{"id":8859,"date":"2025-06-28T10:28:36","date_gmt":"2025-06-28T10:28:36","guid":{"rendered":"https:\/\/premiumalu.com\/5456-aluminum-your-comprehensive-guide-to-the-alloy\/"},"modified":"2026-09-22T13:44:11","modified_gmt":"2026-09-22T13:44:11","slug":"5456-hlinik-vas-komplexni-pruvodce-slitinou","status":"publish","type":"post","link":"https:\/\/premiumalu.com\/cs\/5456-aluminum-your-comprehensive-guide-to-the-alloy\/","title":{"rendered":"Komplexn\u00ed pr\u016fvodce slitinou hlin\u00edku 5456"},"content":{"rendered":"

Co je hlin\u00edk 5456?<\/h2>\n\n\n\n

5456 je tv\u00e1\u0159en\u00e1 slitina hlin\u00edku a ho\u0159\u010d\u00edku ze s\u00e9rie 5xxx, kde 4,7\u20135,5 % ho\u0159\u010d\u00edku nahrazuje zpev\u0148ov\u00e1n\u00ed tuh\u00e9ho roztoku, ke kter\u00e9mu by jinak doch\u00e1zelo tepeln\u00fdm zpracov\u00e1n\u00edm. Nen\u00ed tepeln\u011b zpracovateln\u00e1, tak\u017ee ka\u017ed\u00fd dodate\u010dn\u00fd megapascal poch\u00e1z\u00ed ze zpev\u0148ov\u00e1n\u00ed deformac\u00ed a obsahu leguj\u00edc\u00edch prvk\u016f, nikoli z cyklu kalen\u00ed a st\u00e1rnut\u00ed. Mangan p\u0159id\u00e1v\u00e1 hou\u017eevnatost a chrom \u0159\u00edd\u00ed strukturu zrn, co\u017e spole\u010dn\u011b d\u00e1v\u00e1 slitin\u011b 5456 nejvy\u0161\u0161\u00ed pevnost ve stavu po v\u00fdrob\u011b ze b\u011b\u017en\u011b skladovan\u00fdch slitin 5xxx.<\/p>\n\n\n\n

Tato hladina ho\u0159\u010d\u00edku je tak\u00e9 zdrojem jedin\u00e9ho v\u00e1\u017en\u00e9ho omezen\u00ed t\u00e9to slitiny. Nad p\u0159ibli\u017en\u011b 3 % ho\u0159\u010d\u00edku slitina Al-Mg udr\u017eovan\u00e1 po del\u0161\u00ed dobu nad p\u0159ibli\u017en\u011b 65 \u00b0C precipituje beta f\u00e1zi pod\u00e9l hranic zrn, a tato s\u00ed\u0165 je anodick\u00e1 v\u016f\u010di okoln\u00ed matrici. Koroze pak postupuje pod\u00e9l hranic zrn nam\u00edsto nap\u0159\u00ed\u010d povrchem, co\u017e je d\u016fvod, pro\u010d vysokoho\u0159\u010d\u00edkov\u00e9 jakosti vy\u017eaduj\u00ed specifick\u00fd stav zpracov\u00e1n\u00ed \u2014 nejen specifickou slitinu \u2014 aby byly pova\u017eov\u00e1ny za p\u0159ijateln\u00e9 pro n\u00e1mo\u0159n\u00ed pou\u017eit\u00ed.<\/p>\n\n\n\n

Chemick\u00e9 slo\u017een\u00ed 5456<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n

N\u00ed\u017ee uveden\u00e9 limity jsou podle ASTM B209 pro plechy a desky. Obsah titanu se li\u0161\u00ed mezi sousedn\u00edmi jakostmi: 5456 povoluje max. 0,20, zat\u00edmco 5056 povoluje pouze max. 0,15, tak\u017ee tyto dv\u011b hodnoty nesm\u00ed b\u00fdt vz\u00e1jemn\u011b zam\u011b\u0148ov\u00e1ny.<\/p>\n\n\n\n

Prvek<\/th>Slo\u017een\u00ed (% hmotnostn\u011b)<\/th><\/tr><\/thead>
K\u0159em\u00edk (Si)<\/td>0,25 max.<\/td><\/tr>
\u017delezo (Fe)<\/td>max 0,40<\/td><\/tr>
M\u011b\u010f (Cu)<\/td>0,10 max<\/td><\/tr>
Mangan (Mn)<\/td>0.50\u20131.00<\/td><\/tr>
Ho\u0159\u010d\u00edk (Mg)<\/td>4.7\u20135.5<\/td><\/tr>
Chrom (Cr)<\/td>0.05\u20130.20<\/td><\/tr>
Zinek (Zn)<\/td>0,25 max.<\/td><\/tr>
Titan (Ti)<\/td>max 0,20<\/td><\/tr>
Ostatn\u00ed, ka\u017ed\u00fd<\/td>0,05 max<\/td><\/tr>
Ostatn\u00ed, celkem<\/td>0,15 max<\/td><\/tr>
Hlin\u00edk (Al)<\/td>Bilance<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Dv\u011b polo\u017eky si zaslou\u017e\u00ed pozornost na objedn\u00e1vce. Ho\u0159\u010d\u00edk na t\u00e9to \u00farovni je to, co dod\u00e1v\u00e1 pevnost, kter\u00e1 stav\u00ed 5456 nad 5083, tak\u017ee certifik\u00e1t vykazuj\u00edc\u00ed ho\u0159\u010d\u00edk bl\u00edzko spodn\u00ed hranice rozsahu by m\u011bl vyvolat ot\u00e1zku, jak velk\u00e1 \u010d\u00e1st pevnostn\u00ed v\u00fdhody z\u016fst\u00e1v\u00e1 zachov\u00e1na. M\u011b\u010f je omezena na 0,10 %, proto\u017ee m\u011b\u010f p\u0159\u00edmo p\u016fsob\u00ed proti korozn\u00ed odolnosti v mo\u0159sk\u00e9 vod\u011b.<\/p>\n\n\n\n

Mechanick\u00e9 vlastnosti 5456 podle stavu zpracov\u00e1n\u00ed<\/h2>\n\n\n\n

Typick\u00e9 hodnoty n\u00ed\u017ee jsou \u010derp\u00e1ny z dat ASM a Aluminum Association pro v\u00e1lcovan\u00e9 v\u00fdrobky. Jsou u\u017eite\u010dn\u00e9 pro srovn\u00e1n\u00ed a ranou f\u00e1zi n\u00e1vrhu, ale zaru\u010den\u00e9 hodnoty se \u0159\u00edd\u00ed p\u0159\u00edslu\u0161nou specifikac\u00ed a tlou\u0161\u0165kou a rozhoduj\u00edc\u00ed pro skute\u010dn\u011b dodan\u00fd materi\u00e1l je atest hutn\u00edho podniku.<\/p>\n\n\n\n

