{"id":2939,"date":"2021-01-21T09:06:56","date_gmt":"2021-01-21T08:06:56","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=2939"},"modified":"2025-09-29T10:29:45","modified_gmt":"2025-09-29T08:29:45","slug":"esferas-de-aluminio","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/pt-pt\/produtos\/esferas-de-metais-nao-ferrosos-e-suas-ligas\/esferas-de-aluminio\/","title":{"rendered":"Esferas de Alum\u00ednio"},"content":{"rendered":"<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Aluminium\">Esferas de Alum\u00ednio 2017-T4 \u2013 leves, condutoras, alta rela\u00e7\u00e3o resist\u00eancia\/peso<\/a><\/h2>\n<p>As Esferas de alum\u00ednio 2017-T4 oferecem baixa massa com desempenho mec\u00e2nico robusto e excelente condutividade el\u00e9trica\/t\u00e9rmica. Feitas de uma liga de alum\u00ednio com cobre envelhecida para a condi\u00e7\u00e3o T4, equilibram resist\u00eancia, usinabilidade e resist\u00eancia \u00e0 corros\u00e3o razo\u00e1vel\u2014ideais onde s\u00e3o necess\u00e1rios elementos rolantes ou de veda\u00e7\u00e3o n\u00e3o magn\u00e9ticos e leves.<\/p>\n<h3>\ud83d\udd27 Especifica\u00e7\u00f5es t\u00e9cnicas principais<\/h3>\n<ul>\n<li><strong>Composi\u00e7\u00e3o<\/strong>: Cu 3.5\u20134.5%, Mg 0.4\u20130.8%, Mn 0.4\u20131.0%, Si 0.2\u20130.8%, Fe \u22640.7% (balan\u00e7o Al)<\/li>\n<li><strong>Temper<\/strong>: T4 (solubilizado, envelhecimento natural)<\/li>\n<li><strong>Densidade<\/strong>: ~2.78 g\/cm\u00b3<\/li>\n<li><strong>El\u00e9trico<\/strong>: alta condutividade; <strong>Magn\u00e9tico<\/strong>: n\u00e3o magn\u00e9ticas<\/li>\n<li><strong>Corros\u00e3o<\/strong>: razo\u00e1vel (melhora com revestimentos\/lubrifica\u00e7\u00e3o)<\/li>\n<\/ul>\n<h2>\ud83d\udee0\ufe0f Esferas de Alum\u00ednio 1100 H16 \u2013 ultraleves, altamente resistentes \u00e0 corros\u00e3o<\/h2>\n<p>As Esferas de alum\u00ednio 1100 H16 (Al comercialmente puro, meia-dureza) oferecem m\u00e1xima resist\u00eancia \u00e0 corros\u00e3o com a menor densidade entre os graus comuns de alum\u00ednio. S\u00e3o n\u00e3o magn\u00e9ticas, facilmente sold\u00e1veis e rolam de forma excepcionalmente limpa, sendo ideais para dispositivos de fluidos e soldagem de pinos quando peso e custo s\u00e3o cr\u00edticos.<\/p>\n<h3>\ud83d\udd27 Especifica\u00e7\u00f5es t\u00e9cnicas principais<\/h3>\n<ul>\n<li><strong>Composi\u00e7\u00e3o<\/strong>: Al \u226599.0% com pequenas quantidades de Cu, Mn, Si, Fe, Zn<\/li>\n<li><strong>Temper<\/strong>: H16 (encruado, meia-dureza)<\/li>\n<li><strong>Densidade<\/strong>: ~2.71 g\/cm\u00b3<\/li>\n<li><strong>El\u00e9trico<\/strong>: condutividade muito alta; <strong>Magn\u00e9tico<\/strong>: n\u00e3o magn\u00e9ticas<\/li>\n<li><strong>Corros\u00e3o<\/strong>: excelente (\u00e1gua doce, muitos ambientes &amp; qu\u00edmicos leves)<\/li>\n<\/ul>\n<h3>\u2705 Vantagens<\/h3>\n<ul>\n<li><strong>Menor peso<\/strong>: in\u00e9rcia &amp; ru\u00eddo m\u00ednimos<\/li>\n<li><strong>Excelente resist\u00eancia \u00e0 corros\u00e3o<\/strong><\/li>\n<li><strong>Sold\u00e1veis\/sem fa\u00edscas<\/strong><\/li>\n<li><strong>Custo-benef\u00edcio<\/strong>: econ\u00f4micas para altos volumes<\/li>\n<li><strong>Leveza<\/strong>: in\u00e9rcia e ru\u00eddo reduzidos<\/li>\n<li><strong>Resist\u00eancia\/peso<\/strong>: melhor que alum\u00ednio puro<\/li>\n<li><strong>Sem fa\u00edscas &amp; n\u00e3o magn\u00e9ticas<\/strong><\/li>\n<li><strong>Boa condutividade<\/strong>: adequadas a fun\u00e7\u00f5es el\u00e9tricas\/t\u00e9rmicas<\/li>\n<\/ul>\n<h3>\ud83d\udd04 Aplica\u00e7\u00f5es das Esferas de alum\u00ednio<\/h3>\n<ul>\n<li><strong>Soldagem de pinos<\/strong>: fixadores para automotivo\/ constru\u00e7\u00e3o<\/li>\n<li><strong>V\u00e1lvulas &amp; dosagem<\/strong>: Esferas de reten\u00e7\u00e3o em meios n\u00e3o agressivos<\/li>\n<li><strong>Indicadores de fluxo &amp; instrumentos<\/strong>: movimento limpo e de baixo atrito<\/li>\n<li><strong>Instrumenta\u00e7\u00e3o &amp; mecanismos<\/strong>: elementos rolantes de baixa massa<\/li>\n<li><strong>V\u00e1lvulas, atomizadores &amp; dosagem<\/strong>: meios neutros a levemente corrosivos<\/li>\n<li><strong>Aeroespacial\/automotivo<\/strong>: bielas e dispositivos leves<\/li>\n<\/ul>\n<h3>\ud83d\udce6 Graus &amp; tamanhos dispon\u00edveis<\/h3>\n<ul>\n<li><a href=\"https:\/\/www.redhillballs.com\/company\/precision-grades\/\"><strong>Graus<\/strong>: ISO 3290, DIN 5401, AFBMA (toler\u00e2ncias equivalentes)<\/a><\/li>\n<li><strong>Faixa de di\u00e2metros<\/strong>: tamanhos padr\u00e3o em imperial e m\u00e9trico; tamanhos fora de padr\u00e3o\/sob medida mediante solicita\u00e7\u00e3o<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f Esferas de Alum\u00ednio 2017-T4 \u2013 leves, condutoras, alta rela\u00e7\u00e3o resist\u00eancia\/peso As Esferas de alum\u00ednio 2017-T4 oferecem baixa massa com desempenho mec\u00e2nico robusto e excelente condutividade el\u00e9trica\/t\u00e9rmica. Feitas de uma liga de alum\u00ednio com cobre envelhecida para a condi\u00e7\u00e3o T4, equilibram resist\u00eancia, usinabilidade e resist\u00eancia \u00e0 corros\u00e3o razo\u00e1vel\u2014ideais onde s\u00e3o necess\u00e1rios elementos rolantes ou de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8680,"parent":2937,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2939","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.8 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Esferas de alum\u00ednio \u2013 leveza e resist\u00eancia<\/title>\n<meta name=\"description\" content=\"Esferas de alum\u00ednio s\u00e3o leves, resistentes \u00e0 corros\u00e3o e vers\u00e1teis, ideais para aplica\u00e7\u00f5es industriais, t\u00e9cnicas e de engenharia\" \/>\n<meta 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