{"id":6776,"date":"2024-11-03T12:36:00","date_gmt":"2024-11-03T12:36:00","guid":{"rendered":"https:\/\/premiumalu.com\/essential-guide-to-2024-o-aluminum-sheet-properties\/"},"modified":"2026-09-12T09:58:28","modified_gmt":"2026-09-12T09:58:28","slug":"zakladni-pruvodce-vlastnostmi-hlinikovych-plechu-2024-o","status":"publish","type":"post","link":"https:\/\/premiumalu.com\/cs\/essential-guide-to-2024-o-aluminum-sheet-properties\/","title":{"rendered":"2024-O hlin\u00edk: Vlastnosti, tv\u00e1\u0159en\u00ed a volba stavu"},"content":{"rendered":"

Co je hlin\u00edk 2024?<\/h2>\n\n\n\n

2024 je slitina \u0159ady 2xxx, jej\u00ed\u017e hlavn\u00edm leguj\u00edc\u00edm prvkem je m\u011b\u010f (3,8\u20134,9 %), podpo\u0159en\u00e1 ho\u0159\u010d\u00edkem a manganem. Pevnosti nab\u00fdv\u00e1 vytvrzov\u00e1n\u00edm precipitac\u00ed, nikoli tv\u00e1\u0159en\u00edm za studena, co\u017e ji \u0159ad\u00ed mezi nejpevn\u011bj\u0161\u00ed hlin\u00edkov\u00e9 slitiny dostupn\u00e9 ve tv\u00e1\u0159en\u00e9 form\u011b.<\/p>\n\n\n\n

Obsah m\u011bdi je tak\u00e9 d\u016fvodem, pro\u010d 2024 koroduje snadn\u011bji ne\u017e slitiny 5xxx nebo 6xxx a je b\u011b\u017en\u011b dod\u00e1v\u00e1na jako alclad nebo chr\u00e1n\u011bna eloxov\u00e1n\u00edm \u010di n\u00e1t\u011brem. Profil pevnosti k hmotnosti je t\u00edm, co \u010din\u00ed 2024 v\u00fdchoz\u00ed volbou pro draky letadel a vysokov\u00fdkonn\u00e9 stroj\u00edrenstv\u00ed \u2014 a pr\u00e1v\u011b proto je rozhodnut\u00ed o stavu vytvrzen\u00ed d\u016fle\u017eit\u011bj\u0161\u00ed ne\u017e samotn\u00e1 slitina. Pro d\u00edly, kter\u00e9 mus\u00ed b\u00fdt tv\u00e1\u0159eny p\u0159ed tepeln\u00fdm zpracov\u00e1n\u00edm, toto rozhodnut\u00ed za\u010d\u00edn\u00e1 u vy\u017e\u00edhan\u00e9ho stavu O.<\/p>\n\n\n\n

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

Porozum\u011bn\u00ed stavu O<\/h2>\n\n\n\n

Stav O je pln\u011b vy\u017e\u00edhan\u00fd stav \u2014 nejm\u011bk\u010d\u00ed a nejta\u017en\u011bj\u0161\u00ed stav v cel\u00e9 rodin\u011b 2024. Vyr\u00e1b\u00ed se oh\u0159evem materi\u00e1lu na p\u0159ibli\u017en\u011b 413 \u00b0C, v\u00fddr\u017e\u00ed dostate\u010dn\u011b dlouhou pro rekrystalizaci tv\u00e1\u0159en\u00e9 struktury a n\u00e1sledn\u00fdm pomal\u00fdm chlazen\u00edm. V\u00fdsledek: \u017e\u00e1dn\u00e9 zbytkov\u00e9 tv\u00e1\u0159en\u00ed za studena, \u017e\u00e1dn\u00e9 precipita\u010dn\u00ed vytvrzen\u00ed a vnit\u0159n\u00ed pnut\u00ed sn\u00ed\u017een\u00e9 na minimum.<\/p>\n\n\n\n

