{"id":8661,"date":"2025-05-05T05:34:49","date_gmt":"2025-05-05T05:34:49","guid":{"rendered":"https:\/\/premiumalu.com\/5251-aluminum-sheet-essential-guide-for-buyers\/"},"modified":"2026-07-27T12:39:27","modified_gmt":"2026-07-27T12:39:27","slug":"5251-hlinikovy-plech-zakladni-pruvodce-pro-kupujici","status":"publish","type":"post","link":"https:\/\/premiumalu.com\/cs\/5251-hlinikovy-plech-zakladni-pruvodce-pro-kupujici\/","title":{"rendered":"V\u0161e, co pot\u0159ebujete v\u011bd\u011bt o hlin\u00edku 5251"},"content":{"rendered":"<h2>Kl\u00ed\u010dov\u00e9 informace<\/h2>\n<ul>\n<li>Hlin\u00edk 5251 je st\u0159edn\u011b pevn\u00e1 slitina zn\u00e1m\u00e1 svou dobrou ta\u017enost\u00ed a vynikaj\u00edc\u00ed odolnost\u00ed proti korozi, zejm\u00e9na v mo\u0159sk\u00e9m prost\u0159ed\u00ed.<\/li>\n<li>Rychle tvrdne a nab\u00edz\u00ed vynikaj\u00edc\u00ed tv\u00e1\u0159itelnost pro r\u016fzn\u00e9 pr\u016fmyslov\u00e9 aplikace.<\/li>\n<li>Slitina je vysoce kompatibiln\u00ed se sva\u0159ovac\u00edmi procesy, optim\u00e1ln\u00edch v\u00fdsledk\u016f dos\u00e1hnete pou\u017eit\u00edm doporu\u010den\u00fdch p\u0159\u00eddavn\u00fdch dr\u00e1t\u016f, nap\u0159\u00edklad 5356 nebo 4043.<\/li>\n<li>D\u00edky chemick\u00e9mu slo\u017een\u00ed zahrnuj\u00edc\u00edmu ho\u0159\u010d\u00edk a mangan m\u00e1 vyv\u00e1\u017een\u00e9 mechanick\u00e9 vlastnosti.<\/li>\n<li>Mezi b\u011b\u017en\u00e1 pou\u017eit\u00ed pat\u0159\u00ed konstrukce lod\u00ed, panely vozidel a obecn\u00e9 pr\u00e1ce s plechem.<\/li>\n<li>Jeho v\u00fdkon je \u010dasto srovn\u00e1v\u00e1n s jin\u00fdmi obl\u00edben\u00fdmi hlin\u00edkov\u00fdmi slitinami, jako jsou 5052, 5083 a 6061.<\/li>\n<\/ul>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2025\/05\/ce945e6d-73ad-44fe-bc7d-4a4cc5b8b518.png\" alt=\"5251 aluminum sheet properties and key features overview\"><\/figure>\n<h2>\u00davod<\/h2>\n<p><a href=\"https:\/\/premiumalu.com\/cs\/produkt\/slitina-hliniku-5251\/\">Hlin\u00edk 5251<\/a> stands out for its corrosion resistance, medium strength, and excellent ductility, making it a reliable choice in industries requiring durable and malleable materials. Thanks to its exceptional formability, this alloy is suited for applications like marine structures, vehicle panels, and pressings. Its ability to resist wear under challenging environmental conditions, including marine settings, adds to its versatility. As a rapidly work-hardening material, it provides a practical solution for manufacturing and fabrication needs.<\/p>\n<h2>Co je hlin\u00edk 5251?<\/h2>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2025\/05\/c0be530d-c947-4fe5-bc0a-a85d91f89705.png\" alt=\"5251 aluminum alloy composition and corrosion resistance\"><\/figure>\n<p>5251 aluminum is a member of the 5000-series aluminum alloys, mainly composed of magnesium. This alloy is non-heat-treatable and gains its strength through work hardening processes. Users appreciate its moderate mechanical strength and outstanding corrosion resistance, making it a favored option for industries where reliable performance is essential, especially in tough environments. Its good ductility allows for easy adaptation to various shapes and structures during fabrication.