Temperament<\/th>Pevnost v tahu (MPa)<\/th>Mez kluzu (MPa)<\/th>Prodlou\u017een\u00ed (%)<\/th>Typick\u00e1 tvrdost (HB)<\/th><\/tr><\/thead>
O (\u017e\u00edhan\u00fd)<\/td>310<\/td>159<\/td>24<\/td>\u2014<\/td><\/tr>
H111<\/td>310<\/td>180<\/td>14<\/td>\u2014<\/td><\/tr>
H112<\/td>310<\/td>166<\/td>22<\/td>\u2014<\/td><\/tr>
H116 \/ H321<\/td>350<\/td>255<\/td>12<\/td>90<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Pro cokoli \u0159\u00edzen\u00e9 normou ASTM B928 je z\u00e1vazn\u00fdm \u010d\u00edslem minim\u00e1ln\u00ed hodnota podle p\u0159edpisu, nikoli typick\u00e1 hodnota:<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n
Temperament<\/th>Rozsah tlou\u0161\u0165ky<\/th>Pevnost v tahu, min. (MPa)<\/th>Mez kluzu, min. (MPa)<\/th>Ta\u017enost, min. (%)<\/th><\/tr><\/thead>
5456-H116 \/ H321<\/td>3\u201340 mm<\/td>315<\/td>230<\/td>10<\/td><\/tr>
5083-H116 \/ H321<\/td>3\u201350 mm<\/td>275<\/td>215<\/td>10<\/td><\/tr>
5086-H116 \/ H321<\/td>3\u201350 mm<\/td>240<\/td>195<\/td>10<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\u0158\u00e1dek, kter\u00fd zde hraje nejv\u011bt\u0161\u00ed roli, je prvn\u00ed. Ve srovn\u00e1n\u00ed s 5083-H116 poskytuje 5456-H116 p\u0159ibli\u017en\u011b o 40 MPa vy\u0161\u0161\u00ed pevnost v tahu a asi o 15 MPa vy\u0161\u0161\u00ed mez kluzu p\u0159i stejn\u00e9m minimu podle p\u0159edpisu, co\u017e je cel\u00fd komer\u010dn\u00ed d\u016fvod pro jeho volbu nam\u00edsto mnohem b\u011b\u017en\u011bji skladovan\u00e9 5083.<\/p>\n\n\n\n

Pro\u010d existuj\u00ed H116 a H321: Limit senzibilizace p\u0159i 65 \u00b0C<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Senzibilizace je re\u017eim poruchy, kter\u00fd ur\u010duje, jak m\u016f\u017ee b\u00fdt 5456 specifikov\u00e1na. Nad p\u0159ibli\u017en\u011b 3 % ho\u0159\u010d\u00edku dlouhodob\u00e9 vystaven\u00ed v rozsahu 65 \u00b0C a v\u00fd\u0161e vytla\u010duje rozpu\u0161t\u011bn\u00fd ho\u0159\u010d\u00edk z tuh\u00e9ho roztoku do \u010d\u00e1stic beta f\u00e1ze pod\u00e9l hranic zrn. Jakmile tyto \u010d\u00e1stice vytvo\u0159\u00ed souvislou s\u00ed\u0165, slitina se st\u00e1v\u00e1 n\u00e1chylnou k mezikrystalov\u00e9 korozi, exfolia\u010dn\u00ed korozi a korozn\u00edmu prask\u00e1n\u00ed za nap\u011bt\u00ed \u2014 v\u0161echny tyto jevy postupuj\u00ed vnit\u0159n\u011b a jsou snadno p\u0159ehl\u00e9dnuteln\u00e9 p\u0159i vizu\u00e1ln\u00ed kontrole.<\/p>\n\n\n\n

5456 nem\u016f\u017ee b\u00fdt z tohoto d\u016fvodu vy\u0148ata tepeln\u00fdm zpracov\u00e1n\u00edm. Je to tepeln\u011b nezpracovateln\u00e1 slitina a neexistuje \u017e\u00e1dn\u00fd cyklus st\u00e1rnut\u00ed, kter\u00fd by rozpustil vytvo\u0159enou s\u00ed\u0165 na hranic\u00edch zrn. Jakmile k senzibilizaci dojde, stav je trval\u00fd.<\/p>\n\n\n\n

H116 a H321 existuj\u00ed speci\u00e1ln\u011b proto, aby tento mechanismus odd\u00e1lily. Oba jsou stavy zpevn\u011bn\u00e9 deformac\u00ed, kter\u00e9 proch\u00e1zej\u00ed stabiliza\u010dn\u00edm tepeln\u00fdm zpracov\u00e1n\u00edm, je\u017e vede p\u0159\u00edpadn\u00e9 \u010d\u00e1stice beta f\u00e1ze do jemn\u00e9ho, dispergovan\u00e9ho rozlo\u017een\u00ed uvnit\u0159 zrn nam\u00edsto souvisl\u00e9ho filmu mezi nimi. ASTM B928 pak v\u00fdsledek ov\u011b\u0159uje: desky H116 a H321 mus\u00ed proj\u00edt zkou\u0161kou exfolia\u010dn\u00ed koroze s hodnocen\u00edm ne hor\u0161\u00edm ne\u017e PB a limitem \u00fabytku hmotnosti p\u0159i mezikrystalov\u00e9 korozi 15 mg\/cm\u00b2.<\/p>\n\n\n\n

