{"id":7463,"date":"2024-12-27T04:01:07","date_gmt":"2024-12-27T04:01:07","guid":{"rendered":"https:\/\/premiumalu.com\/aluminium-5083-h321-a-comprehensive-guide\/"},"modified":"2026-08-30T13:36:19","modified_gmt":"2026-08-30T13:36:19","slug":"hlinik-5083-h321-komplexni-pruvodce","status":"publish","type":"post","link":"https:\/\/premiumalu.com\/cs\/aluminium-5083-h321-a-comprehensive-guide\/","title":{"rendered":"Hlin\u00edk 5083-H321: Stav H321, vlastnosti a n\u00e1mo\u0159n\u00ed aplikace"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Co je 5083-H321 hlin\u00edk?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">H321 je temper mo\u0159sk\u00e9 konstruk\u010dn\u00ed desky slitiny 5083, netepeln\u011b zpracovateln\u00e9 slitiny Al-Mg postaven\u00e9 na 4,0\u20134,9 % ho\u0159\u010d\u00edku s manganem a chromem. Zpevn\u011bn\u00ed deformac\u00ed, nikoli precipita\u010dn\u00ed zpracov\u00e1n\u00ed, zaji\u0161\u0165uje pevnost, a slitina pat\u0159\u00ed mezi nejpevn\u011bj\u0161\u00ed a nejodoln\u011bj\u0161\u00ed v\u016f\u010di mo\u0159sk\u00e9 vod\u011b z b\u011b\u017en\u00fdch netepeln\u011b zpracovateln\u00fdch t\u0159\u00edd.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tato \u00farove\u0148 ho\u0159\u010d\u00edku tak\u00e9 \u010din\u00ed slitinu 5083 n\u00e1chylnou k senzibilizaci \u2014 precipitaci \u03b2-f\u00e1ze na hranic\u00edch zrn \u2014 p\u0159i dr\u017een\u00ed nad p\u0159ibli\u017en\u011b 65 \u00b0C, tak\u017ee pevnost a korozn\u00ed chov\u00e1n\u00ed z\u00e1vis\u00ed na p\u0159edepsan\u00e9m temperu. Pro trupy a pob\u0159e\u017en\u00ed konstrukce je n\u00e1mo\u0159n\u011b kvalifikovan\u00fd temper H321, nikoli univerz\u00e1ln\u00ed temper zpevn\u011bn\u00fd deformac\u00ed, verz\u00ed, kter\u00e1 nese p\u0159\u00edslu\u0161nou kvalifikaci.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/5083-H321-Aluminum-Properties-Marine-Use-Temper-Guide-1.png\" alt=\"\" class=\"wp-image-10377\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/5083-H321-Aluminum-Properties-Marine-Use-Temper-Guide-1.png 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/5083-H321-Aluminum-Properties-Marine-Use-Temper-Guide-1-300x225.png 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/5083-H321-Aluminum-Properties-Marine-Use-Temper-Guide-1-768x576.png 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/5083-H321-Aluminum-Properties-Marine-Use-Temper-Guide-1-600x450.png 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Pochopen\u00ed temperu H321<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">H321 znamen\u00e1, \u017ee deska je zpevn\u011bna deformac\u00ed a pot\u00e9 stabilizov\u00e1na n\u00edzkoteplotn\u00edm zpracov\u00e1n\u00edm. Pro slitinu 5083 je H321 standardn\u00edm temperem mo\u0159sk\u00e9 konstruk\u010dn\u00ed desky: dosahuje p\u0159ibli\u017en\u011b pevnosti \u00farovn\u011b H32, ale je vyr\u00e1b\u011bn a testov\u00e1n pro provoz v mo\u0159sk\u00e9 vod\u011b, se zlep\u0161enou odolnost\u00ed proti exfoliaci a mezikrystalov\u00e9 korozi pod nap\u011bt\u00edm (SCC) a dobrou rozm\u011brovou stabilitou p\u0159i sva\u0159ov\u00e1n\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Krok stabilizace odli\u0161uje H321 od b\u011b\u017en\u00e9ho H32. Udr\u017euje vlastnosti zpevn\u011bn\u00e9 deformac\u00ed stabiln\u00ed, tak\u017ee deska nem\u011bkne p\u0159i pokojov\u00e9 teplot\u011b b\u011bhem \u017eivotnosti, a podporuje odolnost desky proti SCC v mo\u0159sk\u00e9m provozu a jej\u00ed rovinnost p\u0159i sva\u0159ov\u00e1n\u00ed a mont\u00e1\u017ei.