V praxi to znamen\u00e1, \u017ee 2024-O se oh\u00fdb\u00e1, t\u00e1hne a tvaruje tahem s mnohem men\u0161\u00edm odpru\u017een\u00edm a rizikem prask\u00e1n\u00ed ne\u017e jak\u00fdkoli vytvrzen\u00fd stav. Kompromisem je pevnost \u2014 stav O nenese \u017e\u00e1dn\u00e9 precipita\u010dn\u00ed vytvrzen\u00ed, tak\u017ee vykazuje jen zlomek hodnot T3 nebo T4.<\/p>\n\n\n\n

Jak se O li\u0161\u00ed od T3 a T4<\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

T3<\/a> T3 i T4 za\u010d\u00ednaj\u00ed stejn\u00fdm rozpou\u0161t\u011bc\u00edm tepeln\u00fdm zpracov\u00e1n\u00edm a kon\u010d\u00ed p\u0159irozen\u00fdm st\u00e1rnut\u00edm. Stav O oba kroky zcela vynech\u00e1v\u00e1 \u2014 je vy\u017e\u00edhanou z\u00e1kladnou, ze kter\u00e9 jsou tyto stavy budov\u00e1ny. Zat\u00edmco T3 p\u0159id\u00e1v\u00e1 po kalen\u00ed \u0159\u00edzen\u00e9 tv\u00e1\u0159en\u00ed za studena a T4 se spol\u00e9h\u00e1 v\u00fdhradn\u011b na p\u0159irozen\u00e9 st\u00e1rnut\u00ed, O nem\u00e1 ani jedno. Proto se O nach\u00e1z\u00ed na dn\u011b pevnostn\u00ed k\u0159ivky rodiny a na vrcholu jej\u00ed tva\u0159itelnostn\u00ed k\u0159ivky.<\/p>\n\n\n\n

Mechanick\u00e9 vlastnosti 2024-O<\/h2>\n\n\n\n
Majetek<\/th>Hodnota (typick\u00e1)<\/th>Pozn\u00e1mka<\/th><\/tr><\/thead>
Hustota<\/td>2,78 g\/cm\u00b3<\/td>P\u0159ibli\u017en\u011b jedna t\u0159etina oceli<\/td><\/tr>
Mez pevnosti v tahu<\/td>186 MPa (27 ksi)<\/td>Vy\u017e\u00edhan\u00fd stav<\/td><\/tr>
Mez kluzu (0,2 % offset)<\/td>76\u201397 MPa (11\u201314 ksi)<\/td>Nejni\u017e\u0161\u00ed z rodiny 2024; z\u00e1visl\u00e9 na tlou\u0161\u0165ce a pl\u00e1tov\u00e1n\u00ed<\/td><\/tr>
Prodlou\u017een\u00ed p\u0159i p\u0159etr\u017een\u00ed<\/td>~20 % (a\u017e ~22 % u siln\u011bj\u0161\u00edch tlou\u0161t\u011bk)<\/td>Nejvy\u0161\u0161\u00ed z rodiny 2024<\/td><\/tr>
\u00danavov\u00e1 pevnost<\/td>~90 MPa<\/td>Z\u00e1visl\u00e9 na pom\u011bru cykl\u016f<\/td><\/tr>
Smykov\u00e1 pevnost<\/td>~124 MPa<\/td>Referen\u010dn\u00ed hodnota pro spoj s prvky<\/td><\/tr>
Modul pru\u017enosti<\/td>73,1 GPa<\/td>Konstantn\u00ed nap\u0159\u00ed\u010d stavy<\/td><\/tr>
Tvrdost (Brinell)<\/td>~47 HB<\/td>M\u011bkk\u00e9, snadno obrobiteln\u00e9<\/td><\/tr>
Tepeln\u00e1 vodivost<\/td>~121 W\/m\u00b7K<\/td><\/td><\/tr>
Elektrick\u00e1 vodivost<\/td>~30% IACS<\/td><\/td><\/tr>
Rozsah t\u00e1n\u00ed<\/td>502\u2013638 \u00b0C<\/td><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Mez kluzu 76\u201397 MPa je \u010d\u00edslo, kter\u00e9 definuje tento stav. Je to nejm\u011bk\u010d\u00ed stav, v n\u011bm\u017e lze 2024 zakoupit \u2014 p\u0159ibli\u017en\u011b jedna p\u011btina a\u017e jedna \u010dtvrtina kluzu T3 \u2014 a tato m\u011bkkost je pr\u00e1v\u011b t\u00edm podstatn\u00fdm: materi\u00e1l lze agresivn\u011b tv\u00e1\u0159et a pot\u00e9 v pozd\u011bj\u0161\u00edm kroku rozpou\u0161t\u011bc\u00edm tepeln\u011b zpracovat a vytvrdit na konstruk\u010dn\u00ed stav (T42, T4 nebo T6). Ta\u017enost nad 20 % je t\u00edm, co \u010din\u00ed hlubok\u00e9 ta\u017een\u00ed a slo\u017eit\u00e9 oh\u00fdb\u00e1n\u00ed praktick\u00fdm.<\/p>\n\n\n\n

