{"id":4458,"date":"2026-09-11T06:21:31","date_gmt":"2026-09-11T06:21:31","guid":{"rendered":"https:\/\/hontitan.com\/?post_type=product&#038;p=4458"},"modified":"2026-09-19T06:21:09","modified_gmt":"2026-09-19T06:21:09","slug":"grade-5-ti-6al-4v-titanium-flat-bar","status":"publish","type":"product","link":"https:\/\/hontitan.com\/pt\/product\/grade-5-ti-6al-4v-titanium-flat-bar\/","title":{"rendered":"Grau 5 Barra de Tit\u00e2nio Plana (Ti-6Al-4V)"},"content":{"rendered":"<p data-v-md-line=\"1\">Ti-6Al-4V (UNS R56400, DIN 3.7165) \u00e9 a liga de tit\u00e2nio mais amplamente especificada, representando aproximadamente 50% do consumo global de tit\u00e2nio. A barra plana Grau 5 na condi\u00e7\u00e3o de recozimento oferece um resist\u00eancia \u00e0 tra\u00e7\u00e3o m\u00ednimo de 130 ksi (895 MPa) e uma rela\u00e7\u00e3o resist\u00eancia-peso aproximadamente 3\u00d7 superior \u00e0 do a\u00e7o estrutural, tornando-se o material de refer\u00eancia para suportes estruturais aeroespaciais, blanks para implantes m\u00e9dicos, equipamentos para processamento qu\u00edmico e componentes estruturais marinhos.<\/p>\n<p data-v-md-line=\"3\">O material \u00e9 fornecido conforme\u00a0<strong>ASTM B348<\/strong>\u00a0(barras e tarugos) ou\u00a0<strong>AMS 4928<\/strong>\u00a0(barras recozidas e forjados), com Certificado de Ensaio de F\u00e1brica EN 10204 3.1 inclu\u00eddo como padr\u00e3o. As condi\u00e7\u00f5es recozida e solubilizada e envelhecida (STA) est\u00e3o ambas dispon\u00edveis.<\/p>\n<h2 data-v-md-heading=\"quick-specifications\" data-v-md-line=\"5\">Especifica\u00e7\u00f5es r\u00e1pidas<\/h2>\n<p data-v-md-line=\"7\">A barra plana de tit\u00e2nio Grau 5 (Ti-6Al-4V) est\u00e1 em conformidade com os par\u00e2metros da tabela abaixo; todos os valores s\u00e3o m\u00ednimos ou intervalos conforme a norma referenciada, salvo indica\u00e7\u00e3o em contr\u00e1rio.<\/p>\n<table data-v-md-line=\"9\">\n<thead>\n<tr>\n<th>Par\u00e2metro<\/th>\n<th>Valor<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Grau do material<\/strong><\/td>\n<td>Grau 5 \/ Ti-6Al-4V \/ UNS R56400 \/ DIN 3.7165 \/ TC4<\/td>\n<\/tr>\n<tr>\n<td><strong>Normas Prim\u00e1rias<\/strong><\/td>\n<td>ASTM B348 (barra e tarugo); AMS 4928 (recozido); AMS 4965 \/ AMS 4967 (STA)<\/td>\n<\/tr>\n<tr>\n<td><strong>Normas adicionais<\/strong><\/td>\n<td>ASTM F1472 (m\u00e9dico); ISO 5832-3 (implante cir\u00fargico); MIL-T-9047 \/ AMS-T-9047<\/td>\n<\/tr>\n<tr>\n<td><strong>Estado<\/strong><\/td>\n<td>Recozido (padr\u00e3o); STA dispon\u00edvel mediante solicita\u00e7\u00e3o<\/td>\n<\/tr>\n<tr>\n<td><strong>Faixa de Espessura<\/strong><\/td>\n<td>3 mm \u2013 80 mm (0,118\u2033 \u2013 3,15\u2033)<\/td>\n<\/tr>\n<tr>\n<td><strong>Faixa de Largura<\/strong><\/td>\n<td>20 mm \u2013 200 mm (0,787\u2033 \u2013 7,87\u2033)<\/td>\n<\/tr>\n<tr>\n<td><strong>Comprimento<\/strong><\/td>\n<td>At\u00e9 6 000 mm; dispon\u00edvel em comprimentos \u00e0 medida<\/td>\n<\/tr>\n<tr>\n<td><strong>Toler\u00e2ncia<\/strong><\/td>\n<td>Conforme tabela ASTM B348 10 (lamina\u00e7\u00e3o a quente); toler\u00e2ncias mais rigorosas de acabamento a frio dispon\u00edveis<\/td>\n<\/tr>\n<tr>\n<td><strong>Acabamento da superf\u00edcie<\/strong><\/td>\n<td>Decapado (padr\u00e3o); polido, anodizado, jateado a pedido<\/td>\n<\/tr>\n<tr>\n<td><strong>QUANTIDADE M\u00c1XIMA DE ENCOMENDA<\/strong><\/td>\n<td>1 pe\u00e7a (estoque padr\u00e3o); corte personalizado aceito<\/td>\n<\/tr>\n<tr>\n<td><strong>Prazo de execu\u00e7\u00e3o<\/strong><\/td>\n<td>3\u20135 dias \u00fateis (tamanhos em estoque); 7\u201320 dias \u00fateis (personalizado)<\/td>\n<\/tr>\n<tr>\n<td><strong>Certificado de ensaio de f\u00e1brica<\/strong><\/td>\n<td>EN 10204 3.1 inclu\u00edda como norma<\/td>\n<\/tr>\n<tr>\n<td><strong>Sistema de Qualidade<\/strong><\/td>\n<td>Cadeia de suprimentos ISO 9001 \/ AS9100<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 data-v-md-heading=\"chemical-composition\" data-v-md-line=\"25\">Composi\u00e7\u00e3o qu\u00edmica<\/h2>\n<p data-v-md-line=\"27\">Composi\u00e7\u00e3o qu\u00edmica do Grau 5 (Ti-6Al-4V) conforme\u00a0<strong>ASTM B348<\/strong>\u00a0e\u00a0<strong>AMS 