{"id":8866,"date":"2025-06-28T10:28:52","date_gmt":"2025-06-28T10:28:52","guid":{"rendered":"https:\/\/premiumalu.com\/discover-2011-aluminum-your-comprehensive-guide\/"},"modified":"2026-07-27T12:39:27","modified_gmt":"2026-07-27T12:39:27","slug":"objevte-2011-hlinik-vas-komplexni-pruvodce","status":"publish","type":"post","link":"https:\/\/premiumalu.com\/cs\/objevte-2011-hlinik-vas-komplexni-pruvodce\/","title":{"rendered":"Komplexn\u00ed pr\u016fvodce hlin\u00edkov\u00fdmi slitinami pro rok 2011"},"content":{"rendered":"<h2>Kl\u00ed\u010dov\u00e9 informace<\/h2>\n<ul>\n<li>2011 aluminum offers <strong>vynikaj\u00edc\u00ed obrobitelnost<\/strong>, making it ideal for high-speed automatic lathe work.<\/li>\n<li>Jeho <strong>pevnost v tahu<\/strong> is moderate, suited to less demanding precision parts.<\/li>\n<li><strong>Odolnost proti korozi<\/strong> is poor, so protective coatings or anodising are usually required.<\/li>\n<li>Lead and bismuth additions improve chip breaking for repetitive machining.<\/li>\n<li>It is not weldable, which limits it to machined or bolted assemblies.<\/li>\n<\/ul>\n<p>The sections below explain 2011 aluminum in detail, from composition to temper selection.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2025\/06\/1de29cbf-4e89-4b31-86bc-33083990fafd.png\" alt=\"2011 aluminum alloy bar stock prepared for precision machining\"><\/figure>\n<h2>\u00davod<\/h2>\n<p>2011 aluminum alloy is a 2000-series free-machining grade built for <strong>high-speed precision machining<\/strong>. It produces fine, easily cleared chips and a good surface finish on automatic lathes, which is why it is often called a &#8220;Free Machining Alloy.&#8221; Like other 2000-series grades it offers only <strong>m\u00edrn\u00e1 odolnost proti korozi<\/strong>, so anodising or coating is common in harsher service. For sourcing detail and 2026 updates, see our <a href=\"https:\/\/premiumalu.com\/cs\/ultimate-guide-to-2011-aluminum-2026-updates-inside\/\">ultimate guide to 2011 aluminum<\/a>.<\/p>\n<h2>Co je slitina hlin\u00edku 2011?<\/h2>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2025\/06\/59381489-a703-4be8-ae4b-12bd62106094.png\" alt=\"Machined 2011 aluminum precision components\"><\/figure>\n<p>2011 aluminum is a copper-based, free-machining alloy designed for intricate and repetitive screw-machine work. Copper (5.0%\u20136.0%) is the main strengthening element, while lead and bismuth (0.2%\u20130.6% each) improve machinability rather than strength. It is a practical choice when the priority is chip control and cycle time, not corrosion performance. It is commonly stocked as bars, rods, and profiles in tempers such as T3 and T8.<\/p>\n<h3>Chemick\u00e9 slo\u017een\u00ed hlin\u00edku 2011<\/h3>\n<p>2011 is a 2000-series free-machining alloy. Copper raises strength, while lead and bismuth aid machinability. The table below lists typical composition ranges by weight.<\/p>\n<div class=\"table-responsive\">\n<table>\n<thead>\n<tr>\n<th>Prvek<\/th>\n<th>Rozsah slo\u017een\u00ed (% hmotnostn\u011b)<\/th>\n<th>Popis<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Hlin\u00edk (Al)<\/td>\n<td>91.3 - 94.3<\/td>\n<td>Prim\u00e1rn\u00ed sou\u010d\u00e1st, kter\u00e1 poskytuje lehk\u00fd z\u00e1klad se st\u0159edn\u00ed odolnost\u00ed proti korozi.