e1na podle tlou\u0161\u0165kov\u00e9 t\u0159\u00eddy, tak\u017ee tlou\u0161\u0165ka je sou\u010d\u00e1st\u00ed specifikace.<\/li>\n\n\n\n<li><strong>Formul\u00e1\u0159<\/strong> \u2014 plech, svitek nebo n\u011bco mimo v\u00e1lcovan\u00fd rozsah, tak\u017ee se cen\u00ed podle spr\u00e1vn\u00e9 normy.<\/li>\n\n\n\n<li><strong>\u00darove\u0148 dokumentace<\/strong> \u2014 MTC jako standard; EN 10204 3.1 nebo 3.2 tam, kde projekt vy\u017eaduje nez\u00e1visl\u00e9 ov\u011b\u0159en\u00ed.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V dokumentech MTC, kter\u00fd je p\u0159ilo\u017een ke ka\u017ed\u00e9 objedn\u00e1vce, obsahuje chemick\u00e9 a mechanick\u00e9 v\u00fdsledky pro danou \u0161ar\u017ei. 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 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\">3004 je pevn\u011bj\u0161\u00ed, st\u00e1le tv\u00e1\u0159iteln\u00fd \u010dlen rodiny 3003 a pokr\u00fdv\u00e1 v\u011bt\u0161inu toho, co pot\u0159ebuj\u00ed plechovky, st\u0159e\u0161n\u00ed krytiny a palivov\u00e9 n\u00e1dr\u017ee. P\u0159est\u00e1v\u00e1 b\u00fdt spr\u00e1vnou jakost\u00ed, jakmile zak\u00e1zka vy\u017eaduje korozn\u00ed odolnost v n\u00e1mo\u0159n\u00ed kvalit\u011b, sva\u0159ovanou struktur\u00e1ln\u00ed pevnost nebo v\u00fdkon tepeln\u011b zpracovateln\u00e9ho materi\u00e1lu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dod\u00e1v\u00e1me 3004 jako plech a svitek a vyr\u00e1b\u00edme zak\u00e1zkov\u00e9 tlou\u0161\u0165ky, \u0161\u00ed\u0159ky a tvary podle va\u0161eho v\u00fdkresu prost\u0159ednictv\u00edm produkce s n\u00edzk\u00fdm MOQ s dodac\u00edmi lh\u016ftami 10\u201360 dn\u00ed. Ke ka\u017ed\u00e9 objedn\u00e1vce je p\u0159ilo\u017een MTC.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Za\u0161lete v\u00fdkres nebo specifika\u010dn\u00ed list pro kontrolu vhodnosti tvaru a tlou\u0161\u0165ky a cenovou nab\u00eddku.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Mohu pou\u017e\u00edt 3004 tam, kde je d\u00edl sva\u0159ov\u00e1n a nese zat\u00ed\u017een\u00ed?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ne pro prim\u00e1rn\u00ed zat\u011b\u017eovanou dr\u00e1hu. Sva\u0159ov\u00e1n\u00ed \u017e\u00edh\u00e1 tepeln\u011b ovlivn\u011bnou z\u00f3nu zp\u011bt sm\u011brem k O a \u017e\u00e1dn\u00e9 tepeln\u00e9 zpracov\u00e1n\u00ed ji neobnov\u00ed, proto\u017ee slitina nen\u00ed ztvrditeln\u00e1 tepeln\u00fdm zpracov\u00e1n\u00edm. Dimenzujte sva\u0159ovan\u00e9 spoje na \u017e\u00edhan\u00e9 hodnoty nebo p\u0159esu\u0148te zat\u011b\u017eovanou dr\u00e1hu na 6061-T6 nebo 5052-H32.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Jak\u00e9 je va\u0161e minim\u00e1ln\u00ed mno\u017estv\u00ed pro 3004 a jakou dodac\u00ed lh\u016ftu m\u00e1m pl\u00e1novat?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Standardn\u00ed tvary a tlou\u0161\u0165ky svitk\u016f se expeduj\u00ed ze skladu; v\u0161e ostatn\u00ed se vyr\u00e1b\u00ed jako produkce s n\u00edzk\u00fdm MOQ, obvykle 10\u201360 dn\u00ed. Plech a svitek pokr\u00fdvaj\u00ed v\u011bt\u0161inu objedn\u00e1vek a t\u011b\u017e\u0161\u00ed plech nebo nestandardn\u00ed tvar se vyr\u00e1b\u00ed podle va\u0161eho v\u00fdkresu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Jak\u00e1 dokumentace se p\u0159ikl\u00e1d\u00e1 k objedn\u00e1vce 3004?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Hutn\u00ed osv\u011bd\u010den\u00ed (MTC) uv\u00e1d\u011bj\u00edc\u00ed skute\u010dn\u00e9 chemick\u00e9 a mechanick\u00e9 v\u00fdsledky pro va\u0161i \u0161ar\u017ei, kter\u00e9 vyd\u00e1v\u00e1me po vyroben\u00ed objedn\u00e1vky. Tam, kde projekt vy\u017eaduje nez\u00e1visl\u00e9 ov\u011b\u0159en\u00ed, EN 10204 3.2 p\u0159id\u00e1v\u00e1 spolupodpis t\u0159et\u00ed strany od org\u00e1nu, jako je T\u00dcV, BV, SGS nebo DNV.<\/p>","protected":false},"excerpt":{"rendered":"<p>3004 is the 3000-series alloy you reach for when 3003 is not strong enough and 5052 is more than the job needs. It is 3003&#8217;s manganese base with 0.8\u20131.3% magnesium added, which lifts specified strength at every temper without giving up the drawability that makes the family useful. The decision usually comes down to three [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":10660,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"3004 Aluminum Alloy: Composition, Properties, Tempers and Applications","_seopress_titles_desc":"3004 aluminum alloy offers higher strength than 3003 with excellent formability. Learn its composition, typical properties by temper, how it compares with 5052 and 6061, and where it fits your project.","_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":[173],"tags":[],"class_list":["post-8153","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-1000_3000-series-aluminum"],"_links":{"self":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/8153","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=8153"}],"version-history":[{"count":3,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/8153\/revisions"}],"predecessor-version":[{"id":10665,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/8153\/revisions\/10665"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media\/10660"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media?parent=8153"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/categories?post=8153"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/tags?post=8153"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}