{"id":8372,"date":"2025-03-23T12:25:19","date_gmt":"2025-03-23T12:25:19","guid":{"rendered":"https:\/\/premiumalu.com\/mastering-2219-aluminum-ultimate-guide-for-success\/"},"modified":"2026-07-27T12:39:29","modified_gmt":"2026-07-27T12:39:29","slug":"mastering-2219-hlinik-konecny-pruvodce-pro-uspech","status":"publish","type":"post","link":"https:\/\/premiumalu.com\/cs\/mastering-2219-aluminum-ultimate-guide-for-success\/","title":{"rendered":"Kone\u010dn\u00fd pr\u016fvodce slitinou hlin\u00edku 2219"},"content":{"rendered":"<h2>\u00davod<\/h2>\n<p><a href=\"https:\/\/premiumalu.com\/cs\/produkt\/2219-aluminum\/\">2219 hlin\u00edk<\/a> je slitina \u0159ady 2xxx navr\u017een\u00e1 pro extr\u00e9mn\u00ed teploty \u2014 zachov\u00e1v\u00e1 pevnost p\u0159i kryogenn\u00edch teplot\u00e1ch a uchov\u00e1v\u00e1 u\u017eite\u010dn\u00e9 mechanick\u00e9 vlastnosti p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch a\u017e do 315 \u00b0C, tedy v rozsahu, kde v\u011bt\u0161ina <a href=\"https:\/\/premiumalu.com\/cs\/produkt\/2219-aluminum\/\">hlin\u00edk<\/a> slitin v\u00fdrazn\u011b m\u011bkne. P\u016fvodn\u011b vyvinuta pro leteck\u00e9 palivov\u00e9 n\u00e1dr\u017ee a vysokoteplotn\u00ed konstrukce, 2219 tak\u00e9 vynik\u00e1 jako jedna z m\u00e1la slitin \u0159ady 2xxx, kter\u00e9 lze spolehliv\u011b sva\u0159ovat. Tento pr\u016fvodce mapuje, kde slitina funguje, kde jsou jej\u00ed limity a jak ji porovnat s 2024, 7075 a 6061.<\/p>\n<h2>Chemick\u00e9 slo\u017een\u00ed<\/h2>\n<p>2219 je syst\u00e9m Al-Cu-Mn s mal\u00fdmi p\u0159\u00eddavky titanu, vanadu a zirkonu pro zjemn\u011bn\u00ed zrna a vysokoteplotn\u00ed stabilitu:<\/p>\n<ul>\n<li>M\u011b\u010f: 5,8\u20136,8 %<\/li>\n<li>Mangan: 0,2\u20130,4 %<\/li>\n<li>\u017delezo: \u22640,3 %<\/li>\n<li>K\u0159em\u00edk: \u22640,2 %<\/li>\n<li>Titan: 0,02\u20130,1 %<\/li>\n<li>Vanad: 0,05\u20130,15 %<\/li>\n<li>Zirkon: 0,1\u20130,25 %<\/li>\n<li>Zinek: \u22640,1 %<\/li>\n<li>Zbytek: Hlin\u00edk<\/li>\n<\/ul>\n<h2>Kl\u00ed\u010dov\u00e9 vlastnosti<\/h2>\n<h3>Pevnost a v\u00fdkon p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch<\/h3>\n<p>V temperu T62 dosahuje 2219 pevnosti v tahu p\u0159ibli\u017en\u011b 414\u2013455 MPa s mez\u00ed kluzu v rozsahu 290\u2013345 MPa. Definuj\u00edc\u00ed v\u00fdhodou oproti 2024 a 7075 je zachovan\u00e1 pevnost p\u0159i zv\u00fd\u0161en\u00e9 teplot\u011b \u2014 2219 si udr\u017euje u\u017eite\u010dn\u00e9 mechanick\u00e9 vlastnosti nad 250 \u00b0C, kde 2024 i 7075 prudce klesaj\u00ed. P\u0159i kryogenn\u00edch teplot\u00e1ch se pevnost v tahu a mez kluzu zvy\u0161uj\u00ed bez odpov\u00eddaj\u00edc\u00ed ztr\u00e1ty hou\u017eevnatosti.