Kde se 2024-O pou\u017e\u00edv\u00e1<\/h2>\n\n\n\n

Leteck\u00e9 a konstruk\u010dn\u00ed d\u00edly tvarovan\u00e9 nejprve<\/h3>\n\n\n\n
\"\"<\/figure>\n\n\n\n

Klasick\u00fdm pou\u017eit\u00edm 2024-O je jako tv\u00e1\u0159ec\u00ed polotovar: plech, deska a ty\u010d se nakupuj\u00ed ve vy\u017e\u00edhan\u00e9m stavu, pot\u00e9 se raz\u00ed, hluboce t\u00e1hnou, tvaruj\u00ed tahem nebo oh\u00fdbaj\u00ed do tvaru, ne\u017e jsou rozpou\u0161t\u011bc\u00edm tepeln\u011b zpracov\u00e1ny a vytvrzeny pro obnoven\u00ed pevnosti. Panely k\u0159\u00eddeln\u00edch potah\u016f, p\u0159ep\u00e1\u017eky trupu a \u017eebrov\u00e9 profily, kter\u00e9 jsou p\u0159\u00edli\u0161 slo\u017eit\u00e9 pro tv\u00e1\u0159en\u00ed v tvrd\u00e9m stavu, se b\u011b\u017en\u011b vyr\u00e1b\u011bj\u00ed t\u00edmto zp\u016fsobem. Vy\u017e\u00edhan\u00fd stav umo\u017e\u0148uje t\u011bsn\u00e9 polom\u011bry a v\u00fdrazn\u00e9 ta\u017een\u00ed bez rizika prask\u00e1n\u00ed jako u T3 nebo T4.<\/p>\n\n\n\n

Prototypov\u00e1n\u00ed, n\u00e1stroj\u00e1\u0159stv\u00ed a obr\u00e1b\u011bn\u00e9 polotovary<\/h3>\n\n\n\n

Pro jednor\u00e1zov\u00e9 d\u00edly, validaci prototyp\u016f a malos\u00e9riovou v\u00fdrobu, kde d\u00edl nen\u00ed pozd\u011bji tepeln\u011b zpracov\u00e1v\u00e1n, se 2024-O chov\u00e1 jako pevn\u00fd, snadno obrobiteln\u00fd materi\u00e1l v jak\u00e9koli form\u011b. Je tak\u00e9 b\u011b\u017en\u00fdm v\u00fdchoz\u00edm bodem pro obr\u00e1b\u011bn\u00e9 polotovary \u2014 ty\u010de, desky a trubky \u2014 kter\u00e9 pot\u0159ebuj\u00ed m\u011bkk\u00fd, stabiln\u00ed stav p\u0159ed kone\u010dn\u00fdm zpracov\u00e1n\u00edm. Tam, kde hotov\u00fd d\u00edl nikdy nedos\u00e1hne pevnosti vytvrzen\u00e9ho stavu, je alclad 2024-O praktickou, proti korozi chr\u00e1n\u011bnou volbou.<\/p>\n\n\n\n