4928<\/strong>\u00a0(limites mais rigorosos de AMS 4928 indicados onde diferem):<\/p>\n<table data-v-md-line=\"29\">\n<thead>\n<tr>\n<th>Elemento<\/th>\n<th>S\u00edmbolo<\/th>\n<th>M\u00ednimo (%)<\/th>\n<th>M\u00e1ximo (%)<\/th>\n<th>M\u00e1x. AMS 4928<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Alum\u00ednio<\/td>\n<td>Al<\/td>\n<td>5.50<\/td>\n<td>6.75<\/td>\n<td>6.75<\/td>\n<\/tr>\n<tr>\n<td>Van\u00e1dio<\/td>\n<td>V<\/td>\n<td>3.50<\/td>\n<td>4.50<\/td>\n<td>4.50<\/td>\n<\/tr>\n<tr>\n<td>Ferro<\/td>\n<td>Fe<\/td>\n<td>\u2014<\/td>\n<td>0.40<\/td>\n<td>0.30<\/td>\n<\/tr>\n<tr>\n<td>Oxig\u00e9nio<\/td>\n<td>O<\/td>\n<td>\u2014<\/td>\n<td>0.20<\/td>\n<td>0.20<\/td>\n<\/tr>\n<tr>\n<td>Carbono<\/td>\n<td>C<\/td>\n<td>\u2014<\/td>\n<td>0.08<\/td>\n<td>0.08<\/td>\n<\/tr>\n<tr>\n<td>Nitrog\u00e9nio<\/td>\n<td>N<\/td>\n<td>\u2014<\/td>\n<td>0.05<\/td>\n<td>0.05<\/td>\n<\/tr>\n<tr>\n<td>Hidrog\u00e9nio<\/td>\n<td>H<\/td>\n<td>\u2014<\/td>\n<td>0.015<\/td>\n<td>0.0125<\/td>\n<\/tr>\n<tr>\n<td>\u00cdtrio<\/td>\n<td>Y<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<td>0.005<\/td>\n<\/tr>\n<tr>\n<td>Outros, cada<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<td>0.10<\/td>\n<td>0.10<\/td>\n<\/tr>\n<tr>\n<td>Outros, total<\/td>\n<td>\u2014<\/td>\n<td>\u2014<\/td>\n<td>0.40<\/td>\n<td>0.40<\/td>\n<\/tr>\n<tr>\n<td>Tit\u00e2nio<\/td>\n<td>Ti<\/td>\n<td>Bal.<\/td>\n<td>Bal.<\/td>\n<td>Bal.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-v-md-line=\"43\"><strong>Nota:<\/strong>\u00a0O AMS 4928 imp\u00f5e limites mais rigorosos para Fe (m\u00e1x. 0,30% vs. 0,40%) e H (0,0125% vs. 0,015%). Aplica\u00e7\u00f5es aeroespaciais normalmente especificam AMS 4928 por essas raz\u00f5es.<\/p>\n<h2 data-v-md-heading=\"mechanical-properties\" data-v-md-line=\"45\">Propriedades mec\u00e2nicas<\/h2>\n<h3 data-v-md-heading=\"annealed-condition-per-ams-4928\" data-v-md-line=\"47\">Condi\u00e7\u00e3o de Recozimento (conforme AMS 4928)<\/h3>\n<p data-v-md-line=\"49\">As propriedades mec\u00e2nicas variam com o tamanho da se\u00e7\u00e3o transversal devido a gradientes microestruturais ao longo da espessura em se\u00e7\u00f5es maiores.<\/p>\n<table data-v-md-line=\"51\">\n<thead>\n<tr>\n<th>Se\u00e7\u00e3o Transversal (Espessura)<\/th>\n<th>resist\u00eancia \u00e0 tra\u00e7\u00e3o M\u00edn<\/th>\n<th>limite de escoamento (offset de 0,2%) M\u00edn<\/th>\n<th>Alongamento (2\u2033, m\u00edn)<\/th>\n<th>Redu\u00e7\u00e3o de \u00c1rea (m\u00edn)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u2264 2.000 pol. (\u2264 50,8 mm)<\/td>\n<td>135 ksi \/ 931 MPa<\/td>\n<td>125 ksi \/ 862 MPa<\/td>\n<td>10%<\/td>\n<td>25%<\/td>\n<\/tr>\n<tr>\n<td>&gt; 2.000 \u2013 4.000 pol. (50,8\u2013101,6 mm)<\/td>\n<td>130 ksi \/ 896 MPa<\/td>\n<td>120 ksi \/ 827 MPa<\/td>\n<td>10%<\/td>\n<td>25%<\/td>\n<\/tr>\n<tr>\n<td>&gt; 4.000 \u2013 6.000 pol. (101,6\u2013152,4 mm)<\/td>\n<td>130 ksi \/ 896 MPa<\/td>\n<td>120 ksi \/ 827 MPa<\/td>\n<td>10%<\/td>\n<td>20%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 data-v-md-heading=\"solution-treated-and-aged-sta-per-ams-4965-ams-4967\" data-v-md-line=\"57\">Solubilizado e Envelhecido \u2014 STA (conforme AMS 4965 \/ AMS 4967)<\/h3>\n<p data-v-md-line=\"59\">O tratamento de solubiliza\u00e7\u00e3o e envelhecimento eleva significativamente a resist\u00eancia com uma modesta redu\u00e7\u00e3o na ductilidade. Propriedades t\u00edpicas de STA para se\u00e7\u00f5es de barra plana \u2264 2\u2033:<\/p>\n<table data-v-md-line=\"61\">\n<thead>\n<tr>\n<th>Im\u00f3veis<\/th>\n<th>Faixa T\u00edpica de STA<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Resist\u00eancia \u00e0 tra\u00e7\u00e3o<\/td>\n<td>140\u2013170 ksi (965\u20131.172 MPa)<\/td>\n<\/tr>\n<tr>\n<td>Resist\u00eancia ao escoamento (0,2% offset)<\/td>\n<td>130\u2013150 ksi (896\u20131.034 MPa)<\/td>\n<\/tr>\n<tr>\n<td>Alongamento<\/td>\n<td>m\u00edn de 8\u201310%<\/td>\n<\/tr>\n<tr>\n<td>Redu\u00e7\u00e3o da \u00e1rea<\/td>\n<td>m\u00edn de 20\u201325%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-v-md-line=\"68\"><em>A condi\u00e7\u00e3o STA \u00e9 trat\u00e1vel termicamente; a resist\u00eancia m\u00e1xima atingida depende da espessura da se\u00e7\u00e3o e do ciclo de tratamento t\u00e9rmico. Entre em contato com a equipe t\u00e9cnica para especificar a condi\u00e7\u00e3o requerida.