{"id":8419,"date":"2025-03-31T12:29:17","date_gmt":"2025-03-31T12:29:17","guid":{"rendered":"https:\/\/premiumalu.com\/expert-tips-for-success-with-5754-alloy\/"},"modified":"2026-09-23T01:16:23","modified_gmt":"2026-09-23T01:16:23","slug":"tipy-odborniku-pro-uspech-se-slitinou-5754","status":"publish","type":"post","link":"https:\/\/premiumalu.com\/cs\/expert-tips-for-success-with-5754-alloy\/","title":{"rendered":"Zvl\u00e1dnut\u00ed hlin\u00edkov\u00e9 slitiny 5754: Odborn\u00e9 tipy pro \u00fasp\u011bch"},"content":{"rendered":"

Co je hlin\u00edk 5754?<\/h2>\n\n\n\n

5754 je netepeln\u011b zpracovateln\u00e1 tv\u00e1\u0159en\u00e1 slitina hlin\u00edku a ho\u0159\u010d\u00edku, s ho\u0159\u010d\u00edkem (2,6\u20133,6 %) jako hlavn\u00edm leguj\u00edc\u00edm prvkem a manganem a chromem jako \u0159\u00edzen\u00fdmi vedlej\u0161\u00edmi p\u0159\u00edsadami. Je to slitina prim\u00e1rn\u011b dle normy EN a teprve sekund\u00e1rn\u011b glob\u00e1ln\u00ed \u2014 registrovan\u00e1 jako UNS A95754, ale mnohem hloub\u011bji zakotven\u00e1 v evropsk\u00fdch dodavatelsk\u00fdch \u0159et\u011bzc\u00edch ne\u017e v severoamerick\u00fdch z\u00e1sob\u00e1ch.<\/p>\n\n\n\n

Jej\u00ed pevnost poch\u00e1z\u00ed ze zpevn\u011bn\u00ed tuh\u00fdm roztokem ho\u0159\u010d\u00edkem a deforma\u010dn\u00edho zpevn\u011bn\u00ed za studena. Nevykazuje precipita\u010dn\u00ed zpevn\u011bn\u00ed, tak\u017ee neexistuje ekvivalent T6; stav zpracov\u00e1n\u00ed je jedinou p\u00e1kou. V r\u00e1mci \u0159ady 5xxx je 5754 pevn\u011bj\u0161\u00ed ne\u017e 5251, pevn\u011bj\u0161\u00ed ne\u017e 5052 v \u017e\u00edhan\u00e9m stavu a v absolutn\u00ed pevnosti pod 5083, ale sn\u00e1ze tv\u00e1\u0159iteln\u00e1 a levn\u011bj\u0161\u00ed.<\/p>\n\n\n\n

Chemick\u00e9 slo\u017een\u00ed 5754<\/h2>\n\n\n\n
Prvek<\/th>Obsah (hm. %, max. pokud nen\u00ed uvedeno jinak)<\/th>Role ve slitin\u011b<\/th><\/tr><\/thead>
Ho\u0159\u010d\u00edk (Mg)<\/td>2.6 \u2013 3.6<\/td>Prim\u00e1rn\u00ed zpev\u0148uj\u00edc\u00ed prvek; \u0159\u00edd\u00ed odezvu na deforma\u010dn\u00ed zpevn\u011bn\u00ed a korozn\u00ed chov\u00e1n\u00ed<\/td><\/tr>
Mangan (Mn)<\/td>0.50<\/td>Zpev\u0148uje matrici, \u0159\u00edd\u00ed velikost zrna p\u0159i rekrystalizaci<\/td><\/tr>
Chrom (Cr)<\/td>0.30<\/td>Tvo\u0159\u00ed jemn\u00e9 disperzoidy, kter\u00e9 omezuj\u00ed r\u016fst zrna<\/td><\/tr>
Mn + Cr (kombinovan\u011b)<\/strong><\/td>0.10 \u2013 0.60<\/strong><\/td>Kombinovan\u00fd limit \u2014 rozsah, kter\u00fd udr\u017euje strukturu slitiny stabiln\u00ed<\/td><\/tr>
\u017delezo (Fe)<\/td>0.40<\/td>Ne\u010distota; tvo\u0159\u00ed katodick\u00e9 intermetalick\u00e9 f\u00e1ze, kter\u00e9 mohou iniciovat d\u016flkovou korozi<\/td><\/tr>
K\u0159em\u00edk (Si)<\/td>0.40<\/td>Ne\u010distota; slu\u010duje se se \u017eelezem a ovliv\u0148uje vzhled po anodizaci<\/td><\/tr>
Zinek (Zn)<\/td>0.20<\/td>Ne\u010distota, p\u0159\u00edsn\u011b limitovan\u00e1<\/td><\/tr>
M\u011b\u010f (Cu)<\/td>0.10<\/td>P\u0159\u00edsn\u011b limitov\u00e1no \u2014 m\u011b\u010f sni\u017euje obecnou korozn\u00ed odolnost<\/td><\/tr>
Titan (Ti)<\/td>0.15<\/td>Modifik\u00e1tor zrna p\u0159id\u00e1van\u00fd p\u0159i odl\u00e9v\u00e1n\u00ed<\/td><\/tr>
Ostatn\u00ed (ka\u017ed\u00fd \/ celkem)<\/td>0.05 \/ 0.15<\/td>Stopov\u00e9 prvky kontrolovan\u00e9 pro konzistenci \u0161ar\u017e\u00ed<\/td><\/tr>
Hlin\u00edk (Al)<\/td>Bilance<\/td>Nobelmetal<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

