{"id":17466,"date":"2025-10-24T08:16:38","date_gmt":"2025-10-24T15:16:38","guid":{"rendered":"https:\/\/www.alkegen.com\/?page_id=17466"},"modified":"2025-10-24T08:16:39","modified_gmt":"2025-10-24T15:16:39","slug":"control-pins-and-spouts","status":"publish","type":"page","link":"https:\/\/www.alkegen.com\/pt\/rex-materials\/control-pins-and-spouts\/","title":{"rendered":"Pins de controle e tubos"},"content":{"rendered":"<div id=\"\" class=\"hero text-left default\">\n    <div class=\"container\">\n        <div class=\"column\">\n            \n            \n                        <h2 class=\"hero__title\">Pins de controle e tubos<\/h2>\n            \n                        <div class=\"hero__body\"><p>O FUSiO2N\u2122 SP da Rex Materials \u00e9 o material ideal para pinos e bicos de controle para opera\u00e7\u00f5es de fundi\u00e7\u00e3o de lingotes. Sua composi\u00e7\u00e3o fina e sinterizada de s\u00edlica fusa de alta pureza proporciona propriedades de desgaste excepcionais e excelente resist\u00eancia a choques t\u00e9rmicos. As propriedades especiais de n\u00e3o-molhamento, al\u00e9m de um revestimento industrial de BN, impedem o atrito e a corros\u00e3o do metal com o alum\u00ednio e outros metais fundidos.<\/p>\n<p>A massa t\u00e9rmica e a condutividade mais baixas minimizam a possibilidade de congelamentos durante o arranque ou em baixas taxas de fluxo de metal. O nosso processo especial FUSiO2N SP permite oferecer este desempenho excepcional a um pre\u00e7o muito razo\u00e1vel.<\/p>\n<p>&nbsp;<\/p>\n<table border=\"0\" width=\"98%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td width=\"50%\">\n<p class=\"contentbar\">Caracter\u00edsticas:<\/p>\n<\/td>\n<td width=\"50%\">\n<p class=\"contentbar\">Benef\u00edcios:<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"top\">\n<td width=\"50%\">\n<ul>\n<li>Baixo coeficiente de expans\u00e3o t\u00e9rmica<\/li>\n<\/ul>\n<\/td>\n<td width=\"50%\">\n<ul>\n<li>Excelente resist\u00eancia ao choque t\u00e9rmico e estabilidade dimensional<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"top\">\n<td colspan=\"2\" bgcolor=\"#cc6600\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.rexmaterials.com\/activek_images\/dot_clear.gif\" width=\"1\" height=\"1\" \/><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td width=\"50%\">\n<ul>\n<li>Baixa massa t\u00e9rmica e condutividade<\/li>\n<\/ul>\n<\/td>\n<td width=\"50%\">\n<ul>\n<li>Isolamento t\u00e9rmico, minimiza a perda de temperatura<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"top\">\n<td colspan=\"2\" bgcolor=\"#cc6600\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.rexmaterials.com\/activek_images\/dot_clear.gif\" width=\"1\" height=\"1\" \/><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td width=\"50%\">\n<ul>\n<li>Inertid\u00e3o qu\u00edmica<\/li>\n<\/ul>\n<\/td>\n<td width=\"50%\">\n<ul>\n<li>Alta durabilidade e resist\u00eancia \u00e0 corros\u00e3o<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"top\">\n<td colspan=\"2\" bgcolor=\"#cc6600\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.rexmaterials.com\/activek_images\/dot_clear.gif\" width=\"1\" height=\"1\" \/><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td width=\"50%\">\n<ul>\n<li>Alta dureza<\/li>\n<\/ul>\n<\/td>\n<td width=\"50%\">\n<ul>\n<li>Alta vida \u00fatil e resist\u00eancia ao desgaste<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"top\">\n<td colspan=\"2\" bgcolor=\"#cc6600\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.rexmaterials.com\/activek_images\/dot_clear.gif\" width=\"1\" height=\"1\" \/><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td>\n<ul>\n<li>Tecnologia