Stav<\/th>Co to znamen\u00e1 v praxi<\/th>Typick\u00fd jazyk nab\u00eddky<\/th><\/tr><\/thead>
H116<\/td>Zpevn\u011bno deformac\u00ed, stabilizov\u00e1no pro spln\u011bn\u00ed limit\u016f exfoliace a mezikrystalov\u00e9 koroze podle B928<\/td>Specifikov\u00e1no tam, kde je vy\u017eadov\u00e1no schv\u00e1len\u00ed klasifika\u010dn\u00ed spole\u010dnosti<\/td><\/tr>
H321<\/td>Zpevn\u011bno deformac\u00ed a stabilizov\u00e1no s \u0159\u00edzen\u00fdm krokem studen\u00e9ho tv\u00e1\u0159en\u00ed<\/td>Specifikov\u00e1no pro sva\u0159ovan\u00e9 konstrukce s definovan\u00fdmi mechanick\u00fdmi minimy<\/td><\/tr>
H112<\/td>Lehce zpevn\u011bno deformac\u00ed z v\u00fdrobn\u00edho procesu, bez korozn\u00ed kvalifikace<\/td>P\u0159ijateln\u00e9 pro obecn\u00e9 konstrukce, nikoli samostatn\u011b pro kontakt s mo\u0159skou vodou<\/td><\/tr>
O<\/td>Pln\u011b \u017e\u00edh\u00e1no, maxim\u00e1ln\u00ed tva\u0159itelnost<\/td>Pou\u017e\u00edv\u00e1 se pro n\u00e1ro\u010dn\u00e9 tv\u00e1\u0159en\u00ed, obvykle n\u00e1sledovan\u00e9 sva\u0159ov\u00e1n\u00edm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Praktick\u00e9 pravidlo je jednoduch\u00e9: pokud je sou\u010d\u00e1st vystavena mo\u0159sk\u00e9 vod\u011b a z\u016fst\u00e1v\u00e1 na m\u00edst\u011b roky, mus\u00ed \u0159\u00e1dek stavu zpracov\u00e1n\u00ed uv\u00e1d\u011bt H116 nebo H321. Nab\u00eddka, kter\u00e1 pro stejnou sou\u010d\u00e1st nab\u00edz\u00ed H112, je levn\u011bj\u0161\u00ed proto, \u017ee nenese korozn\u00ed kvalifikaci, nikoli proto, \u017ee by kov byl n\u011bjak odli\u0161n\u00fd.<\/p>\n\n\n\n

Fyzik\u00e1ln\u00ed vlastnosti 5456<\/h2>\n\n\n\n
Majetek<\/th>Typick\u00e1 hodnota<\/th><\/tr><\/thead>
Hustota<\/td>2,66 g\/cm\u00b3<\/td><\/tr>
Rozsah t\u00e1n\u00ed<\/td>570\u2013638 \u00b0C<\/td><\/tr>
Tepeln\u00e1 vodivost<\/td>117\u2013127 W\/m\u00b7K<\/td><\/tr>
Elektrick\u00e1 vodivost<\/td>28,5\u201329,5 % IACS<\/td><\/tr>
Modul pru\u017enosti<\/td>69\u201374 GPa<\/td><\/tr>
Koeficient tepeln\u00e9 rozta\u017enosti<\/td>23.9 \u00d7 10-\u2076 \/\u00b0C<\/td><\/tr>
Magnetick\u00e1 odezva<\/td>Nemagnetick\u00e1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Tyto dv\u011b hodnoty vodivosti jsou ni\u017e\u0161\u00ed, ne\u017e v\u011bt\u0161ina konstrukt\u00e9r\u016f o\u010dek\u00e1v\u00e1, a p\u0159\u00edmo vypl\u00fdvaj\u00ed z obsahu ho\u0159\u010d\u00edku. Ka\u017ed\u00e9 procento ho\u0159\u010d\u00edku v tuh\u00e9m roztoku rozptyluje elektrony a fonony, tak\u017ee 5456 s p\u0159ibli\u017en\u011b 29 % IACS a 120 W\/m\u00b7K se nach\u00e1z\u00ed v\u00fdrazn\u011b pod 5052 s p\u0159ibli\u017en\u011b 35 % IACS a 138 W\/m\u00b7K. Jak\u00e9koli pou\u017eit\u00ed, kde sou\u010d\u00e1st slou\u017e\u00ed jako vodi\u010d nebo tepeln\u00fd rozvad\u011b\u010d, pracuje proti chemick\u00e9mu slo\u017een\u00ed.<\/p>\n\n\n\n

Korozn\u00ed odolnost a n\u00e1mo\u0159n\u00ed pou\u017eit\u00ed<\/h2>\n\n\n\n

V mo\u0159sk\u00e9 vod\u011b a n\u00e1mo\u0159n\u00edch atmosf\u00e9r\u00e1ch si 5456 vede dob\u0159e \u2014 za p\u0159edpokladu, \u017ee stav zpracov\u00e1n\u00ed nese svou korozn\u00ed kvalifikaci. Oxidov\u00fd film, kter\u00fd se samovoln\u011b vytv\u00e1\u0159\u00ed, je stabilizov\u00e1n obsahem ho\u0159\u010d\u00edku a chromu, co\u017e zpomaluje \u00fatok chlorid\u016f a udr\u017euje d\u016flkovou korozi m\u011blkou. V praxi to znamen\u00e1 ni\u017e\u0161\u00ed \u00fadr\u017ebu v such\u00e9m doku ve srovn\u00e1n\u00ed s nat\u00edranou ocel\u00ed a dlouhou provozn\u00ed historii na opl\u00e1\u0161t\u011bn\u00ed trupu.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

T\u0159i podm\u00ednky tento obraz m\u011bn\u00ed:<\/p>\n\n\n\n

    \n
  • Trval\u00e1 teplota nad p\u0159ibli\u017en\u011b 65 \u00b0C.<\/strong> Konstrukce strojoven, vyh\u0159\u00edvan\u00e9 n\u00e1dr\u017ee a armatury v bl\u00edzkosti v\u00fdfuk\u016f jsou klasick\u00fdmi p\u0159\u00edpady selh\u00e1n\u00ed. Bu\u010f p\u0159esu\u0148te sou\u010d\u00e1st pry\u010d od zdroje tepla, nebo p\u0159ejd\u011bte na 5454, jeho\u017e ni\u017e\u0161\u00ed obsah ho\u0159\u010d\u00edku jej udr\u017euje mimo rozsah senzibilizace.<\/li>\n\n\n\n
  • Siln\u00e9 pr\u016f\u0159ezy pod trval\u00fdm tahov\u00fdm nap\u011bt\u00edm.<\/strong> Siln\u00e1 deska zadr\u017euje v\u00edce zbytkov\u00e9ho pnut\u00ed po sva\u0159ov\u00e1n\u00ed a SCC vy\u017eaduje jak n\u00e1chylnou cestu, tak nap\u011bt\u00ed. Siln\u011bj\u0161\u00ed pr\u016f\u0159ezy u 5456 si zaslou\u017e\u00ed v\u00fdslovn\u00e9 in\u017een\u00fdrsk\u00e9 posouzen\u00ed.<\/li>\n\n\n\n
  • Kontakt s odli\u0161n\u00fdmi kovy.<\/strong> Hlin\u00edk je anodick\u00fd v\u016f\u010di m\u011bdi, mosazi a nerezov\u00e9 oceli. Izolace a odvodn\u011bn\u00ed mus\u00ed b\u00fdt navr\u017eeny, nikoli objeveny v provozu.<\/li>\n<\/ul>\n\n\n\n

