{"id":8303,"date":"2025-03-15T06:37:56","date_gmt":"2025-03-15T06:37:56","guid":{"rendered":"https:\/\/premiumalu.com\/?post_type=product&#038;p=8303"},"modified":"2026-07-07T08:32:45","modified_gmt":"2026-07-07T08:32:45","slug":"liga-de-aluminio-4032","status":"publish","type":"product","link":"https:\/\/premiumalu.com\/pt\/produto\/liga-de-aluminio-4032\/","title":{"rendered":"Liga de alum\u00ednio 4032"},"content":{"rendered":"<h2>What Is 4032 Aluminum Alloy?<\/h2>\n<p>4032 aluminum (EN AW-4032 \/ UNS A94032) is a silicon-rich 4xxx series wrought alloy. Its defining feature is a low coefficient of thermal expansion combined with retained strength at elevated temperatures \u2014 properties that make it the preferred material for forged internal-combustion engine pistons.<\/p>\n<p>Unlike most 4xxx series alloys that are used primarily as welding filler, 4032 is a structural wrought alloy. The high silicon content (11\u201313.5%) controls thermal growth, while copper, magnesium, and nickel additions build strength during the T6 heat treatment. It is supplied almost exclusively in T6 or T651 temper.<\/p>\n<h2>Available 4032 Aluminum Products<\/h2>\n<h3>4032 Forged Billet &amp; Bar<\/h3>\n<p>Forged billet and extruded bar are the primary forms of 4032 alloy, used for pistons, connecting rods, and precision-machined high-temperature parts. Supplied in T6 \/ T651 temper.<\/p>\n<table>\n<tr>\n<th>Liga met\u00e1lica<\/th>\n<th>Temperamento<\/th>\n<th>Di\u00e2metro (mm)<\/th>\n<th>Comprimento (mm)<\/th>\n<\/tr>\n<tr>\n<td>4032<\/td>\n<td>T6, T651<\/td>\n<td>20\u2013250<\/td>\n<td>1,000\u20136,000<\/td>\n<\/tr>\n<\/table>\n<p>Forged piston blanks are available on request \u2014 specify your forging envelope in the RFQ.<\/p>\n<h3>4032 Aluminum Sheet<\/h3>\n<p>Sheet for heat-shield panels, gaskets, and formed high-temperature components.<\/p>\n<table>\n<tr>\n<th>Liga met\u00e1lica<\/th>\n<th>Temperamento<\/th>\n<th>Espessura (mm)<\/th>\n<th>Largura (mm)<\/th>\n<th>Comprimento (mm)<\/th>\n<\/tr>\n<tr>\n<td>4032<\/td>\n<td>T6, T651<\/td>\n<td>1.0\u201350<\/td>\n<td>500\u20131,500<\/td>\n<td>1,000\u20134,000<\/td>\n<\/tr>\n<\/table>\n<h3>4032 Aluminum Tube<\/h3>\n<p>Tube and hollow bar for high-temperature structural sleeves and bushings.<\/p>\n<table>\n<tr>\n<th>Liga met\u00e1lica<\/th>\n<th>Temperamento<\/th>\n<th>DE (mm)<\/th>\n<th>Parede (mm)<\/th>\n<th>Comprimento (mm)<\/th>\n<\/tr>\n<tr>\n<td>4032<\/td>\n<td>T6, T651<\/td>\n<td>20\u2013150<\/td>\n<td>2\u201315<\/td>\n<td>1,000\u20136,000<\/td>\n<\/tr>\n<\/table>\n<h2>Especifica\u00e7\u00f5es e Designa\u00e7\u00f5es Equivalentes<\/h2>\n<table>\n<tr>\n<th>Padr\u00e3o<\/th>\n<th>Designa\u00e7\u00e3o<\/th>\n<\/tr>\n<tr>\n<td>EN AW<\/td>\n<td>AW-4032<\/td>\n<\/tr>\n<tr>\n<td>UNS<\/td>\n<td>A94032<\/td>\n<\/tr>\n<tr>\n<td>ASTM (Forgings)<\/td>\n<td>B247<\/td>\n<\/tr>\n<tr>\n<td>ASTM (Barra)<\/td>\n<td>B211<\/td>\n<\/tr>\n<tr>\n<td>ISO<\/td>\n<td>AlSi12CuMgNi<\/td>\n<\/tr>\n<\/table>\n<h2>Composi\u00e7\u00e3o qu\u00edmica<\/h2>\n<p>Per EN 573-3 \/ ASTM B247:<\/p>\n<table>\n<tr>\n<th>Elemento<\/th>\n<th>Peso %<\/th>\n<\/tr>\n<tr>\n<td>Si<\/td>\n<td>11.0\u201313.5<\/td>\n<\/tr>\n<tr>\n<td>Fe<\/td>\n<td>0,7 m\u00e1ximo<\/td>\n<\/tr>\n<tr>\n<td>Cu<\/td>\n<td>0.50\u20131.3<\/td>\n<\/tr>\n<tr>\n<td>Mn<\/td>\n<td>0,50 m\u00e1x<\/td>\n<\/tr>\n<tr>\n<td>Mg<\/td>\n<td>0.80\u20131.3<\/td>\n<\/tr>\n<tr>\n<td>Ni<\/td>\n<td>0.50\u20131.3<\/td>\n<\/tr>\n<tr>\n<td>Cr<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>Zn<\/td>\n<td>0,25 m\u00e1ximo<\/td>\n<\/tr>\n<tr>\n<td>Ti<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>Outros (cada)<\/td>\n<td>0,05 m\u00e1ximo<\/td>\n<\/tr>\n<tr>\n<td>Outros (total)<\/td>\n<td>0,15 m\u00e1ximo<\/td>\n<\/tr>\n<tr>\n<td>Al<\/td>\n<td>Equil\u00edbrio<\/td>\n<\/tr>\n<\/table>\n<h2>Propriedades Mec\u00e2nicas por T\u00eampera<\/h2>\n<table>\n<tr>\n<th>Temperamento<\/th>\n<th>Resist\u00eancia \u00e0 tra\u00e7\u00e3o (MPa)<\/th>\n<th>Resist\u00eancia ao escoamento (MPa)<\/th>\n<th>Alongamento A50 (%)<\/th>\n<th>Hardness HB<\/th>\n<\/tr>\n<tr>\n<td>T6<\/td>\n<td>310\u2013350<\/td>\n<td>275\u2013295<\/td>\n<td>9\u201311<\/td>\n<td>110\u2013130<\/td>\n<\/tr>\n<tr>\n<td>T651<\/td>\n<td>310\u2013350<\/td>\n<td>270\u2013290<\/td>\n<td>9\u201311<\/td>\n<td>110\u2013130<\/td>\n<\/tr>\n<\/table>\n<p>Note: 4032 is supplied almost exclusively in T6\/T651. Values are typical ranges for forged or extruded product. Confirm with mill test certificates for specific orders.<\/p>\n<h2>Guia de Sele\u00e7\u00e3o de Tempero<\/h2>\n<h3>T\u00eampera T6<\/h3>\n<p>Solution heat-treated and artificially aged. T6 delivers the full strength and hardness of 4032, making it the standard temper for forged pistons and connecting rods.<\/p>\n<h3>Temperamento T651<\/h3>\n<p>Solution heat-treated, stress-relieved by stretching, then artificially aged. T651 offers the same strength as T6 with lower residual stress \u2014 preferred for thick sections and precision-machined parts where dimensional stability matters.<\/p>\n<table>\n<tr>\n<th>Temperamento<\/th>\n<th>Melhor para<\/th>\n<th>Principais Vantagens<\/th>\n<\/tr>\n<tr>\n<td>T6<\/td>\n<td>Forged pistons, rods, high-heat parts<\/td>\n<td>Maximum as-heat-treated strength<\/td>\n<\/tr>\n<tr>\n<td>T651<\/td>\n<td>Precision-machined thick sections<\/td>\n<td>Lower residual stress, less distortion<\/td>\n<\/tr>\n<\/table>\n<h2>Principais caracter\u00edsticas<\/h2>\n<h3>Low Thermal Expansion<\/h3>\n<p>The 11\u201313.5% silicon content gives 4032 a coefficient of thermal expansion roughly 60\u201370% that of common 6xxx or 7xxx alloys. This keeps piston-to-bore clearance stable across the engine&#8217;s operating temperature range \u2014 the single most important property for forged pistons.<\/p>\n<h3>High-Temperature Strength<\/h3>\n<p>4032 retains useful strength at temperatures where many aluminum alloys soften. It performs reliably in the 150\u2013250\u00b0C range typical of piston crowns and turbocharger-adjacent components.<\/p>\n<h3>Resist\u00eancia ao desgaste<\/h3>\n<p>The dispersed silicon particles provide good sliding-wear resistance, helping piston skirts survive against cylinder walls without excessive scoring.