de Casta \u00danica<\/li>\n<\/ul>\n<\/td>\n<td>\n<ul>\n<li>Economicamente Vi\u00e1vel, Capacidade de Formas Complexas<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr valign=\"top\">\n<td colspan=\"2\" bgcolor=\"#cc6600\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.rexmaterials.com\/activek_images\/dot_clear.gif\" width=\"1\" height=\"1\" \/><\/td>\n<\/tr>\n<tr valign=\"top\">\n<td width=\"50%\">\n<ul>\n<li>Estrutura de gr\u00e3os finos<\/li>\n<\/ul>\n<\/td>\n<td width=\"50%\">\n<ul>\n<li>Alta resist\u00eancia<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<table cellpadding=\"0\">\n<tbody>\n<tr>\n<td colspan=\"5\">Propriedades f\u00edsicas<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>SS<\/td>\n<td>SL<\/td>\n<td>SP<\/td>\n<td>Espuma F50<\/td>\n<\/tr>\n<tr>\n<td>Densidade volum\u00e9trica, lbs.\/ft\u00b3 (kg\/m\u00b3)<\/td>\n<td>106 (1700)<\/td>\n<td>107 (1715)<\/td>\n<td>110 (1760)<\/td>\n<td>50 (800)<\/td>\n<\/tr>\n<tr>\n<td>Modo de ruptura, psi (MPa), em:<\/td>\n<td>1500 (10)<\/td>\n<td class=\"\">1000 (7)<\/td>\n<td>1900 (13)<\/td>\n<td>400 (3)<\/td>\n<\/tr>\n<tr>\n<td>For\u00e7a de fratura sob frio, psi (MPa)<\/td>\n<td>5000 (34)<\/td>\n<td class=\"\">4000 (28)<\/td>\n<td>6000 (40)<\/td>\n<td>1000 (7)<\/td>\n<\/tr>\n<tr>\n<td>Porosidade aparente, %<\/td>\n<td>25<\/td>\n<td class=\"\">25<\/td>\n<td>22<\/td>\n<td>65<\/td>\n<\/tr>\n<tr>\n<td>Expans\u00e3o t\u00e9rmica, x10-6\/\u00baF (x10-6\u00baC)<\/td>\n<td>0.4 (0.7)<\/td>\n<td class=\"\">0.4 (0.7)<\/td>\n<td>0.4 (0.7)<\/td>\n<td>0.4 (0.7)<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">Condu\u00e7\u00e3o t\u00e9rmica, BTU-in\/Hr-ft\u00b2-\u00baF (W\/m-k) a:<\/td>\n<\/tr>\n<tr>\n<td>500\u00b0F (260\u00b0C)<\/td>\n<td>4.9 (0.71)<\/td>\n<td class=\"\">4.9 (0.71)<\/td>\n<td>5.1 (0.74)<\/td>\n<td>1.0 (0.14)<\/td>\n<\/tr>\n<tr>\n<td>1000\u00b0F (538\u00baC)<\/td>\n<td>5.8 (0.84)<\/td>\n<td class=\"\">5.8 (0.84)<\/td>\n<td>6.1 (0.88)<\/td>\n<td>1.4 (0.20)<\/td>\n<\/tr>\n<tr>\n<td>1500\u00baF (816\u00baC)<\/td>\n<td>6.7 (0.97)<\/td>\n<td class=\"\">6.7 (0.97)<\/td>\n<td>7.0 (1.0)<\/td>\n<td>1.7 (0.24)<\/td>\n<\/tr>\n<tr>\n<td>2000\u00baF (1093\u00baC)<\/td>\n<td>7.3 (1.05)<\/td>\n<td class=\"\">\u2013<\/td>\n<td>\u2013<\/td>\n<td>2.8 (0.40)<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\">Calor espec\u00edfico, BTU\/lb-\u00baF<\/td>\n<td colspan=\"1\">0.17 (710)<\/td>\n<td class=\"\">0.17 (710)<\/td>\n<td colspan=\"1\">0.17 (710)<\/td>\n<td colspan=\"1\">0.17 (710)<\/td>\n<\/tr>\n<tr>\n<td class=\"\">Temperatura m\u00e1xima de uso, \u00baF (\u00baC)<\/td>\n<td class=\"\">2000 (1090)<\/td>\n<td class=\"\">1600 (870)<\/td>\n<td class=\"\">1600 (870)<\/td>\n<td class=\"\">2000 (1090)<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">\u00a0An\u00e1lise Qu\u00edmica, %<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\"><\/td>\n<td colspan=\"1\">SS<\/td>\n<td class=\"\">SL<\/td>\n<td colspan=\"1\">SP<\/td>\n<td colspan=\"1\">Espuma F50<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\">SiO2<\/td>\n<td colspan=\"1\">98<\/td>\n<td class=\"\">94<\/td>\n<td colspan=\"1\">95<\/td>\n<td colspan=\"1\">98<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\">Al2O3<\/td>\n<td colspan=\"1\">0.4<\/td>\n<td class=\"\">1.4<\/td>\n<td colspan=\"1\">2.0<\/td>\n<td colspan=\"1\">0.4<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\">Fe2O3<\/td>\n<td colspan=\"1\">0.1<\/td>\n<td class=\"\">0.1<\/td>\n<td colspan=\"1\">0.1<\/td>\n<td colspan=\"1\">0.1<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\">CaO<\/td>\n<td colspan=\"1\">1.4<\/td>\n<td class=\"\">1<\/td>\n<td