<\/p>\n<p>A notable feature of this alloy is its exceptional resistance to marine corrosion, which is why it is commonly used in boat building, silos, and containers. The combination of manganese and magnesium in its chemical makeup enhances its well-balanced mechanical and physical properties. 5251 aluminum is highly weldable and works well with several filler wires, ensuring it can be used across diverse applications while maintaining structural integrity.<\/p>\n<h2>Vlastnosti j\u00e1dra hlin\u00edku 5251<\/h2>\n<p>5251 aluminum combines strong chemical and physical traits that suit demanding environments. It boasts high corrosion resistance, especially in marine environments, ensuring long-term durability against water and weather-related wear. Its ductile nature makes it easy to shape and form into various configurations.<\/p>\n<p>Mechanically, the alloy exhibits medium strength, allowing it to serve applications needing sturdiness without sacrificing flexibility. These core properties make 5251 aluminum a practical choice for industrial and everyday uses.<\/p>\n<h3>Chemick\u00e9 slo\u017een\u00ed<\/h3>\n<p>The chemical composition of 5251 aluminum is designed for balanced properties suitable for industrial uses. Magnesium, the main alloying element at 1.70% to 2.40%, enhances corrosion resistance and mechanical strength. Manganese, at 0.10% to 0.50%, improves durability by refining the grain structure to prevent brittleness. Minor elements like copper, titanium, silicon, and zinc contribute to weldability and resistance. Iron, up to 0.50%, improves resilience against heat deformation.<\/p>\n<div class=\"table-responsive\">\n<table>\n<thead>\n<tr>\n<th><strong>Prvek<\/strong><\/th>\n<th><strong>Hmotnost% (typick\u00fd rozsah)<\/strong><\/th>\n<th><strong>Pozn\u00e1mky<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Hlin\u00edk (Al)<\/strong><\/td>\n<td>95,3 \u2013 97,81 TP3T<\/td>\n<td>Z\u00e1kladn\u00ed prvek, zbytek slitiny<\/td>\n<\/tr>\n<tr>\n<td><strong>Ho\u0159\u010d\u00edk (Mg)<\/strong><\/td>\n<td>1,7 \u2013 2,41 TP3T<\/td>\n<td>Zvy\u0161uje pevnost a odolnost proti korozi<\/td>\n<\/tr>\n<tr>\n<td><strong>Mangan (Mn)<\/strong><\/td>\n<td>0,1 \u2013 0,51 TP3T<\/td>\n<td>Zlep\u0161uje pevnost a zpracovatelnost<\/td>\n<\/tr>\n<tr>\n<td><strong>\u017delezo (Fe)<\/strong><\/td>\n<td>0,0 \u2013 0,51 TP3T<\/td>\n<td>P\u0159\u00edm\u011bsi ovliv\u0148uj\u00ed odolnost proti korozi<\/td>\n<\/tr>\n<tr>\n<td><strong>K\u0159em\u00edk (Si)<\/strong><\/td>\n<td>0,0 \u2013 0,41 TP3T<\/td>\n<td>P\u0159\u00edm\u011bs ovliv\u0148uje sl\u00e9vatelnost<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>Fyzik\u00e1ln\u00ed vlastnosti<\/h3>\n<p>The 5251 aluminum alloy offers a lightweight composition (2.69 g\/cm&#179;) and impressive thermal conductivity (~134-150 W\/m&#183;K). With a melting point of ~605-650&#176;C, it is well suited for marine, automotive, and structural applications where corrosion resistance and weldability are essential.