<\/p>\n<h3>Resist\u00eancia \u00e0 corros\u00e3o<\/h3>\n<p>4032 has moderate corrosion resistance. The high silicon content reduces resistance to pitting and seawater exposure compared with 5xxx\/6xxx alloys. In engine applications it is typically protected by oil films, coatings, or integral design \u2014 not by inherent alloy corrosion resistance.<\/p>\n<h2>Aplicativos<\/h2>\n<p>4032 is specified wherever thermal stability and wear resistance are both required:<\/p>\n<ul>\n<li><strong>Forged pistons:<\/strong> Performance and racing engine pistons, two-stroke and four-stroke applications<\/li>\n<li><strong>Connecting rods:<\/strong> High-RPM forged rods where low expansion reduces clearance issues<\/li>\n<li><strong>Turbocharger components:<\/strong> Heat-exposed brackets, housings, and spacers<\/li>\n<li><strong>Heat shields &amp; exhaust-adjacent parts:<\/strong> Formed sheet components near hot sections<\/li>\n<li><strong>Precision machinery:<\/strong> Slides, ways, and fixtures that must hold dimension under thermal cycling<\/li>\n<\/ul>\n<h2>**Notas sobre Processamento e Acabamento de Superf\u00edcie**<\/h2>\n<ul>\n<li><strong>Forging:<\/strong> 4032 is primarily a forging alloy. Die forging produces the dense, oriented grain structure needed for piston service. Open-die and closed-die forgings are both feasible.<\/li>\n<li><strong>**Usinagem:**<\/strong> The silicon particles are moderately abrasive to tooling. Carbide tooling and controlled speeds are recommended for production machining.<\/li>\n<li><strong>Tratamento t\u00e9rmico:<\/strong> Solution treatment near 495\u2013510\u00b0C followed by artificial aging at ~155\u2013175\u00b0C to reach T6. Re-heat-treating after forging is standard practice.<\/li>\n<li><strong>Soldagem:<\/strong> 4032 is weldable by TIG\/MIG but is NOT a filler alloy \u2014 it is a base metal. If a joining filler is needed for 4032, 4043 or 4145 wire is typically selected based on service temperature. Fusion welding of piston-grade 4032 is uncommon; mechanical fastening or brazing is often preferred.<\/li>\n<li><strong>Anodiza\u00e7\u00e3o:<\/strong> Possible but produces a grey, less uniform finish due to high silicon. Decorative anodizing is not typical; hard (Type III) anodizing is occasionally used for wear surfaces.<\/li>\n<\/ul>\n<h2>Documentos de Qualidade e Inspe\u00e7\u00e3o<\/h2>\n<p>Todo pedido da Linsy inclui:<\/p>\n<ul>\n<li><strong>Certificado de Teste de F\u00e1brica (MTC)<\/strong> \u2014 chemical composition and mechanical properties per ASTM B247 \/ B211<\/li>\n<li><strong>Relat\u00f3rio de inspe\u00e7\u00e3o dimensional<\/strong> \u2014 medido de acordo com as especifica\u00e7\u00f5es do pedido<\/li>\n<li><strong>Relat\u00f3rios de teste SGS<\/strong> dispon\u00edveis mediante solicita\u00e7\u00e3o para verifica\u00e7\u00e3o por terceiros<\/li>\n<\/ul>\n<p>A Linsy opera sob os sistemas de gest\u00e3o ISO 9001, ISO 14001 e ISO 45001. Os prazos de produ\u00e7\u00e3o variam de 10 a 60 dias, dependendo da forma do produto e da complexidade do pedido.