    Pr\u00e1ce s 5456: tv\u00e1\u0159en\u00ed, sva\u0159ov\u00e1n\u00ed a obr\u00e1b\u011bn\u00ed<\/h2>\n\n\n\n

    Sva\u0159ov\u00e1n\u00ed.<\/strong> 5456 se dob\u0159e sva\u0159uje metodami MIG a TIG, ale konstruk\u010dn\u00ed n\u00e1vrh spoje nem\u016f\u017ee vyu\u017e\u00edvat vlastnosti z\u00e1kladn\u00edho materi\u00e1lu. Proto\u017ee slitina nen\u00ed vytvrzovateln\u00e1 tepeln\u00fdm zpracov\u00e1n\u00edm, tepeln\u011b ovlivn\u011bn\u00e1 z\u00f3na se \u017e\u00edh\u00e1 zp\u011bt sm\u011brem ke stavu O a z\u016fst\u00e1v\u00e1 v n\u011bm \u2014 \u017e\u00e1dn\u00e9 n\u00e1sledn\u00e9 tepeln\u00e9 zpracov\u00e1n\u00ed ji neobnov\u00ed. Vlastnosti svarov\u00e9ho kovu z p\u0159\u00eddavn\u00e9ho materi\u00e1lu ER5556 na z\u00e1kladn\u00ed desce 5083 nebo 5456 se pohybuj\u00ed kolem 280\u2013310 MPa v tahu a 130\u2013165 MPa v kluzu, oproti 255 MPa v kluzu pro z\u00e1kladn\u00ed materi\u00e1l H116. To je p\u0159ibli\u017en\u011b 35\u201345% pokles meze kluzu v bl\u00edzkosti spoje a dovolen\u00e1 nap\u011bt\u00ed podle AWS D1.2 s t\u00edm ji\u017e po\u010d\u00edtaj\u00ed, proto navrhujte podle hodnoty \u017e\u00edhan\u00e9 HAZ, nikoli podle zakoupen\u00e9ho stavu.<\/p>\n\n\n\n

    V\u00fdpl\u0148<\/th>Obsah ho\u0159\u010d\u00edku<\/th>Kdy se hod\u00ed<\/th>Na co si d\u00e1t pozor<\/th><\/tr><\/thead>
    ER5556<\/td>~5.0%<\/td>V\u00fdchoz\u00ed volba pro 5456 \u2014 odpov\u00edd\u00e1 z\u00e1kladn\u00ed slitin\u011b a nejl\u00e9pe zachov\u00e1v\u00e1 korozn\u00ed odolnost<\/td>Omezen\u00e1 dostupnost mimo n\u00e1mo\u0159n\u00ed dodavatelsk\u00e9 \u0159et\u011bzce<\/td><\/tr>
    ER5183<\/td>~4.8%<\/td>Kde z\u00e1le\u017e\u00ed na maxim\u00e1ln\u00ed pevnosti spoje ve stavu po sva\u0159ov\u00e1n\u00ed<\/td>Ov\u011b\u0159te podle schv\u00e1len\u00e9ho postupu<\/td><\/tr>
    ER5356<\/td>~4.5%<\/td>Obecn\u00e1 v\u00fdroba z 5xxx, \u0161iroce skladem<\/td>Nedoporu\u010duje se pro trval\u00fd provoz nad p\u0159ibli\u017en\u011b 65 \u00b0C<\/td><\/tr>
    ER4043<\/td>Obsahuje k\u0159em\u00edk<\/td>Vyhn\u011bte se u 5456<\/td>K\u0159em\u00edk se slu\u010duje s ho\u0159\u010d\u00edkem na k\u0159ehk\u00fd Mg\u2082Si a svar se anodizac\u00ed zbarv\u00ed \u010dern\u011b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    Tv\u00e1\u0159en\u00ed.<\/strong> Tva\u0159itelnost se \u0159\u00edd\u00ed stavem. O a H111 zvl\u00e1daj\u00ed t\u011b\u017ek\u00e9 oh\u00fdb\u00e1n\u00ed a ta\u017een\u00ed; H116 a H321 snesou m\u00edrn\u00e9 tv\u00e1\u0159en\u00ed, ale polom\u011bry ohybu mus\u00ed b\u00fdt v\u011bt\u0161\u00ed, ne\u017e by d\u00edlna zvykl\u00e1 na 5052 o\u010dek\u00e1vala. Za studena siln\u011b tvarovan\u00e1 deska H321 a jej\u00ed n\u00e1sledn\u00e9 uveden\u00ed do provozu zvy\u0161uje riziko prask\u00e1n\u00ed i vy\u0161\u0161\u00edho zbytkov\u00e9ho nap\u011bt\u00ed, co\u017e p\u0159\u00edmo p\u0159isp\u00edv\u00e1 k v\u00fd\u0161e popsan\u00e9mu mechanismu SCC.<\/p>\n\n\n\n

    Obr\u00e1b\u011bn\u00ed.<\/strong> 5456 se obr\u00e1b\u00ed p\u0159ijateln\u011b, ale je \u201egumov\u011bj\u0161\u00ed\u201c ne\u017e vytvrzovateln\u00e9 slitiny, tak\u017ee odvod t\u0159\u00edsek a ostr\u00e9 n\u00e1stroje jsou d\u016fle\u017eit\u011bj\u0161\u00ed ne\u017e v\u00fdkon v\u0159etena. \u0158\u00edzen\u00ed t\u0159\u00edsky se zlep\u0161uje s v\u011bt\u0161\u00edmi \u00fahly \u010dela a pozitivn\u00ed geometri\u00ed \u0159ezu.<\/p>\n\n\n\n

    Povrchov\u00e1 \u00faprava.<\/strong> Jako v\u0161echny slitiny 5xxx se 5456 anodizac\u00ed zbarv\u00ed do tlumen\u00e9 \u0161ed\u00e9, nikoli do jasn\u00e9ho povrchu, a nebude barevn\u011b odpov\u00eddat extrudovan\u00e9mu profilu z 6063. Pokud je vzhled krit\u00e9riem, specifikujte tento po\u017eadavek p\u0159ed zad\u00e1n\u00edm objedn\u00e1vky, m\u00edsto abyste to zjistili a\u017e p\u0159i mont\u00e1\u017ei.<\/p>\n\n\n\n