<\/em><\/p>\n<h3 data-v-md-heading=\"additional-physical-properties\" data-v-md-line=\"70\">Propriedades F\u00edsicas Adicionais<\/h3>\n<table data-v-md-line=\"72\">\n<thead>\n<tr>\n<th>Im\u00f3veis<\/th>\n<th>Valor<\/th>\n<th>Refer\u00eancia<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Densidade<\/td>\n<td>4,43 g\/cm\u00b3 (0,160 lb\/in\u00b3)<\/td>\n<td>ASTM B311<\/td>\n<\/tr>\n<tr>\n<td>M\u00f3dulo de elasticidade<\/td>\n<td>114 GPa (16.500 ksi)<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>Coeficiente de Poisson<\/td>\n<td>0.31<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>Condutividade t\u00e9rmica<\/td>\n<td>6,7\u20137,2 W\/(m\u00b7K) a 20\u00b0C<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>Coeficiente de expans\u00e3o t\u00e9rmica<\/td>\n<td>8,8 \u00b5m\/(m\u00b7\u00b0C) (0\u2013100\u00b0C)<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>Gama de fus\u00e3o<\/td>\n<td>1.604\u20131.660\u00b0C (2.920\u20133.020\u00b0F)<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>Capacidade t\u00e9rmica espec\u00edfica<\/td>\n<td>526 J\/(kg\u00b7K)<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 data-v-md-heading=\"technical-overview\" data-v-md-line=\"82\">Vis\u00e3o Geral T\u00e9cnica<\/h2>\n<p data-v-md-line=\"84\">Grau 5 tit\u00e2nio (Ti-6Al-4V) \u00e9 uma liga alfa-beta (\u03b1+\u03b2) na qual o alum\u00ednio estabiliza a fase alfa e o van\u00e1dio estabiliza a fase beta, produzindo uma microestrutura de dupla fase que equilibra resist\u00eancia, ductilidade e estabilidade t\u00e9rmica at\u00e9 315\u00b0C (600\u00b0F).<\/p>\n<p data-v-md-line=\"86\">A resist\u00eancia \u00e0 corros\u00e3o da liga deriva de um filme passivo de \u00f3xido de tit\u00e2nio (TiO\u2082) de forma\u00e7\u00e3o espont\u00e2nea e autocicatrizante. Esse filme oferece resist\u00eancia excepcional \u00e0 \u00e1gua do mar, \u00e1cidos oxidantes, meios clorados (aquosos) e ambientes alcalinos. A degrada\u00e7\u00e3o limita-se a \u00e1cidos redutores em alta concentra\u00e7\u00e3o (HCl concentrado, H\u2082SO\u2084 acima de concentra\u00e7\u00f5es limite) e cloro gasoso anidro. O risco de fratura por corros\u00e3o sob tens\u00e3o (SCC) \u00e9 baixo em servi\u00e7o aquoso; a fragiliza\u00e7\u00e3o por hidrog\u00eanio exige que o teor de hidrog\u00eanio seja mantido \u2264 150 ppm durante o processamento e o tratamento t\u00e9rmico.<\/p>\n<p data-v-md-line=\"88\">A barra plana \u00e9 produzida principalmente por lamina\u00e7\u00e3o a quente ou forjamento a partir de lingote refundido a arco a v\u00e1cuo (VAR) ou fundido em forno de feixe de el\u00e9trons (EB). A barra plana laminada a quente apresenta excelente plasticidade e \u00e9 adequada para conforma\u00e7\u00e3o, estampagem ou soldagem subsequentes. A barra plana acabada a frio alcan\u00e7a toler\u00e2ncias dimensionais mais estreitas (\u00b10,05\u20130,10 mm de espessura) e melhor acabamento superficial para aplica\u00e7\u00f5es de usinagem de precis\u00e3o. A liga \u00e9 sold\u00e1vel por GTAW (TIG) e soldagem por feixe de el\u00e9trons com prote\u00e7\u00e3o por g\u00e1s inerte; o al\u00edvio de tens\u00f5es p\u00f3s-soldagem \u00e9 recomendado. A usinabilidade \u00e9 compar\u00e1vel ao a\u00e7o inoxid\u00e1vel austen\u00edtico 304\/316 \u2014 s\u00e3o necess\u00e1rias velocidades de corte baixas, avan\u00e7os elevados e fluido de corte n\u00e3o clorado para controlar o encruamento e o desgaste da ferramenta.<\/p>\n<p data-v-md-line=\"90\"><strong>Nota sobre piroforicidade:<\/strong>\u00a0Finos, cavacos e poeira de retifica\u00e7\u00e3o de tit\u00e2nio podem se inflamar acima de 480\u00b0F (250\u00b0C). Os res\u00edduos de usinagem devem ser coletados em recipientes met\u00e1licos fechados; agentes extintores Classe D s\u00e3o obrigat\u00f3rios.<\/p>\n<h2 data-v-md-heading=\"dimensional-tolerances\" data-v-md-line=\"92\">Toler\u00e2ncias Dimensionais<\/h2>\n<h3 data-v-md-heading=\"hot-rolled-flat-bar-per-astm-b348-table-10\" data-v-md-line=\"94\">Barra Plana Laminada a Quente (conforme ASTM B348 Tabela 10)<\/h3>\n<table data-v-md-line=\"96\">\n<thead>\n<tr>\n<th>Largura (pol.)