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H321 a H116 jsou dva n\u00e1mo\u0159n\u011b kvalifikovan\u00e9 tempery slitiny 5083 \u2014 oba proch\u00e1zej\u00ed testem mezikrystalov\u00e9 koroze ASTM G67 \u2014 zat\u00edmco H32 a H34 jsou univerz\u00e1ln\u00ed tempery zpevn\u011bn\u00e9 deformac\u00ed bez t\u00e9to n\u00e1mo\u0159n\u00ed korozn\u00ed kvalifikace. Tato kvalifikace, nikoli rozd\u00edl v pevnosti, je d\u016fvodem, pro\u010d lod\u011bnice specifikuj\u00ed H321 nebo H116 pro pono\u0159en\u00e9 desky trupu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Jak se H321 li\u0161\u00ed od H32<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H32 je zpevn\u011bn deformac\u00ed na p\u0159ibli\u017en\u011b 1\/4 tvrdosti a stabilizov\u00e1n, s m\u00edrn\u011b vy\u0161\u0161\u00ed typickou mez\u00ed kluzu (p\u0159ibli\u017en\u011b 235 MPa) ne\u017e H321 (p\u0159ibli\u017en\u011b 215\u2013228 MPa), ale H32 je univerz\u00e1ln\u00ed temper plechu, nikoli n\u00e1mo\u0159n\u011b kvalifikovan\u00fd. H321 ob\u011btuje mal\u00e9 mno\u017estv\u00ed pevnosti ve prosp\u011bch n\u00e1mo\u0159n\u00edho korozn\u00edho testov\u00e1n\u00ed a rovinnosti desky, kter\u00e9 pono\u0159en\u00e9 konstrukce trupu pot\u0159ebuj\u00ed. H321 nebo H116 se vol\u00ed, kdy\u017e je sou\u010d\u00e1st v trval\u00e9m kontaktu s mo\u0159skou vodou; H32 nebo H34 se pou\u017e\u00edv\u00e1 pro nepono\u0159en\u00e9 konstrukce, kde vy\u0161\u0161\u00ed pevnost vede specifikaci. Viz\u00a0<a href=\"https:\/\/premiumalu.com\/cs\/odborne-tipy-pro-vyber-hlinikoveho-plechu-5083\/\">pr\u016fvodce v\u00fdb\u011brem plechu 5083<\/a>\u00a0pro podrobnosti o tlou\u0161\u0165ce a temperu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mechanick\u00e9 vlastnosti 5083-H321<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Majetek<\/th><th>5083-H321 (typick\u00e9)<\/th><\/tr><\/thead><tbody><tr><td>Hustota<\/td><td>2,66 g\/cm\u00b3<\/td><\/tr><tr><td>Pevnost v tahu<\/td><td>317 MPa (46 ksi)<\/td><\/tr><tr><td>Mez kluzu (0,2 % offset)<\/td><td>228 MPa (33 ksi)<\/td><\/tr><tr><td>Ta\u017enost p\u0159i p\u0159etr\u017een\u00ed<\/td><td>12-16%<\/td><\/tr><tr><td>Modul pru\u017enosti<\/td><td>70 GPa (10,2\u00d710\u2076 ksi)<\/td><\/tr><tr><td>Mez \u00fanavy (5\u00d710\u2078 cykl\u016f)<\/td><td>160 MPa (23 ksi)<\/td><\/tr><tr><td>Pevnost ve smyku<\/td><td>190 MPa (28 ksi)<\/td><\/tr><tr><td>Tvrdost podle Brinella<\/td><td>85\u201389 HB<\/td><\/tr><tr><td>Tepeln\u00e1 vodivost<\/td><td>117 W\/m\u00b7K<\/td><\/tr><tr><td>Rozsah taven\u00ed<\/td><td>570\u2013640 \u00b0C<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Mez kluzu \u0159\u00edd\u00ed v\u011bt\u0161inu v\u00fdb\u011br\u016f 5083-H321. P\u0159i p\u0159ibli\u017en\u011b 215\u2013228 MPa je to n\u00e1mo\u0159n\u011b kvalifikovan\u00fd temper \u0159ady 5xxx s nejvy\u0161\u0161\u00ed mez\u00ed kluzu, tak\u017ee nese zat\u00ed\u017een\u00ed trupu a tlakov\u00fdch n\u00e1dob p\u0159i m\u00edrn\u00e9 hmotnosti \u2014 a minimum podle ASTM B209 (215 MPa) slou\u017e\u00ed jako konstruk\u010dn\u00ed spodn\u00ed hranice, p\u0159i\u010dem\u017e skute\u010dn\u00e1 \u0161ar\u017ee je potvrzena proti jej\u00edmu MTC.