<\/p>\n<p>Its moderate electrical conductivity (~34-36% IACS) and standard thermal expansion (23.8 &#215; 10&#8315;&#8310; \/&#176;C) provide versatility. While less conductive than alloys like 5005, it remains a balanced and reliable choice for durable, non-electrical components.<\/p>\n<div class=\"table-responsive\">\n<table>\n<thead>\n<tr>\n<th><strong>Majetek<\/strong><\/th>\n<th><strong>Hodnota<\/strong><\/th>\n<th><strong>Pozn\u00e1mky<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Hustota<\/strong><\/td>\n<td>2.69 g\/cm&#179;<\/td>\n<td>Lehk\u00e9, typick\u00e9 pro \u0159adu 5xxx, ide\u00e1ln\u00ed pro n\u00e1mo\u0159n\u00ed a konstruk\u010dn\u00ed pou\u017eit\u00ed.<\/td>\n<\/tr>\n<tr>\n<td><strong>Bod t\u00e1n\u00ed<\/strong><\/td>\n<td>~605-650&#176;C (1,121-1,202&#176;F)<\/td>\n<td>Vhodn\u00e9 pro v\u011bt\u0161inu pr\u016fmyslov\u00fdch aplikac\u00ed, podobn\u011b jako ostatn\u00ed slitiny 5xxx.<\/td>\n<\/tr>\n<tr>\n<td><strong>Tepeln\u00e1 vodivost<\/strong><\/td>\n<td>~134-150 W\/m&#183;K<\/td>\n<td>Dobr\u00fd odvod tepla, d\u00edky obsahu ho\u0159\u010d\u00edku o n\u011bco ni\u017e\u0161\u00ed ne\u017e 5005.<\/td>\n<\/tr>\n<tr>\n<td><strong>Elektrick\u00e1 vodivost<\/strong><\/td>\n<td>~34-36% IACS<\/td>\n<td>M\u00edrn\u00e1, podporuje nekritick\u00e9 elektrick\u00e9 pou\u017eit\u00ed, m\u00e9n\u011b ne\u017e 5005 (~ 50% IACS).<\/td>\n<\/tr>\n<tr>\n<td><strong>Koeficient tepeln\u00e9 rozta\u017enosti<\/strong><\/td>\n<td>23.8 &#215; 10&#8315;&#8310; \/&#176;C (20-100&#176;C)<\/td>\n<td>Standardn\u00ed pro hlin\u00edk, m\u00edrn\u00e1 rozta\u017enost p\u0159i zm\u011bn\u00e1ch teploty.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>V\u00fdhody a nev\u00fdhody pou\u017eit\u00ed hlin\u00edku 5251<\/h2>\n<p><strong>Slitina hlin\u00edku 5251<\/strong> excels in marine and automotive applications due to its excellent corrosion resistance, good formability, weldability, and lightweight nature (2.69 g\/cm&#179;), making it ideal for boat hulls and panels. However, its moderate strength (~180-230 MPa), non-heat-treatable limitation, poor anodizing quality, and fair machinability restrict its use in high-strength, decorative, or precision-machined applications, where alloys like 5182 or 6061 may be preferred.<\/p>\n<div class=\"table-responsive\">\n<table>\n<thead>\n<tr>\n<th><strong>Klady<\/strong><\/th>\n<th><strong>Nev\u00fdhody<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Vynikaj\u00edc\u00ed odolnost proti korozi<\/strong>: Vysok\u00fd obsah ho\u0159\u010d\u00edku (1,7-2,4%) zaji\u0161\u0165uje odolnost v\u016f\u010di mo\u0159sk\u00e9 vod\u011b a atmosf\u00e9rick\u00e9 korozi, tak\u017ee je ide\u00e1ln\u00ed pro mo\u0159sk\u00e9 prost\u0159ed\u00ed.<\/td>\n<td><strong>M\u00edrn\u00e1 s\u00edla<\/strong>: Pevnost v tahu (~180-230 MPa, H32) je ni\u017e\u0161\u00ed ne\u017e u 5182 nebo 5083, co\u017e omezuje pou\u017eit\u00ed v aplikac\u00edch s vysok\u00fdm zat\u00ed\u017een\u00edm.