<\/td>\n<\/tr>\n<tr>\n<td>M\u011b\u010f (Cu)<\/td>\n<td>5.0 - 6.0<\/td>\n<td>V\u00fdrazn\u011b zvy\u0161uje pevnost, ide\u00e1ln\u00ed pro d\u00edly s vysokou pevnost\u00ed.<\/td>\n<\/tr>\n<tr>\n<td>Olovo (Pb)<\/td>\n<td>0.2 - 0.6<\/td>\n<td>Enhances machinability, allowing smooth, high-speed processing.<\/td>\n<\/tr>\n<tr>\n<td>Bismut (Bi)<\/td>\n<td>0.2 - 0.6<\/td>\n<td>Zlep\u0161uje tvorbu t\u0159\u00edsek p\u0159i obr\u00e1b\u011bn\u00ed a zvy\u0161uje p\u0159esnost.<\/td>\n<\/tr>\n<tr>\n<td>\u017delezo (Fe)<\/td>\n<td>0,7 (max.)<\/td>\n<td>Udr\u017euje se na n\u00edzk\u00e9 \u00farovni, aby se zachovala integrita slitiny a sn\u00ed\u017eilo riziko koroze.<\/td>\n<\/tr>\n<tr>\n<td>K\u0159em\u00edk (Si)<\/td>\n<td>0,4 (max.)<\/td>\n<td>Omezen\u00e9 pro zaji\u0161t\u011bn\u00ed optim\u00e1ln\u00edch vlastnost\u00ed p\u0159i obr\u00e1b\u011bn\u00ed.<\/td>\n<\/tr>\n<tr>\n<td>Zinek (Zn)<\/td>\n<td>0,3 (max.)<\/td>\n<td>Minim\u00e1ln\u00ed, aby nedo\u0161lo k ovlivn\u011bn\u00ed pevnosti a odolnosti proti korozi.<\/td>\n<\/tr>\n<tr>\n<td>Ostatn\u00ed (ka\u017ed\u00fd)<\/td>\n<td>0,05 (max.)<\/td>\n<td>Stopov\u00e9 prvky, kontrolovan\u00e9 pro zaji\u0161t\u011bn\u00ed konzistence slitiny.<\/td>\n<\/tr>\n<tr>\n<td>Ostatn\u00ed (celkem)<\/td>\n<td>0,15 (max.)<\/td>\n<td>Celkem drobn\u00e9 prvky, udr\u017eovan\u00e9 na n\u00edzk\u00e9 \u00farovni pro zachov\u00e1n\u00ed v\u00fdkonu.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>This composition maximizes machinability while keeping weight low. Where higher corrosion resistance is needed, alloys such as 6262 T9 are considered superior alternatives.<\/p>\n<h3>Kl\u00ed\u010dov\u00e9 fyzik\u00e1ln\u00ed vlastnosti a rysy<\/h3>\n<p>The physical properties of 2011 aluminum make it useful for high-speed, <strong>vynikaj\u00edc\u00ed obrobitelnost<\/strong> applications that also need modest <strong>pevnost v tahu<\/strong>. It has a density of 2.83 g\/cm\u00b3, which keeps parts lightweight yet durable.<\/p>\n<p>Its modulus of elasticity (70 GPa) gives reliable stability under moderate stress, while its thermal expansion coefficient (22.9\u00d710\u207b\u2076\/K) suits temperature-varying environments. Typical tensile strength is 310 MPa minimum and proof stress 230 MPa minimum.<\/p>\n<p>Corrosion resistance is moderate, so anodising is recommended for some environments. The Brinell hardness of 110 HB supports high-speed operations that generate fine, easy-to-remove chips.<\/p>\n<h3>B\u011b\u017en\u00e9 aplikace<\/h3>\n<p>Because of its strengths in <strong>v\u00fdroba<\/strong> a <strong>high-speed machining<\/strong>, 2011 aluminum fits many precision industries. Common applications include:<\/p>\n<ul>\n<li><strong>D\u00edly pro spot\u0159ebi\u010de<\/strong> and trims with clean aesthetic finishes.<\/li>\n<li><strong>Automobilov\u00e9 li\u0161ty<\/strong> where lightweight machined parts are needed.<\/li>\n<li><strong>Spojovac\u00ed materi\u00e1l a kov\u00e1n\u00ed<\/strong> for functional and decorative use.<\/li>\n<li><strong>Sou\u010d\u00e1sti v\u00fdzbroje<\/strong> that demand durability and repeatability.<\/li>\n<\/ul>\n<p>These uses rely on the alloy&#8217;s machinability and ability to produce detailed components efficiently, though anodising is needed in corrosive environments.