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Kde se 5083-H321 pou\u017e\u00edv\u00e1<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/Where-5083-H321-Is-Used.png\" alt=\"\" class=\"wp-image-10378\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/Where-5083-H321-Is-Used.png 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/Where-5083-H321-Is-Used-300x225.png 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/Where-5083-H321-Is-Used-768x576.png 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/Where-5083-H321-Is-Used-600x450.png 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Stavba lod\u00ed a pob\u0159e\u017en\u00ed konstrukce<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">5083-H321 je v\u00fdchoz\u00ed deska pro trupy a n\u00e1stavby plavidel a pob\u0159e\u017en\u00edch platforem. Jej\u00ed kombinace pevnosti, odolnosti proti korozi v mo\u0159sk\u00e9 vod\u011b a odolnosti proti SCC z n\u00ed \u010din\u00ed standard pro desky trupu, paluby, p\u0159ep\u00e1\u017eky a konzoly v trval\u00e9m kontaktu s mo\u0159skou vodou, kde by nemo\u0159sk\u00fd temper p\u0159edstavoval riziko mezikrystalov\u00e9ho napaden\u00ed. Pro \u0161ir\u0161\u00ed v\u00fdb\u011br slitiny si prohl\u00e9dn\u011bte pr\u016fvodce v\u00fdb\u011brem slitin pro n\u00e1mo\u0159n\u00ed t\u0159\u00eddy.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tlakov\u00e9 n\u00e1doby a kryogenn\u00ed provoz<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Slitina si zachov\u00e1v\u00e1 hou\u017eevnatost a\u017e do kryogenn\u00edch teplot, tak\u017ee H321 se pou\u017e\u00edv\u00e1 pro n\u00e1dr\u017ee LNG, kryogenn\u00ed tlakov\u00e9 n\u00e1doby a \u017eelezni\u010dn\u00ed nebo cisternov\u00e9 korby, kde z\u00e1le\u017e\u00ed na ta\u017enosti p\u0159i n\u00edzk\u00fdch teplot\u00e1ch. Jej\u00ed sva\u0159itelnost umo\u017e\u0148uje velk\u00fdm sva\u0159ovan\u00fdm konstrukc\u00edm udr\u017eet pevnost ve spoji, co\u017e je tak\u00e9 d\u016fvod, pro\u010d se objevuje v chemick\u00e9m a dopravn\u00edm za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdb\u011br temperu 5083<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/How-H321-Differs-from-H32-H116.png\" alt=\"\" class=\"wp-image-10380\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/How-H321-Differs-from-H32-H116.png 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/How-H321-Differs-from-H32-H116-300x225.png 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/How-H321-Differs-from-H32-H116-768x576.png 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/How-H321-Differs-from-H32-H116-600x450.png 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Temperament<\/th><th>Zpracov\u00e1n\u00ed<\/th><th>Mez pevnosti v tahu (typick\u00e1)<\/th><th>Mez kluzu (typick\u00e1)<\/th><th>N\u00e1mo\u0159n\u011b kvalifikovan\u00fd<\/th><th>Nejlep\u0161\u00ed