    5456 vs 5083 vs 5086 vs 5052: Jak vybrat<\/h2>\n\n\n\n
    Slitina a stav<\/th>Pevnost v tahu, min. (MPa)<\/th>Mez kluzu, min. (MPa)<\/th>Ho\u0159\u010d\u00edk (%)<\/th>Kde vynik\u00e1<\/th><\/tr><\/thead>
    5456-H116<\/td>315<\/td>230<\/td>4.7\u20135.5<\/td>Nejvy\u0161\u0161\u00ed pevnost ze skupiny p\u0159i kontaktu s mo\u0159skou vodou<\/td><\/tr>
    5083-H116<\/td>275<\/td>215<\/td>4.0\u20134.9<\/td>Nej\u0161ir\u0161\u00ed dostupnost, nejl\u00e9pe zdokumentovan\u00e9 zku\u0161enosti v n\u00e1mo\u0159n\u00edm prost\u0159ed\u00ed<\/td><\/tr>
    5086-H116<\/td>240<\/td>195<\/td>3.5\u20134.5<\/td>Dobr\u00fd v\u00fdkon v n\u00e1mo\u0159n\u00edm prost\u0159ed\u00ed p\u0159i ni\u017e\u0161\u00edch n\u00e1kladech a lep\u0161\u00ed tva\u0159itelnosti<\/td><\/tr>
    5052-H32<\/td>215<\/td>160<\/td>2.2\u20132.8<\/td>Tvarov\u011b n\u00e1ro\u010dn\u00e9 plechov\u00e9 pr\u00e1ce, bez limitu senzibilizace<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    \u010cten\u00ed sloupce ho\u0159\u010d\u00edku vysv\u011btluje t\u00e9m\u011b\u0159 v\u0161e o chov\u00e1n\u00ed t\u011bchto \u010dty\u0159 slitin. Vy\u0161\u0161\u00ed obsah ho\u0159\u010d\u00edku p\u0159in\u00e1\u0161\u00ed pevnost a stoj\u00ed teplotn\u00ed zp\u016fsobilost: dva vysokoho\u0159\u010d\u00edkov\u00e9 stupn\u011b maj\u00ed omezen\u00ed na 65 \u00b0C, zat\u00edmco 5052 s 2,2\u20132,8% nikoli. Dostupnost jde opa\u010dn\u00fdm sm\u011brem \u2014 5083 je skladem t\u00e9m\u011b\u0159 v\u0161ude a 5456 je v mnoha servisn\u00edch centrech zak\u00e1zkov\u00e1 polo\u017eka, co\u017e se odr\u00e1\u017e\u00ed v cen\u011b i dodac\u00ed lh\u016ft\u011b.<\/p>\n\n\n\n

    Go\/No-Go: Kdy specifikovat 5456<\/h2>\n\n\n\n
    \"\"<\/figure>\n\n\n\n

    N\u00e1sleduj\u00edc\u00ed polo\u017eky odpov\u00eddaj\u00ed na ot\u00e1zku, zda slitinu pou\u017e\u00edt. Aplikace jsou pops\u00e1ny samostatn\u011b v dal\u0161\u00ed sekci \u2014 tato sekce pokr\u00fdv\u00e1 rozhodnut\u00ed, tamta pokr\u00fdv\u00e1 c\u00edlov\u00e9 pou\u017eit\u00ed.<\/p>\n\n\n\n

    Go \u2014 5456 se hod\u00ed, kdy\u017e:<\/strong><\/p>\n\n\n\n

      \n
    • N\u00e1vrh pot\u0159ebuje vy\u0161\u0161\u00ed pevnost, ne\u017e poskytuje 5083-H116, a tlou\u0161\u0165ku nelze zv\u011bt\u0161it jako kompenzaci<\/li>\n\n\n\n
    • Konstrukce je sva\u0159ovan\u00e1, z\u016fst\u00e1v\u00e1 v kontaktu s mo\u0159skou vodou a specifikace m\u016f\u017ee vy\u017eadovat H116 nebo H321 s v\u00fdsledky zkou\u0161ek podle B928<\/li>\n\n\n\n
    • Z\u00e1le\u017e\u00ed na odolnosti proti n\u00e1razu a hou\u017eevnatosti p\u0159i n\u00edzk\u00fdch teplot\u00e1ch, v\u010detn\u011b kryogenn\u00edho a offshore provozu<\/li>\n\n\n\n
    • Tepeln\u00e1 rozta\u017enost mus\u00ed z\u016fstat p\u0159edv\u00eddateln\u00e1 v\u016f\u010di dokumentovan\u00e9mu koeficientu rozta\u017enosti p\u0159i dynamick\u00e9m zat\u00ed\u017een\u00ed<\/li>\n<\/ul>\n\n\n\n

      No-Go \u2014 zvolte n\u011bco jin\u00e9ho, kdy\u017e:<\/strong><\/p>\n\n\n\n

        \n
      • Teplota kovu m\u016f\u017ee trvale p\u0159ekro\u010dit p\u0159ibli\u017en\u011b 65 \u00b0C \u2014 p\u0159ejd\u011bte na 5454<\/li>\n\n\n\n
      • Rozhodnut\u00ed dominuje dodac\u00ed lh\u016fta a dostupnost skladem \u2014 5083 je bezpe\u010dn\u011bj\u0161\u00ed dodavatelsk\u00fd \u0159et\u011bzec<\/li>\n\n\n\n
      • D\u00edl pot\u0159ebuje jasn\u00fd nebo barevn\u011b slad\u011bn\u00fd anodizovan\u00fd povrch \u2014 pou\u017eijte 6xxx<\/li>\n\n\n\n
      • Tv\u00e1\u0159en\u00ed p\u0159eva\u017euje nad pevnost\u00ed \u2014 5052 nebo 5086 budou levn\u011bj\u0161\u00ed a sn\u00e1ze tvarovateln\u00e9<\/li>\n\n\n\n
      • Projekt vy\u017eaduje pevnost, kterou dod\u00e1 pouze tepeln\u00e9 zpracov\u00e1n\u00ed \u2014 p\u0159ejd\u011bte na vytvrzovatelnou \u0159adu<\/li>\n<\/ul>\n\n\n\n