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2025\/06\/d7b1b595-a38e-45c9-a109-23386b21a407.png\" alt=\"Typical 2011 aluminum applications including fasteners and fittings\"><\/figure>\n<h2>2011 Hlin\u00edk vs. ostatn\u00ed slitiny<\/h2>\n<p>2011 is a high-strength material built for precision machining and consistent components.<\/p>\n<p>Its main characteristics are:<\/p>\n<ul>\n<li><strong>Lightweight density<\/strong>: about 2.82 g\/cm\u00b3, light for its strength.<\/li>\n<li><strong>Vysok\u00e1 pevnost<\/strong>: tensile strength around 350\u2013400 MPa in T3 temper.<\/li>\n<li><strong>Vynikaj\u00edc\u00ed obrobitelnost<\/strong>: easy to cut and shape for precision parts.<\/li>\n<li><strong>Poor corrosion resistance<\/strong>: needs coatings in harsh or wet environments.<\/li>\n<li><strong>Limited weldability<\/strong>: not suitable for welding; use machined or bolted assemblies.<\/li>\n<\/ul>\n<div class=\"table-responsive\">\n<table>\n<thead>\n<tr>\n<th>Majetek<\/th>\n<th>Value \/ Description<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Hustota<\/td>\n<td>2,82 g\/cm\u00b3<\/td>\n<\/tr>\n<tr>\n<td>Bod t\u00e1n\u00ed<\/td>\n<td>~540-640\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Pevnost v tahu (teplota T3)<\/td>\n<td>~350-400 MPa<\/td>\n<\/tr>\n<tr>\n<td>Mez kluzu (teplota T3)<\/td>\n<td>~300-350 MPa<\/td>\n<\/tr>\n<tr>\n<td>Odolnost proti korozi<\/td>\n<td>Poor; requires coatings in harsh environments<\/td>\n<\/tr>\n<tr>\n<td>Tepeln\u00e1 vodivost<\/td>\n<td>~150-170 W\/m-K<\/td>\n<\/tr>\n<tr>\n<td>Elektrick\u00e1 vodivost<\/td>\n<td>~38-43% IACS<\/td>\n<\/tr>\n<tr>\n<td>Sva\u0159itelnost<\/td>\n<td>Poor; not recommended for welding<\/td>\n<\/tr>\n<tr>\n<td>Tvarovatelnost<\/td>\n<td>Moderate; suited to machining, not complex shapes<\/td>\n<\/tr>\n<tr>\n<td>Rychlost tepeln\u00e9 rozta\u017enosti<\/td>\n<td>22.9 \u00d7 10-\u2076 \/\u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3>Hlin\u00edk 2011 vs. 2024 vs. 6061<\/h3>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2025\/06\/273c276b-7198-4cbc-a15c-73687c9c59b9.png\" alt=\"Comparison of 2011, 2024 and 6061 aluminum alloys\"><\/figure>\n<p>Comparing 2011, 2024, and 6061 shows how each fits different jobs.<\/p>\n<div class=\"table-responsive\">\n<table>\n<thead>\n<tr>\n<th>Slitina<\/th>\n<th>Kl\u00ed\u010dov\u00e9 charakteristiky<\/th>\n<th>S\u00edla<\/th>\n<th>Odolnost proti korozi<\/th>\n<th>Sva\u0159itelnost<\/th>\n<th>Typick\u00e9 aplikace<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><a href=\"https:\/\/premiumalu.com\/cs\/produkt\/2011-hlinikova-slitina\/\">2011<\/a><\/td>\n<td>V\u00fdborn\u00e1 obrobitelnost, tepeln\u011b zpracovateln\u00e9, st\u0159edn\u00ed pevnost<\/td>\n<td>M\u00edrn\u00e1 (T3: ~370 MPa)<\/td>\n<td>\u0160patn\u00fd<\/td>\n<td>\u0160patn\u00fd<\/td>\n<td>V\u00fdrobky pro \u0161roubovac\u00ed stroje, kov\u00e1n\u00ed, p\u0159esn\u00e9 d\u00edly<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/premiumalu.com\/cs\/produkt\/2024-hlinikova-slitina\/\">2024<\/a><\/td>\n<td>Vysok\u00e1 pevnost, dobr\u00e1 obrobitelnost, tepeln\u00e9 zpracov\u00e1n\u00ed<\/td>\n<td>Vysok\u00e1 (T3: ~480 MPa)<\/td>\n<td>\u0160patn\u00fd<\/td>\n<td>\u0160patn\u00fd<\/td>\n<td>Leteck\u00e9 pl\u00e1\u0161t\u011b, konstruk\u010dn\u00ed