pro<\/th><\/tr><\/thead><tbody><tr><td>O<\/td><td>\u017d\u00edh\u00e1no, pln\u011b m\u011bkk\u00e9<\/td><td>275 MPa<\/td><td>125 MPa<\/td><td>Ne<\/td><td>Hlubok\u00e9 ta\u017een\u00ed, slo\u017eit\u00e9 ohyby<\/td><\/tr><tr><td>H116<\/td><td>Zpevn\u011bn deformac\u00ed, n\u00e1mo\u0159n\u011b testov\u00e1n<\/td><td>305 MPa<\/td><td>215 MPa<\/td><td>Ano (ASTM G67)<\/td><td>Pono\u0159en\u00e9 desky trupu<\/td><\/tr><tr><td>H321<\/td><td>Zpevn\u011bn deformac\u00ed + stabilizov\u00e1n<\/td><td>305\u2013317 MPa<\/td><td>215\u2013228 MPa<\/td><td>Ano (ASTM G67)<\/td><td>N\u00e1mo\u0159n\u00ed konstruk\u010dn\u00ed deska, rozm\u011brov\u00e1 stabilita<\/td><\/tr><tr><td>H32<\/td><td>1\/4 tvrd\u00fd + stabilizovan\u00fd<\/td><td>315 MPa<\/td><td>235 MPa<\/td><td>Ne<\/td><td>Nepono\u0159en\u00e9 konstrukce, vy\u0161\u0161\u00ed pevnost<\/td><\/tr><tr><td>H34<\/td><td>1\/2 tvrd\u00fd + stabilizovan\u00fd<\/td><td>340 MPa<\/td><td>270 MPa<\/td><td>Ne<\/td><td>Ploch\u00e9 tuh\u00e9 sou\u010d\u00e1sti, maxim\u00e1ln\u00ed pevnost<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Typick\u00e9 hodnoty dle katalogu Linsy \/ AA; potvr\u010fte proti MTC pro konkr\u00e9tn\u00ed \u0161ar\u017ei.<\/em><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Aplikace, kde H321 vyhovuje<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sou\u010d\u00e1st je v nebo v bl\u00edzkosti trval\u00e9ho kontaktu s mo\u0159skou vodou (desky trupu, paluby, pob\u0159e\u017en\u00ed konstrukce) a vy\u017eaduje n\u00e1mo\u0159n\u00ed korozn\u00ed kvalifikaci plus rovinnost desky.<\/li>\n\n\n\n<li>Konstrukce je sva\u0159ovan\u00e1 a mus\u00ed udr\u017eet pevnost a rozm\u011brovou stabilitu ve spoji.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Kdy se hod\u00ed jin\u00e9 temperov\u00e1n\u00ed<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>H116 \u2014 stejn\u00e1 n\u00e1mo\u0159n\u00ed kvalifikace s m\u00edrn\u011b odli\u0161n\u00fdmi normami rovinnosti desky a dod\u00e1vek; obvykl\u00e1 alternativa pro pono\u0159en\u00e9 trupy.<\/li>\n\n\n\n<li>H32 \/ H34 \u2014 nepono\u0159en\u00e9 sou\u010d\u00e1sti, kde je vy\u017eadov\u00e1na vy\u0161\u0161\u00ed mez kluzu; H34 poskytuje nejvy\u0161\u0161\u00ed pevnost rodiny pro ploch\u00e9, tuh\u00e9 sou\u010d\u00e1sti.<\/li>\n\n\n\n<li>O \u2014 geometrie vy\u017eaduje hlubok\u00e9 ta\u017een\u00ed nebo t\u011bsn\u00e9 ohyby, p\u0159i kter\u00fdch by tempery zpevn\u011bn\u00e9 deformac\u00ed praskaly.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Zpracov\u00e1n\u00ed a v\u00fdroba 5083-H321<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/Processing-and-Fabrication-of-5083-H321.png\" alt=\"\" class=\"wp-image-10379\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/Processing-and-Fabrication-of-5083-H321.png 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/Processing-and-Fabrication-of-5083-H321-300x225.png 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/Processing-and-Fabrication-of-5083-H321-768x576.png 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/Processing-and-Fabrication-of-5083-H321-600x450.png 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Obr\u00e1b\u011bn\u00ed 