O vs. ostatn\u00ed stavy 2024 \u2014 jak volit<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n
Temperament<\/th>Zpracov\u00e1n\u00ed<\/th>Mez pevnosti (MPa)<\/th>Mez kluzu (MPa)<\/th>Prodlou\u017een\u00ed<\/th>Nejlep\u0161\u00ed pro<\/th>Vyhnout se, kdy\u017e<\/th><\/tr><\/thead>
O<\/td>\u017d\u00edhan\u00e9<\/td>186<\/td>76<\/td>~20%<\/td>Tv\u00e1\u0159ec\u00ed polotovary, hlubok\u00e9 ta\u017een\u00ed, m\u011bkk\u00e9 obr\u00e1b\u011bn\u00ed<\/td>Nosn\u00e1 konstrukce v dodan\u00e9m stavu<\/td><\/tr>
T3<\/td>Rozpou\u0161t\u011bc\u00ed \u017e\u00edh\u00e1n\u00ed + tv\u00e1\u0159en\u00ed za studena + p\u0159irozen\u00e9 st\u00e1rnut\u00ed<\/td>483<\/td>345<\/td>18%<\/td>Plechov\u00e9 potahy, tvarovan\u00e9 a n\u00fdtovan\u00e9 d\u00edly<\/td>Hlubok\u00e9 tv\u00e1\u0159en\u00ed, t\u011bsn\u00e9 ohyby<\/td><\/tr>
T4<\/td>Roztok + p\u0159irozen\u00e9 st\u00e1rnut\u00ed<\/td>469<\/td>324<\/td>~19%<\/td>Tvarovan\u00e9 d\u00edly s vysokou ta\u017enost\u00ed<\/td>Obr\u00e1b\u011bn\u00ed silnost\u011bnn\u00fdch d\u00edl\u016f<\/td><\/tr>
T351<\/td>Rozpou\u0161t\u011bc\u00ed \u017e\u00edh\u00e1n\u00ed + ta\u017een\u00ed + p\u0159irozen\u00e9 st\u00e1rnut\u00ed<\/td>470<\/td>325<\/td>10\u201320%<\/td>Obr\u00e1b\u011bn\u00e9 desky, \u00fanavov\u00e9 konstrukce<\/td>Tv\u00e1\u0159en\u00ed tenk\u00fdch plech\u016f<\/td><\/tr>
T6<\/td>Rozpou\u0161t\u011bc\u00ed \u017e\u00edh\u00e1n\u00ed + um\u011bl\u00e9 st\u00e1rnut\u00ed<\/td>476<\/td>393<\/td>~10%<\/td>\u0160pi\u010dkov\u00e1 statick\u00e1 pevnost, lehce obr\u00e1b\u011bn\u00e9<\/td>D\u00edly kritick\u00e9 z hlediska \u00fanavy nebo siln\u011b obr\u00e1b\u011bn\u00e9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Kdy je O spr\u00e1vnou volbou<\/h3>\n\n\n\n

Dv\u011b podm\u00ednky ukazuj\u00ed na O. D\u00edl bude tv\u00e1\u0159en \u2014 oh\u00fdb\u00e1n, ta\u017een nebo tvarov\u00e1n tahem \u2014 p\u0159ed tepeln\u00fdm zpracov\u00e1n\u00edm, nebo materi\u00e1l mus\u00ed b\u00fdt rozs\u00e1hle zpracov\u00e1v\u00e1n v m\u011bkk\u00e9m stavu. Pokud plat\u00ed kter\u00e1koli z nich, O je jedin\u00fdm stavem 2024, kter\u00fd se tv\u00e1\u0159\u00ed bez rizika prask\u00e1n\u00ed a bez placen\u00ed p\u0159\u00edplatku za pevnost, kter\u00fd zat\u00edm nelze vyu\u017e\u00edt.<\/p>\n\n\n\n