<\/td>\n<\/tr>\n<tr>\n<td><strong>Dobr\u00e1 tvarovatelnost<\/strong>: Snadno se oh\u00fdb\u00e1, lisuje nebo v\u00e1lcuje, vhodn\u00fd pro v\u00fdrobu automobilov\u00fdch panel\u016f a obklad\u016f.<\/td>\n<td><strong>Nen\u00ed tepeln\u011b zpracovateln\u00fd<\/strong>: Pevnost je na rozd\u00edl od 6061 z\u00e1visl\u00e1 na deforma\u010dn\u00edm zpevn\u011bn\u00ed, kter\u00e9 omezuje jej\u00ed pevnostn\u00ed potenci\u00e1l.<\/td>\n<\/tr>\n<tr>\n<td><strong>Vynikaj\u00edc\u00ed sva\u0159itelnost<\/strong>: Podporuje sva\u0159ov\u00e1n\u00ed metodou MIG\/TIG s minim\u00e1ln\u00edm v\u00fdskytem trhlin, ide\u00e1ln\u00ed pro konstruk\u010dn\u00ed sestavy.<\/td>\n<td><strong>\u0160patn\u00e1 kvalita eloxov\u00e1n\u00ed<\/strong>: Obsah ho\u0159\u010d\u00edku sni\u017euje estetick\u00fd vzhled v porovn\u00e1n\u00ed s 5005, m\u00e9n\u011b ide\u00e1ln\u00ed pro dekorativn\u00ed pou\u017eit\u00ed.<\/td>\n<\/tr>\n<tr>\n<td><strong>Lehk\u00e9<\/strong>: Density of 2.69 g\/cm&#179; reduces weight in marine and automotive components.<\/td>\n<td><strong>Poctiv\u00e1 obrobitelnost<\/strong>: Ho\u0159\u010d\u00edk vytv\u00e1\u0159\u00ed gumovit\u00e9 t\u0159\u00edsky, vy\u017eaduje specializovan\u00e9 n\u00e1stroje, je m\u00e9n\u011b \u00fa\u010dinn\u00fd ne\u017e 6061.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>Praktick\u00e9 aplikace hlin\u00edku 5251<\/h2>\n<p>Hlin\u00edk 5251 se pou\u017e\u00edv\u00e1 v pr\u016fmyslov\u00fdch odv\u011btv\u00edch, kter\u00e1 vy\u017eaduj\u00ed robustn\u00ed materi\u00e1ly s vysokou odolnost\u00ed proti korozi. Jeho praktick\u00e9 vyu\u017eit\u00ed zahrnuje n\u00e1mo\u0159n\u00ed konstrukce, d\u00edky jeho schopnosti odol\u00e1vat mo\u0159sk\u00e9 vod\u011b, a lisy, kde hraje kl\u00ed\u010dovou roli jeho ta\u017enost.<\/p>\n<p>Vehicle panels frequently feature the alloy for lightweight yet sturdy construction. Other uses include silos, containers, and furniture tubing. Its versatility makes it ideal for projects requiring reliable performance under varying conditions.<\/p>\n<h3>P\u0159\u00edpady pou\u017eit\u00ed v pr\u016fmyslu<\/h3>\n<p>Pr\u016fmyslov\u00e1 odv\u011btv\u00ed, kter\u00e1 se spol\u00e9haj\u00ed na plechy a hlin\u00edk pro komer\u010dn\u00ed \u00fa\u010dely, d\u00e1vaj\u00ed p\u0159ednost hlin\u00edku 5251 pro jeho v\u00fdkon a snadnou v\u00fdrobu. Jeho odolnost proti korozi je d\u016fle\u017eit\u00e1 pro <strong>n\u00e1mo\u0159n\u00ed pr\u016fmysl<\/strong>, where components like boat hulls must endure harsh conditions. This alloy is also suitable for <strong>agricultural silos and containers<\/strong>, ensuring longevity against environmental factors. Fast work hardening encourages its use in pressing and paneling for large projects.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2025\/05\/02b27c9c-b8d7-4e2e-9659-e5fbe5398304.png\" alt=\"5251 aluminum sheet industrial applications marine and automotive\"><\/figure>\n<h3>Ka\u017edodenn\u00ed aplikace<\/h3>\n<p><strong>Panely vozidla<\/strong> benefit from 5251 aluminum&#8217;s lightweight yet medium-strength properties, improving fuel efficiency without compromising safety.