{"id":8666,"date":"2025-05-05T06:20:20","date_gmt":"2025-05-05T06:20:20","guid":{"rendered":"https:\/\/premiumalu.com\/?post_type=product&p=8666"},"modified":"2026-07-08T15:01:12","modified_gmt":"2026-07-08T15:01:12","slug":"slitina-hliniku-7020","status":"publish","type":"product","link":"https:\/\/premiumalu.com\/cs\/product\/7020-aluminum-alloy\/","title":{"rendered":"Slitina hlin\u00edku 7020"},"content":{"rendered":"

Co je hlin\u00edk 7020?<\/h2>\n

7020 hlin\u00edk je st\u0159edn\u011b pevn\u00e1 tv\u00e1\u0159en\u00e1 slitina \u0159ady 7xxx, p\u0159i\u010dem\u017e hlavn\u00edmi zpev\u0148uj\u00edc\u00edmi prvky jsou zinek a ho\u0159\u010d\u00edk. Je cen\u011bna pro vynikaj\u00edc\u00ed sva\u0159itelnost, dobrou odolnost proti korozi a vysokou \u00fanavovou pevnost, co\u017e z n\u00ed \u010din\u00ed b\u011b\u017enou volbu pro sva\u0159ovan\u00e9 dopravn\u00ed a konstruk\u010dn\u00ed sestavy. Ve srovn\u00e1n\u00ed se slitinou 7075 nab\u00edz\u00ed m\u00edrn\u011b ni\u017e\u0161\u00ed maxim\u00e1ln\u00ed pevnost, ale lep\u0161\u00ed tv\u00e1\u0159ec\u00ed chov\u00e1n\u00ed, zejm\u00e9na v mo\u0159sk\u00e9m nebo vlhk\u00e9m prost\u0159ed\u00ed. Spole\u010dnost Linsy dod\u00e1v\u00e1 slitinu 7020 ve form\u011b plech\u016f, desek, trubek, ty\u010d\u00ed a dr\u00e1t\u016f s \u00fapln\u00fdmi hutn\u00edmi certifik\u00e1ty a \u0159adou tepeln\u00fdch zpracov\u00e1n\u00ed pro sva\u0159ov\u00e1n\u00ed a konstruk\u010dn\u00ed pou\u017eit\u00ed.<\/p>\n

Dostupn\u00e9 v\u00fdrobky z hlin\u00edku 7020<\/h2>\n

Plech \/ Deska<\/h3>\n

Dostupn\u00e9 stavy:<\/strong> T5, T6, T651<\/p>\n\n\n\n
Temperament<\/th>\nTlou\u0161\u0165ka (mm)<\/th>\n\u0160\u00ed\u0159ka (mm)<\/th>\nD\u00e9lka (mm)<\/th>\n<\/tr>\n
T5, T6, T651<\/td>\n0.5 \u2013 150<\/td>\n500 \u2013 2600<\/td>\n500 \u2013 16000 (\u0159ez\u00e1n\u00ed na m\u00edru)<\/td>\n<\/tr>\n<\/table>\n

Trubka<\/h3>\n

Dostupn\u00e9 stavy:<\/strong> T5, T6, T651, O<\/p>\n\n\n\n
Temperament<\/th>\nVn\u011bj\u0161\u00ed pr\u016fm\u011br (mm)<\/th>\nTlou\u0161\u0165ka st\u011bny (mm)<\/th>\nD\u00e9lka (mm)<\/th>\n<\/tr>\n
T5, T6, T651, O<\/td>\n6 \u2013 300<\/td>\n0.5 \u2013 40<\/td>\n500 \u2013 12000<\/td>\n<\/tr>\n<\/table>\n

Ty\u010d \/ Prut<\/h3>\n

Dostupn\u00e9 stavy:<\/strong> T5, T6, T651, O<\/p>\n\n\n\n
Temperament<\/th>\nPr\u016fm\u011br (mm)<\/th>\nD\u00e9lka (mm)<\/th>\n<\/tr>\n
T5, T6, T651, O<\/td>\n3 \u2013 300<\/td>\n500 \u2013 12000<\/td>\n<\/tr>\n<\/table>\n

Dr\u00e1t<\/h3>\n

Dostupn\u00e9 stavy:<\/strong> T5, T6, T651, O<\/p>\n\n\n\n
Pr\u016fm\u011br (mm)<\/th>\nHmotnost svitku<\/th>\nTolerance<\/th>\n<\/tr>\n
0.8 \u2013 30<\/td>\nMin. 50 kg<\/td>\n\u00b1 0,02 mm<\/td>\n<\/tr>\n<\/table>\n