Kdy se hod\u00ed jin\u00e9 temperov\u00e1n\u00ed<\/h3>\n\n\n\n

Kdy\u017e je d\u00edl pou\u017e\u00edv\u00e1n ve tvaru po tv\u00e1\u0159en\u00ed a mus\u00ed okam\u017eit\u011b n\u00e9st konstruk\u010dn\u00ed zat\u00ed\u017een\u00ed, T3 nebo T4 poskytuj\u00ed pevnost, kterou O nem\u016f\u017ee \u2014 T3 vykazuje p\u0159ibli\u017en\u011b 2,6n\u00e1sobek kluzu O. Kdy\u017e je d\u00edl obr\u00e1b\u011bn ze siln\u00e9 desky, T351<\/a> relaxace pnut\u00ed tahem dan\u00e9ho stavu zabra\u0148uje deformaci. Kdy\u017e je jedin\u00fdm c\u00edlem \u0161pi\u010dkov\u00e1 statick\u00e1 pevnost a d\u00edl je lehce obr\u00e1b\u011bn, T6 nebo T851 se hod\u00ed l\u00e9pe. O je v\u00fdchoz\u00ed stav, nikoli kone\u010dn\u00fd stav.<\/p>\n\n\n\n

Pr\u00e1ce s 2024-O \u2014 co pot\u0159ebujete v\u011bd\u011bt<\/h2>\n\n\n\n

Obr\u00e1b\u011bn\u00ed.<\/strong> 2024-O se obr\u00e1b\u00ed snadno ostr\u00fdm n\u00e1strojem. \u0158ezn\u00e9 s\u00edly jsou n\u00edzk\u00e9 a povrchovou \u00fapravu lze snadno dodr\u017eet, ale m\u011bkk\u00fd stav produkuje dlouh\u00e9, vl\u00e1knit\u00e9 t\u0159\u00edsky, kter\u00e9 vy\u017eaduj\u00ed dobrou kontrolu l\u00e1m\u00e1n\u00ed t\u0159\u00edsek.<\/p>\n\n\n\n

Sva\u0159ov\u00e1n\u00ed a spojov\u00e1n\u00ed.<\/strong> Tavn\u00e9 sva\u0159ov\u00e1n\u00ed 2024 se nedoporu\u010duje v \u017e\u00e1dn\u00e9m stavu, v\u010detn\u011b O \u2014 slitina je n\u00e1chyln\u00e1 k hork\u00e9mu prask\u00e1n\u00ed v oblasti svaru a tepeln\u011b ovlivn\u011bn\u00e1 z\u00f3na ztr\u00e1c\u00ed pevnost. N\u00fdtov\u00e1n\u00ed, \u0161roubov\u00e1n\u00ed a lepen\u00ed jsou standardn\u00edmi zp\u016fsoby spojov\u00e1n\u00ed.<\/p>\n\n\n\n

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

Protikorozn\u00ed ochrana.<\/strong> Hol\u00e1 2024-O je st\u00e1le slitina bohat\u00e1 na m\u011b\u010f a v provozu koroduje, proto se materi\u00e1l ve stavu O b\u011b\u017en\u011b dod\u00e1v\u00e1 jako alclad \u2014 tenk\u00e1 vrstva \u010dist\u00e9ho hlin\u00edku v\u00e1lcovan\u00e1 za tepla na povrch \u2014 nebo se po tv\u00e1\u0159en\u00ed chr\u00e1n\u00ed eloxov\u00e1n\u00edm \u010di n\u00e1t\u011brem. Alclad je volba specifikovan\u00e1 p\u0159i objedn\u00e1vce, nikoli v\u00fdchoz\u00ed nastaven\u00ed.<\/p>\n\n\n\n