5083-H321 je pouze pr\u016fm\u011brn\u00e9. Lepkav\u00e1, deforma\u010dn\u011b zpevn\u011bn\u00e1 struktura m\u00e1 tendenci se hromadit na \u0159ezn\u00e9 hran\u011b (built-up edge \u2014 materi\u00e1l obrobku, kter\u00fd se rozmaz\u00e1v\u00e1 na n\u00e1stroj a ni\u010d\u00ed povrch), tak\u017ee jsou vy\u017eadov\u00e1ny ostr\u00e9 b\u0159itov\u00e9 desti\u010dky, pozitivn\u00ed \u00fahel \u010dela a chladic\u00ed kapalina, s m\u00edrn\u00fdmi rychlostmi a bez prodlevy, kter\u00e1 by umo\u017enila p\u0159iva\u0159en\u00ed t\u0159\u00edsky k dr\u00e1\u017ece.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sva\u0159ov\u00e1n\u00ed je jednou ze siln\u00fdch str\u00e1nek t\u00e9to slitiny. TIG i MIG produkuj\u00ed kvalitn\u00ed spoje, s p\u0159\u00eddavn\u00fdm materi\u00e1lem \u0159ady 5xxx odpov\u00eddaj\u00edc\u00edm obsahu ho\u0159\u010d\u00edku (5183 nebo 5356) pro zabr\u00e1n\u011bn\u00ed senzibilizaci. Z\u00f3na ovlivn\u011bn\u00e1 teplem (HAZ \u2014 p\u00e1smo vedle svaru) sice ztr\u00e1c\u00ed \u010d\u00e1st deforma\u010dn\u00edho zpevn\u011bn\u00ed a v bl\u00edzkosti hranice nataven\u00ed se vrac\u00ed sm\u011brem k \u017e\u00edhan\u00e9mu stavu, ale pokles je mnohem m\u00edrn\u011bj\u0161\u00ed ne\u017e u spoje z tepeln\u011b vytvrditeln\u00e9 slitiny 6xxx-T6: svarov\u00fd celek si zachov\u00e1v\u00e1 p\u0159ibli\u017en\u011b 80\u201390 % pevnosti z\u00e1kladn\u00edho materi\u00e1lu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ochrana proti korozi je z velk\u00e9 \u010d\u00e1sti vestav\u011bn\u00e1, ale plat\u00ed dv\u011b omezen\u00ed. Trval\u00fd provoz z\u016fst\u00e1v\u00e1 pod p\u0159ibli\u017en\u011b 65 \u00b0C (150 \u00b0F), aby se zabr\u00e1nilo senzibilizaci \u03b2-f\u00e1ze, kter\u00e1 zp\u016fsobuje mezikrystalovou korozi, a tam, kde je H321 v trval\u00e9m kontaktu s mo\u0159skou vodou, se specifikace op\u00edr\u00e1 o n\u00e1mo\u0159n\u00ed kvalifikaci \u2014 nikoli o b\u011b\u017en\u00e9 H temperov\u00e1n\u00ed. Kontakt s u\u0161lechtilej\u0161\u00edmi kovy, jako je nerezov\u00e1 ocel, je izolov\u00e1n t\u011bsn\u011bn\u00edmi nebo povlaky, aby se zabr\u00e1nilo galvanick\u00e9mu napaden\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tva\u0159itelnost je u deforma\u010dn\u011b zpevn\u011bn\u00e9ho plechu dobr\u00e1, ale ne na \u00farovni O. Minim\u00e1ln\u00ed polom\u011bry ohybu jsou v\u011bt\u0161\u00ed ne\u017e u \u017e\u00edhan\u00e9ho materi\u00e1lu \u2014 p\u0159ibli\u017en\u011b stejn\u00e1 tolerance ohybu jako H32, v\u011bt\u0161\u00ed ne\u017e O \u2014 a vy\u0161\u0161\u00ed mez kluzu znamen\u00e1 v\u011bt\u0161\u00ed zp\u011btn\u00e9 odpru\u017een\u00ed u tvarovan\u00fdch prvk\u016f. Tam, kde je d\u00edl v\u00e1lcov\u00e1n nebo oh\u00fdb\u00e1n, je pevnost stabilizovan\u00e9ho plechu zohledn\u011bna v nastaven\u00ed lisu.