Specifikace a ekvivalentn\u00ed ozna\u010den\u00ed<\/h2>\n

Hlin\u00edk 7020 (EN AW-7020, AlZn4.5Mg1) je dod\u00e1v\u00e1n podle b\u011b\u017en\u00fdch specifikac\u00ed pro tv\u00e1\u0159en\u00e9 slitiny. Typick\u00e9 normy podle formy: ASTM B209 (plechy a desky), ASTM B221 (protla\u010dovan\u00e9 trubky, ty\u010de a profily), ASTM B211 (ty\u010de a pruty) a ASTM B313 (sva\u0159ovan\u00e9 trubky). Vs\u00e1zkov\u00fd materi\u00e1l pro kov\u00e1n\u00ed odpov\u00edd\u00e1 norm\u011b ASTM B247. P\u0159esnou specifikaci a tepeln\u00e9 zpracov\u00e1n\u00ed v\u017edy potvr\u010fte s na\u0161\u00edm t\u00fdmem p\u0159i objedn\u00e1vce.<\/p>\n

Chemick\u00e9 slo\u017een\u00ed<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Prvek<\/th>\nProcento (%)<\/th>\n<\/tr>\n
Si<\/td>\n0,35 max<\/td>\n<\/tr>\n
Fe<\/td>\nmax 0,50<\/td>\n<\/tr>\n
Cu<\/td>\nmax 0,20<\/td>\n<\/tr>\n
Mn<\/td>\n0.20 \u2013 0.60<\/td>\n<\/tr>\n
Mg<\/td>\n1.0 \u2013 1.4<\/td>\n<\/tr>\n
Cr<\/td>\n0.10 \u2013 0.35<\/td>\n<\/tr>\n
Zn<\/td>\n4.0 \u2013 5.0<\/td>\n<\/tr>\n
Ti<\/td>\nmax 0,20<\/td>\n<\/tr>\n
Zr<\/td>\n0,10 max<\/td>\n<\/tr>\n
Ostatn\u00ed (ka\u017ed\u00fd)<\/td>\n0.05<\/td>\n<\/tr>\n
Ostatn\u00ed (celkem)<\/td>\n0.15<\/td>\n<\/tr>\n
Al<\/td>\nBilance<\/td>\n<\/tr>\n<\/table>\n

Mechanick\u00e9 vlastnosti podle zp\u016fsobu temperov\u00e1n\u00ed<\/h2>\n\n\n\n\n
Temperament<\/th>\nPevnost v tahu (MPa)<\/th>\nMez kluzu (MPa)<\/th>\nProdlou\u017een\u00ed (%)<\/th>\nPevnost ve smyku (MPa)<\/th>\n<\/tr>\n
T6<\/td>\n360 \u2013 420<\/td>\n\u2014<\/td>\n8 \u2013 12<\/td>\n~ 250<\/td>\n<\/tr>\n
T651<\/td>\n360 \u2013 420<\/td>\n\u2014<\/td>\n8 \u2013 12<\/td>\n~ 250<\/td>\n<\/tr>\n<\/table>\n

Hodnoty jsou typick\u00e9 pro uveden\u00fd stav. Poml\u010dka (\u2014) znamen\u00e1, \u017ee hodnota nebyla ve zdrojov\u00fdch datech k dispozici; potvr\u010fte ji s certifik\u00e1tem z hut\u011b. Hodnoty ozna\u010den\u00e9 hv\u011bzdi\u010dkou jsou odhady \u010dekaj\u00edc\u00ed na ov\u011b\u0159en\u00ed \u2014 viz kontroln\u00ed zpr\u00e1va.<\/p>\n

Pr\u016fvodce v\u00fdb\u011brem tvrzenosti<\/h2>\n
    \n
  • O<\/strong> \u2014 \u017d\u00edh\u00e1no, nejm\u011bk\u010d\u00ed stav pro tv\u00e1\u0159en\u00ed.<\/li>\n
  • T5<\/strong> \u2014 Ochlazeno z tv\u00e1\u0159en\u00ed za tepla a um\u011ble vytvrzeno; dobr\u00e1 pevnost s jednodu\u0161\u0161\u00edm zpracov\u00e1n\u00edm.<\/li>\n
  • T6<\/strong> \u2014 Rozpou\u0161t\u011bc\u00ed \u017e\u00edh\u00e1no a um\u011ble vytvrzeno; prim\u00e1rn\u00ed konstruk\u010dn\u00ed stav.<\/li>\n
  • T651<\/strong> \u2014 Odpru\u017een\u00fd stav T6 pro rozm\u011brovou stabilitu p\u0159i obr\u00e1b\u011bn\u00ed.<\/li>\n<\/ul>\n