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

Tv\u00e1\u0159itelnost.<\/strong> Zde si O zaslou\u017e\u00ed sv\u00e9 m\u00edsto: minim\u00e1ln\u00ed polom\u011bry ohybu se sni\u017euj\u00ed, odpru\u017een\u00ed kles\u00e1 a hlubok\u00e9 ta\u017een\u00ed se st\u00e1v\u00e1 praktick\u00fdm nap\u0159\u00ed\u010d plechem, deskou a trubkou. Obr\u00e1b\u011bn\u00e9 polotovary a extrudovan\u00e9 profily v O tak\u00e9 udr\u017euj\u00ed rozm\u011bry b\u011bhem hrubovac\u00edch \u0159ez\u016f, proto\u017ee m\u011bkk\u00fd stav nese mal\u00e9 zbytkov\u00e9 pnut\u00ed. Tvarujte nebo obr\u00e1b\u011bjte d\u00edl v O, pot\u00e9 rozpou\u0161t\u011bc\u00edm tepeln\u011b zpracujte a vytvr\u010fte na T42, T4 nebo T6, pokud konstrukce vy\u017eaduje pevnost.<\/p>\n\n\n\n

V\u00fdhody a omezen\u00ed na prvn\u00ed pohled<\/h2>\n\n\n\n
Faktor<\/th>V\u00fdhoda<\/th>Omezen\u00ed<\/th><\/tr><\/thead>
Tvarovatelnost<\/td>Nejlep\u0161\u00ed z rodiny 2024 \u2014 t\u011bsn\u00e9 ohyby, hlubok\u00e9 ta\u017een\u00ed<\/td>\u017d\u00e1dn\u00e1 konstruk\u010dn\u00ed pevnost v dod\u00e1van\u00e9m stavu<\/td><\/tr>
Pom\u011br pevnosti k hmotnosti<\/td>Zachov\u00e1v\u00e1 n\u00edzkou hustotu roku 2024<\/td>P\u0159ibli\u017en\u011b jedna p\u011btina meze kluzu T3<\/td><\/tr>
Obr\u00e1b\u011bn\u00ed<\/td>N\u00edzk\u00e9 \u0159ezn\u00e9 s\u00edly, snadn\u00e1 \u00faprava povrchu<\/td>Lepkav\u00e9 t\u0159\u00edsky vy\u017eaduj\u00ed kontrolu l\u00e1m\u00e1n\u00ed t\u0159\u00edsek<\/td><\/tr>
Odolnost proti korozi<\/td>Alclad a lakovan\u00e9 varianty dob\u0159e chr\u00e1n\u00ed<\/td>Hol\u00fd materi\u00e1l je st\u00e1le bohat\u00fd na m\u011b\u010f, koroduje v provozu<\/td><\/tr>
Sva\u0159itelnost<\/td>\u2014<\/td>Nen\u00ed sva\u0159iteln\u00fd taven\u00edm \u2014 riziko hork\u00e9ho prask\u00e1n\u00ed<\/td><\/tr>
N\u00e1sledn\u00e9 zpracov\u00e1n\u00ed<\/td>Nejprve tv\u00e1\u0159en\u00ed, pot\u00e9 tepeln\u00e9 zpracov\u00e1n\u00ed na T42\/T4\/T6<\/td>Vy\u017eaduje krok tepeln\u00e9ho zpracov\u00e1n\u00ed pro dosa\u017een\u00ed pevnosti<\/td><\/tr>
Dostupnost<\/td>Standardn\u00ed leteck\u00fd hutn\u00ed v\u00fdrobek, skladem v temperaci O<\/td>\u010casto se kupuje jako tv\u00e1\u0159ec\u00ed polotovar, ne jako hotov\u00fd d\u00edl<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