V provozu jsou d\u016fle\u017eit\u011bj\u0161\u00ed dva stropy ne\u017e ostatn\u00ed. M\u011b\u010f je omezena na 0,10 %, proto\u017ee i mal\u00e1 mno\u017estv\u00ed sni\u017euj\u00ed obecnou korozn\u00ed odolnost v chloridov\u00e9m prost\u0159ed\u00ed, a \u017eelezo je omezeno na 0,40 %, proto\u017ee intermetalick\u00e9 f\u00e1ze bohat\u00e9 na \u017eelezo p\u016fsob\u00ed jako lok\u00e1ln\u00ed katody a spou\u0161t\u011bj\u00ed d\u016flkovou korozi. Oba jsou d\u016fvodem, pro\u010d si 5754 vede v mo\u0159sk\u00e9 vod\u011b tak dob\u0159e, jak si vede.<\/p>\n\n\n\n

Specifikace a ekvivalentn\u00ed ozna\u010den\u00ed<\/h2>\n\n\n\n
Norma \/ registr<\/th>Ozna\u010den\u00ed<\/th><\/tr><\/thead>
EN (chemick\u00e9 symboly)<\/td>EN AW-5754 \/ EN AW-AlMg3<\/td><\/tr>
Normy EN<\/td>EN 573-3 (slo\u017een\u00ed), EN 485-2 (mechanick\u00e9 vlastnosti pro plech, p\u00e1s a tlust\u00fd plech)<\/td><\/tr>
DIN \/ Werkstoff-Nr.<\/td>3.3535<\/td><\/tr>
ISO<\/td>AlMg3<\/td><\/tr>
UNS<\/td>A95754<\/td><\/tr>
Typick\u00e9 v\u00fdrobkov\u00e9 normy<\/td>Plech, p\u00e1s, tlust\u00fd plech; tak\u00e9 ty\u010de, profily, trubky a tvarovky<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Mechanick\u00e9 vlastnosti podle zp\u016fsobu temperov\u00e1n\u00ed<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Hodnoty n\u00ed\u017ee jsou po\u017eadavky EN 485-2 pro plech, p\u00e1s a tlust\u00fd plech. V\u0161imn\u011bte si, \u017ee jak rozsah pevnosti, tak minim\u00e1ln\u00ed ta\u017enost se m\u011bn\u00ed s tlou\u0161\u0165kou \u2014 \u00fadaje plat\u00ed pro b\u011b\u017en\u011b dod\u00e1van\u00e9 p\u00e1smo 0,5\u20136 mm.<\/p>\n\n\n\n

Temperament<\/th>Pevnost v tahu Rm (MPa)<\/th>Mez kluzu Rp0,2, min. (MPa)<\/th>Ta\u017enost A50, min. (%)<\/th>Tvrdost HBW<\/th><\/tr><\/thead>
O \/ H111<\/td>190 \u2013 240<\/td>80<\/td>12 \u2013 18<\/td>52<\/td><\/tr>
H112 (tlust\u00fd plech >6 mm)<\/td>\u2265 190<\/td>80 \u2013 100<\/td>10 \u2013 14<\/td>52 \u2013 62<\/td><\/tr>
H22 \/ H32 (\u010dtvrttvrd\u00fd)<\/td>220 \u2013 270<\/td>130<\/td>7 \u2013 11<\/td>63<\/td><\/tr>
H24 \/ H34 (polotvrd\u00fd)<\/td>240 \u2013 280<\/td>160<\/td>6 \u2013 10<\/td>70<\/td><\/tr>
H26 \/ H36 (t\u0159i\u010dtvrt\u011btvrd\u00fd)<\/td>265 \u2013 305<\/td>190<\/td>4 \u2013 6<\/td>78<\/td><\/tr>
H28 \/ H38 (pln\u011b tvrd\u00fd)<\/td>\u2265 290<\/td>230<\/td>2 \u2013 4<\/td>87<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Stavy zpracov\u00e1n\u00ed: O, H111, H22\/H32, H24\/H34 a d\u00e1le<\/h2>\n\n\n\n

\u010c\u00edslice za H nesou celou specifikaci. Prvn\u00ed \u010d\u00edslice je \u00farove\u0148 tvrdosti \u2014 2 je \u010dtvrttvrd\u00fd, 4 je polotvrd\u00fd, 6 je t\u0159i\u010dtvrt\u011btvrd\u00fd, 8 je pln\u011b tvrd\u00fd. Druh\u00e1 \u010d\u00edslice je tepeln\u00e9 zpracov\u00e1n\u00ed: H1x je pouze deforma\u010dn\u011b zpevn\u011bn\u00fd, H2x je deforma\u010dn\u011b zpevn\u011bn\u00fd a pot\u00e9 \u010d\u00e1ste\u010dn\u011b \u017e\u00edhan\u00fd, H3x je deforma\u010dn\u011b zpevn\u011bn\u00fd a pot\u00e9 stabilizovan\u00fd. Stavy H2x poskytuj\u00ed m\u00edrn\u011b lep\u0161\u00ed tv\u00e1\u0159itelnost ne\u017e H1x p\u0159i stejn\u00e9 \u00farovni tvrdosti, co\u017e je d\u016fvod, pro\u010d jsou H22 a H24 b\u011b\u017en\u00e9 u tv\u00e1\u0159en\u00fdch panel\u016f.<\/p>\n\n\n\n