<\/p>\n<p>Marine structures also feature 5251 aluminum due to its high corrosion resistance against saltwater exposure. Its good ductility and weldability allow the construction of intricate shapes for boats and related marine equipment.<\/p>\n<p>Mezi dal\u0161\u00ed b\u011b\u017en\u00e1 pou\u017eit\u00ed pat\u0159\u00ed:<\/p>\n<ul>\n<li>N\u00e1bytkov\u00e9 trubky pro dom\u00e1c\u00ed a kancel\u00e1\u0159sk\u00e9 sestavy<\/li>\n<li>Sila a kontejnery pou\u017e\u00edvan\u00e9 v logistice a zem\u011bd\u011blstv\u00ed<\/li>\n<li>Household paneling to enhance durability<\/li>\n<\/ul>\n<h2>5251 Hlin\u00edk vs. ostatn\u00ed slitiny (srovn\u00e1n\u00ed)<\/h2>\n<h3>5251 vs. 5052 vs. 5083 Hlin\u00edk<\/h3>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2025\/05\/e895d853-fdbc-4933-8468-7a1f5ed97863.png\" alt=\"5251 aluminum vs 5052 vs 5083 aluminum alloy properties comparison\"><\/figure>\n<p>The 5251, 5052, and 5083 aluminum alloys are all 5000 series alloys, valued for their corrosion resistance, weldability, and strength, but they differ in composition, mechanical properties, and applications. Below is a comparison table showing the key differences:<\/p>\n<div class=\"table-responsive\">\n<table>\n<thead>\n<tr>\n<th><strong>Charakteristika<\/strong><\/th>\n<th><strong>5251 Hlin\u00edk<\/strong><\/th>\n<th><strong><a href=\"https:\/\/premiumalu.com\/cs\/produkt\/slitina-hliniku-5052\/\">Hlin\u00edk 5052<\/a><\/strong><\/th>\n<th><strong><a href=\"https:\/\/premiumalu.com\/cs\/produkt\/slitina-hliniku-5083\/\">Hlin\u00edk 5083<\/a><\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Prim\u00e1rn\u00ed legov\u00e1n\u00ed (Mg)<\/strong><\/td>\n<td>1.7-2.4% (m\u00edrn\u00fd Mg)<\/td>\n<td>2.2-2.8% (vyv\u00e1\u017een\u00fd Mg)<\/td>\n<td>4,0-4,9% (vysok\u00fd obsah Mg)<\/td>\n<\/tr>\n<tr>\n<td><strong>Pevnost v tahu (MPa)<\/strong><\/td>\n<td>~180-230 (teplota H32)<\/td>\n<td>~210-260 (teplota H32)<\/td>\n<td>~300-350 (teplota H32)<\/td>\n<\/tr>\n<tr>\n<td><strong>Odolnost proti korozi<\/strong><\/td>\n<td>Vynikaj\u00edc\u00ed (pro n\u00e1mo\u0159n\u00ed pou\u017eit\u00ed)<\/td>\n<td>Vynikaj\u00edc\u00ed (pro n\u00e1mo\u0159n\u00ed pou\u017eit\u00ed)<\/td>\n<td>Vynikaj\u00edc\u00ed (nejlep\u0161\u00ed pro n\u00e1mo\u0159n\u00ed pou\u017eit\u00ed)<\/td>\n<\/tr>\n<tr>\n<td><strong>Tvarovatelnost<\/strong><\/td>\n<td>Velmi dobr\u00fd (snadno tvarovateln\u00fd)<\/td>\n<td>Vynikaj\u00edc\u00ed (nejlep\u0161\u00ed pro slo\u017eit\u00e9 tvary)<\/td>\n<td>Dobr\u00fd (m\u00e9n\u011b tv\u00e1rn\u00fd d\u00edky pevnosti)<\/td>\n<\/tr>\n<tr>\n<td><strong>Typick\u00e9 aplikace<\/strong><\/td>\n<td>Lodn\u00ed trupy, automobilov\u00e9 panely<\/td>\n<td>Plechy, palivov\u00e9 n\u00e1dr\u017ee, lehk\u00e1 lodn\u00ed technika<\/td>\n<td>Stavba lod\u00ed, tlakov\u00e9 n\u00e1doby<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><strong>Summary:<\/strong><\/p>\n<ul>\n<li>5251 aluminum is a versatile option, offering moderate strength of around 180-230 MPa and excellent formability, making it a strong choice for marine hulls and automotive panels.