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

Definuj\u00edc\u00ed kompromis 2024-O: vzd\u00e1v\u00e1 se t\u00e9m\u011b\u0159 ve\u0161ker\u00e9 pevnosti 2024, aby mohl b\u00fdt materi\u00e1l tv\u00e1\u0159en, a pot\u00e9 je tepeln\u011b zpracov\u00e1n zp\u011bt na konstruk\u010dn\u00ed temperaci. N\u00e1kup O s o\u010dek\u00e1v\u00e1n\u00edm pevnosti hotov\u00e9ho d\u00edlu, nebo n\u00e1kup T3 a pokus o hlubok\u00e9 tv\u00e1\u0159en\u00ed, jsou dva re\u017eimy selh\u00e1n\u00ed, kter\u00fdm tato temperace existuje, aby zabr\u00e1nila.<\/p>\n\n\n\n

Spole\u010dnost Linsy Aluminum dod\u00e1v\u00e1 2024-O<\/a> nap\u0159\u00ed\u010d plechem, deskou, ty\u010d\u00ed a trubkou vedle temperac\u00ed T3, T4, T351 a T851, s dokumentac\u00ed MTC ke ka\u017ed\u00e9 objedn\u00e1vce a zku\u0161ebn\u00edmi protokoly SGS na vy\u017e\u00e1d\u00e1n\u00ed. Tov\u00e1rna v Shenzhenu podporuje vlastn\u00ed rozm\u011bry s n\u00edzk\u00fdm MOQ s typickou dodac\u00ed lh\u016ftou 10\u201360 dn\u00ed a vlastn\u00ed laserov\u00e9 \u0159ez\u00e1n\u00ed a CNC obr\u00e1b\u011bn\u00ed pokr\u00fdvaj\u00ed zpracov\u00e1n\u00ed, kter\u00e9 v\u011bt\u0161ina zak\u00e1zek 2024-O pot\u0159ebuje \u2014 tak\u017ee \u017e\u00edhan\u00fd v\u00fdchoz\u00ed bod m\u00e1lokdy zablokuje projekt.<\/p>\n\n\n\n

Pokud bude d\u00edl p\u0159ed tepeln\u00fdm zpracov\u00e1n\u00edm tv\u00e1\u0159en, za\u0161lete v\u00fdkres nebo specifikaci 2024-O spole\u010dnosti Linsy Aluminum pro kontrolu skladu a cenovou nab\u00eddku.<\/p>\n\n\n\n

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

Jak\u00fd je rozd\u00edl mezi 2024-O a 2024-T3?<\/h3>\n\n\n\n

O je \u017e\u00edhan\u00fd z\u00e1klad: \u017e\u00e1dn\u00e9 rozpou\u0161t\u011bc\u00ed \u017e\u00edh\u00e1n\u00ed, \u017e\u00e1dn\u00e9 tv\u00e1\u0159en\u00ed za studena, \u017e\u00e1dn\u00e9 st\u00e1rnut\u00ed \u2014 p\u0159ibli\u017en\u011b 186 MPa UTS a 76\u201397 MPa mez kluzu s ta\u017enost\u00ed nad 20%. T3 p\u0159id\u00e1v\u00e1 rozpou\u0161t\u011bc\u00ed \u017e\u00edh\u00e1n\u00ed, 1\u20133% tv\u00e1\u0159en\u00ed za studena a p\u0159irozen\u00e9 st\u00e1rnut\u00ed pro dosa\u017een\u00ed 483\/345 MPa na \u00fakor ta\u017enosti. O je pro nejprve tv\u00e1\u0159en\u00ed; T3 je pro pevnost v dod\u00e1van\u00e9m stavu.<\/p>\n\n\n\n

Lze 2024-O tepeln\u011b zpracovat na pevnost T4 nebo T6?<\/h3>\n\n\n\n

Ano \u2014 to je standardn\u00ed postup. Polotovar 2024-O tv\u00e1\u0159en\u00fd do d\u00edlu m\u016f\u017ee b\u00fdt podroben rozpou\u0161t\u011bc\u00edmu \u017e\u00edh\u00e1n\u00ed a st\u00e1rnut\u00ed do stavu T42 nebo T4 (a v n\u011bkter\u00fdch pr\u016f\u0159ezech T6<\/a>), \u010d\u00edm\u017e se obnov\u00ed konstruk\u010dn\u00ed pevnost rodiny. Tento krok tepeln\u00e9ho zpracov\u00e1n\u00ed pat\u0159\u00ed zpracovateli nebo kal\u00edrn\u011b, nikoli dodavateli z hut\u011b.<\/p>\n\n\n\n