<\/p>\n<h3>Lomov\u00e1 hou\u017eevnatost<\/h3>\n<p>2219 poskytuje vysokou lomovou hou\u017eevnatost v temperech T62 a T87 \u2014 kritickou vlastnost pro leteck\u00e9 tlakov\u00e9 n\u00e1doby a kryogenn\u00ed n\u00e1dr\u017eov\u00e9 konstrukce. Slitina odol\u00e1v\u00e1 \u0161\u00ed\u0159en\u00ed trhlin l\u00e9pe ne\u017e v\u011bt\u0161ina slitin \u0159ady 7000 p\u0159i srovnateln\u00fdch \u00farovn\u00edch pevnosti.<\/p>\n<h3>Sva\u0159itelnost<\/h3>\n<p>2219 je jedna z m\u00e1la slitin \u0159ady 2xxx hodnocen\u00fdch jako sva\u0159iteln\u00e1. Standardn\u00edmi procesy jsou GTAW (TIG) a GMAW (MIG). P\u0159\u00eddavn\u00fd materi\u00e1l 2319 se doporu\u010duje pro shodu se slo\u017een\u00edm z\u00e1kladn\u00edho kovu. Po sva\u0159ov\u00e1n\u00ed je obvykle nutn\u00e9 op\u011btovn\u00e9 tepeln\u00e9 zpracov\u00e1n\u00ed pro obnoven\u00ed pln\u00e9 pevnosti v oblasti svaru.<\/p>\n<h3>Odolnost proti korozi<\/h3>\n<p>Stejn\u011b jako v\u011bt\u0161ina slitin \u0159ady 2xxx m\u00e1 hol\u00e1 2219 omezenou korozn\u00ed odolnost kv\u016fli vysok\u00e9mu obsahu m\u011bdi. Pl\u00e1tov\u00e1n\u00ed nebo ochrann\u00fd povlak je standardem pro venkovn\u00ed nebo korozn\u00ed prost\u0159ed\u00ed. Odolnost proti d\u016flkov\u00e9 korozi se zlep\u0161uje v temperech T87 a T851 d\u00edky \u0159\u00edzen\u00e9 struktu\u0159e zrna.<\/p>\n<h2>2219 vs. ostatn\u00ed slitiny<\/h2>\n<h3>2219 vs. 2024<\/h3>\n<p>2024 poskytuje vy\u0161\u0161\u00ed pevnost p\u0159i pokojov\u00e9 teplot\u011b (~470 MPa pevnost v tahu v T4) a je v\u00fdchoz\u00ed slitinou pro leteck\u00e9 plechy. 2219 ob\u011btuje \u010d\u00e1st pevnosti p\u0159i pokojov\u00e9 teplot\u011b ve prosp\u011bch v\u00fdkonu p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch a sva\u0159itelnosti \u2014 rozhoduj\u00edc\u00edm faktorem je, zda d\u00edl pracuje nad 150 \u00b0C nebo vy\u017eaduje tavn\u00e9 sva\u0159ov\u00e1n\u00ed.<\/p>\n<h3>2219 vs. 7075<\/h3>\n<p>7075-T6 m\u00e1 vy\u0161\u0161\u00ed pevnost p\u0159i pokojov\u00e9 teplot\u011b (~570 MPa pevnost v tahu), ale nedoporu\u010duje se pro tavn\u00e9 sva\u0159ov\u00e1n\u00ed. 2219 v\u00edt\u011bz\u00ed, kdy\u017e jsou sva\u0159itelnost, zachov\u00e1n\u00ed pevnosti p\u0159i vysok\u00fdch teplot\u00e1ch nebo kryogenn\u00ed hou\u017eevnatost kritick\u00fdmi faktory. 