    Kl\u00ed\u010dov\u00e9 charakteristiky<\/h2>\n

    Vynikaj\u00edc\u00ed sva\u0159itelnost<\/h3>\n

    Jedna z l\u00e9pe sva\u0159iteln\u00fdch slitin \u0159ady 7xxx; \u0161iroce pou\u017e\u00edvan\u00e1 ve sva\u0159ovan\u00fdch konstrukc\u00edch.<\/p>\n

    Dobr\u00e1 \u00fanavov\u00e1 pevnost<\/h3>\n

    Vynikaj\u00edc\u00ed chov\u00e1n\u00ed p\u0159i cyklick\u00e9m zat\u00ed\u017een\u00ed v dopravn\u00edch konstrukc\u00edch.<\/p>\n

    Dobr\u00e1 odolnost proti korozi<\/h3>\n

    Lep\u0161\u00ed ne\u017e slitiny \u0159ady 7xxx s vysok\u00fdm obsahem m\u011bdi ve vlhk\u00e9m a mo\u0159sk\u00e9m prost\u0159ed\u00ed.<\/p>\n

    St\u0159edn\u00ed s\u00edla<\/h3>\n

    Ni\u017e\u0161\u00ed maxim\u00e1ln\u00ed pevnost ne\u017e 7075, ale snadn\u011bj\u0161\u00ed tv\u00e1\u0159en\u00ed a spojov\u00e1n\u00ed.<\/p>\n

    Aplikace<\/h2>\n
      \n
    • Sva\u0159ovan\u00e9 konstrukce pro kolejovou a dopravn\u00ed techniku<\/li>\n
    • Automobilov\u00e9 podvozky a r\u00e1my<\/li>\n
    • Sva\u0159ovan\u00e9 mosty a plo\u0161iny<\/li>\n
    • Sekund\u00e1rn\u00ed konstrukce v letectv\u00ed<\/li>\n
    • V\u0161eobecn\u00e9 stroj\u00edrensk\u00e9 sva\u0159ovan\u00e9 konstrukce<\/li>\n<\/ul>\n

      Pozn\u00e1mky ke zpracov\u00e1n\u00ed a povrchov\u00e9 \u00faprav\u011b<\/h2>\n

      Spole\u010dnost Linsy \u0159e\u017ee hlin\u00edk 7020 laserem a obr\u00e1b\u00ed jej na CNC centrech. Slitina se dob\u0159e sva\u0159uje metodami MIG\/TIG s odpov\u00eddaj\u00edc\u00edmi nebo kompatibiln\u00edmi p\u0159\u00eddavn\u00fdmi materi\u00e1ly; dodate\u010dn\u00e9 st\u00e1rnut\u00ed po sva\u0159ov\u00e1n\u00ed m\u016f\u017ee obnovit vlastnosti. Eloxov\u00e1n\u00ed nebo pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed zvy\u0161uje povrchovou odolnost.<\/p>\n

      Kvalitn\u00ed dokumentace a kontrola<\/h2>\n

      Spole\u010dnost Linsy je dodavatel hlin\u00edku se s\u00eddlem v Shenzhenu s v\u00edce ne\u017e 20 lety zku\u0161enost\u00ed. N\u00e1\u0161 syst\u00e9m kvality je certifikov\u00e1n podle ISO 9001, ISO 14001 a ISO 45001. Ka\u017ed\u00e1 objedn\u00e1vka je odesl\u00e1na s certifik\u00e1tem z v\u00e1lcovny (MTC). Zku\u0161ebn\u00ed protokoly t\u0159et\u00ed strany SGS jsou k dispozici na vy\u017e\u00e1d\u00e1n\u00ed. Typick\u00e1 dodac\u00ed lh\u016fta na zak\u00e1zku je 10\u201360 dn\u00ed v z\u00e1vislosti na stavu, rozm\u011bru a mno\u017estv\u00ed.<\/p>\n