    \n
  • O \/ H111:<\/strong> \u017e\u00edhan\u00fd, p\u0159i\u010dem\u017e H111 p\u0159ipou\u0161t\u00ed m\u00edrn\u00e9 deforma\u010dn\u00ed zpevn\u011bn\u00ed z tv\u00e1\u0159en\u00ed. Toto je stav pro tv\u00e1\u0159en\u00ed a standardn\u00ed stav pro protiskluzov\u00fd plech.<\/li>\n\n\n\n
  • H112:<\/strong> tlust\u00fd plech nad 6 mm ve stavu po v\u00fdrob\u011b, s pevnost\u00ed garantovanou v z\u00e1vislosti na tlou\u0161\u0165ce. B\u011b\u017en\u00fd pro n\u00e1mo\u0159n\u00ed a konstruk\u010dn\u00ed tlust\u00fd plech.<\/li>\n\n\n\n
  • H22 \/ H32:<\/strong> \u010dtvrttvrd\u00fd \u2014 stav pro univerz\u00e1ln\u00ed konstruk\u010dn\u00ed plech.<\/li>\n\n\n\n
  • H24 \/ H34:<\/strong> polotvrd\u00fd, pro plo\u0161\u0161\u00ed d\u00edly, kter\u00e9 st\u00e1le pot\u0159ebuj\u00ed ur\u010ditou schopnost oh\u00fdb\u00e1n\u00ed.<\/li>\n\n\n\n
  • H26 \/ H36 a H28 \/ H38:<\/strong> postupn\u011b pevn\u011bj\u0161\u00ed a postupn\u011b m\u00e9n\u011b tv\u00e1\u0159iteln\u00e9, pou\u017e\u00edvan\u00e9 v\u011bt\u0161inou u tenk\u00e9ho plechu, kde rozhoduje tuhost nebo odolnost proti prom\u00e1\u010dknut\u00ed.<\/li>\n<\/ul>\n\n\n\n

    Proto\u017ee 5754 nen\u00ed tepeln\u011b zpracovateln\u00e1, cokoli, co zv\u00fd\u0161\u00ed teplotu kovu do rozsahu 200\u2013350 \u00b0C, ji zm\u011bk\u010d\u00ed zp\u011bt sm\u011brem ke stavu O. To je mechanismus stoj\u00edc\u00ed za n\u00ed\u017ee uveden\u00fdmi limity pro sva\u0159ov\u00e1n\u00ed a provozn\u00ed teplotu.<\/p>\n\n\n\n

    Fyzik\u00e1ln\u00ed vlastnosti<\/h2>\n\n\n\n
    Majetek<\/th>Hodnota<\/th><\/tr><\/thead>
    Hustota<\/td>2,66 g\/cm\u00b3<\/td><\/tr>
    Rozsah taven\u00ed<\/td>~600 \u2013 640 \u00b0C<\/td><\/tr>
    Tepeln\u00e1 vodivost<\/td>~125 \u2013 135 W\/m\u00b7K<\/td><\/tr>
    Elektrick\u00e1 vodivost<\/td>~32% IACS<\/td><\/tr>
    Modul pru\u017enosti<\/td>~68 \u2013 70 GPa<\/td><\/tr>
    Koeficient tepeln\u00e9 rozta\u017enosti (20\u2013100 \u00b0C)<\/td>~23,7 \u00d7 10\u207b\u2076 \/K<\/td><\/tr>
    M\u011brn\u00e1 tepeln\u00e1 kapacita<\/td>~900 J\/kg-K<\/td><\/tr>
    Poisson\u016fv pom\u011br<\/td>~0.33<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    Hodnoty vodivosti se nach\u00e1zej\u00ed m\u00edrn\u011b pod hodnotami slitiny 5052 (~138 W\/m\u00b7K a ~35% IACS), co\u017e p\u0159\u00edmo vypl\u00fdv\u00e1 z vy\u0161\u0161\u00edho obsahu ho\u0159\u010d\u00edku. Ani jedno z t\u011bchto \u010d\u00edsel nen\u00ed d\u016fvodem, pro\u010d n\u011bkdo specifikuje 5754, ale ob\u011b maj\u00ed v\u00fdznam, pokud d\u00edl slou\u017e\u00ed z\u00e1rove\u0148 jako tepeln\u00e1 nebo elektrick\u00e1 cesta.<\/p>\n\n\n\n

    Pr\u00e1ce s 5754: Tv\u00e1\u0159en\u00ed, sva\u0159ov\u00e1n\u00ed, obr\u00e1b\u011bn\u00ed a povrchov\u00e9 \u00fapravy<\/h2>\n\n\n\n
    \"\"<\/figure>\n\n\n\n

    Tv\u00e1\u0159en\u00ed.<\/strong> 5754 se dob\u0159e tv\u00e1\u0159\u00ed, nejl\u00e9pe ve stavu O\/H111. Minim\u00e1ln\u00ed polom\u011bry ohybu podle EN 485-2 poskytuj\u00ed pou\u017eiteln\u00fd v\u00fdchoz\u00ed bod \u2014 p\u0159ibli\u017en\u011b 0,5\u20132,0\u00d7 tlou\u0161\u0165ky pro ohyb 180\u00b0 ve stavu O\/H111, 1,5\u20132,5\u00d7 ve stavu H22\/H32 a a\u017e 3,0\u00d7 ve stavu H24\/H34, s t\u011bsn\u011bj\u0161\u00edmi hodnotami pro ten\u010d\u00ed materi\u00e1l. Ov\u011b\u0159te zkou\u0161kou ohybu na vlastn\u00edm n\u00e1strojov\u00e9m vybaven\u00ed, proto\u017ee po\u017eadavek se m\u011bn\u00ed s tlou\u0161\u0165kou a sm\u011brem ohybu vzhledem ke sm\u011bru v\u00e1lcov\u00e1n\u00ed.<\/p>\n\n\n\n