<\/th>\n<th>Largura (mm)<\/th>\n<th>Toler\u00e2ncia de espessura \u2264 0,500\u2033<\/th>\n<th>Toler\u00e2ncia de espessura &gt; 0,500\u20131,000\u2033<\/th>\n<th>Espessura Toler\u00e2ncia &gt; 1.000\u20132.000\u2033<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u2264 1.000<\/td>\n<td>\u2264 25.4<\/td>\n<td>\u00b10,008\u2033 (\u00b10,20 mm)<\/td>\n<td>\u00b10,010\u2033 (\u00b10,25 mm)<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>&gt; 1.000 \u2013 2.000<\/td>\n<td>25.4 \u2013 50.8<\/td>\n<td>\u00b10,012\u2033 (\u00b10,30 mm)<\/td>\n<td>\u00b10,015\u2033 (\u00b10,38 mm)<\/td>\n<td>\u00b10,031\u2033 (\u00b10,79 mm)<\/td>\n<\/tr>\n<tr>\n<td>&gt; 2.000 \u2013 4.000<\/td>\n<td>50.8 \u2013 101.6<\/td>\n<td>\u00b10,015\u2033 (\u00b10,38 mm)<\/td>\n<td>\u00b10,020\u2033 (\u00b10,51 mm)<\/td>\n<td>\u00b10,031\u2033 (\u00b10,79 mm)<\/td>\n<\/tr>\n<tr>\n<td>&gt; 4.000 \u2013 6.000<\/td>\n<td>101.6 \u2013 152.4<\/td>\n<td>\u00b10,015\u2033 (\u00b10,38 mm)<\/td>\n<td>\u00b10,020\u2033 (\u00b10,51 mm)<\/td>\n<td>\u00b10,031\u2033 (\u00b10,79 mm)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 data-v-md-heading=\"cold-finished-flat-bar-per-astm-b348\" data-v-md-line=\"103\">Barra Chata Acabada a Frio (conforme ASTM B348)<\/h3>\n<table data-v-md-line=\"105\">\n<thead>\n<tr>\n<th>Faixa de Largura (pol.)<\/th>\n<th>Faixa de Largura (mm)<\/th>\n<th>Espessura Toler\u00e2ncia<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>&gt; 0,375 \u2013 1,000<\/td>\n<td>9.5 \u2013 25.4<\/td>\n<td>\u00b10,002\u2033 (\u00b10,05 mm)<\/td>\n<\/tr>\n<tr>\n<td>&gt; 1.000 \u2013 2.000<\/td>\n<td>25.4 \u2013 50.8<\/td>\n<td>\u00b10,003\u2033 (\u00b10,08 mm)<\/td>\n<\/tr>\n<tr>\n<td>&gt; 2.000 \u2013 3.000<\/td>\n<td>50.8 \u2013 76.2<\/td>\n<td>\u00b10,004\u2033 (\u00b10,10 mm)<\/td>\n<\/tr>\n<tr>\n<td>&gt; 3.000 \u2013 4.500<\/td>\n<td>76.2 \u2013 114.3<\/td>\n<td>\u00b10,005\u2033 (\u00b10,13 mm)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 data-v-md-heading=\"available-product-forms\" data-v-md-line=\"112\">Formas de Produto Dispon\u00edveis<\/h2>\n<p data-v-md-line=\"114\">Grau 5 (Ti-6Al-4V) barra chata est\u00e1 dispon\u00edvel em quatro rotas de produ\u00e7\u00e3o, cada uma otimizada para diferentes requisitos a jusante:<\/p>\n<table data-v-md-line=\"116\">\n<thead>\n<tr>\n<th>Formul\u00e1rio<\/th>\n<th>Espessura T\u00edpica<\/th>\n<th>Largura T\u00edpica<\/th>\n<th>Principal Vantagem<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Barra Chata Laminada a Quente<\/strong><\/td>\n<td>6,35\u201350 mm<\/td>\n<td>25\u2013150 mm<\/td>\n<td>Formabilidade pl\u00e1stica; adequada para soldagem, estampagem e conforma\u00e7\u00e3o a quente<\/td>\n<\/tr>\n<tr>\n<td><strong>Barra Chata Forjada<\/strong><\/td>\n<td>10\u201380 mm<\/td>\n<td>30\u2013200 mm<\/td>\n<td>Microestrutura densa de gr\u00e3o fino; resist\u00eancia \u00e0 tra\u00e7\u00e3o 950\u20131.000 MPa t\u00edpico; estruturas cr\u00edticas para aeroespacial<\/td>\n<\/tr>\n<tr>\n<td><strong>Barra Plana Extrudada<\/strong><\/td>\n<td>5\u201325 mm<\/td>\n<td>At\u00e9 100 mm<\/td>\n<td>Se\u00e7\u00e3o transversal consistente; comprimentos de at\u00e9 6.000 mm; aplica\u00e7\u00f5es de perfil OEM<\/td>\n<\/tr>\n<tr>\n<td><strong>Barra Plana Acabada a Frio<\/strong><\/td>\n<td>2,0\u201325 mm<\/td>\n<td>20\u2013100 mm<\/td>\n<td>Toler\u00e2ncia apertada (\u00b10,05\u20130,10 mm); superf\u00edcie lisa para usinagem CNC de precis\u00e3o, componentes m\u00e9dicos<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 data-v-md-heading=\"corrosion-resistance\" data-v-md-line=\"123\">Resist\u00eancia \u00e0 corros\u00e3o<\/h2>\n<p data-v-md-line=\"125\">A barra plana de Ti-6Al-4V mant\u00e9m taxas de corros\u00e3o pr\u00f3ximas de zero em \u00e1gua do mar e em muitos meios industriais devido \u00e0 estabilidade de seu filme de \u00f3xido passivo.