      Pro\u010d zvolit spole\u010dnost Linsy pro hlin\u00edk 7020<\/h2>\n
        \n
      • Tov\u00e1rna v Shenzhenu s v\u00edce ne\u017e 20 lety zku\u0161enost\u00ed s obsluhou z\u00e1kazn\u00edk\u016f z leteck\u00e9ho, automobilov\u00e9ho a v\u0161eobecn\u00e9ho stroj\u00edrenstv\u00ed<\/li>\n
      • \u0160irok\u00fd sortiment forem: plech, deska, svitek, trubka, ty\u010d, dr\u00e1t, profil a v\u00fdkovek<\/li>\n
      • CNC obr\u00e1b\u011bn\u00ed, laserov\u00e9 \u0159ez\u00e1n\u00ed, TIG\/MIG sva\u0159ov\u00e1n\u00ed a eloxov\u00e1n\u00ed \/ le\u0161t\u011bn\u00ed \/ pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed pod jednou st\u0159echou<\/li>\n
      • Certifik\u00e1t z v\u00e1lcovny s ka\u017edou objedn\u00e1vkou; zpr\u00e1vy SGS na vy\u017e\u00e1d\u00e1n\u00ed<\/li>\n
      • Certifikovan\u00e9 provozy ISO 9001 \/ ISO 14001 \/ ISO 45001<\/li>\n<\/ul>\n

        Souvisej\u00edc\u00ed zdroje<\/h2>\n

        Pro podrobn\u011bj\u0161\u00ed informace o v\u00fdb\u011bru slitin \u0159ady 7xxx a jejich zpracov\u00e1n\u00ed si p\u0159e\u010dt\u011bte na\u0161e pr\u016fvodce v\u00fdb\u011brem hlin\u00edkov\u00fdch slitin a sva\u0159ov\u00e1n\u00edm slitin \u0159ady 7000. (Intern\u00ed odkazy budou propojeny s publikovan\u00fdmi \u010dl\u00e1nky blogu Linsy.)<\/p>\n

        \u010cast\u00e9 dotazy k hlin\u00edku 7020<\/h2>\n

        Pro\u010d zvolit 7020 m\u00edsto 7075?<\/h3>\n

        Slitina 7020 ob\u011btuje \u010d\u00e1st maxim\u00e1ln\u00ed pevnosti ve prosp\u011bch v\u00fdrazn\u011b lep\u0161\u00ed sva\u0159itelnosti a korozn\u00ed odolnosti, co\u017e je d\u016fle\u017eit\u00e9 pro sva\u0159ovan\u00e9 dopravn\u00ed a n\u00e1mo\u0159n\u00ed konstrukce.<\/p>\n

        Jak\u00e9 stavy jsou k dispozici?<\/h3>\n

        Dod\u00e1v\u00e1me stavy O, T5, T6 a T651 v plechu, trubk\u00e1ch, ty\u010d\u00edch a dr\u00e1tu. Sd\u011blte n\u00e1m v\u00fdrobn\u00ed postup a doporu\u010d\u00edme vhodn\u00e9 tepeln\u00e9 zpracov\u00e1n\u00ed.<\/p>\n

        Lze hlin\u00edk 7020 eloxovat?<\/h3>\n

        Ano. Eloxov\u00e1n\u00ed zlep\u0161uje odolnost proti korozi a opot\u0159eben\u00ed; upozor\u0148ujeme, \u017ee barva povlaku u slitin \u0159ady 7xxx se m\u016f\u017ee li\u0161it, proto s n\u00e1mi p\u0159edem konzultujte o\u010dek\u00e1v\u00e1n\u00ed ohledn\u011b vzhledu.<\/p>\n

        Je sou\u010d\u00e1st\u00ed dod\u00e1vky hutn\u00ed certifik\u00e1t?<\/h3>\n

        Ano, ka\u017ed\u00e1 objedn\u00e1vka je dod\u00e1v\u00e1na s certifik\u00e1tem MTC a na vy\u017e\u00e1d\u00e1n\u00ed jsou k dispozici zpr\u00e1vy t\u0159et\u00ed strany SGS.<\/p>\n

        \u010casto kladen\u00e9 ot\u00e1zky k objedn\u00e1vk\u00e1m obecn\u011b<\/h2>\n

        Jak\u00e1 je typick\u00e1 dodac\u00ed lh\u016fta?<\/h3>\n

        Zak\u00e1zkov\u00e9 objedn\u00e1vky hlin\u00edku se obvykle odes\u00edlaj\u00ed za 10\u201360 dn\u00ed v z\u00e1vislosti na slitin\u011b, stavu, rozm\u011bru a mno\u017estv\u00ed. Skladov\u00e9 nebo standardn\u00ed rozm\u011bry mohou b\u00fdt rychlej\u0161\u00ed \u2013 zeptejte se na\u0161eho t\u00fdmu.<\/p>\n