d\u00edly pro leteck\u00fd pr\u016fmysl<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/premiumalu.com\/cs\/produkt\/slitina-hliniku-6061\/\">6061<\/a><\/td>\n<td>Univerz\u00e1ln\u00ed, tepeln\u011b zpracovateln\u00fd, s vyv\u00e1\u017eenou pevnost\u00ed a tva\u0159itelnost\u00ed<\/td>\n<td>M\u00edrn\u00e1 (T6: ~310 MPa)<\/td>\n<td>Velmi dobr\u00e9<\/td>\n<td>Vynikaj\u00edc\u00ed<\/td>\n<td>Konstruk\u010dn\u00ed prvky, lodn\u00ed p\u0159\u00edslu\u0161enstv\u00ed, v\u0161eobecn\u00e9 pou\u017eit\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><strong>In summary:<\/strong><\/p>\n<ul>\n<li><strong>2011 hlin\u00edk<\/strong>: top machinability for precision screw-machine parts.<\/li>\n<li><strong>2024 hlin\u00edk<\/strong>: high strength for aerospace structural components.<\/li>\n<li><strong>Hlin\u00edk 6061<\/strong>: versatile and corrosion resistant for general structures.<\/li>\n<\/ul>\n<p>Choose 2011 for machinable parts, 2024 for strong aerospace uses, and 6061 for flexible, corrosion-resistant structures.<\/p>\n<h2>Srovn\u00e1n\u00ed teplot T3, T6 a T8 v roce 2011<\/h2>\n<p>Temper choice changes the <strong>pevnost v tahu<\/strong> and behavior of 2011 at <strong>vysok\u00e9 rychlosti<\/strong>.<\/p>\n<div class=\"table-responsive\">\n<table>\n<thead>\n<tr>\n<th>Temperament<\/th>\n<th>Kl\u00ed\u010dov\u00e9 charakteristiky<\/th>\n<th>S\u00edla<\/th>\n<th>Odolnost proti korozi<\/th>\n<th>Tvarovatelnost<\/th>\n<th>Typick\u00e9 aplikace<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>2011 T3<\/td>\n<td>tepeln\u011b zpracovan\u00e9 roztokem, zpracovan\u00e9 za studena, p\u0159irozen\u011b zest\u00e1rl\u00e9, vysok\u00e1 obrobitelnost<\/td>\n<td>M\u00edrn\u00e1 (~370 MPa)<\/td>\n<td>\u0160patn\u00fd<\/td>\n<td>Dobr\u00fd<\/td>\n<td>V\u00fdrobky pro \u0161roubovac\u00ed stroje, kov\u00e1n\u00ed, p\u0159esn\u00e9 d\u00edly<\/td>\n<\/tr>\n<tr>\n<td>2011 T6<\/td>\n<td>Tepeln\u011b o\u0161et\u0159en\u00fd roztokem, um\u011ble zest\u00e1rl\u00fd, vy\u0161\u0161\u00ed pevnost<\/td>\n<td>Vysok\u00e1 (~400 MPa)<\/td>\n<td>\u0160patn\u00fd<\/td>\n<td>M\u00edrn\u00e1<\/td>\n<td>Vysokopevnostn\u00ed p\u0159esn\u00e9 sou\u010d\u00e1sti, spojovac\u00ed materi\u00e1l<\/td>\n<\/tr>\n<tr>\n<td>2011 T8<\/td>\n<td>tepeln\u011b zpracovan\u00e9 roztokem, zpracovan\u00e9 za studena, um\u011ble zest\u00e1rl\u00e9, nejvy\u0161\u0161\u00ed pevnost<\/td>\n<td>Nejvy\u0161\u0161\u00ed (~420 MPa)<\/td>\n<td>\u0160patn\u00fd<\/td>\n<td>Doln\u00ed<\/td>\n<td>Vysokopevnostn\u00ed obr\u00e1b\u011bn\u00e9 d\u00edly, leteck\u00e9 kov\u00e1n\u00ed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><strong>2011 T3<\/strong> offers a balance for general machining with good surface finishes. <strong>2011 T6<\/strong> is heat-treated and artificially aged for enhanced strength under stress. <strong>2011 T8<\/strong> is the hardest option, supporting intricate parts at high speeds.<\/p>\n<p>Selecting the right temper depends on the application. Under rigorous conditions, T6 or T8 outperform T3 where higher strength or finer detailing is required.<\/p>\n<h2>Tipy pro z\u00edsk\u00e1v\u00e1n\u00ed hlin\u00edku v roce 2011<\/h2>\n<ol>\n<li><strong>Check alloy specifications:<\/strong> Confirm the <strong>2011 hlin\u00edk<\/strong> meets precise machining standards. Linsy Aluminum supplies 2011 that conforms to <strong>ASTM B211<\/strong>, ensuring the right chemical composition for free machining.