7075 v\u00edt\u011bz\u00ed, kdy\u017e je jedin\u00fdm po\u017eadavkem \u0161pi\u010dkov\u00fd pom\u011br pevnosti k hmotnosti p\u0159i pokojov\u00e9 teplot\u011b.<\/p>\n<h3>2219 vs. 6061<\/h3>\n<p>6061 je sva\u0159iteln\u00e1, korozn\u011b odoln\u00e1 a \u0161iroce dostupn\u00e1 za ni\u017e\u0161\u00ed cenu, ale jej\u00ed v\u00fdkon p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch je omezen\u00fd a pevnost je v\u00fdrazn\u011b ni\u017e\u0161\u00ed (~310 MPa pevnost v tahu v T6). 2219 je volbou, kdy\u017e provozn\u00ed teplotn\u00ed rozsah p\u0159ekra\u010duje praktick\u00fd limit slitiny 6061.<\/p>\n<h2>B\u011b\u017en\u00e9 stavy zpracov\u00e1n\u00ed<\/h2>\n<ul>\n<li><strong>T62:<\/strong> Rozpou\u0161t\u011bc\u00ed \u017e\u00edh\u00e1n\u00ed a um\u011bl\u00e9 st\u00e1rnut\u00ed. Nejpou\u017e\u00edvan\u011bj\u0161\u00ed temper pro obecn\u00e9 leteck\u00e9 aplikace.<\/li>\n<li><strong>T87:<\/strong> Rozpou\u0161t\u011bc\u00ed \u017e\u00edh\u00e1n\u00ed, tv\u00e1\u0159en\u00ed za studena a um\u011bl\u00e9 st\u00e1rnut\u00ed. Poskytuje vy\u0161\u0161\u00ed pevnost a lep\u0161\u00ed odolnost proti korozn\u00edmu prask\u00e1n\u00ed \u2014 preferov\u00e1no pro konstruk\u010dn\u00ed a tlakov\u00e9 n\u00e1doby.<\/li>\n<li><strong>T851:<\/strong> Rozpou\u0161t\u011bc\u00ed \u017e\u00edh\u00e1n\u00ed, odleh\u010den\u00ed pnut\u00ed ta\u017een\u00edm a um\u011bl\u00e9 st\u00e1rnut\u00ed. Voleno, kdy\u017e je pro p\u0159esn\u011b obr\u00e1b\u011bn\u00e9 d\u00edly nutn\u00e1 kontrola zbytkov\u00e9ho pnut\u00ed.<\/li>\n<\/ul>\n<h2>Krit\u00e9ria pou\u017eit\u00ed \/ nepou\u017eit\u00ed<\/h2>\n<p>Pou\u017eijte tento rychl\u00fd p\u0159ehled k rozhodnut\u00ed, zda 2219 vyhovuje va\u0161\u00ed aplikaci.<\/p>\n<p><strong>Pou\u017eijte \u2014 2219 pou\u017eijte, kdy\u017e:<\/strong><\/p>\n<ul>\n<li>D\u00edl bude pracovat v \u0161irok\u00e9m teplotn\u00edm rozsahu, od kryogenn\u00edch teplot po 250 \u00b0C a v\u00edce \u2014 2219 si zachov\u00e1v\u00e1 pevnost p\u0159i obou extr\u00e9mech l\u00e9pe ne\u017e 2024 nebo 7075. Typick\u00e9 aplikace: leteck\u00e9 palivov\u00e9 n\u00e1dr\u017ee, kryogenn\u00ed z\u00e1sobn\u00edky, raketov\u00e9 komponenty.<\/li>\n<li>Je vy\u017eadov\u00e1no tavn\u00e9 sva\u0159ov\u00e1n\u00ed a st\u00e1le je pot\u0159eba pevnost p\u0159i pokojov\u00e9 teplot\u011b nad 400 MPa \u2014 2219 je sva\u0159iteln\u00e1 s p\u0159\u00eddavn\u00fdm materi\u00e1lem 2319, na rozd\u00edl od v\u011bt\u0161iny ostatn\u00edch slitin \u0159ady 2xxx a 7xxx. Typick\u00e9 aplikace: sva\u0159ovan\u00e9 tlakov\u00e9 n\u00e1doby, konstruk\u010dn\u00ed leteck\u00e9 sva\u0159ence.