        Mohu z\u00edskat certifik\u00e1t z v\u00e1lcovny?<\/h3>\n

        Ano. Ka\u017ed\u00e1 objedn\u00e1vka obsahuje MTC. Zku\u0161ebn\u00ed protokoly t\u0159et\u00ed strany SGS jsou k dispozici na vy\u017e\u00e1d\u00e1n\u00ed.<\/p>\n

        Nab\u00edz\u00edte obr\u00e1b\u011bn\u00ed a povrchovou \u00fapravu?<\/h3>\n

        Ano. Poskytujeme CNC obr\u00e1b\u011bn\u00ed, laserov\u00e9 \u0159ez\u00e1n\u00ed, sva\u0159ov\u00e1n\u00ed, eloxov\u00e1n\u00ed, le\u0161t\u011bn\u00ed a pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed, tak\u017ee d\u00edly mohou b\u00fdt dod\u00e1ny v bl\u00ed\u017ee k hotov\u00e9mu tvaru.<\/p>\n

        Jak mohu po\u017e\u00e1dat o nab\u00eddku?<\/h3>\n

        Za\u0161lete svou slitinu, stav, rozm\u011bry, mno\u017estv\u00ed a po\u017eadovanou normu. N\u00e1\u0161 t\u00fdm potvrd\u00ed dostupnost, dodac\u00ed lh\u016ftu a cenu.<\/p>","protected":false},"excerpt":{"rendered":"

        7020 hlin\u00edk je st\u0159edn\u011b pevn\u00e1 tv\u00e1\u0159en\u00e1 slitina \u0159ady 7xxx, p\u0159i\u010dem\u017e hlavn\u00edmi zpev\u0148uj\u00edc\u00edmi prvky jsou zinek a ho\u0159\u010d\u00edk. Je cen\u011bna pro vynikaj\u00edc\u00ed sva\u0159itelnost, dobrou odolnost proti korozi a vysokou \u00fanavovou pevnost, co\u017e z n\u00ed \u010din\u00ed b\u011b\u017enou volbu pro sva\u0159ovan\u00e9 dopravn\u00ed a konstruk\u010dn\u00ed sestavy. Ve srovn\u00e1n\u00ed se slitinou 7075 nab\u00edz\u00ed m\u00edrn\u011b ni\u017e\u0161\u00ed maxim\u00e1ln\u00ed pevnost, ale lep\u0161\u00ed tv\u00e1\u0159ec\u00ed chov\u00e1n\u00ed, zejm\u00e9na v mo\u0159sk\u00e9m nebo vlhk\u00e9m prost\u0159ed\u00ed. Spole\u010dnost Linsy dod\u00e1v\u00e1 slitinu 7020 ve form\u011b plech\u016f, desek, trubek, ty\u010d\u00ed a dr\u00e1t\u016f s \u00fapln\u00fdmi hutn\u00edmi certifik\u00e1ty a \u0159adou tepeln\u00fdch zpracov\u00e1n\u00ed pro sva\u0159ov\u00e1n\u00ed a konstruk\u010dn\u00ed pou\u017eit\u00ed.<\/p>\n

        \nDostupn\u00e9 formul\u00e1\u0159e:<\/strong> plech \/ deska, trubka, ty\u010d \/ prut, dr\u00e1t
        \nB\u011b\u017en\u00e9 typy povah:<\/strong> O, T5, T6, T651
        \nPodpora zpracov\u00e1n\u00ed:<\/strong> CNC obr\u00e1b\u011bn\u00ed, laserov\u00e9 \u0159ez\u00e1n\u00ed, TIG\/MIG sva\u0159ov\u00e1n\u00ed, eloxov\u00e1n\u00ed, le\u0161t\u011bn\u00ed, pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed
        \nDokumenty t\u00fdkaj\u00edc\u00ed se kvality:<\/strong> Protokol o zkou\u0161ce z materi\u00e1lu (MTC) s ka\u017edou objedn\u00e1vkou<\/p>","protected":false},"featured_media":8674,"template":"","meta":{"_seopress_titles_title":"7020 Aluminum Alloy \u2014 Sheet, Bar & Wire | Linsy Aluminum","_seopress_titles_desc":"7020 (AlZn4.5Mg1) is a weldable medium-strength 7xxx alloy from Linsy, ideal for transport and structural welded assemblies with good fatigue strength.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_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":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":""},"product_brand":[],"product_cat":[90,99],"product_tag":[],"class_list":["post-8666","product","type-product","status-publish","has-post-thumbnail","product_cat-7000-series-aluminum-alloys","product_cat-most-popular-aluminum-grade","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/product\/8666","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media\/8674"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media?parent=8666"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/product_brand?post=8666"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/product_cat?post=8666"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/product_tag?post=8666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}