Je 2024-O snadno sva\u0159iteln\u00fd?<\/h3>\n\n\n\n

Ne. Jako ka\u017ed\u00e1 temperace 2024, O nen\u00ed sva\u0159iteln\u00fd taven\u00edm \u2014 slitina je n\u00e1chyln\u00e1 k hork\u00e9mu prask\u00e1n\u00ed a tepeln\u011b ovlivn\u011bn\u00e1 z\u00f3na ztr\u00e1c\u00ed pevnost. N\u00fdty, \u0161rouby nebo lepen\u00ed jsou standardn\u00ed metody spojov\u00e1n\u00ed.<\/p>\n\n\n\n

Je 2024-O odoln\u00fd proti korozi?<\/h3>\n\n\n\n

Hol\u00fd 2024-O je slitina bohat\u00e1 na m\u011b\u010f a v provozu bude korodovat; nem\u011bl by b\u00fdt pova\u017eov\u00e1n za samostatn\u011b korozivzdorn\u00fd. Materi\u00e1l v temperaci O se \u010dasto objedn\u00e1v\u00e1 jako alclad, s \u010dist\u00fdm hlin\u00edkem v\u00e1lcovan\u00fdm na povrchy, nebo je po tv\u00e1\u0159en\u00ed chr\u00e1n\u011bn anodizac\u00ed nebo n\u00e1t\u011brem.<\/p>\n\n\n\n

Jakou dodac\u00ed lh\u016ftu mohu o\u010dek\u00e1vat pro materi\u00e1l 2024-O na m\u00edru?<\/h3>\n\n\n\n

Skladov\u00e9 standardn\u00ed rozm\u011bry se expeduj\u00ed rychle. Nestandardn\u00ed rozm\u011bry proch\u00e1zej\u00ed vlastn\u00ed v\u00fdrobou s n\u00edzk\u00fdm MOQ s typickou dodac\u00ed lh\u016ftou 10\u201360 dn\u00ed v z\u00e1vislosti na form\u011b, velikosti a p\u0159\u00edpadn\u00e9m zpracov\u00e1n\u00ed, jako je laserov\u00e9 \u0159ez\u00e1n\u00ed nebo obr\u00e1b\u011bn\u00ed. Ka\u017ed\u00e1 objedn\u00e1vka je expedov\u00e1na s MTC a zku\u0161ebn\u00ed protokoly SGS jsou k dispozici na vy\u017e\u00e1d\u00e1n\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"

What Is 2024 Aluminum? 2024 is a 2xxx-series alloy whose primary alloying element is copper (3.8\u20134.9%), supported by magnesium and manganese. It gains strength through precipitation hardening rather than cold work, which puts it among the strongest aluminum alloys available in wrought form. That copper content is also why 2024 corrodes more readily than 5xxx […]<\/p>\n","protected":false},"author":1,"featured_media":10505,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"2024-O Aluminum: Properties, Forming Guide","_seopress_titles_desc":"2024-0 aluminum is the annealed baseline of the 2024 family: 186 MPa tensile, maximum formability, lowest strength. Compare O vs T3\/T4 and form-then-heat-treat.","_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":[174,180],"tags":[],"class_list":["post-6776","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-2000-series-aluminum","category-aluminum-alloy"],"_links":{"self":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/6776","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=6776"}],"version-history":[{"count":2,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/6776\/revisions"}],"predecessor-version":[{"id":10512,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/6776\/revisions\/10512"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media\/10505"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media?parent=6776"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/categories?post=6776"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/tags?post=6776"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}