<\/p>\n<h2>Why Choose Linsy for 4032 Aluminum<\/h2>\n<p>Linsy Aluminum supplies specialty silicon alloys to automotive, motorsport, and industrial buyers worldwide. For 4032 alloy:<\/p>\n<ul>\n<li>Forged billet and bar available in T6 \/ T651 temper<\/li>\n<li>Custom forging envelopes and cut-to-length on request<\/li>\n<li>Copper and nickel balance confirmed by MTC on every shipment<\/li>\n<li>Opera\u00e7\u00f5es certificadas ISO 9001, ISO 14001, ISO 45001<\/li>\n<li>Prazo de produ\u00e7\u00e3o de 10 a 60 dias, dependendo da especifica\u00e7\u00e3o<\/li>\n<li>Testes de terceiros SGS dispon\u00edveis mediante solicita\u00e7\u00e3o<\/li>\n<\/ul>\n<h2>**Recursos Relacionados**<\/h2>\n<p>Learn more about silicon alloys and forged aluminum components:<\/p>\n<ul>\n<li><a href=\"https:\/\/premiumalu.com\/pt\/guia-essencial-de-aluminio-para-masterizacao-4032\/\">Tudo o que voc\u00ea precisa saber sobre o alum\u00ednio 4032<\/a><\/li>\n<li><a href=\"https:\/\/premiumalu.com\/pt\/4xxx-series-silicon-aluminum-alloys-guide\/\">4xxx Series Silicon Aluminum Alloys \u2014 Complete Guide<\/a><\/li>\n<li><a href=\"https:\/\/premiumalu.com\/pt\/forged-aluminum-pistons-material-selection\/\">Forged Aluminum Pistons \u2014 Material Selection Guide<\/a><\/li>\n<\/ul>\n<h2>4032 Aluminum FAQ<\/h2>\n<h3>What is 4032 aluminum used for?<\/h3>\n<p>4032 is the standard wrought alloy for forged engine pistons and connecting rods. Its low thermal expansion and retained high-temperature strength keep clearances stable under heat and load. It is also used for turbocharger-adjacent parts and precision fixtures that must hold dimension during thermal cycling.<\/p>\n<h3>Is 4032 a casting alloy?<\/h3>\n<p>No. 4032 is a wrought (forged\/extruded) alloy. Cast pistons are typically made from 3xx series casting alloys (e.g. 332, 336). 4032 is forged, not cast \u2014 this distinction matters for both properties and procurement.<\/p>\n<h3>Is 4032 used as welding wire?<\/h3>\n<p>No. 4032 is a base metal, not a filler alloy. The common 4xxx welding fillers are 4043 and 4045 (lower silicon) or 4145 (higher temperature). If you need to join 4032, select the filler based on service temperature and consult a welding procedure.<\/p>\n<h3>How does 4032 compare to 2618 for pistons?<\/h3>\n<p>Both are forged piston alloys with low expansion. 2618 (Cu\/Mg\/Ni) offers higher temperature capability and is common in aerospace\/racing; 4032 (high Si) gives better wear resistance and lower cost for high-volume performance pistons. The choice depends on temperature, load, and budget.<\/p>\n<h3>Can 4032 be anodized for appearance?<\/h3>\n<p>Anodizing is possible but produces a grey, uneven look because of the silicon content. Hard anodizing (Type III) is sometimes applied to wear surfaces; decorative bright anodizing is not typical for 4032.<\/p>\n<h2>FAQ Geral de Pedidos<\/h2>\n<h3>Qual \u00e9 a quantidade m\u00ednima do pedido?<\/h3>\n<p>MOQ depends on product form. Forged billet typically has a higher MOQ than bar. Contact Linsy for specific details.<\/p>\n<h3>Can you supply forged piston blanks?<\/h3>\n<p>Yes. Forged piston blanks and custom forging envelopes are available on request. Provide your forging envelope and draft in the RFQ.