        Kde se 5456 pou\u017e\u00edv\u00e1<\/h2>\n\n\n\n

        N\u00e1mo\u0159n\u00ed a lodn\u00ed pr\u016fmysl.<\/strong> Trupov\u00e9 pl\u00e1tov\u00e1n\u00ed, paluby, p\u0159ep\u00e1\u017eky a n\u00e1stavby na hl\u00eddkov\u00fdch \u010dlunech, pracovn\u00edch lod\u00edch a rychlostn\u00edch plavidlech jsou z\u00e1kladn\u00ed sadou aplikac\u00ed. 5456 si sv\u00e9 m\u00edsto zaslou\u017e\u00ed tam, kde se vyplat\u00ed zaplatit za sn\u00ed\u017een\u00ed hmotnosti, proto\u017ee pevnostn\u00ed rezerva oproti 5083 umo\u017e\u0148uje konstrukt\u00e9rovi trupu tlou\u0161\u0165ku sp\u00ed\u0161e ubrat ne\u017e p\u0159idat.<\/p>\n\n\n\n

        Obrann\u00e9 a ochrann\u00e9 konstrukce.<\/strong> Panc\u00e9\u0159ov\u00e9 desky pro vojensk\u00e1 vozidla, sou\u010d\u00e1sti vojensk\u00fdch mostn\u00edch konstrukc\u00ed a proti v\u00fdbuchu odoln\u00e9 sestavy pou\u017e\u00edvaj\u00ed 5456 pro absorpci energie v kombinaci s balistick\u00fdm v\u00fdkonem. MIL-DTL-46027 je jedna specifikace pokr\u00fdvaj\u00edc\u00ed tuto oblast a nese vlastn\u00ed po\u017eadavky na stav a zkou\u0161en\u00ed nad r\u00e1mec komer\u010dn\u00edch norem.<\/p>\n\n\n\n

        Tlakov\u00e9 n\u00e1doby a t\u011b\u017ek\u00e9 sva\u0159ovan\u00e9 konstrukce.<\/strong> 5456 se objevuje u skladovac\u00edch n\u00e1dr\u017e\u00ed, tlakov\u00fdch n\u00e1dob a velk\u00fdch p\u0159epravn\u00edch r\u00e1m\u016f, kde n\u00e1vrh \u0159\u00edd\u00ed celistvost sva\u0159ovan\u00fdch spoj\u016f. \u00da\u010dinnost spoje se mus\u00ed v\u017edy po\u010d\u00edtat z vlastnost\u00ed \u017e\u00edhan\u00e9 HAZ, nikoli z hodnot z\u00e1kladn\u00edho materi\u00e1lu H116.<\/p>\n\n\n\n

        Kryogenn\u00ed a offshore provoz.<\/strong> Na rozd\u00edl od uhl\u00edkov\u00e9 oceli netrp\u00ed slitiny 5xxx p\u0159echodem z tv\u00e1rn\u00e9ho na k\u0159ehk\u00fd lom s klesaj\u00edc\u00ed teplotou a jak pevnost, tak ta\u017enost se zlep\u0161uj\u00ed. To \u010din\u00ed 5456 pou\u017eitelnou pro kryogenn\u00ed n\u00e1dr\u017ee a pro offshore konstrukce vystaven\u00e9 chladn\u00e9mu klimatu.<\/p>\n\n\n\n

        V\u00fdhody a omezen\u00ed na prvn\u00ed pohled<\/h2>\n\n\n\n
        Rozm\u011br<\/th>V\u00fdhoda<\/th>Omezen\u00ed<\/th><\/tr><\/thead>
        S\u00edla<\/td>Nejvy\u0161\u0161\u00ed pevnost ve stavu po v\u00fdrob\u011b mezi b\u011b\u017en\u00fdmi slitinami 5xxx<\/td>Neexistuje \u017e\u00e1dn\u00e1 cesta tepeln\u00e9ho zpracov\u00e1n\u00ed, jak ji d\u00e1le zv\u00fd\u0161it<\/td><\/tr>
        Koroze<\/td>Vynikaj\u00edc\u00ed v\u00fdkon v mo\u0159sk\u00e9 vod\u011b s kvalifikac\u00ed H116\/H321<\/td>Vy\u017eaduje tento stav; H112 nenese \u017e\u00e1dnou korozn\u00ed kvalifikaci<\/td><\/tr>
        Teplota<\/td>Stabiln\u00ed v chladn\u00e9m provozu, v\u010detn\u011b kryogenn\u00edho<\/td>Nepou\u017eiteln\u00e9 nad p\u0159ibli\u017en\u011b 65 \u00b0C kv\u016fli senzibilizaci<\/td><\/tr>
        Sva\u0159itelnost<\/td>\u010cist\u011b sva\u0159iteln\u00e9 metodami MIG a TIG s odpov\u00eddaj\u00edc\u00edm p\u0159\u00eddavn\u00fdm materi\u00e1lem<\/td>HAZ se vy\u017e\u00edh\u00e1 do stavu O s ~35\u201345% ztr\u00e1tou meze kluzu, trvalou<\/td><\/tr>
        Dostupnost<\/td>Dod\u00e1v\u00e1no ml\u00fdny a skladovateli zam\u011b\u0159en\u00fdmi na n\u00e1mo\u0159n\u00ed aplikace<\/td>Ten\u010d\u00ed dodavatelsk\u00fd \u0159et\u011bzec a del\u0161\u00ed dodac\u00ed lh\u016fty ne\u017e 5083<\/td><\/tr>
        N\u00e1klady<\/td>Opodstat\u0148uje se tam, kde pevnost umo\u017e\u0148uje redukci tlou\u0161\u0165ky<\/td>Vy\u0161\u0161\u00ed cena za kilogram a \u010dasto po\u017eadavek na celn\u00ed stav<\/td><\/tr>
        Tvarovatelnost<\/td>Obrateln\u00fd v O a H111<\/td>H116\/H321 vy\u017eaduj\u00ed velk\u00e9 polom\u011bry ohybu a pe\u010dliv\u00e9 tv\u00e1\u0159en\u00ed za studena<\/td><\/tr>
        Vzhled<\/td>P\u0159ijateln\u00fd s barvou nebo povlakem<\/td>Anodizuje se \u0161ed\u011b, nebude barevn\u011b odpov\u00eddat 6063<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

        Zaji\u0161\u0165ov\u00e1n\u00ed 5456: Co specifikovat<\/h2>\n\n\n\n

        Popt\u00e1vka na 5456, kter\u00e1 obsahuje n\u00e1sleduj\u00edc\u00ed polo\u017eky, bude ocen\u011bna spr\u00e1vn\u011b napoprv\u00e9. Ta, kter\u00e1 je neobsahuje, vr\u00e1t\u00ed levn\u011bj\u0161\u00ed nab\u00eddku na materi\u00e1l, kter\u00fd neprojde inspekc\u00ed:<\/p>\n\n\n\n