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u00fdhody a omezen\u00ed 5083-H321<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/Corrosion-Protection-and-Service-Limits.png\" alt=\"\" class=\"wp-image-10381\" srcset=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/Corrosion-Protection-and-Service-Limits.png 800w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/Corrosion-Protection-and-Service-Limits-300x225.png 300w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/Corrosion-Protection-and-Service-Limits-768x576.png 768w, https:\/\/premiumalu.com\/wp-content\/uploads\/2024\/12\/Corrosion-Protection-and-Service-Limits-600x450.png 600w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Majetek<\/th><th>V\u00fdhoda<\/th><th>Omezen\u00ed<\/th><\/tr><\/thead><tbody><tr><td>Pevnost (netepeln\u011b vytvrditeln\u00e1)<\/td><td>Nejvy\u0161\u0161\u00ed mez kluzu mezi n\u00e1mo\u0159n\u011b kvalifikovan\u00fdmi slitinami 5xxx (215\u2013228 MPa)<\/td><td>Mez kluzu ni\u017e\u0161\u00ed ne\u017e u jakost\u00ed 6xxx-T6<\/td><\/tr><tr><td>Koroze (mo\u0159sk\u00e1 voda)<\/td><td>Vynikaj\u00edc\u00ed; n\u00e1mo\u0159n\u011b kvalifikovan\u00e1 proti SCC a exfoliaci<\/td><td>Senzibilizuje p\u0159i trval\u00e9m p\u016fsoben\u00ed nad ~65 \u00b0C<\/td><\/tr><tr><td>Sva\u0159itelnost<\/td><td>Vynikaj\u00edc\u00ed; zm\u011bk\u010den\u00ed HAZ mnohem m\u00edrn\u011bj\u0161\u00ed ne\u017e u 6xxx-T6<\/td><td>HAZ ztr\u00e1c\u00ed deforma\u010dn\u00ed zpevn\u011bn\u00ed v bl\u00edzkosti hranice nataven\u00ed; spoj na ~80\u201390 % pevnosti z\u00e1kladn\u00edho materi\u00e1lu<\/td><\/tr><tr><td>Tvarovatelnost<\/td><td>Dobr\u00e1 pro deforma\u010dn\u011b zpevn\u011bn\u00fd plech<\/td><td>V\u011bt\u0161\u00ed polom\u011bry ne\u017e O; v\u011bt\u0161\u00ed zp\u011btn\u00e9 odpru\u017een\u00ed<\/td><\/tr><tr><td>Kryogenn\u00ed hou\u017eevnatost<\/td><td>Zachov\u00e1v\u00e1 hou\u017eevnatost do teplot LNG<\/td><td>\u2014<\/td><\/tr><tr><td>Obr\u00e1b\u011bn\u00ed<\/td><td>\u2014<\/td><td>Pouze pr\u016fm\u011brn\u00e9; lepkav\u00e1 t\u0159\u00edska, vy\u017eadov\u00e1ny ostr\u00e9 n\u00e1stroje<\/td><\/tr><tr><td>Dostupnost<\/td><td>Skladem jako n\u00e1mo\u0159n\u00ed plech, tabule, ty\u010d<\/td><td>Nen\u00ed slitina pro dekorativn\u00ed eloxov\u00e1n\u00ed<\/td><\/tr><tr><td>N\u00e1klady<\/td><td>Konkurenceschopn\u00e1 n\u00e1mo\u0159n\u00ed jakost<\/td><td>Nen\u00ed levnou n\u00e1hradou za 5052<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">5083-H321 spojuje nejvy\u0161\u0161\u00ed pevnost mezi b\u011b\u017en\u00fdmi netepeln\u011b vytvrditeln\u00fdmi slitinami s korozn\u00ed odolnost\u00ed v kvalit\u011b pro mo\u0159skou vodu a dobrou sva\u0159itelnost\u00ed \u2014 standardn\u00ed volba pro trupy, offshore konstrukce a kryogenn\u00ed tlakov\u00e9 n\u00e1doby. Jeho omezen\u00ed jsou jasn\u00e1: trval\u00fd provoz z\u016fst\u00e1v\u00e1 pod p\u0159ibli\u017en\u011b 65 \u00b0C, aby se zabr\u00e1nilo senzibilizaci, a obr\u00e1b\u00ed se pouze pr\u016fm\u011brn\u011b, tak\u017ee spr\u00e1vn\u00e1 podpora n\u00e1sledn\u00e9ho zpracov\u00e1n\u00ed je stejn\u011b d\u016fle\u017eit\u00e1 jako slitina samotn\u00e1. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tento kompromis lze snadno zvl\u00e1dnout, kdy\u017e dodavatel pokr\u00fdv\u00e1 n\u00e1mo\u0159n\u00ed \u0159adu 5083 a zpracov\u00e1n\u00ed kolem n\u00ed: Linsy Aluminum dod\u00e1v\u00e1 5083-H321 ve form\u011b plechu, tabul\u00ed a ty\u010d\u00ed, jak ze skladu, tak v custom rozm\u011brech p\u0159i n\u00edzk\u00fdch minim\u00e1ln\u00edch objednac\u00edch mno\u017estv\u00edch, a poskytuje vlastn\u00ed CNC obr\u00e1b\u011bn\u00ed, TIG a MIG sva\u0159ov\u00e1n\u00ed, laserov\u00e9 \u0159ez\u00e1n\u00ed a povrchov\u00e9 \u00fapravy, jako je eloxov\u00e1n\u00ed a pr\u00e1\u0161kov\u00e9 lakov\u00e1n\u00ed; ka\u017ed\u00e1 objedn\u00e1vka je expedov\u00e1na s MTC, zpr\u00e1vy o zkou\u0161k\u00e1ch SGS jsou k dispozici na vy\u017e\u00e1d\u00e1n\u00ed za p\u0159\u00edplatek a zak\u00e1zkov\u00e9 objedn\u00e1vky 5083 obvykle maj\u00ed dodac\u00ed lh\u016ftu 10\u201360 dn\u00ed. Pro 5083-H321 v konkr\u00e9tn\u00ed form\u011b, temperaci nebo obroben\u00e9m stavu viz Linsy\u00a0<a href=\"http:\/\/premiumalu.com\/cs\/produkt\/slitina-hliniku-5083\/\" data-type=\"link\" data-id=\"http:\/\/premiumalu.com\/product\/5083-aluminum-alloy\/\">hlin\u00edkov\u00e9 produkty 5083<\/a>; v\u00fdkresy a specifikace lze zaslat spole\u010dnosti Linsy pro kontrolu vhodnosti jakosti a dodac\u00ed lh\u016fty.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Co \u010din\u00ed 5083-H321 vhodn\u00fdm pro n\u00e1mo\u0159n\u00ed pou\u017eit\u00ed?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">&nbsp;Odol\u00e1v\u00e1 korozi v mo\u0159sk\u00e9 vod\u011b a zachov\u00e1v\u00e1 hou\u017eevnatost p\u0159i n\u00edzk\u00fdch teplot\u00e1ch, ani\u017e by k\u0159ehnul. Jako n\u00e1mo\u0159n\u011b kvalifikovan\u00e1 temperace (testovan\u00e1 podle ASTM G67 na mezikrystalovou korozi) H321 odol\u00e1v\u00e1 korozn\u00edmu prask\u00e1n\u00ed za nap\u011bt\u00ed v trval\u00e9m kontaktu s mo\u0159skou vodou \u2014 co\u017e je d\u016fvod, pro\u010d je v\u00fdchoz\u00ed volbou pro opl\u00e1\u0161t\u011bn\u00ed trup\u016f a offshore konstrukce.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Jak si 5083-H321 stoj\u00ed ve srovn\u00e1n\u00ed s H116 a H32?\u00a0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H321 a H116 jsou ob\u011b n\u00e1mo\u0159n\u011b kvalifikovan\u00e9 temperace plechu 5083; H32 je univerz\u00e1ln\u00ed deforma\u010dn\u011b zpevn\u011bn\u00e1 temperace bez n\u00e1mo\u0159n\u00ed korozn\u00ed zkou\u0161ky, s m\u00edrn\u011b vy\u0161\u0161\u00ed typickou mez\u00ed kluzu (asi 235 MPa vs. 215\u2013228 MPa). H116 nebo H321 se vol\u00ed pro pono\u0159en\u00e9 prost\u0159ed\u00ed v mo\u0159sk\u00e9 vod\u011b; H32 nebo H34 se pou\u017e\u00edv\u00e1 pro nepono\u0159en\u00e9 konstrukce, kde je rozhoduj\u00edc\u00ed pevnost.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Lze 5083-H321 sva\u0159ovat, a jak?\u00a0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ano. H321 se sva\u0159uje metodou TIG nebo MIG s p\u0159\u00eddavn\u00fdm materi\u00e1lem \u0159ady 5xxx odpov\u00eddaj\u00edc\u00edm obsahu ho\u0159\u010d\u00edku v z\u00e1kladn\u00edm materi\u00e1lu \u2014 typicky 5183 nebo 5356. Proto\u017ee 5083 je netepeln\u011b vytvrditeln\u00e1, z\u00f3na ovlivn\u011bn\u00e1 teplem nezm\u011bkne tak jako u spoje 6061-T6, tak\u017ee pevnost svaru z\u016fst\u00e1v\u00e1 bl\u00edzko pevnosti z\u00e1kladn\u00edho plechu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Eloxuje se 5083-H321 dob\u0159e?