<\/li>\n<li>Vysok\u00e1 lomov\u00e1 hou\u017eevnatost p\u0159i \u00farovn\u00edch pevnosti nad 400 MPa je specifika\u010dn\u00edm po\u017eadavkem \u2014 2219-T87 odol\u00e1v\u00e1 \u0161\u00ed\u0159en\u00ed trhlin l\u00e9pe ne\u017e 7075-T6.<\/li>\n<\/ul>\n<p><strong>Nepou\u017e\u00edvejte \u2014 2219 nepou\u017e\u00edvejte, kdy\u017e:<\/strong><\/p>\n<ul>\n<li>\u0160pi\u010dkov\u00e1 pevnost p\u0159i pokojov\u00e9 teplot\u011b je jedin\u00fdm krit\u00e9riem \u2014 2024-T3 nebo 7075-T6 nab\u00edzej\u00ed vy\u0161\u0161\u00ed pevnost v tahu za ni\u017e\u0161\u00ed cenu a s \u0161ir\u0161\u00ed dostupnost\u00ed.<\/li>\n<li>Je po\u017eadov\u00e1na korozn\u00ed odolnost v hol\u00e9m (nepl\u00e1tovan\u00e9m) stavu \u2014 pl\u00e1tov\u00e1n\u00ed nebo ochrann\u00fd povlak je pro 2219 v korozn\u00edm prost\u0159ed\u00ed povinn\u00fd.<\/li>\n<li>Cel\u00fd rozsah prac\u00ed zahrnuje b\u011b\u017en\u00e9 zpracov\u00e1n\u00ed standardn\u00edmi hlin\u00edkov\u00fdmi n\u00e1stroji \u2014 6061-T6 pokr\u00fdv\u00e1 v\u011bt\u0161inu konstruk\u010dn\u00edch a obecn\u011b stroj\u00edrensk\u00fdch aplikac\u00ed za ni\u017e\u0161\u00ed cenu materi\u00e1lu.<\/li>\n<li>Specifikace vy\u017eaduje velkoobjemovou v\u00fdrobu s rychl\u00fdm dod\u00e1n\u00edm \u2014 2219 je speci\u00e1ln\u00ed slitina s u\u017e\u0161\u00ed dostupnost\u00ed skladov\u00fdch z\u00e1sob; p\u0159ed z\u00e1vazkem ov\u011b\u0159te dodac\u00ed lh\u016ftu.<\/li>\n<\/ul>\n<h2>Aplikace<\/h2>\n<p>V\u00fd\u0161e uveden\u00e1 krit\u00e9ria Pou\u017eijte\/Nepou\u017e\u00edvejte pokr\u00fdvaj\u00ed logiku v\u00fdb\u011bru. N\u00ed\u017ee uveden\u00fd seznam mapuje konkr\u00e9tn\u00ed syst\u00e9my, kde je 2219 standardn\u00ed prax\u00ed:<\/p>\n<ul>\n<li>Letectv\u00ed \u2014 palivov\u00e9 n\u00e1dr\u017ee, tlakov\u00e9 n\u00e1doby, r\u00e1my trupu, k\u0159\u00eddeln\u00ed konstrukce<\/li>\n<li>Kosmonautika \u2014 kryogenn\u00ed n\u00e1dr\u017eov\u00e9 konstrukce, raketov\u00e9 komponenty, konstruk\u010dn\u00ed d\u00edly nosn\u00fdch raket<\/li>\n<li>Obrana \u2014 panc\u00e9\u0159ov\u00e9 desky, konstruk\u010dn\u00ed sva\u0159ence, vysokoteplotn\u00ed komponenty<\/li>\n<li>Pr\u016fmysl \u2014 vysokoteplotn\u00ed n\u00e1stroje, komponenty v\u00fdm\u011bn\u00edk\u016f tepla, sva\u0159ovan\u00e9 konstruk\u010dn\u00ed