<\/p>\n<h3 data-v-md-heading=\"corrosion-resistance-by-media\" data-v-md-line=\"127\">resist\u00eancia \u00e0 corros\u00e3o por Meio<\/h3>\n<table data-v-md-line=\"129\">\n<thead>\n<tr>\n<th>Meio Corrosivo<\/th>\n<th>Grau<\/th>\n<th>Notas<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u00c1gua do mar<\/td>\n<td>Excelente<\/td>\n<td>Taxa de corros\u00e3o \u2248 nula \u00e0 temperatura ambiente<\/td>\n<\/tr>\n<tr>\n<td>\u00c1cido ac\u00e9tico<\/td>\n<td>Excelente<\/td>\n<td>Est\u00e1vel em ampla faixa de concentra\u00e7\u00e3o<\/td>\n<\/tr>\n<tr>\n<td>N\u00e9voa salina de NaCl<\/td>\n<td>Excelente<\/td>\n<td>Filme passivo est\u00e1vel<\/td>\n<\/tr>\n<tr>\n<td>Umidade \/ condensa\u00e7\u00e3o<\/td>\n<td>Excelente<\/td>\n<td>Nenhuma corros\u00e3o por pite observada<\/td>\n<\/tr>\n<tr>\n<td>Sulfuric acid (dilute, &lt;5%)<\/td>\n<td>Moderado<\/td>\n<td>Dependente da concentra\u00e7\u00e3o e da temperatura<\/td>\n<\/tr>\n<tr>\n<td>Hidr\u00f3xido de s\u00f3dio (25%)<\/td>\n<td>Moderado<\/td>\n<td>Taxa \u2248 0,046\u20130,051 mm\/ano a 65,6\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>\u00c1cido clor\u00eddrico (2%)<\/td>\n<td>Baixa<\/td>\n<td>0,03 mm\/ano a 37,8\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>G\u00e1s cloro seco<\/td>\n<td>Inaceit\u00e1vel<\/td>\n<td>Quebra do filme passivo \u2014 evitar<\/td>\n<\/tr>\n<tr>\n<td>HF concentrado<\/td>\n<td>Inaceit\u00e1vel<\/td>\n<td>Dissolu\u00e7\u00e3o r\u00e1pida \u2014 evitar<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 data-v-md-heading=\"applications\" data-v-md-line=\"141\">Aplica\u00e7\u00f5es<\/h2>\n<p data-v-md-line=\"143\">Grau 5 titanium flat bar is specified across six primary industries where the combination of high specific strength, resist\u00eancia \u00e0 corros\u00e3o, and bio-compatibility is required:<\/p>\n<ul data-v-md-line=\"145\">\n<li><strong>Estruturas aeroespaciais<\/strong>\u00a0\u2014 Suportes de estrutura de aeronave, longarinas de asa, quadros de fuselagem, conex\u00f5es de anteparo, blanks de fixadores (ASTM B348 \/ AMS 4928; Boeing BMS 7-269 dispon\u00edvel mediante solicita\u00e7\u00e3o)<\/li>\n<li><strong>Dispositivos m\u00e9dicos<\/strong>\u00a0\u2014 Orthopedic implant blanks, spinal instrumentation, prosthetic components (ASTM F1472; ISO 5832-3; BAIXO TEOR INTERSTICIAL Grau 23 available for fatigue-critical implants)<\/li>\n<li><strong>Processamento qu\u00edmico<\/strong>\u00a0\u2014 Defletores de trocadores de calor, revestimentos de vasos de rea\u00e7\u00e3o, componentes de bomba onde a resist\u00eancia a cloretos \u00e9 necess\u00e1ria (ASTM B348)<\/li>\n<li><strong>Marine &amp; Offshore<\/strong>\u00a0\u2014 Hardware estrutural submarino, corpos de bra\u00e7adeiras, fixadores, cascos (desempenho de resist\u00eancia \u00e0 corros\u00e3o em grau de \u00e1gua do mar)<\/li>\n<li><strong>Defense &amp; Space<\/strong>\u00a0\u2014 Componentes de vasos de press\u00e3o, carca\u00e7as de motores de foguete, inv\u00f3lucros de sistemas de guiagem de m\u00edsseis, elementos estruturais de sat\u00e9lites (MIL-T-9047 \/ AMS-T-9047)<\/li>\n<li><strong>Motorsport &amp; High-Performance Engineering<\/strong>\u00a0\u2014 Componentes de suspens\u00e3o, blanks de bielas, estruturas de gaiola de prote\u00e7\u00e3o onde a redu\u00e7\u00e3o de massa \u00e9 o fator principal<\/li>\n<\/ul>\n<h2 data-v-md-heading=\"grade-5-vs-grade-23-ti-6al-4v-eli\" data-v-md-line=\"152\">Grau 5 vs. Grau 23 (Ti-6Al-4V BAIXO TEOR INTERSTICIAL)<\/h2>\n<p data-v-md-line=\"154\">Grau 5 and Grau 23 share the same nominal alloy chemistry (Ti-6Al-4V) but differ in interstitial element limits. Grau 23 (Extra Low Interstitial \u2014 BAIXO TEOR INTERSTICIAL) specifies lower oxygen, nitrogen, and carbon maxima to improve fracture toughness and fatigue performance in cryogenic and medical applications.<\/p>\n<table data-v-md-line=\"156\">\n<thead>\n<tr>\n<th>Im\u00f3veis<\/th>\n<th>Grau 5 (ASTM B348)<\/th>\n<th>Grau 23 BAIXO TEOR INTERSTICIAL (ASTM F136)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Oxygen max<\/td>\n<td>0.20%<\/td>\n<td>0.13%<\/td>\n<\/tr>\n<tr>\n<td>Nitrog\u00eanio m\u00e1x.