<\/li>\n<li><strong>Confirm temper availability:<\/strong> Verify the supplier stocks the temper you need. Linsy Aluminum supplies 2011 in <strong>Temperamenty T3 a T8<\/strong>, known for excellent machinability and chip-breaking behavior.<\/li>\n<li><strong>Match application needs:<\/strong> Work with suppliers experienced in high-volume machining. Linsy Aluminum specializes in 2011 for <strong>\u0161roubovac\u00ed automaty, spojovac\u00ed materi\u00e1l a slo\u017eit\u00e9 d\u00edly.<\/strong> that need superior chip control.<\/li>\n<li><strong>Assess machinability:<\/strong> Look for consistent chip formation and reduced tool wear. Linsy Aluminum&#8217;s 2011 is engineered for outstanding machinability, shortening cycle times and raising efficiency.<\/li>\n<li><strong>Ensure reliable supply:<\/strong> Choose a supplier with consistent quality and on-time delivery. Linsy Aluminum provides global distribution and dedicated technical support so production runs smoothly.<\/li>\n<\/ol>\n<h2>Z\u00e1v\u011br<\/h2>\n<p>2011 aluminum is a specialist free-machining grade. It machines faster and cleaner than most alternatives, but its <strong>\u0161patn\u00e1 odolnost proti korozi<\/strong> a <strong>limited weldability<\/strong> make it best for indoor precision screw-machine parts rather than structural or corrosive-service components.<\/p>\n<p><strong>Why choose Linsy for 2011 aluminum?<\/strong> Linsy Aluminum is a trusted, professional supplier of certified 2011 stock that conforms to ISO 9001, ASTM B211, QQ-A-225\/3, and EN standards. With 20 years of experience and 300,000 tons of annual production capacity, Linsy supplies 2011 in T3 and T8 tempers with custom dimensions, low MOQs, and global delivery to 20+ countries plus responsive technical support.<\/p>\n<p>Ready to source 2011 for your next machining run? <a href=\"https:\/\/premiumalu.com\/cs\/produkt\/2011-hlinikova-slitina\/\">Visit the 2011 aluminum alloy product page<\/a> to review stock forms and tempers and request a quote.<\/p>\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/premiumalu.com\/wp-content\/uploads\/2025\/06\/d620d6cc-dfbf-4bbf-b323-fadbc836cb5e.png\" alt=\"Linsy 2011 aluminum bar and precision machined parts\"><\/figure>\n<h2>\u010casto kladen\u00e9 ot\u00e1zky<\/h2>\n<h3>\u010c\u00edm se hlin\u00edk 2011 li\u0161\u00ed od ostatn\u00edch hlin\u00edkov\u00fdch slitin?<\/h3>\n<p>2011 stands out for its <strong>vynikaj\u00edc\u00ed obrobitelnost<\/strong> and efficiency at <strong>vysok\u00e9 rychlosti<\/strong>. Unlike many alloys, it uses lead and bismuth to aid intricate-part production. It offers only moderate <strong>odolnost proti korozi<\/strong> and needs anodising for surface protection.<\/p>\n<h3>Lze hlin\u00edk z roku 2011 sva\u0159ovat nebo tepeln\u011b zpracov\u00e1vat?<\/h3>\n<p>Welding is not recommended because of extremely poor weldability. It does support <strong>zpracov\u00e1n\u00ed za studena<\/strong> a m\u016f\u017ee b\u00fdt <strong>tepeln\u011b zpracovan\u00e9<\/strong> in tempers such as T6 to raise <strong>pevnost v tahu<\/strong>, which suits complex machined components.