\u00a0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">5083-H321 se nepou\u017e\u00edv\u00e1 pro dekorativn\u00ed eloxov\u00e1n\u00ed vzhledu. D\u00edky vysok\u00e9mu obsahu ho\u0159\u010d\u00edku se eloxuje do \u0161ed\u00e9ho, nerovnom\u011brn\u00e9ho povrchu nam\u00edsto jasn\u00e9ho dekorativn\u00edho vzhledu 6061, tak\u017ee v\u011bt\u0161ina kupuj\u00edc\u00edch H321 nat\u00edr\u00e1 nebo pr\u00e1\u0161kov\u011b lakuje pro barvu a odolnost proti ot\u011bru a spol\u00e9h\u00e1 na p\u0159irozen\u00fd oxid pro ochranu proti korozi.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Jak\u00fd teplotn\u00ed limit plat\u00ed pro provoz 5083-H321?\u00a0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trval\u00fd provoz z\u016fst\u00e1v\u00e1 pod p\u0159ibli\u017en\u011b 65 \u00b0C (150 \u00b0F). Nad touto teplotou m\u016f\u017ee vysok\u00fd obsah ho\u0159\u010d\u00edku precipitovat \u03b2-f\u00e1zi na hranic\u00edch zrn a spustit senzibilizaci \u2014 mezikrystalovou korozi a korozn\u00ed prask\u00e1n\u00ed za nap\u011bt\u00ed \u2014 proto je provozn\u00ed teplota uvedena v konstruk\u010dn\u00edm n\u00e1vrhu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Jak\u00e1 dodac\u00ed lh\u016fta plat\u00ed pro zak\u00e1zkov\u00e9 objedn\u00e1vky 5083-H321?\u00a0<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Pro nestandardn\u00ed rozm\u011bry a temperace obvykle zak\u00e1zkov\u00e1 v\u00fdroba 5083 trv\u00e1 10\u201360 dn\u00ed v z\u00e1vislosti na slitin\u011b, rozm\u011brech a zpracov\u00e1n\u00ed. Linsy expeduje s ka\u017edou objedn\u00e1vkou MTC a m\u016f\u017ee na vy\u017e\u00e1d\u00e1n\u00ed zajistit zpr\u00e1vy SGS.<\/p>","protected":false},"excerpt":{"rendered":"<p>What Is 5083-H321 Aluminum? H321 is the marine structural plate temper of 5083, a non-heat-treatable Al-Mg alloy built around 4.0\u20134.9% magnesium with manganese and chromium. Strain hardening, not precipitation treatment, supplies the strength, and the alloy ranks among the strongest and most seawater-resistant of the common non-heat-treatable grades. That magnesium level also makes 5083 susceptible [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":10376,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"5083-H321 Aluminum: Properties, Uses & Comparison","_seopress_titles_desc":"5083-H321 is the strain-hardened 5083 plate temper \u2014 high strength and seawater corrosion resistance. See properties, uses, and how it compares with H116.","_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-7463","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\/7463","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\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/comments?post=7463"}],"version-history":[{"count":3,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/7463\/revisions"}],"predecessor-version":[{"id":10393,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/7463\/revisions\/10393"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media\/10376"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media?parent=7463"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/categories?post=7463"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/tags?post=7463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}