<\/td>\n<td>0.05%<\/td>\n<td>0.03%<\/td>\n<\/tr>\n<tr>\n<td>Iron max<\/td>\n<td>0.40%<\/td>\n<td>0.25%<\/td>\n<\/tr>\n<tr>\n<td>Resist\u00eancia \u00e0 tra\u00e7\u00e3o min<\/td>\n<td>895 MPa (130 ksi)<\/td>\n<td>860 MPa (125 ksi)<\/td>\n<\/tr>\n<tr>\n<td>Tenacidade \u00e0 fratura<\/td>\n<td>Padr\u00e3o<\/td>\n<td>Superior (menor teor de elementos intersticiais)<\/td>\n<\/tr>\n<tr>\n<td>Uso principal<\/td>\n<td>Aeroespacial, industrial, mar\u00edtimo<\/td>\n<td>Implantes m\u00e9dicos, criog\u00eanico, cr\u00edtico \u00e0 fratura<\/td>\n<\/tr>\n<tr>\n<td>Padr\u00e3o<\/td>\n<td>ASTM B348 \/ AMS 4928<\/td>\n<td>ASTM F136 (surgical implants); ASTM B348 Grau 23 (bar form)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p data-v-md-line=\"166\"><em>Grau 23 BAIXO TEOR INTERSTICIAL flat bar is available; specify ASTM F136 (surgical implant applications) or ASTM B348 Grau 23 (industrial bar form) at time of inquiry.<\/em><\/p>\n<h2 data-v-md-heading=\"quality-assurance-certifications\" data-v-md-line=\"168\">Quality Assurance &amp; Certifications<\/h2>\n<p data-v-md-line=\"170\">All Grau 5 titanium flat bar is tested and documented prior to shipment. Standard inspection package includes:<\/p>\n<ul data-v-md-line=\"172\">\n<li><strong>An\u00e1lise de composi\u00e7\u00e3o qu\u00edmica<\/strong>\u00a0conforme ASTM E1456 \/ ASTM E2371 (ICP-OES), verificando a conformidade com os limites de elementos do ASTM B348 ou AMS 4928<\/li>\n<li><strong>Ensaios de propriedades mec\u00e2nicas<\/strong>\u00a0conforme ASTM E8 (tra\u00e7\u00e3o), ASTM E517 (alongamento), confirmando os requisitos m\u00ednimos de resist\u00eancia \u00e0 tra\u00e7\u00e3o, limite de escoamento e alongamento<\/li>\n<li><strong>Ensaio por ultra-sons (UT)<\/strong>\u00a0conforme AMS 2631 para barra plana de grau aeroespacial, detectando vazios internos, trincas ou inclus\u00f5es<\/li>\n<li><strong>Ensaio por penetrante l\u00edquido (LP)<\/strong>\u00a0conforme ASTM E165 para detec\u00e7\u00e3o de trincas superficiais<\/li>\n<li><strong>Inspe\u00e7\u00e3o dimensional<\/strong>\u00a0com instrumentos calibrados, rastre\u00e1veis aos padr\u00f5es NIST<\/li>\n<li><strong>EN 10204 3.1 Certificado de ensaio de moagem<\/strong>\u00a0emitido com cada envio; inclui n\u00famero de lote, an\u00e1lise qu\u00edmica, resultados de testes mec\u00e2nicos e declara\u00e7\u00e3o de conformidade com normas<\/li>\n<\/ul>\n<p data-v-md-line=\"179\">Sistemas de qualidade: ISO 9001:2015; cadeia de fornecimento de f\u00e1brica AS9100 dispon\u00edvel mediante pedido.<\/p>\n<h2 data-v-md-heading=\"value-added-processing\" data-v-md-line=\"181\">Processamento de Valor Acrescentado<\/h2>\n<p data-v-md-line=\"183\">Os seguintes servi\u00e7os de processamento est\u00e3o dispon\u00edveis antes do envio para reduzir o tempo de espera da maquina\u00e7\u00e3o subsequente:<\/p>\n<ul data-v-md-line=\"185\">\n<li><strong>Corte por serra \/ cisalhamento<\/strong>\u00a0to specified length, toler\u00e2ncia \u00b10.5 mm<\/li>\n<li><strong>Corte por jato de \u00e1gua<\/strong>\u00a0para perfis complexos e aplica\u00e7\u00f5es sens\u00edveis ao calor<\/li>\n<li><strong>Fresagem CNC \/ fresagem frontal<\/strong>\u00a0para espessura pr\u00f3xima da final<\/li>\n<li><strong>Perfura\u00e7\u00e3o e roscagem<\/strong>\u00a0(M3\u2013M20, furos passantes, escareados)<\/li>\n<li><strong>Tratamentos de superf\u00edcie:<\/strong>\u00a0decapagem, polimento mec\u00e2nico, anodiza\u00e7\u00e3o, jato de areia<\/li>\n<li><strong>Inspe\u00e7\u00e3o ultrass\u00f3nica<\/strong>\u00a0mediante pedido para lotes de qualifica\u00e7\u00e3o aeroespacial<\/li>\n<\/ul>\n<h2 data-v-md-heading=\"faq\" data-v-md-line=\"192\">FAQ<\/h2>\n<h3 data-v-md-heading=\"what-standard-covers-grade-5-titanium-flat-bar\" data-v-md-line=\"194\">What standard covers Grau 5 titanium flat bar?<\/h3>\n<p data-v-md-line=\"196\">Grau 5 titanium flat bar conforms to\u00a0<strong>ASTM B348<\/strong>, que abrange barras e tarugos de tit\u00e2nio e ligas de tit\u00e2nio. A AMS 4928 especifica requisitos adicionais para o estado recozido e \u00e9 a principal norma de aquisi\u00e7\u00e3o aeroespacial. A ASTM B265 abrange tiras, chapas e placas \u2014 e n\u00e3o produtos de barra. A especifica\u00e7\u00e3o ASTM B348 ou AMS 4928 garante que os limites corretos de composi\u00e7\u00e3o qu\u00edmica e os requisitos de propriedades mec\u00e2nicas sejam aplicados \u00e0 barra plana.