        Polo\u017eka specifikace<\/th>Co uv\u00e9st<\/th>Pro\u010d to m\u011bn\u00ed nab\u00eddku<\/th><\/tr><\/thead>
        Temperament<\/td>H116 nebo H321 pro cokoli, co p\u0159ich\u00e1z\u00ed do styku s mo\u0159skou vodou<\/td>Korozn\u011b testovan\u00fd plech stoj\u00ed v\u00edce ne\u017e H112<\/td><\/tr>
        Standardn\u00ed<\/td>ASTM B928 pro n\u00e1mo\u0159n\u00ed aplikace, B209 pro obecn\u00fd tvar v\u00fdrobku<\/td>Ka\u017ed\u00fd nese r\u016fzn\u00e9 po\u017eadavky na zkou\u0161ky<\/td><\/tr>
        Rozsah tlou\u0161\u0165ky<\/td>P\u0159\u00edslu\u0161n\u00e9 rozsahy m\u011bn\u00ed mechanick\u00e1 minima<\/td>Minima klesaj\u00ed s rostouc\u00ed tlou\u0161\u0165kou<\/td><\/tr>
        Zkou\u0161ka exfoliace \/ IGC<\/td>Vy\u017eadov\u00e1no, pokud je d\u00edl v kontaktu s mo\u0159skou vodou<\/td>B928 vy\u017eaduje \u2264PB a \u226415 mg\/cm\u00b2<\/td><\/tr>
        certifik\u00e1ty<\/td>MTC vy\u017eadov\u00e1n; SGS testov\u00e1n\u00ed, pokud je specifikov\u00e1no projektem<\/td>Sledovatelnost je sou\u010d\u00e1st\u00ed dod\u00e1vky<\/td><\/tr>
        Tvar a velikost<\/td>Plech, tabule, ty\u010d, trubka nebo profil s rozm\u011bry<\/td>Ur\u010duje routing ml\u00fdna a dodac\u00ed lh\u016ftu<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

        Linsy dod\u00e1v\u00e1 5456 ve form\u011b plechu, tabule, ty\u010de, trubky a extrudovan\u00fdch profil\u016f, nej\u010dast\u011bji ve stavu O, H111, H112, H116 a H321. Typick\u00e1 dod\u00e1vka v rozsahu plech\u016f sah\u00e1 od 6 mm do 120 mm tlou\u0161\u0165ky, s plechem a svitkem a\u017e do p\u0159ibli\u017en\u011b 0,5 mm; jin\u00e9 velikosti lze projednat podle specifikace objedn\u00e1vky. Ka\u017ed\u00e1 z\u00e1silka odch\u00e1z\u00ed s certifik\u00e1tem ml\u00fdna dokumentuj\u00edc\u00edm slo\u017een\u00ed a mechanick\u00e9 vlastnosti, a na vy\u017e\u00e1d\u00e1n\u00ed lze zajistit zpr\u00e1vy t\u0159et\u00ed strany SGS \u2014 v\u010detn\u011b chemick\u00fdch, mechanick\u00fdch, ultrazvukov\u00fdch a rozm\u011brov\u00fdch. V\u00fdroba prob\u00edh\u00e1 pod syst\u00e9my ISO 9001, ISO 14001 a ISO 45001.<\/p>\n\n\n\n

        Vlastn\u00ed velikosti pro neskladov\u00e9 polo\u017eky obvykle trvaj\u00ed 10\u201360 dn\u00ed v z\u00e1vislosti na slitin\u011b, rozm\u011brech, zpracov\u00e1n\u00ed a slo\u017eitosti objedn\u00e1vky, a je k dispozici vlastn\u00ed v\u00fdroba s n\u00edzk\u00fdm MOQ. Intern\u00ed podpora zahrnuje CNC obr\u00e1b\u011bn\u00ed, sva\u0159ov\u00e1n\u00ed MIG a TIG, laserov\u00e9 \u0159ez\u00e1n\u00ed a povrchov\u00e9 \u00fapravy v\u010detn\u011b anodizace a le\u0161t\u011bn\u00ed.<\/p>\n\n\n\n

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

        5456 poskytuje p\u0159ibli\u017en\u011b 40 MPa dodate\u010dn\u00e9 pevnosti oproti 5083-H116 p\u0159i stejn\u00e9m k\u00f3dov\u00e9m minimu, a \u00fa\u010dtuje si za to dv\u011b tvrd\u00e9 podm\u00ednky: stav mus\u00ed b\u00fdt H116 nebo H321 pro cokoli, co p\u0159ich\u00e1z\u00ed do styku s mo\u0159skou vodou, a konstrukce mus\u00ed z\u016fstat pod p\u0159ibli\u017en\u011b 65 \u00b0C, jinak p\u0159ej\u00edt na 5454. V t\u011bchto dvou pravidlech se projekty s 5456 pokaz\u00ed, a ani jedno se neobjevuje v datov\u00e9m listu p\u0159edan\u00e9m ve f\u00e1zi nab\u00eddky.<\/p>\n\n\n\n

        Linsy Aluminum pracuje p\u0159esn\u011b s touto hranic\u00ed. Dod\u00e1v\u00e1me 5456 ve form\u011b plechu, tabule, ty\u010de, trubky a profil\u016f ve stavu O, H111, H112, H116 a H321, s certifik\u00e1tem ml\u00fdna vydan\u00fdm pro ka\u017edou objedn\u00e1vku a voliteln\u00fdmi zpr\u00e1vami SGS, kde projekt vy\u017eaduje ov\u011b\u0159en\u00ed t\u0159et\u00ed stranou. Pokud existuj\u00ed jak\u00e9koli pochybnosti o tom, zda je provozn\u00ed teplota nebo stav vhodn\u00fd pro dan\u00fd design, po\u0161lete v\u00fdkres a provozn\u00ed podm\u00ednky \u2014 potvrd\u00edme, kter\u00e1 specifikace skute\u010dn\u011b mus\u00ed b\u00fdt uvedena na objedn\u00e1vce p\u0159ed jej\u00edm zad\u00e1n\u00edm.<\/p>\n\n\n\n