<\/li>\n<li>5052 provides higher strength of approximately 210-260 MPa and exceptional formability, ideal for sheet metal and lightweight marine uses.<\/li>\n<li>5083 delivers top-tier strength of about 300-350 MPa along with outstanding corrosion resistance, making it the preferred choice for heavy-duty marine and structural applications.<\/li>\n<\/ul>\n<h3>Hlin\u00edk 5251 vs. 6061 vs. 1050<\/h3>\n<p>The 5251, 6061, and 1050 aluminum alloys are widely used but differ significantly in composition, properties, and applications. Below is a comparison table focusing on the key differences:<\/p>\n<div class=\"table-responsive\">\n<table>\n<thead>\n<tr>\n<th><strong>Charakteristika<\/strong><\/th>\n<th><strong>5251 Hlin\u00edk<\/strong><\/th>\n<th><strong><a href=\"https:\/\/premiumalu.com\/cs\/produkt\/slitina-hliniku-6061\/\">Hlin\u00edk 6061<\/a><\/strong><\/th>\n<th><strong><a href=\"https:\/\/premiumalu.com\/cs\/produkt\/slitina-hliniku-1050\/\">1050 Hlin\u00edk<\/a><\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Prim\u00e1rn\u00ed leguj\u00edc\u00ed prvky<\/strong><\/td>\n<td>Mg (1,7-2,4%), Mn (0,1-0,5%)<\/td>\n<td>Mg (0,8-1,2%), Si (0,4-0,8%), Cu (0,15-0,4%).<\/td>\n<td>\u017d\u00e1dn\u00e9 (99,5%+ Al, minimum ne\u010distot)<\/td>\n<\/tr>\n<tr>\n<td><strong>Pevnost v tahu (MPa)<\/strong><\/td>\n<td>~180-230 (teplota H32)<\/td>\n<td>~310 (teplota T6)<\/td>\n<td>~70-120 (teplota H14)<\/td>\n<\/tr>\n<tr>\n<td><strong>Odolnost proti korozi<\/strong><\/td>\n<td>Vynikaj\u00edc\u00ed (mo\u0159sk\u00e1, s Mg)<\/td>\n<td>Velmi dobr\u00fd (pro v\u0161eobecn\u00e9 pou\u017eit\u00ed, Cu se m\u00edrn\u011b sni\u017euje)<\/td>\n<td>Vynikaj\u00edc\u00ed (t\u00e9m\u011b\u0159 \u010dist\u00fd Al, bez legov\u00e1n\u00ed)<\/td>\n<\/tr>\n<tr>\n<td><strong>Sva\u0159itelnost<\/strong><\/td>\n<td>Superior (MIG\/TIG, minim\u00e1ln\u00ed prask\u00e1n\u00ed)<\/td>\n<td>Vynikaj\u00edc\u00ed (MIG\/TIG, tepeln\u011b zpracovateln\u00e9)<\/td>\n<td>Vynikaj\u00edc\u00ed (ale n\u00edzk\u00e1 pevnost omezuje pou\u017eit\u00ed)<\/td>\n<\/tr>\n<tr>\n<td><strong>Tvarovatelnost<\/strong><\/td>\n<td>Dobr\u00fd (hod\u00ed se pro slo\u017eit\u00e9 tvary, nap\u0159. panely)<\/td>\n<td>Dobr\u00fd (tu\u017e\u0161\u00ed v T6, m\u00e9n\u011b tv\u00e1rn\u00fd)<\/td>\n<td>Vynikaj\u00edc\u00ed (vysoce tv\u00e1rn\u00e1, m\u011bkk\u00e1 slitina)<\/td>\n<\/tr>\n<tr>\n<td><strong>Tepeln\u011b zpracovateln\u00e9<\/strong><\/td>\n<td>Ne (pouze pro kalen\u00ed v tahu)<\/td>\n<td>Ano (T6 zvy\u0161uje pevnost)<\/td>\n<td>Ne (\u010dist\u00fd hlin\u00edk, pouze tvrzen\u00fd)<\/td>\n<\/tr>\n<tr>\n<td><strong>Typick\u00e9 aplikace<\/strong><\/td>\n<td>Lodn\u00ed trupy, automobilov\u00e9 panely, obklady<\/td>\n<td>Konstruk\u010dn\u00ed r\u00e1my, v\u00fdlisky, leteck\u00fd pr\u016fmysl<\/td>\n<td>Elektrick\u00e9 vodi\u010de, reflektory, n\u00e1dob\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><strong>Summary:<\/strong><\/p>\n<ul>\n<li><strong>5251 hlin\u00edk<\/strong> offers excellent corrosion resistance and weldability with moderate strength (~180-230 MPa), ideal for marine and automotive panels. It is non-heat-treatable.