<\/p>\n<h3 data-v-md-heading=\"what-is-the-tensile-strength-of-grade-5-ti-6al-4v-titanium-flat-bar\" data-v-md-line=\"198\">What is the resist\u00eancia \u00e0 tra\u00e7\u00e3o of Grau 5 (Ti-6Al-4V) titanium flat bar?<\/h3>\n<p data-v-md-line=\"200\">In the annealed condition per AMS 4928, Grau 5 titanium flat bar achieves a minimum resist\u00eancia \u00e0 tra\u00e7\u00e3o of\u00a0<strong>135 ksi (931 MPa)<\/strong>\u00a0for sections \u2264 2\u2033 thick, and\u00a0<strong>130 ksi (896 MPa)<\/strong>\u00a0for sections 2\u20136\u2033 thick. Solution-treated and aged (STA) flat bar per AMS 4965\/4967 reaches typical tensile strengths of\u00a0<strong>140\u2013170 ksi (965\u20131.172 MPa)<\/strong>, dependendo do tamanho da sec\u00e7\u00e3o e do ciclo de tratamento t\u00e9rmico.<\/p>\n<h3 data-v-md-heading=\"what-is-the-difference-between-grade-5-and-grade-23-titanium\" data-v-md-line=\"202\">What is the difference between Grau 5 and Grau 23 titanium?<\/h3>\n<p data-v-md-line=\"204\">Grau 5 (Ti-6Al-4V, ASTM B348) and Grau 23 (Ti-6Al-4V BAIXO TEOR INTERSTICIAL, ASTM F136) share the same base alloy composition but differ in interstitial limits. Grau 23 specifies lower oxygen (0.13% max vs 0.20%), lower nitrogen (0.03% vs 0.05%), and lower iron (0.25% vs 0.40%). These tighter limits improve fracture toughness and fatigue life, making Grau 23 the standard choice for medical implants and cryogenic structures. Grau 5 is preferred for aerospace, industrial, and marine applications where maximum strength at lower cost is the priority.<\/p>\n<h3 data-v-md-heading=\"can-ti-6al-4v-flat-bar-be-welded\" data-v-md-line=\"206\">A barra plana de Ti-6Al-4V pode ser soldada?<\/h3>\n<p data-v-md-line=\"208\">A barra plana de Ti-6Al-4V \u00e9 sold\u00e1vel por soldadura TIG (GTAW) e soldadura por feixe de eletr\u00f5es quando se mant\u00e9m uma prote\u00e7\u00e3o de g\u00e1s inerte (\u00e1rgon ou h\u00e9lio). A contamina\u00e7\u00e3o atmosf\u00e9rica acima de 260\u00b0C (500\u00b0F) causa fragiliza\u00e7\u00e3o; \u00e9 necess\u00e1ria uma purga completa de g\u00e1s inerte na retaguarda. Recomenda-se o al\u00edvio de tens\u00f5es p\u00f3s-soldadura a 538\u2013649\u00b0C (1.000\u20131.200\u00b0F) durante 1\u20134 horas, com arrefecimento ao ar. Devem ser evitados fluidos de corte clorados e agentes de limpeza antes e durante a soldadura.<\/p>\n<h3 data-v-md-heading=\"what-does-sta-condition-mean-for-titanium-flat-bar\" data-v-md-line=\"210\">O que significa a condi\u00e7\u00e3o STA para barra plana de tit\u00e2nio?<\/h3>\n<p data-v-md-line=\"212\">STA significa\u00a0<strong>Tratado em Solu\u00e7\u00e3o e Envelhecido (Solution Treated and Aged)<\/strong>, a two-step heat treatment process. The material is first solution-treated above the beta transus temperature, then aged at a lower temperature to precipitate strengthening phases. For Ti-6Al-4V flat bar, STA per AMS 4965 or AMS 4967 produces typical tensile strengths of 140\u2013170 ksi compared to 130\u2013135 ksi in the annealed condition, with a modest reduction in ductilidade. STA material is used where maximum strength is the design driver, such as aerospace fasteners and structural forgings.<\/p>\n<h3 data-v-md-heading=\"what-is-the-density-and-strength-to-weight-ratio-of-grade-5-titanium\" data-v-md-line=\"214\">What is the density and strength-to-weight ratio of Grau 5 titanium?<\/h3>\n<p data-v-md-line=\"216\">Grau 5 titanium has a density of\u00a0<strong>4,43 g\/cm\u00b3 (0,160 lb\/in\u00b3)<\/strong>, approximately 56% of the density of steel (7.85 g\/cm\u00b3) \u2014 roughly 45% lighter than structural steel \u2014 and 60% of nickel alloys. With a minimum resist\u00eancia \u00e0 tra\u00e7\u00e3o of 895 MPa (annealed), Ti-6Al-4V delivers a specific strength (strength-to-density ratio) of approximately\u00a0<strong>202 kN\u00b7m\/kg<\/strong>, mais do que tr\u00eas vezes a do a\u00e7o carbono estrutural (A36) e aproximadamente compar\u00e1vel \u00e0s ligas de alum\u00ednio de alta resist\u00eancia, com uma capacidade de temperatura de servi\u00e7o significativamente superior.