    Sva\u0159ov\u00e1n\u00ed.<\/strong> Zde si 5754 vydobylo svou reputaci. TIG i MIG poskytuj\u00ed vynikaj\u00edc\u00ed v\u00fdsledky \u2014 5356 je obvykl\u00fd p\u0159\u00eddavn\u00fd materi\u00e1l, 5183 tam, kde je zapot\u0159eb\u00ed vy\u0161\u0161\u00ed pevnost svaru. Na rozd\u00edl od slitin \u0159ady 6xxx si tepeln\u011b ovlivn\u011bn\u00e1 z\u00f3na zachov\u00e1v\u00e1 odolnost proti korozi i po sva\u0159ov\u00e1n\u00ed. Skute\u010dn\u00fdm konstruk\u010dn\u00edm limitem je pevnost: sva\u0159ov\u00e1n\u00ed \u017e\u00edh\u00e1 TOZ, tak\u017ee u materi\u00e1lu H22\/H32 z\u00f3na vedle svaru kles\u00e1 z p\u00e1sma 220\u2013270 MPa na p\u0159ibli\u017en\u011b 190\u2013240 MPa, p\u0159i\u010dem\u017e mez kluzu kles\u00e1 ze 130 MPa na p\u0159ibli\u017en\u011b 80 MPa. Dimenzujte jakoukoli zat\u00ed\u017eenou cestu proch\u00e1zej\u00edc\u00ed spojem na hodnotu po \u017e\u00edh\u00e1n\u00ed.<\/p>\n\n\n\n

    Obr\u00e1b\u011bn\u00ed.<\/strong> Obr\u00e1b\u011bnost je p\u0159inejlep\u0161\u00edm pr\u016fm\u011brn\u00e1. M\u011bk\u010d\u00ed stavy jsou lepiv\u00e9 a maj\u00ed tendenci se trhat, m\u00edsto aby se \u010dist\u011b obr\u00e1b\u011bly \u2014 ostr\u00e9 le\u0161t\u011bn\u00e9 n\u00e1stroje, velk\u00e9 \u00fahly \u010dela, pozitivn\u00ed posuv a dostatek chladic\u00ed kapaliny v\u0161echny pom\u00e1haj\u00ed. P\u00e1jen\u00ed je \u0161patn\u00e9 a obecn\u011b se mu vyh\u00fdb\u00e1me.<\/p>\n\n\n\n

    Povrchov\u00e1 \u00faprava.<\/strong> 5754 se dob\u0159e eloxuje, i kdy\u017e jasn\u00e9 eloxov\u00e1n\u00ed nen\u00ed jeho dom\u00e9nou. \u00dadaje z v\u00fdroby hodnot\u00ed ochrann\u00e9 a tvrd\u00e9 eloxov\u00e1n\u00ed jako velmi dobr\u00e9 a barevn\u00e9 eloxov\u00e1n\u00ed jako dobr\u00e9, co\u017e z n\u011bj \u010din\u00ed legitimn\u00ed dekorativn\u00ed volbu pro architektonick\u00e9 a karos\u00e1\u0159sk\u00e9 panelov\u00e9 pr\u00e1ce. Av\u0161ak zrcadlov\u011b leskl\u00fd povrch, kter\u00fd poskytuj\u00ed 5005, 5657 nebo 6063, je zde pouze \u201cp\u0159ijateln\u00fd\u201d a anodick\u00e1 vrstva m\u016f\u017ee m\u00edt m\u00edrn\u011b tepl\u00fd odst\u00edn \u2014 pokud specifikace vy\u017eaduje leskl\u00e9 obkladov\u00e9 prvky, zvolte rad\u011bji jednu z t\u011bchto slitin. Pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed, PVDF a mechanick\u00e9 kart\u00e1\u010dov\u00e1n\u00ed v\u0161echny funguj\u00ed dob\u0159e, a proto\u017ee Linsy prov\u00e1d\u00ed eloxov\u00e1n\u00ed a le\u0161t\u011bn\u00ed intern\u011b, lze povrchovou \u00fapravu specifikovat spolu s materi\u00e1lem v jedn\u00e9 objedn\u00e1vce.<\/p>\n\n\n\n