<\/li>\n<li><strong>Hlin\u00edk 6061<\/strong> provides higher strength (~310 MPa) and versatility for structural uses through heat treatment, though with slightly less corrosion resistance.<\/li>\n<li><strong>1050 hlin\u00edk<\/strong>, t\u00e9m\u011b\u0159 \u010dist\u00fd hlin\u00edk, vynik\u00e1 tvarovatelnost\u00ed a odolnost\u00ed proti korozi, ale m\u00e1 n\u00edzkou pevnost (~70-120 MPa), hod\u00ed se pro elektrotechnick\u00e9 a dekorativn\u00ed aplikace. Zvolte 5251 pro odolnost v mo\u0159i, 6061 pro konstruk\u010dn\u00ed pevnost a 1050 pro ta\u017enost a vodivost.<\/li>\n<\/ul>\n<h2>Z\u00e1v\u011br<\/h2>\n<p>5251 aluminum delivers a practical balance of corrosion resistance, formability, and weldability at moderate strength levels. Its main trade-off is that it cannot be heat-treated for higher strength, making it less suitable for high-load structural applications where 5083 or 6061 would be preferred. For buyers seeking marine-grade durability and fabrication ease without extreme strength requirements, 5251 aluminum sheet is a cost-effective choice.<\/p>\n<p>As a <strong><a href=\"https:\/\/premiumalu.com\/cs\/?page_id=2761\">leading aluminum supplier<\/a><\/strong> in China, <strong>Hlin\u00edk Linsy<\/strong> manufactures 5251 aluminum sheet to meet demanding industry standards. Our advanced production facilities ensure consistent quality, precision, and tailored options for your specific project needs. We provide <a href=\"https:\/\/premiumalu.com\/cs\/produkt\/slitina-hliniku-5251\/\">Slitina hlin\u00edku 5251<\/a> in sheet and plate forms with transparent pricing and reliable lead times.<\/p>\n<p><strong><a href=\"https:\/\/api.whatsapp.com\/send\/?phone=%2B8618124703776&amp;text&amp;type=phone_number&amp;app_absent=0\">Z\u00cdSKAT NAB\u00cdDKU<\/a><\/strong> for 5251 aluminum sheet today.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2025\/05\/7befc750-7bf7-44f7-8961-5189840fd4e2.png\" alt=\"Linsy Aluminum 5251 sheet manufacturing and supply capabilities\"><\/figure>\n<h2>\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n<h3>Pro\u010d je hlin\u00edk 5251 vhodn\u00fd do mo\u0159sk\u00e9ho prost\u0159ed\u00ed?<\/h3>\n<p>Jeho vysok\u00e1 odolnost proti korozi mu umo\u017e\u0148uje odol\u00e1vat p\u016fsoben\u00ed mo\u0159sk\u00e9 vody, ani\u017e by do\u0161lo k jeho degradaci. Dobr\u00e1 tv\u00e1rnost p\u0159isp\u00edv\u00e1 k jeho p\u0159izp\u016fsobivosti p\u0159i v\u00fdrob\u011b slo\u017eit\u00fdch n\u00e1mo\u0159n\u00edch konstrukc\u00ed a z\u00e1rove\u0148 zaji\u0161\u0165uje dlouhodobou odolnost v n\u00e1ro\u010dn\u00fdch podm\u00ednk\u00e1ch.<\/p>\n<h3>Jak\u00fd je hlin\u00edk 5251 ve srovn\u00e1n\u00ed s hlin\u00edkem 6061?<\/h3>\n<p>5251 is a medium-strength alloy with excellent formability and superior corrosion resistance, making it better suited for marine and outdoor applications. 