<\/p>\n<h3 data-v-md-heading=\"what-industries-specify-grade-5-titanium-flat-bar\" data-v-md-line=\"218\">What industries specify Grau 5 titanium flat bar?<\/h3>\n<p data-v-md-line=\"220\">Grau 5 titanium flat bar is specified in aerospace (airframe structures, engine components), medical device manufacturing (implant blanks, spinal hardware), chemical processing (corrosion-resistant hardware), marine and offshore engineering (subsea structural components), defense and space (pressure vessels, rocket structures), and high-performance motorsport (lightweight structural members). The alloy accounts for approximately 50% of total global titanium consumption due to its combination of strength, low density, and resist\u00eancia \u00e0 corros\u00e3o.<\/p>\n<h3 data-v-md-heading=\"what-certifications-and-documentation-come-with-each-order\" data-v-md-line=\"222\">Que certifica\u00e7\u00f5es e documenta\u00e7\u00e3o acompanham cada encomenda?<\/h3>\n<p data-v-md-line=\"224\">Every shipment of Grau 5 titanium flat bar includes an\u00a0<strong>EN 10204 3.1 Certificado de ensaio de moagem<\/strong>\u00a0com resultados de composi\u00e7\u00e3o qu\u00edmica, dados de testes mec\u00e2nicos, n\u00famero do lote e declara\u00e7\u00e3o de conformidade com as normas (ASTM B348 ou AMS 4928, conforme especificado). Relat\u00f3rios de teste ultrass\u00f3nico, registos de l\u00edquidos penetrantes e relat\u00f3rios de inspe\u00e7\u00e3o dimensional est\u00e3o dispon\u00edveis mediante pedido. O material \u00e9 rastre\u00e1vel desde o lingote at\u00e9 ao produto acabado.<\/p>","protected":false},"excerpt":{"rendered":"<p data-v-md-line=\"1\">Grau 5 barra plana de tit\u00e2nio (Ti-6Al-4V \/ UNS R56400) conforme ASTM B348 e AMS 4928, fornecida na condi\u00e7\u00e3o de recozimento com Certificado de Ensaio de F\u00e1brica EN 10204 3.1 como padr\u00e3o. Condi\u00e7\u00e3o STA (AMS 4965 \/ AMS 4967) dispon\u00edvel mediante solicita\u00e7\u00e3o.<\/p>\n<ul data-v-md-line=\"3\">\n<li><strong>Material:<\/strong>\u00a0Ti-6Al-4V (Grau 5), UNS R56400 \/ DIN 3.7165 \/ TC4<\/li>\n<li><strong>Normas:<\/strong>\u00a0ASTM B348 \/ AMS 4928; ASTM F1472 (m\u00e9dico); ISO 5832-3 dispon\u00edvel<\/li>\n<li><strong>Espessura:<\/strong>\u00a03\u201380 mm |\u00a0<strong>Largura:<\/strong>\u00a020\u2013200 mm |\u00a0<strong>Comprimento:<\/strong>\u00a0at\u00e9 6.000 mm<\/li>\n<li><strong>Estado:<\/strong>\u00a0Recozido (padr\u00e3o); STA 140\u2013170 ksi mediante solicita\u00e7\u00e3o<\/li>\n<li><strong>Toler\u00e2ncia:<\/strong>\u00a0ASTM B348 Tabela 10 (lamina\u00e7\u00e3o a quente); acabamento a frio \u00b10,05 mm dispon\u00edvel<\/li>\n<li><strong>MTC:<\/strong>\u00a0EN 10204 3.1 inclu\u00eddo | Inspe\u00e7\u00e3o UT \/ PT dispon\u00edvel<\/li>\n<\/ul>\n<p data-v-md-line=\"10\">Contacte-nos para solicitar um or\u00e7amento e saber o prazo de entrega atual.<\/p>","protected":false},"featured_media":4502,"template":"","meta":[],"product_brand":[],"product_cat":[15,38],"product_tag":[],"class_list":["post-4458","product","type-product","status-publish","has-post-thumbnail","product_cat-titanium-mill-products","product_cat-titanium-bars","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/hontitan.com\/pt\/wp-json\/wp\/v2\/product\/4458","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hontitan.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/hontitan.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":1,"href":"https:\/\/hontitan.com\/pt\/wp-json\/wp\/v2\/product\/4458\/revisions"}],"predecessor-version":[{"id":4459,"href":"https:\/\/hontitan.com\/pt\/wp-json\/wp\/v2\/product\/4458\/revisions\/4459"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hontitan.com\/pt\/wp-json\/wp\/v2\/media\/4502"}],"wp:attachment":[{"href":"https:\/\/hontitan.com\/pt\/wp-json\/wp\/v2\/media?parent=4458"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/hontitan.com\/pt\/wp-json\/wp\/v2\/product_brand?post=4458"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/hontitan.com\/pt\/wp-json\/wp\/v2\/product_cat?post=4458"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/hontitan.com\/pt\/wp-json\/wp\/v2\/product_tag?post=4458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}