    Kde se 5754 pou\u017e\u00edv\u00e1<\/h2>\n\n\n\n
      \n
    • V\u00e1lcovan\u00fd plech se vzorem a podlahov\u00e9 plechy:<\/strong> H111 a H114 jsou standardn\u00ed stavy v\u00e1lcovan\u00e9ho plechu se vzorem, pokr\u00fdvaj\u00edc\u00ed chodn\u00edky, paluby lod\u00ed, podlahy vozidel a pr\u016fmyslov\u00e9 p\u0159\u00edstupov\u00e9 plo\u0161iny. Toto je jedna z charakteristick\u00fdch aplikac\u00ed 5754.<\/li>\n\n\n\n
    • Lodn\u00ed pr\u016fmysl a n\u00e1mo\u0159n\u00ed aplikace:<\/strong> opl\u00e1\u0161t\u011bn\u00ed trupu men\u0161\u00edch plavidel, n\u00e1stavby, paluby a kov\u00e1n\u00ed, kde je odolnost proti mo\u0159sk\u00e9 vod\u011b d\u016fle\u017eit\u011bj\u0161\u00ed ne\u017e maxim\u00e1ln\u00ed pevnost.<\/li>\n\n\n\n
    • Karoserie vozidel a doprava:<\/strong> karos\u00e1\u0159sk\u00e9 panely, korby n\u00e1kladn\u00edch automobil\u016f a p\u0159\u00edv\u011bs\u016f, palivov\u00e9 n\u00e1dr\u017ee a pl\u00e1\u0161t\u011b ropn\u00fdch tanker\u016f.<\/li>\n\n\n\n
    • Procesn\u00ed za\u0159\u00edzen\u00ed:<\/strong> tlakov\u00e9 n\u00e1doby, skladovac\u00ed n\u00e1dr\u017ee a sva\u0159ovan\u00e9 konstrukce pro chemick\u00e9, potravin\u00e1\u0159sk\u00e9 a jadern\u00e9 aplikace.<\/li>\n\n\n\n
    • N\u00fdty:<\/strong> 5754 je standardn\u00ed slitina pro n\u00fdty, co\u017e m\u00e1 v\u00fdznam, kdy\u017e spojovac\u00ed prvek a plech pot\u0159ebuj\u00ed kompatibiln\u00ed korozn\u00ed chov\u00e1n\u00ed.<\/li>\n\n\n\n
    • Architektura:<\/strong> pob\u0159e\u017en\u00ed a pr\u016fmyslov\u00e9 obklady, kde jsou p\u0159ita\u017elivost\u00ed odolnost proti korozi a odezva na barevn\u00e9 eloxov\u00e1n\u00ed.<\/li>\n<\/ul>\n\n\n\n

      5754 vs 5052 vs 5083 vs 6061<\/h2>\n\n\n\n
      \"\"<\/figure>\n\n\n\n
      Faktor<\/th>5754<\/a><\/th>5052<\/a><\/th>5083<\/a><\/th>6061<\/a><\/th><\/tr><\/thead>
      Hlavn\u00ed leguj\u00edc\u00ed prvky<\/td>Mg 2,6\u20133,6%<\/td>Mg 2,2\u20132,8%<\/td>Mg 4,0\u20134,9%<\/td>Mg 0,8\u20131,2%, Si 0,4\u20130,8%<\/td><\/tr>
      Tepeln\u011b zpracovateln\u00fd<\/td>Ne<\/td>Ne<\/td>Ne<\/td>Ano<\/td><\/tr>
      Pevnost v tahu, \u017e\u00edhan\u00fd (O)<\/td>190\u2013240 MPa<\/td>170\u2013215 MPa<\/td>290\u2013345 MPa<\/td>\u2014<\/td><\/tr>
      Pevnost v tahu, \u010dtvrttvrd\u00fd<\/td>220\u2013270 MPa (H22\/H32)<\/td>215\u2013265 MPa (H32)<\/td>\u2014<\/td>\u2014<\/td><\/tr>
      Pevnost v tahu, nejsiln\u011bj\u0161\u00ed b\u011b\u017en\u00fd<\/td>\u2265290 MPa (H28\/H38)<\/td>~290 MPa (H38)<\/td>305\u2013380 MPa (H116\/H321)<\/td>310 MPa (T6)<\/td><\/tr>
      Mez kluzu, \u010dtvrttvrd\u00fd<\/td>\u2265130 MPa (H32)<\/td>\u2265160 MPa (H32)<\/td>\u2265215 MPa (H321)<\/td>276 MPa (T6)<\/td><\/tr>
      Koroze v mo\u0159sk\u00e9 vod\u011b<\/td>Vynikaj\u00edc\u00ed<\/td>Vynikaj\u00edc\u00ed<\/td>Vynikaj\u00edc\u00ed<\/td>Dobr\u00fd<\/td><\/tr>
      Sva\u0159itelnost<\/td>Vynikaj\u00edc\u00ed<\/td>Vynikaj\u00edc\u00ed<\/td>Vynikaj\u00edc\u00ed<\/td>Dobr\u00fd<\/td><\/tr>
      Tvarovatelnost<\/td>V\u00fdborn\u00e9 v O<\/td>Vynikaj\u00edc\u00ed<\/td>Dobr\u00fd<\/td>M\u00edrn\u00e1<\/td><\/tr>
      Obrobitelnost<\/td>Spravedliv\u00e9<\/td>Spravedliv\u00e9<\/td>Spravedliv\u00e9<\/td>Dobr\u00fd<\/td><\/tr>
      Trval\u00e1 zv\u00fd\u0161en\u00e1 teplota<\/td>Pozor nad ~65\u2013100 \u00b0C<\/td>Vhodn\u011bj\u0161\u00ed<\/td>Pozor nad ~65 \u00b0C<\/td>Dobr\u00fd<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

      The two 5xxx columns are quoted to different standards \u2014 EN 485-2 for 5754, ASTM B209 for 5052 \u2014 so read each against its own standard rather than subtracting one minimum from the other. Read that way, 5754-H22\/H32 and 5052-H32 sit in the same quarter-hard bracket (220\u2013270 vs 215\u2013265 MPa tensile), so at H32 the choice between them is about availability, price, and product form rather than strength. The real alloy-level difference sits at the ends of the temper range: roughly 10\u201315% in the annealed condition (190\u2013240 vs 170\u2013215 MPa), which is where 5754 earns its premium \u2014 a part ordered in H32 does not.<\/p>\n\n\n\n