        \u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n\n\n\n

        Je 5456 pevn\u011bj\u0161\u00ed ne\u017e 5083?<\/h3>\n\n\n\n

        Ano, o u\u017eite\u010dn\u00fd rozd\u00edl p\u0159i k\u00f3dov\u00e9m minimu. ASTM B928 stanovuje 5456-H116 na 315 MPa v tahu a 230 MPa meze kluzu oproti 275 MPa a 215 MPa pro 5083-H116, tak\u017ee rozd\u00edl je p\u0159ibli\u017en\u011b 40 MPa v tahu a 15 MPa meze kluzu ve stejn\u00e9m rozsahu tlou\u0161\u0165ky. Kompromisem je z\u00e1sobov\u00e1n\u00ed: 5083 je skladov\u00e1no mnohem \u0161\u00ed\u0159eji a jeho n\u00e1mo\u0159n\u00ed provozn\u00ed z\u00e1znam je dokumentov\u00e1n na v\u00edce plavidlech.<\/p>\n\n\n\n

        Pro\u010d je 65 \u00b0C uveden\u00fd limit pro 5456?<\/h3>\n\n\n\n

        Nad p\u0159ibli\u017en\u011b 3% ho\u0159\u010d\u00edku dlouhodob\u00e9 vystaven\u00ed kolem 65 \u00b0C a v\u00fd\u0161e vytahuje rozpu\u0161t\u011bn\u00fd ho\u0159\u010d\u00edk z roztoku a precipituje beta f\u00e1zi pod\u00e9l hranic zrn. To vytv\u00e1\u0159\u00ed anodickou cestu mezi zrny, otev\u00edr\u00e1 dve\u0159e mezikrystalov\u00e9 korozi, exfoliaci a korozi za nap\u011bt\u00ed. Proto\u017ee 5456 nelze tepeln\u011b zpracovat, stav nelze po jeho vzniku vr\u00e1tit zp\u011bt. D\u00edly v bl\u00edzkosti motor\u016f, vyh\u0159\u00edvan\u00fdch n\u00e1dr\u017e\u00ed nebo v\u00fdfukov\u00fdch veden\u00ed jsou obvykl\u00fdmi vin\u00edky a 5454 je standardn\u00ed n\u00e1hradou v t\u011bchto z\u00f3n\u00e1ch.<\/p>\n\n\n\n

        Kter\u00fd stav by m\u011bl b\u00fdt specifikov\u00e1n pro palubn\u00ed plech \u010del\u00edc\u00ed mo\u0159sk\u00e9 vod\u011b?<\/h3>\n\n\n\n

        H116 nebo H321, uveden\u00fd s ASTM B928. Oba dost\u00e1vaj\u00ed stabiliza\u010dn\u00ed \u00fapravu, kter\u00e1 rozptyluje \u010d\u00e1stice beta f\u00e1ze uvnit\u0159 zrn, m\u00edsto aby jim umo\u017enila vytvo\u0159it souvisl\u00fd film na hranic\u00edch, a B928 ov\u011b\u0159uje v\u00fdsledek zkou\u0161kou exfoliace na PB nebo lep\u0161\u00ed a limitem mezikrystalov\u00e9ho \u00fabytku hmotnosti 15 mg\/cm\u00b2. H112 stoj\u00ed mimo tuto kvalifikaci a nen\u00ed n\u00e1hradou p\u0159i kontaktu se slanou vodou.<\/p>\n\n\n\n

        Co se stane s pevnost\u00ed po sva\u0159ov\u00e1n\u00ed 5456?<\/h3>\n\n\n\n

        Z\u00f3na ovlivn\u011bn\u00e1 teplem se vy\u017e\u00edh\u00e1 zp\u011bt sm\u011brem ke stavu O a z\u016fst\u00e1v\u00e1 tam, proto\u017ee \u017e\u00e1dn\u00e9 tepeln\u00e9 zpracov\u00e1n\u00ed po sva\u0159ov\u00e1n\u00ed neobnov\u00ed deforma\u010dn\u00ed zpevn\u011bn\u00ed. N\u00e1var ER5556 na z\u00e1kladn\u00edm plechu 5456 obvykle d\u00e1v\u00e1 280\u2013310 MPa v tahu a 130\u2013165 MPa meze kluzu, oproti p\u0159ibli\u017en\u011b 255 MPa meze kluzu pro z\u00e1kladn\u00ed kov H116 \u2014 sn\u00ed\u017een\u00ed o 35\u201345% v bl\u00edzkosti svaru. Dovolen\u00e1 nap\u011bt\u00ed AWS D1.2 ji\u017e toto p\u0159edpokl\u00e1daj\u00ed, tak\u017ee spoje mus\u00ed b\u00fdt navr\u017eeny na hodnoty vy\u017e\u00edhan\u00e9 HAZ, nikoli na specifikovan\u00fd stav.<\/p>\n\n\n\n

        Lze 5456 anodizovat?<\/h3>\n\n\n\n

        Ano, ale neprodukuje to povrch, kter\u00fd v\u011bt\u0161ina lid\u00ed o\u010dek\u00e1v\u00e1. Jako v\u0161echny slitiny 5xxx se anodizuje do tlumen\u00e9 \u0161ed\u00e9 sp\u00ed\u0161e ne\u017e na leskl\u00fd povrch a nebude barevn\u011b odpov\u00eddat extrudovan\u00e9mu 6063. Tam, kde z\u00e1le\u017e\u00ed na vzhledu, to mus\u00ed b\u00fdt dohodnuto p\u0159ed objedn\u00e1n\u00edm, nebo zachyceno prost\u0159ednictv\u00edm barvy a povlaku.<\/p>","protected":false},"excerpt":{"rendered":"

        What Is 5456 Aluminum? 5456 is a wrought aluminum-magnesium alloy in the 5xxx series, with 4.7\u20135.5% magnesium replacing solid-solution strengthening where heat treatment would otherwise go. It is non-heat-treatable, so every extra megapascal comes from strain hardening and alloy content rather than from a quench-and-age cycle. Manganese adds toughness and chromium controls grain structure, which […]<\/p>\n","protected":false},"author":1,"featured_media":10613,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"5456 Aluminum: Properties, Tempers, and Marine Applications","_seopress_titles_desc":"A practical 5456 aluminum guide: mechanical properties by temper, why H116 and H321 matter for seawater, welding filler choice, and comparisons with 5083.","_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-8859","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\/8859","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=8859"}],"version-history":[{"count":2,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/8859\/revisions"}],"predecessor-version":[{"id":10619,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/8859\/revisions\/10619"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media\/10613"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media?parent=8859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/categories?post=8859"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/tags?post=8859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}