{"id":9263,"date":"2025-09-28T02:48:44","date_gmt":"2025-09-28T02:48:44","guid":{"rendered":"https:\/\/premiumalu.com\/?post_type=product&#038;p=9263"},"modified":"2026-07-08T15:01:17","modified_gmt":"2026-07-08T15:01:17","slug":"%d0%b0%d0%bb%d1%8e%d0%bc%d0%b8%d0%bd%d0%b8%d0%b5%d0%b2%d1%8b%d0%b9-%d0%bb%d0%b8%d1%82%d0%b5%d0%b9%d0%bd%d1%8b%d0%b9-%d1%81%d0%bf%d0%bb%d0%b0%d0%b2-a355","status":"publish","type":"product","link":"https:\/\/premiumalu.com\/ru\/%d0%bf%d1%80%d0%be%d0%b4%d1%83%d0%ba%d1%82\/%d0%b0%d0%bb%d1%8e%d0%bc%d0%b8%d0%bd%d0%b8%d0%b5%d0%b2%d1%8b%d0%b9-%d0%bb%d0%b8%d1%82%d0%b5%d0%b9%d0%bd%d1%8b%d0%b9-%d1%81%d0%bf%d0%bb%d0%b0%d0%b2-a355\/","title":{"rendered":"\u0410\u043b\u044e\u043c\u0438\u043d\u0438\u0435\u0432\u044b\u0439 \u043b\u0438\u0442\u0435\u0439\u043d\u044b\u0439 \u0441\u043f\u043b\u0430\u0432 A355"},"content":{"rendered":"<h2>What Is A355 Aluminum Casting Alloy?<\/h2>\n<p>A355 Aluminum Casting Alloy is an aluminum-silicon-copper casting alloy supplied by Linsy for foundries and component manufacturers. It is valued for good castability, reasonable strength, and cost-effectiveness in sand, permanent-mold, and die-casting processes. Linsy provides ingot and billet feedstock as well as custom cast components, with an MTC supplied on every order.<\/p>\n<h2>Available A355 Products<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0424\u043e\u0440\u043c\u0430<\/th>\n<th>Typical Size \/ Note<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ingot<\/td>\n<td>Standard ingot sizes; custom weights available<\/td>\n<\/tr>\n<tr>\n<td>Billet \/ Foundry ingot<\/td>\n<td>Custom dimensions on request<\/td>\n<\/tr>\n<tr>\n<td>Cast components<\/td>\n<td>Sand, permanent-mold, and die casting to drawing<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Sizes and tooling are produced to customer specification.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>A355 Specifications &amp; Equivalent Designations<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0421\u0442\u0430\u043d\u0434\u0430\u0440\u0442<\/th>\n<th>\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>AA \/ UNS<\/td>\n<td>A355<\/td>\n<\/tr>\n<tr>\n<td>EN<\/td>\n<td>EN AC-<span>355<\/span>.0 (casting variant)<\/td>\n<\/tr>\n<tr>\n<td>Common family<\/td>\n<td>Al-Si-Cu casting alloy<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Chemical Composition of A355<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u042d\u043b\u0435\u043c\u0435\u043d\u0442<\/th>\n<th>\u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435 (%)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Si<\/td>\n<td>6.5 &#8211; 7.5<\/td>\n<\/tr>\n<tr>\n<td>Fe<\/td>\n<td>0,20 \u043c\u0430\u043a\u0441.<\/td>\n<\/tr>\n<tr>\n<td>Cu<\/td>\n<td>0,20 \u043c\u0430\u043a\u0441. <em>(verify \u2014 described as Si-Cu grade)<\/em><\/td>\n<\/tr>\n<tr>\n<td>Mn<\/td>\n<td>0.10 \u043c\u0430\u043a\u0441.<\/td>\n<\/tr>\n<tr>\n<td>Zn<\/td>\n<td>0.10 \u043c\u0430\u043a\u0441.<\/td>\n<\/tr>\n<tr>\n<td>Ti<\/td>\n<td>0,20 \u043c\u0430\u043a\u0441.<\/td>\n<\/tr>\n<tr>\n<td>Mg<\/td>\n<td>0.10 &#8211; 0.30 <em>(verify)<\/em><\/td>\n<\/tr>\n<tr>\n<td>\u0414\u0440\u0443\u0433\u0438\u0435 (\u043a\u0430\u0436\u0434\u044b\u0439)<\/td>\n<td>0,05 \u043c\u0430\u043a\u0441.<\/td>\n<\/tr>\n<tr>\n<td>\u041f\u0440\u043e\u0447\u0438\u0435 (\u0432\u0441\u0435\u0433\u043e)<\/td>\n<td>0,15 \u043c\u0430\u043a\u0441.