        \n
      • 5754<\/strong> \u2014 sva\u0159ovan\u00e9 konstrukce pro mo\u0159sk\u00e9, vozidlov\u00e9 a procesn\u00ed aplikace; protiskluzov\u00e9 plechy; tvarovan\u00e9 panely vy\u017eaduj\u00edc\u00ed vy\u0161\u0161\u00ed pevnost v \u017e\u00edhan\u00e9m stavu ne\u017e 5052.<\/li>\n\n\n\n
      • 5052<\/strong> \u2014 obecn\u00e9 klemp\u00ed\u0159sk\u00e9 pr\u00e1ce, palivov\u00e9 n\u00e1dr\u017ee a levn\u011bj\u0161\u00ed v\u00fdchoz\u00ed volba ze s\u00e9rie 5xxx tam, kde nen\u00ed zapot\u0159eb\u00ed vy\u0161\u0161\u00ed pevnost 5754 v \u017e\u00edhan\u00e9m stavu.<\/li>\n\n\n\n
      • 5083<\/strong> \u2014 certifikovan\u00fd lodn\u00ed trupov\u00fd plech a nejpevn\u011bj\u0161\u00ed ze t\u0159\u00ed, za vy\u0161\u0161\u00ed cenu a s pevn\u011bj\u0161\u00edm provozn\u00edm stropem 65 \u00b0C.<\/li>\n\n\n\n
      • 6061<\/strong> \u2014 tepeln\u011b zpracovateln\u00e1 pevnost a lep\u0161\u00ed obrobitelnost, s ni\u017e\u0161\u00ed korozn\u00ed odolnost\u00ed v mo\u0159sk\u00e9m prost\u0159ed\u00ed.<\/li>\n<\/ul>\n\n\n\n

        Jdi \/ Nejednozna\u010dn\u00e9: Kdy je 5754 spr\u00e1vn\u00e1 volba<\/h2>\n\n\n\n
        \"\"<\/figure>\n\n\n\n

        Zvolte 5754, kdy\u017e:<\/strong><\/p>\n\n\n\n

          \n
        • Konstrukce je sva\u0159ovan\u00e1 a bude vystavena mo\u0159sk\u00e9 vod\u011b, chemick\u00fdm nebo pr\u016fmyslov\u00fdm atmosf\u00e9r\u00e1m \u2014 5754 si zachov\u00e1v\u00e1 korozn\u00ed odolnost i v tepeln\u011b ovlivn\u011bn\u00e9 z\u00f3n\u011b.<\/li>\n\n\n\n
        • Pot\u0159ebujete vy\u0161\u0161\u00ed pevnost v \u017e\u00edhan\u00e9m stavu, ne\u017e poskytuje 5052, pro tvarovan\u00fd panel.<\/li>\n\n\n\n
        • D\u00edlec je protiskluzov\u00fd plech, podlaha nebo pochoz\u00ed plo\u0161ina \u2014 H111\/H114 je zaveden\u00fd stav.<\/li>\n\n\n\n
        • Aplikace je tlakov\u00e1 n\u00e1doba, n\u00e1dr\u017e nebo karoserie n\u00e1kladn\u00edho vozidla, kde z\u00e1le\u017e\u00ed jak na celistvosti svaru, tak na korozn\u00ed odolnosti.<\/li>\n\n\n\n
        • Rozpo\u010det nedovoluje 5083, ale 5052 je na hranici.<\/li>\n<\/ul>\n\n\n\n

          Hledejte jinde, kdy\u017e:<\/strong><\/p>\n\n\n\n

            \n
          • Provoz prob\u00edh\u00e1 nep\u0159etr\u017eit\u011b nad p\u0159ibli\u017en\u011b 65\u2013100 \u00b0C. P\u0159i obsahu ho\u0159\u010d\u00edku dosahuj\u00edc\u00edm 3,6 % se 5754 nach\u00e1z\u00ed v rozmez\u00ed, kde se f\u00e1ze \u03b2 m\u016f\u017ee vylu\u010dovat pod\u00e9l hranic zrn a odolnost proti mezikrystalov\u00e9 korozi kles\u00e1. 5454 je slitina navr\u017een\u00e1 pro 5xxx aplikace za zv\u00fd\u0161en\u00fdch teplot; 5052 je bezpe\u010dn\u011bj\u0161\u00ed obecn\u00e1 volba.<\/li>\n\n\n\n
          • Pot\u0159ebujete maxim\u00e1ln\u00ed pevnost u certifikovan\u00e9ho lodn\u00edho plechu \u2014 5083 H116 nebo H321.<\/li>\n\n\n\n
          • N\u00e1vrh vy\u017eaduje tepeln\u011b zpracovatelnou pevnost \u2014 6061.<\/li>\n\n\n\n
          • Specifikace povrchov\u00e9 \u00fapravy je leskl\u00fd nebo zrcadlov\u00fd elox \u2014 5005, 5657 nebo 6063.<\/li>\n<\/ul>\n\n\n\n