<\/p>\n<h3>Je hlin\u00edk 2011 vhodn\u00fd pro vysoce nam\u00e1han\u00e9 komponenty?<\/h3>\n<p>While 2011 excels at <strong>vynikaj\u00edc\u00ed obrobitelnost<\/strong> and high-speed work, its <strong>pevnost v tahu<\/strong> is lower than many industrial alternatives. It is better suited to precision parts than to fabrication under extreme or long-term stress.<\/p>\n<h3>Je hlin\u00edk 2011 vhodn\u00fd do korozivn\u00edho prost\u0159ed\u00ed?<\/h3>\n<p>Because of its <strong>m\u00edrn\u00e1 odolnost proti korozi<\/strong>, 2011 is limited in corrosive environments and components usually need anodising. Its <strong>vynikaj\u00edc\u00ed obrobitelnost<\/strong> a <strong>zpracov\u00e1n\u00ed za studena<\/strong> make it ideal for short-term or indoor applications.<\/p>\n<h3>Jak je na tom hlin\u00edk 2011 v porovn\u00e1n\u00ed s hlin\u00edkem 6061 z hlediska obrobitelnosti?<\/h3>\n<p>2011 nab\u00edz\u00ed <strong>vynikaj\u00edc\u00ed obrobitelnost<\/strong>, beating 6061 for intricate and repetitive high-speed work. 6061 gives better <strong>odolnost proti korozi<\/strong> and structural use, while 2011 remains the preference for precision, efficiency-focused tooling.<\/p>\n<h3>Kter\u00fd temperovan\u00fd hlin\u00edk z roku 2011 je nejvhodn\u011bj\u0161\u00ed pro obr\u00e1b\u011bn\u00ed?<\/h3>\n<p>Na str\u00e1nk\u00e1ch <strong>T6 temperace<\/strong> of 2011 is a strong choice for machining, combining good <strong>pevnost v tahu<\/strong> with efficient <strong>zpracov\u00e1n\u00ed za studena<\/strong>. Its harder surface supports high-speed operation and detailed, repetitive tasks.<\/p>","protected":false},"excerpt":{"rendered":"<p>Key Highlights 2011 aluminum offers excellent machinability, making it ideal for high-speed automatic lathe work. Its tensile strength is moderate, suited to less demanding precision parts. Corrosion resistance is poor, so protective coatings or anodising are usually required. Lead and bismuth additions improve chip breaking for repetitive machining. It is not weldable, which limits it [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8860,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"2011 Aluminum Alloy: Properties, Tempers and Machining Guide","_seopress_titles_desc":"Learn 2011 aluminum alloy's chemical composition, mechanical properties, T3\/T6\/T8 tempers, and how it compares to 2024 and 6061. A practical machining-focused guide for sourcing precision parts.","_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],"tags":[],"class_list":["post-8866","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-2000-series-aluminum"],"_links":{"self":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/8866","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=8866"}],"version-history":[{"count":1,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/8866\/revisions"}],"predecessor-version":[{"id":10178,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/posts\/8866\/revisions\/10178"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media\/8860"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/media?parent=8866"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/categories?post=8866"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/cs\/wp-json\/wp\/v2\/tags?post=8866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}