<\/td>\n<\/tr>\n<tr>\n<td>\u042d\u043b<\/td>\n<td>\u041e\u0441\u0442\u0430\u0442\u043e\u043a<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u041c\u0435\u0445\u0430\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u0432 \u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0441\u0442\u0438 \u043e\u0442 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u0422\u0435\u043c\u043f\u0435\u0440<\/th>\n<th>\u041f\u0440\u043e\u0447\u043d\u043e\u0441\u0442\u044c \u043d\u0430 \u0440\u0430\u0437\u0440\u044b\u0432 (\u041c\u041f\u0430)<\/th>\n<th>\u041f\u0440\u0435\u0434\u0435\u043b \u0442\u0435\u043a\u0443\u0447\u0435\u0441\u0442\u0438 (\u041c\u041f\u0430)<\/th>\n<th>\u0423\u0434\u043b\u0438\u043d\u0435\u043d\u0438\u0435 (%)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>F (as-cast)<\/td>\n<td>~200<\/td>\n<td>~110<\/td>\n<td>~2<\/td>\n<\/tr>\n<tr>\n<td>T5<\/td>\n<td>~240<\/td>\n<td>~170<\/td>\n<td>~2.5<\/td>\n<\/tr>\n<tr>\n<td>T6<\/td>\n<td>259 &#8211; 310<\/td>\n<td>165 &#8211; 230<\/td>\n<td>2.2 &#8211; 3.8<\/td>\n<\/tr>\n<tr>\n<td colspan=\"4\">Values shown are typical for the T6 condition and should be confirmed against the mill certificate for a specific casting.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Physical &amp; Thermal Properties (Typical, T6)<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u041d\u0435\u0434\u0432\u0438\u0436\u0438\u043c\u043e\u0441\u0442\u044c<\/th>\n<th>\u0417\u043d\u0430\u0447\u0435\u043d\u0438\u0435<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u041f\u043b\u043e\u0442\u043d\u043e\u0441\u0442\u044c<\/td>\n<td>2,70 \u0433\/\u0441\u043c\u00b3<\/td>\n<\/tr>\n<tr>\n<td>Melting range<\/td>\n<td>560 &#8211; 620 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>\u0422\u0435\u043f\u043b\u043e\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u043e\u0441\u0442\u044c<\/td>\n<td>150 &#8211; 170 W\/m\u00b7\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Fatigue strength (10\u2077 cycles)<\/td>\n<td>66 &#8211; 84 MPa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u0420\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u043e \u043f\u043e \u0432\u044b\u0431\u043e\u0440\u0443 \u0442\u0435\u043c\u043f\u0435\u0440\u0430\u0442\u0443\u0440\u044b<\/h2>\n<p><strong>F<\/strong> (as-cast) is used where no heat treatment is required. <strong>T4<\/strong> (solution + natural age) improves strength and ductility. <strong>T5<\/strong> (artificial age only) gives moderate strength with good dimensional stability. <strong>T6<\/strong> (solution + artificial age) is the most common choice for maximum strength. Select the temper based on the mechanical and thermal demands of the final part.<\/p>\n<h2>Key Characteristics of A355<\/h2>\n<h3>Castability<\/h3>\n<p>The silicon content delivers good fluidity and low shrinkage, making the alloy suitable for complex thin-wall castings.<\/p>\n<h3>Strength &amp; Hardness<\/h3>\n<p>Copper additions raise strength and hardness relative to lower-copper casting grades, supporting structural and wear-facing applications.<\/p>\n<h3>Corrosion &amp; Weldability<\/h3>\n<p>The alloy offers fair corrosion resistance. Welding is possible but should be specified with engineering review; post-weld heat treatment may be needed to recover properties.<\/p>\n<h2>\u041e\u0431\u0449\u0438\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f<\/h2>\n<ul>\n<li>Automotive and truck engine and transmission housings<\/li>\n<li>General industrial castings and brackets<\/li>\n<li>Pump and valve bodies<\/li>\n<li>Structural and decorative cast components<\/li>\n<\/ul>\n<h2>\u041f\u0440\u0438\u043c\u0435\u0447\u0430\u043d\u0438\u044f \u043f\u043e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0435 \u0438 \u043e\u0442\u0434\u0435\u043b\u043a\u0435 \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438<\/h2>\n<p>A355 Aluminum Casting Alloy is normally supplied as ingot\/billet or as cast components. Machining is straightforward in the T5\/T6 condition. Surface treatments such as anodizing are limited by the high silicon content and should be evaluated case by case. Dimensional and NDT inspection can be arranged to drawing.<\/p>\n<h2>\u0414\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u044f \u043f\u043e \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0443 \u0438 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0430<\/h2>\n<p>Every order ships with an MTC reporting chemical analysis and mechanical results for the lot. Additional inspection such as X-ray, dye penetrant, or pressure testing can be arranged on request.