            Zaji\u0161t\u011bn\u00ed 5754: Co potvrdit p\u0159ed objedn\u00e1vkou<\/h2>\n\n\n\n
              \n
            • Norma a tlou\u0161\u0165kov\u00e9 p\u00e1smo:<\/strong> Hodnoty EN 485-2 se m\u011bn\u00ed s tlou\u0161\u0165kou, proto v popt\u00e1vce uve\u010fte platnou normu a<\/em> a tlou\u0161\u0165kov\u00fd rozsah, nejen stav.<\/li>\n\n\n\n
            • Stav odpov\u00eddaj\u00edc\u00ed sledu tv\u00e1\u0159en\u00ed:<\/strong> O\/H111 pro t\u011b\u017ek\u00e9 tv\u00e1\u0159en\u00ed a protiskluzov\u00e9 plechy, H22\/H32 pro konstruk\u010dn\u00ed plechy, H24\/H34 tam, kde d\u00edl z\u016fst\u00e1v\u00e1 relativn\u011b ploch\u00fd.<\/li>\n\n\n\n
            • Forma produktu:<\/strong> plech, svitek a tlust\u00fd plech jsou standardn\u00ed; ty\u010d, profil, trubka a tvarovka jsou dostupn\u00e9. Protiskluzov\u00fd plech je obvykle H111\/H114.<\/li>\n\n\n\n
            • Dostupnost:<\/strong> 5754 je slitina podle EN. Mimo evropsk\u00e9 dodavatelsk\u00e9 \u0159et\u011bzce je skladov\u00e1na mnohem m\u00e9n\u011b ne\u017e 5052, proto zapo\u010d\u00edtejte do harmonogramu del\u0161\u00ed dodac\u00ed lh\u016ftu pro nestandardn\u00ed stavy nebo tlou\u0161\u0165ky.<\/li>\n\n\n\n
            • Dokumentace:<\/strong> MTC s ka\u017edou objedn\u00e1vkou; chemick\u00e9, mechanick\u00e9 a rozm\u011brov\u00e9 protokoly SGS k dispozici na vy\u017e\u00e1d\u00e1n\u00ed pro konstruk\u010dn\u00ed nebo exportn\u00ed pr\u00e1ce.<\/li>\n<\/ul>\n\n\n\n

              Linsy Aluminum dod\u00e1v\u00e1 5754 v tlust\u00e9m plechu, plechu, svitku, trubce a ty\u010di ve stavech O, H111, H22\/H32, H24\/H34 a dal\u0161\u00edch stavech na vy\u017e\u00e1d\u00e1n\u00ed, s vlastn\u00edm CNC obr\u00e1b\u011bn\u00edm, laserov\u00fdm \u0159ez\u00e1n\u00edm, sva\u0159ov\u00e1n\u00edm TIG a MIG, eloxov\u00e1n\u00edm a le\u0161t\u011bn\u00edm. Vlastn\u00ed rozm\u011bry p\u0159i n\u00edzk\u00e9m MOQ, s typick\u00fdmi dodac\u00edmi lh\u016ftami 10\u201360 dn\u00ed, a MTC je p\u0159ilo\u017eeno ke ka\u017ed\u00e9 objedn\u00e1vce.<\/p>\n\n\n\n

              Z\u00e1v\u011br<\/h2>\n\n\n\n

              5754 je slitina pro sva\u0159ovan\u00e9 konstrukce, nikoli pevnostn\u00ed upgrade. Jej\u00ed skute\u010dn\u00e9 v\u00fdhody jsou vy\u0161\u0161\u00ed pevnost v \u017e\u00edhan\u00e9m stavu oproti 5052, korozn\u00ed odolnost v\u016f\u010di mo\u0159sk\u00e9 vod\u011b p\u0159etrv\u00e1vaj\u00edc\u00ed po sva\u0159ov\u00e1n\u00ed a rozsah stav\u016f od hlubokota\u017en\u00e9ho po pln\u011b tvrzen\u00fd. Kompromis je pevn\u011b dan\u00fd: \u017e\u00e1dn\u00e9 tepeln\u00e9 zpracov\u00e1n\u00ed, pevnost pod 5083 a provozn\u00ed teplotn\u00ed strop, kter\u00fd vylu\u010duje trval\u00e9 hork\u00e9 zat\u00ed\u017een\u00ed.<\/p>\n\n\n\n

              Specifikujte ji spr\u00e1vn\u011b t\u00edm, \u017ee uvedete stav a tlou\u0161\u0165kov\u00e9 p\u00e1smo spole\u010dn\u011b \u2014 hodnoty EN 485-2 se m\u011bn\u00ed s ob\u011bma \u2014 a dimenzujte sva\u0159ovan\u00e9 spoje na pevnost \u017e\u00edhan\u00e9 HAZ, nikoli na stav uveden\u00fd v objedn\u00e1vce. Linsy Aluminum dod\u00e1v\u00e1 5754 v tlust\u00e9m plechu, plechu, svitku, trubce a ty\u010di v b\u011b\u017en\u00fdch stavech, s vlastn\u00edm obr\u00e1b\u011bn\u00edm, laserov\u00fdm \u0159ez\u00e1n\u00edm, sva\u0159ov\u00e1n\u00edm, eloxov\u00e1n\u00edm a le\u0161t\u011bn\u00edm, tak\u017ee materi\u00e1l a povrchov\u00e1 \u00faprava se specifikuj\u00ed spole\u010dn\u011b.<\/p>\n\n\n\n

              Po\u0161lete sv\u016fj v\u00fdkres, c\u00edlov\u00fd stav a provozn\u00ed podm\u00ednky pro posouzen\u00ed vhodnosti jakosti a cenovou nab\u00eddku.<\/p>\n\n\n\n

              \u010cASTO KLADEN\u00c9 DOTAZY<\/h2>\n\n\n\n

              Je 5754 pevn\u011bj\u0161\u00ed ne\u017e 5052?<\/h3>\n\n\n\n

              V \u017e\u00edhan\u00e9m stavu ano \u2014 5754 dosahuje 190\u2013240 MPa oproti 170\u2013215 MPa u 5052, co\u017e je p\u0159ibli\u017en\u011b 10\u201315% v\u00fdhoda. U H32 se ob\u011b sbli\u017euj\u00ed do t\u00e9 m\u00edry, \u017ee rozd\u00edl je margin\u00e1ln\u00ed (220\u2013270 MPa oproti 215\u2013265 MPa), tak\u017ee stav je zde d\u016fle\u017eit\u011bj\u0161\u00ed ne\u017e volba slitiny. Tvrzen\u00ed o \u201910\u201320 % vy\u0161\u0161\u00ed pevnosti ve v\u0161ech ohledech\u201c, kter\u00e9 koluje v souhrnech dodavatel\u016f, neobstoj\u00ed p\u0159i pohledu na skute\u010dn\u00e1 data podle stav\u016f.<\/p>\n\n\n\n