colspan=\"1\">0.7<\/td>\n<td colspan=\"1\">1.4<\/td>\n<\/tr>\n<tr>\n<td colspan=\"1\">\u00c1lcalis<\/td>\n<td colspan=\"1\">trace<\/td>\n<td class=\"\">\u00a0trace<\/td>\n<td colspan=\"1\">trace<\/td>\n<td colspan=\"1\">trace<\/td>\n<\/tr>\n<tr>\n<td>Outro<\/td>\n<td>trace<\/td>\n<td class=\"\">~2<\/td>\n<td>~2<\/td>\n<td>trace<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><a href=\"https:\/\/www.rexmaterials.com\/activek\/FUSiO2N-c38\" target=\"_blank\" rel=\"noopener\">FUSiO2N\u2122<\/a>\u00a0Representa uma fam\u00edlia de materiais de s\u00edlica fundida de alta pureza adaptados para alcan\u00e7ar as propriedades ideais necess\u00e1rias para aplica\u00e7\u00f5es com metal fundido. Os produtos FUSiO2N s\u00e3o fundidos com precis\u00e3o em uma ampla variedade de tamanhos e formas, desde os menores e mais complexos at\u00e9 os extremamente grandes, incluindo formas com caracter\u00edsticas internas complexas \u2013 geralmente sem a necessidade de maquinagem costosa.<\/p>\n<p>O FUSiO2N \u00e9 fabricado a partir de s\u00edlica fundida que foi sinterizada a uma alta temperatura. Hoje em dia \u00e9 utilizado em muitas aplica\u00e7\u00f5es n\u00e3o ferrosas, incluindo, entre outras, torneiras, revestimentos de valas, bacias de filtro, blocos de passagem de fuma\u00e7a, bacias de derramamento, bicos, pinos de controle, bicos de inje\u00e7\u00e3o e colheres. A capacidade da Rex Materials de fornecer formas de qualidade a um custo eficaz permite que voc\u00ea use pe\u00e7as do FUSiO2N em aplica\u00e7\u00f5es onde normalmente os produtos feitos de s\u00edlica fundida teriam sido muito caros. Nosso processo especial FUSiO2N SP permite oferecer esse desempenho excepcional a um pre\u00e7o muito razo\u00e1vel.<\/p>\n<p>Os pinos e os bicos FUSiO2N SP v\u00eam em uma grande variedade de formatos e tamanhos. S\u00e3o oferecidos diferentes designs para proporcionar a melhor capacidade de veda\u00e7\u00e3o para sua aplica\u00e7\u00e3o espec\u00edfica.<\/p>\n<\/div>\n            \n                                <\/div>\n\n        <div class=\"column\">\n                        <figure class=\"hero__image\">\n                <img loading=\"lazy\" decoding=\"async\" width=\"448\" height=\"340\" src=\"https:\/\/www.alkegen.com\/wp-content\/uploads\/2025\/03\/Ferrous-.png\" class=\"\" alt=\"Ferrous\" srcset=\"https:\/\/www.alkegen.com\/wp-content\/uploads\/2025\/03\/Ferrous-.png 448w, https:\/\/www.alkegen.com\/wp-content\/uploads\/2025\/03\/Ferrous--300x228.png 300w\" sizes=\"auto, (max-width: 448px) 100vw, 448px\" \/>            <\/figure>\n                                <\/div>\n    <\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":15646,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["type-page"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alkegen.com\/pt\/wp-json\/wp\/v2\/pages\/17466","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alkegen.com\/pt\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.alkegen.com\/pt\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.alkegen.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alkegen.com\/pt\/wp-json\/wp\/v2\/comments?post=17466"}],"version-history":[{"count":1,"href":"https:\/\/www.alkegen.com\/pt\/wp-json\/wp\/v2\/pages\/17466\/revisions"}],"predecessor-version":[{"id":17467,"href":"https:\/\/www.alkegen.com\/pt\/wp-json\/wp\/v2\/pages\/17466\/revisions\/17467"}],"up":[{"embeddable":true,"href":"https:\/\/www.alkegen.com\/pt\/wp-json\/wp\/v2\/pages\/15646"}],"wp:attachment":[{"href":"https:\/\/www.alkegen.com\/pt\/wp-json\/wp\/v2\/media?parent=17466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}