6061 offers higher tensile strength (~310 MPa in T6) and is heat-treatable, making it the better choice for structural and machined components.<\/p>\n<h3>Lze hlin\u00edk 5251 snadno sva\u0159ovat?<\/h3>\n<p>Ano, hlin\u00edk 5251 je snadno sva\u0159iteln\u00fd. Doporu\u010den\u00e9 p\u0159\u00eddavn\u00e9 dr\u00e1ty zahrnuj\u00ed 5356 pro v\u011bt\u0161inu aplikac\u00ed a 4043 pro kompatibilitu se specifick\u00fdmi slitinami. D\u00edky tomu je ide\u00e1ln\u00ed pro projekty vy\u017eaduj\u00edc\u00ed beze\u0161v\u00e9 spoje a flexibiln\u00ed mo\u017enosti v\u00fdroby.<\/p>\n<h3>Jak\u00e1 jsou omezen\u00ed pou\u017eit\u00ed hlin\u00edku 5251?<\/h3>\n<p>Its machinability is rated as average, which can slow high-speed operations. Its moderate strength may not meet specifications for heavy-duty sectors requiring higher mechanical properties like aviation and defense applications.<\/p>\n<h3>Odkud se hlin\u00edk 5251 ve Spojen\u00fdch st\u00e1tech b\u011b\u017en\u011b z\u00edsk\u00e1v\u00e1?<\/h3>\n<p>Hlin\u00edk 5251 se \u010dasto z\u00edsk\u00e1v\u00e1 od specializovan\u00fdch dodavatel\u016f kov\u016f pro komer\u010dn\u00ed aplikace. Tito distributo\u0159i dod\u00e1vaj\u00ed plechy, desky a formy na m\u00edru pr\u016fmyslov\u00fdm odv\u011btv\u00edm po cel\u00fdch Spojen\u00fdch st\u00e1tech, zejm\u00e9na pro v\u0161eobecn\u00e9 pr\u00e1ce s plechem a v\u00fdrobu.<\/p>","protected":false},"excerpt":{"rendered":"<p>Key Highlights 5251 aluminum is a medium-strength alloy known for its good ductility and excellent corrosion resistance, especially in marine environments. It rapidly work-hardens and offers outstanding formability for various industrial applications. The alloy is highly compatible with welding processes, using recommended filler wires like 5356 or 4043 for optimal results. Featuring a chemical composition [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8655,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"5251 Aluminum Sheet: Properties, Applications and Alloy Comparison Guide","_seopress_titles_desc":"Learn about 5251 aluminum sheet properties including chemical composition, mechanical strength, corrosion resistance, and weldability. Compare 5251 with 5052, 5083, 6061, and 1050 aluminum alloys for marine, automotive, and industrial applications.","_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-8661","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\/8661","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=8661"}],"version-history":[{"count":1,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/8661\/revisions"}],"predecessor-version":[{"id":10181,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/8661\/revisions\/10181"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media\/8655"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media?parent=8661"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/categories?post=8661"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/tags?post=8661"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}