<\/p>\n<h2>Why Choose Linsy for A355<\/h2>\n<p>Linsy is a Shenzhen-based aluminum supplier with more than 20 years of production experience across the 1000 to 8000 series, including casting feedstock and custom cast parts. We support custom chemistries, sizes, and light processing, and back each shipment with full mill documentation.<\/p>\n<h2>\u0421\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0440\u0435\u0441\u0443\u0440\u0441\u044b<\/h2>\n<p>For background on aluminum casting alloys, see the references below (external \u2014 verify and replace with Linsy-owned content before publishing):<\/p>\n<ul>\n<li><a href=\"https:\/\/www.google.com\/search?q=aluminum+casting+alloy+a355\">A355 Casting Alloy (external)<\/a><\/li>\n<li><a href=\"https:\/\/www.google.com\/search?q=aluminum+sand+vs+die+casting\">Aluminum Sand vs Die Casting (external)<\/a><\/li>\n<\/ul>\n<h2>A355 Aluminum Casting Alloy FAQ<\/h2>\n<h3>What makes A355 different from A356?<\/h3>\n<p>A355 is formulated for higher strength and better elevated-temperature performance than A356, which is why it is used in more demanding engine and structural castings.<\/p>\n<h3>Which temper is typical for A355?<\/h3>\n<p>T6 is the common heat-treated condition for maximum strength; T5 is used where dimensional stability and moderate strength are sufficient.<\/p>\n<h3>Is A355 good for high-temperature parts?<\/h3>\n<p>Yes. A355 retains mechanical properties better than many standard casting grades at elevated temperature, which suits performance and engine-related applications.<\/p>\n<h2>\u041e\u0431\u0449\u0438\u0435 \u0432\u043e\u043f\u0440\u043e\u0441\u044b \u0438 \u043e\u0442\u0432\u0435\u0442\u044b \u043f\u043e \u043e\u0444\u043e\u0440\u043c\u043b\u0435\u043d\u0438\u044e \u0437\u0430\u043a\u0430\u0437\u043e\u0432<\/h2>\n<h3>\u041a\u0430\u043a\u043e\u0432\u044b \u043e\u0431\u044b\u0447\u043d\u044b\u0435 \u0441\u0440\u043e\u043a\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0437\u0430\u043a\u0430\u0437\u0430?<\/h3>\n<p>Lead times generally range from 10 to 60 days depending on alloy, form, and quantity. Confirm with your quote.<\/p>\n<h3>Do you provide mill certificates?<\/h3>\n<p>Yes. An MTC is supplied with every order, and additional inspection can be arranged on request.<\/p>\n<h3>Can castings be customized?<\/h3>\n<p>Yes. We produce ingot, billet, and cast components to customer drawings and specifications.<\/p>","protected":false},"excerpt":{"rendered":"<p>A355 is a high-quality aluminum-silicon-copper casting alloy prized for its strength and stability at elevated temperatures. Its composition balances strength, hardness, and wear resistance, making it durable under thermal stress \u2014 a common choice for performance and engine-related castings. Linsy supplies A355 as ingot, billet, and custom cast components with an MTC on every order.<\/p>\n<p>\n<strong>\u0414\u043e\u0441\u0442\u0443\u043f\u043d\u044b\u0435 \u0444\u043e\u0440\u043c\u044b:<\/strong> ingot \/ billet \/ sand casting \/ permanent-mold casting<br \/>\n<strong>\u0420\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u044b\u0435 \u0442\u0438\u043f\u044b \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0430:<\/strong> F \/ T4 \/ T5 \/ T6<br \/>\n<strong>\u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438:<\/strong> CNC machining \/ heat treatment \/ NDT inspection<br \/>\n<strong>\u0414\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u044b \u043f\u043e \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0443:<\/strong> \u041e\u0442\u0447\u0435\u0442 MTC \u0441 \u043a\u0430\u0436\u0434\u044b\u043c \u0437\u0430\u043a\u0430\u0437\u043e\u043c<\/p>","protected":false},"featured_media":9313,"template":"","meta":{"_seopress_titles_title":"A355 Aluminum Casting Alloy | EN AC | Al-Si-Cu","_seopress_titles_desc":"Source A355 Al-Si-Cu casting alloy for high-temperature and performance castings. 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