sestavy<\/li>\n<\/ul>\n<h2>Z\u00e1v\u011br<\/h2>\n<p>Hlin\u00edk 2219 je slitina \u0159ady 2xxx navr\u017een\u00e1 pro extr\u00e9mn\u00ed teploty \u2014 zachov\u00e1v\u00e1 pevnost tam, kde 2024 a 7075 m\u011bknou, a sva\u0159uje se tam, kde v\u011bt\u0161ina ostatn\u00edch vysoce pevnostn\u00edch t\u0159\u00edd prask\u00e1. Kompromisem jsou vy\u0161\u0161\u00ed n\u00e1klady, u\u017e\u0161\u00ed dostupnost skladov\u00fdch z\u00e1sob a povinn\u00e1 pot\u0159eba pl\u00e1tov\u00e1n\u00ed nebo povlaku v korozn\u00edm prost\u0159ed\u00ed.<\/p>\n<p>Spole\u010dnost Linsy Aluminum skladuje desky, ty\u010de a zak\u00e1zkov\u011b protla\u010dovan\u00e9 profily ze slitiny 2219, s mo\u017enost\u00ed zak\u00e1zkov\u00e9 v\u00fdroby s n\u00edzk\u00fdm minim\u00e1ln\u00edm mno\u017estv\u00edm pro nestandardn\u00ed rozm\u011bry. Pln\u00e1 dokumentace MTC je sou\u010d\u00e1st\u00ed ka\u017ed\u00e9 objedn\u00e1vky a testov\u00e1n\u00ed SGS pro chemick\u00e9 slo\u017een\u00ed, mechanick\u00e9 vlastnosti a ultrazvukovou kontrolu je k dispozici na vy\u017e\u00e1d\u00e1n\u00ed. Za\u0161lete v\u00fdkres pro posouzen\u00ed vhodnosti t\u0159\u00eddy a dodac\u00ed lh\u016fty.<\/p>\n<h2>\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n<h3>Jak si vede 2219 p\u0159i kryogenn\u00edch teplot\u00e1ch?<\/h3>\n<p>2219 vykazuje zv\u00fd\u0161enou pevnost v tahu a mez kluzu p\u0159i kryogenn\u00edch teplot\u00e1ch bez odpov\u00eddaj\u00edc\u00ed ztr\u00e1ty hou\u017eevnatosti \u2014 jeden z d\u016fvod\u016f, pro\u010d byla vybr\u00e1na pro vn\u011bj\u0161\u00ed n\u00e1dr\u017e raketopl\u00e1nu Space Shuttle. Pevnost i lomov\u00e1 hou\u017eevnatost se s klesaj\u00edc\u00ed teplotou zlep\u0161uj\u00ed, co\u017e z n\u00ed \u010din\u00ed siln\u00e9ho kandid\u00e1ta pro syst\u00e9my skladov\u00e1n\u00ed LNG, kapaln\u00e9ho kysl\u00edku a kapaln\u00e9ho vod\u00edku.<\/p>\n<h3>Lze 2219 sva\u0159ovat a jak\u00fd p\u0159\u00eddavn\u00fd materi\u00e1l se doporu\u010duje?<\/h3>\n<p>Ano \u2014 2219 je sva\u0159iteln\u00e1 metodami GTAW (TIG) a GMAW (MIG). P\u0159\u00eddavn\u00fd materi\u00e1l 2319 se doporu\u010duje pro shodu s chemismem z\u00e1kladn\u00edho kovu. Po sva\u0159ov\u00e1n\u00ed je obvykle nutn\u00e9 op\u011btovn\u00e9 tepeln\u00e9 zpracov\u00e1n\u00ed pro obnoven\u00ed mechanick\u00fdch vlastnost\u00ed v oblasti svaru. Doporu\u010duje se kvalifika\u010dn\u00ed testov\u00e1n\u00ed s parametry odpov\u00eddaj\u00edc\u00edmi v\u00fdrobn\u00edmu z\u00e1m\u011bru.