<\/p>\n<h3>Quais documentos de qualidade s\u00e3o fornecidos?<\/h3>\n<p>Every shipment includes a Mill Test Certificate (MTC) with chemical composition and mechanical properties. SGS third-party reports are available on request.<\/p>\n<h3>Qual \u00e9 o prazo de entrega t\u00edpico?<\/h3>\n<p>O prazo de produ\u00e7\u00e3o \u00e9 de 10 a 60 dias, dependendo da forma do produto, dimens\u00f5es e quantidade do pedido.<\/p>\n<h3>Voc\u00eas fazem envios internacionais?<\/h3>\n<p>Sim. A Linsy fornece produtos de alum\u00ednio para compradores em todo o mundo. Os termos de envio e as op\u00e7\u00f5es de frete s\u00e3o confirmados durante a coloca\u00e7\u00e3o do pedido.<\/p>","protected":false},"excerpt":{"rendered":"<p>4032 aluminum is a heat-treatable 4xxx series alloy containing 11\u201313.5% silicon, giving it a low coefficient of thermal expansion and good high-temperature strength. It is the standard wrought alloy for forged pistons, connecting rods, and other components that must hold dimension under heat and load. Linsy supplies 4032 in forged billet, bar, sheet, and tube \u2014 all backed by mill test certificates.<\/p>\n<p><strong>Formul\u00e1rios dispon\u00edveis:<\/strong> forged billet \/ bar \/ sheet \/ tube \/ profile<br \/><strong>Temperamentos comuns:<\/strong> T6 \/ T651<br \/><strong>Suporte ao processamento:<\/strong> forging \/ CNC machining \/ heat treatment \/ anodizing<br \/><strong>Documentos de qualidade:<\/strong> Relat\u00f3rio MTC em cada pedido<\/p>","protected":false},"featured_media":8374,"template":"","meta":{"_seopress_titles_title":"4032 Aluminum Alloy Forged Piston & Bar Supplier | Linsy Aluminum","_seopress_titles_desc":"4032 aluminum alloy \u2014 low-expansion, high-temperature wrought silicon alloy for forged pistons and rods. Bar, billet, sheet & tube in T6\/T651. MTC with every order.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"none","_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":"both","_seopress_redirections_param":"","_seopress_redirections_type":301,"_seopress_analysis_target_kw":""},"product_brand":[],"product_cat":[87],"product_tag":[],"class_list":["post-8303","product","type-product","status-publish","has-post-thumbnail","product_cat-4000-series-aluminum-alloys","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/premiumalu.com\/pt\/wp-json\/wp\/v2\/product\/8303","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/premiumalu.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/premiumalu.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/premiumalu.com\/pt\/wp-json\/wp\/v2\/media\/8374"}],"wp:attachment":[{"href":"https:\/\/premiumalu.com\/pt\/wp-json\/wp\/v2\/media?parent=8303"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/premiumalu.com\/pt\/wp-json\/wp\/v2\/product_brand?post=8303"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/premiumalu.com\/pt\/wp-json\/wp\/v2\/product_cat?post=8303"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/premiumalu.com\/pt\/wp-json\/wp\/v2\/product_tag?post=8303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}