              Lze 5754 eloxovat pro dekorativn\u00ed povrch?<\/h3>\n\n\n\n

              Ano, s jednou v\u00fdhradou. \u00dadaje v\u00fdrobce hodnot\u00ed ochrann\u00e9 a tvrd\u00e9 eloxov\u00e1n\u00ed jako velmi dobr\u00e9 a barevn\u00e9 eloxov\u00e1n\u00ed jako dobr\u00e9, tak\u017ee 5754 je legitimn\u00ed slitina pro dekorativn\u00ed eloxov\u00e1n\u00ed. Co v\u00e1m v\u0161ak ned\u00e1, je leskl\u00fd, zrcadlov\u00fd povrch \u2014 eloxov\u00e1n\u00ed na lesk je hodnoceno pouze jako p\u0159ijateln\u00e9 a vrstva m\u016f\u017ee m\u00edt teplej\u0161\u00ed odst\u00edn. Pro leskl\u00e9 dekora\u010dn\u00ed prvky specifikujte 5005, 5657 nebo 6063.<\/p>\n\n\n\n

              Oslabuje sva\u0159ov\u00e1n\u00ed 5754?<\/h3>\n\n\n\n

              Korozn\u00ed odolnost p\u0159etrv\u00e1v\u00e1; pevnost v tepeln\u011b ovlivn\u011bn\u00e9 z\u00f3n\u011b nikoli. U materi\u00e1lu H22\/H32 kles\u00e1 HAZ z 220\u2013270 MPa na \u00farove\u0148 \u017e\u00edhan\u00e9ho stavu kolem 190\u2013240 MPa a mez kluzu kles\u00e1 z minim\u00e1ln\u011b 130 MPa na p\u0159ibli\u017en\u011b 80 MPa. Ka\u017edou zat\u011b\u017eovac\u00ed cestu proch\u00e1zej\u00edc\u00ed svarem navrhujte na hodnotu \u017e\u00edhan\u00e9ho stavu. P\u0159\u00eddavn\u00fd materi\u00e1l je obvykle 5356, nebo 5183 pro vy\u0161\u0161\u00ed pevnost svaru.<\/p>\n\n\n\n

              Je slitina 5754 vhodn\u00e1 pro n\u00e1mo\u0159n\u00ed prost\u0159ed\u00ed?<\/h3>\n\n\n\n

              Ano. M\u00e1 vynikaj\u00edc\u00ed korozn\u00ed odolnost v\u016f\u010di mo\u0159sk\u00e9 vod\u011b a pr\u016fmyslov\u00e9 atmosf\u00e9\u0159e a pou\u017e\u00edv\u00e1 se pro ob\u0161\u00edvku trupu, paluby, n\u00e1stavby a kov\u00e1n\u00ed. Pro certifikovanou trupovou konstrukci s maxim\u00e1ln\u00ed pevnost\u00ed je obvykl\u00fdm stupn\u011bm v\u00fd\u0161e 5083 v H116 nebo H321.<\/p>\n\n\n\n

              Lze 5754 pou\u017e\u00edt za zv\u00fd\u0161en\u00fdch teplot?<\/h3>\n\n\n\n

              S opatrnost\u00ed. Ho\u0159\u010d\u00edk dosahuje 3,6 % na horn\u00ed hranici rozsahu, co\u017e je \u00farove\u0148, p\u0159i n\u00ed\u017e vylu\u010dov\u00e1n\u00ed f\u00e1ze \u03b2 pod\u00e9l hranic zrn m\u016f\u017ee sn\u00ed\u017eit odolnost proti mezikrystalov\u00e9 korozi b\u011bhem dlouhodob\u00e9ho p\u016fsoben\u00ed nad p\u0159ibli\u017en\u011b 65\u2013100 \u00b0C. Pro trval\u00fd provoz za zv\u00fd\u0161en\u00fdch teplot je ur\u010dena slitina 5454 a 5052 je bezpe\u010dn\u011bj\u0161\u00ed obecn\u00e1 alternativa.<\/p>","protected":false},"excerpt":{"rendered":"

              What Is 5754 Aluminum? 5754 is a non-heat-treatable wrought aluminium-magnesium alloy, with magnesium (2.6\u20133.6%) as the principal alloying element and manganese plus chromium as controlled minor additions. It is an EN-standard alloy first and a global one second \u2014 registered as UNS A95754, but far more deeply embedded in European supply chains than in North […]<\/p>\n","protected":false},"author":1,"featured_media":10583,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"Mastering 5754 Aluminum Alloy: Expert Tips for Success","_seopress_titles_desc":"Specifying 5754 aluminum? See composition, full O\/H111\/H22\/H24\/H32 mechanical data by temper, forming and welding limits, and when 5052 or 5083 fits better.","_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":[177],"tags":[],"class_list":["post-8419","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-5000_6000-series-aluminum"],"_links":{"self":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/8419","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=8419"}],"version-history":[{"count":3,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/8419\/revisions"}],"predecessor-version":[{"id":10621,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/8419\/revisions\/10621"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media\/10583"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media?parent=8419"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/categories?post=8419"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/tags?post=8419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}