<\/p>\n<h3>Jak\u00e1 je hlavn\u00ed v\u00fdhoda 2219 oproti 2024?<\/h3>\n<p>Zachov\u00e1n\u00ed pevnosti p\u0159i zv\u00fd\u0161en\u00fdch teplot\u00e1ch a sva\u0159itelnost. 2024 m\u00e1 vy\u0161\u0161\u00ed pevnost p\u0159i pokojov\u00e9 teplot\u011b, ale v\u00fdrazn\u011b m\u011bkne nad 150 \u00b0C a nedoporu\u010duje se pro tavn\u00e9 sva\u0159ov\u00e1n\u00ed. 2219 je odpov\u011bd\u00ed, kdy\u017e bude d\u00edl vystaven teplu nebo mus\u00ed b\u00fdt sva\u0159ov\u00e1n.<\/p>\n<h3>Je 2219 dostupn\u00e1 ve form\u011b plechu?<\/h3>\n<p>2219 se prim\u00e1rn\u011b vyr\u00e1b\u00ed jako deska, ty\u010d, z\u00e1pustkov\u00fd polotovar a protla\u010dovan\u00fd profil. Plech m\u016f\u017ee b\u00fdt dostupn\u00fd v z\u00e1vislosti na temperu a tlou\u0161\u0165ce \u2014 pro specifick\u00e9 po\u017eadavky na plech ov\u011b\u0159te dostupnost u dodavatele, v\u010detn\u011b minim\u00e1ln\u00edho mno\u017estv\u00ed objedn\u00e1vky a dodac\u00ed lh\u016fty.<\/p>\n<h3>Vy\u017eaduje 2219 speci\u00e1ln\u00ed tepeln\u00e9 zpracov\u00e1n\u00ed po obr\u00e1b\u011bn\u00ed?<\/h3>\n<p>Tempers T62, T87 a T851 jsou dod\u00e1v\u00e1ny ve stavu po st\u00e1rnut\u00ed a obecn\u011b nevy\u017eaduj\u00ed tepeln\u00e9 zpracov\u00e1n\u00ed po obr\u00e1b\u011bn\u00ed. Pokud je v\u0161ak zahrnuto sva\u0159ov\u00e1n\u00ed, je op\u011btovn\u00e9 tepeln\u00e9 zpracov\u00e1n\u00ed oblasti svaru standardn\u00ed prax\u00ed pro obnoven\u00ed pevnosti. P\u0159ed objedn\u00e1n\u00edm ov\u011b\u0159te po\u017eadovan\u00fd temper a n\u00e1sledn\u00e9 zpracov\u00e1n\u00ed u v\u00fdrobce.<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction 2219 aluminum is the 2xxx-series alloy built for temperature extremes \u2014 it holds strength at cryogenic temperatures and retains useful mechanical properties at elevated temperatures up to 315\u00b0C, a range where most aluminum alloys soften significantly. Originally developed for aerospace fuel tanks and high-temperature structures, 2219 also stands out as one of the few [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8364,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"2219 Aluminum Alloy: Properties, Welding, and Temperature Performance Guide","_seopress_titles_desc":"In-depth guide to 2219 aluminum alloy covering elevated-temperature strength, cryogenic performance, TIG\/MIG welding parameters, and comparisons with 2024, 7075, and 6061. 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