{"id":9025,"date":"2025-08-30T08:44:43","date_gmt":"2025-08-30T08:44:43","guid":{"rendered":"https:\/\/premiumalu.com\/?post_type=product&#038;p=9025"},"modified":"2026-07-08T15:01:19","modified_gmt":"2026-07-08T15:01:19","slug":"barra-redonda-de-aluminio-5083","status":"publish","type":"product","link":"https:\/\/premiumalu.com\/pt\/produto\/barra-redonda-de-aluminio-5083\/","title":{"rendered":"Barra redonda de alum\u00ednio 5083-H32\/H111\/H116"},"content":{"rendered":"<h2>What Is 5083 Aluminum Round Bar?<\/h2>\n<p>5083 round bar is a cylindrical marine-grade aluminum bar made from the non-heat-treatable 5xxx alloy 5083 (AlMg4.5Mn0.7). Its high magnesium content delivers outstanding resistance to seawater and industrial-chemical corrosion, while its weldability and post-weld strength retention make it a dependable choice for critical structures.<\/p>\n<p>Round bar is commonly used for shafts, pins, supports, and machined components in shipbuilding, LNG equipment, and offshore service where corrosion resistance cannot be compromised.<\/p>\n<h2>Available 5083 Aluminum Round Bar<\/h2>\n<p>Linsy supplies 5083 round bar in the size ranges below; other diameters and lengths are available on request.<\/p>\n<h3>5083 Round Bar Sizes<\/h3>\n<table>\n<tbody>\n<tr>\n<th>Temperamento<\/th>\n<th>Di\u00e2metro (mm)<\/th>\n<th>Comprimento (mm)<\/th>\n<\/tr>\n<tr>\n<td>O, H111, H116, H321<\/td>\n<td>6 &#8211; 400<\/td>\n<td>1000 &#8211; 6000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Bars are supplied sawn to length from stock; tighter tolerances, centerless grinding, and CNC machining can be arranged.<\/p>\n<h2>Especifica\u00e7\u00f5es e Designa\u00e7\u00f5es Equivalentes<\/h2>\n<p>5083 round bar maps to the following designations:<\/p>\n<ul>\n<li>EN AW-5083 \/ AlMg4.5Mn0.7<\/li>\n<li>UNS A95083<\/li>\n<li>JIS A5083<\/li>\n<li>GB\/T 3190 5083<\/li>\n<\/ul>\n<p>Bar and profile supply typically follows ASTM B221 and EN 755; marine and pressure-equipment projects may reference additional classification-society or ASTM B928 requirements.<\/p>\n<h2>Composi\u00e7\u00e3o qu\u00edmica<\/h2>\n<p>Typical composition of 5083 (per ASTM\/EN), percentage by weight; aluminum is the balance:<\/p>\n<table>\n<tbody>\n<tr>\n<th>Elemento<\/th>\n<th>Conte\u00fado (%)<\/th>\n<\/tr>\n<tr>\n<td>Sil\u00edcio (Si)<\/td>\n<td>0,40 m\u00e1x<\/td>\n<\/tr>\n<tr>\n<td>Ferro (Fe)<\/td>\n<td>0,40 m\u00e1x<\/td>\n<\/tr>\n<tr>\n<td>Cobre (Cu)<\/td>\n<td>0,10 m\u00e1ximo<\/td>\n<\/tr>\n<tr>\n<td>Mangan\u00eas (Mn)<\/td>\n<td>0.40 &#8211; 1.00<\/td>\n<\/tr>\n<tr>\n<td>Magn\u00e9sio (Mg)<\/td>\n<td>4.00 &#8211; 4.90<\/td>\n<\/tr>\n<tr>\n<td>Cromo (Cr)<\/td>\n<td>0.05 &#8211; 0.25<\/td>\n<\/tr>\n<tr>\n<td>Zinco (Zn)<\/td>\n<td>0,25 m\u00e1ximo<\/td>\n<\/tr>\n<tr>\n<td>Tit\u00e2nio (Ti)<\/td>\n<td>0,15 m\u00e1ximo<\/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>Alum\u00ednio (Al)<\/td>\n<td>Equil\u00edbrio<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Propriedades Mec\u00e2nicas por T\u00eampera<\/h2>\n<p>Typical room-temperature properties for 5083 round bar. Values are indicative and vary with diameter and specification; confirm against the MTC for your order.<\/p>\n<table>\n<tbody>\n<tr>\n<th>Temperamento<\/th>\n<th>Tensile strength (MPa)<\/th>\n<th>Yield strength (MPa)<\/th>\n<th>Alongamento (%)<\/th>\n<th>Brinell hardness (HB)<\/th>\n<\/tr>\n<tr>\n<td>O<\/td>\n<td>275<\/td>\n<td>125<\/td>\n<td>16<\/td>\n<td>75<\/td>\n<\/tr>\n<tr>\n<td>H111<\/td>\n<td>290<\/td>\n<td>165<\/td>\n<td>14<\/td>\n<td>80<\/td>\n<\/tr>\n<tr>\n<td>H116<\/td>\n<td>305<\/td>\n<td>215<\/td>\n<td>12<\/td>\n<td>95<\/td>\n<\/tr>\n<tr>\n<td>H321<\/td>\n<td>305<\/td>\n<td>215<\/td>\n<td>12<\/td>\n<td>95<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Guia de Sele\u00e7\u00e3o de Tempero<\/h2>\n<ul>\n<li><strong>O:<\/strong> softest and most machinable\/formable; good for heavily machined parts.<\/li>\n<li><strong>H111:<\/strong> lightly worked, slightly stronger with good machinability.<\/li>\n<li><strong>H116 \/ H321:<\/strong> marine tempers with good strength and improved stress-corrosion-cracking resistance; preferred for welded offshore and shipboard components.<\/li>\n<li><strong>H32 \/ H34 \/ H38:<\/strong> higher-strength tempers available on request.<\/li>\n<\/ul>\n<h2>Principais caracter\u00edsticas<\/h2>\n<h3>Seawater and Chemical Corrosion Resistance<\/h3>\n<p>5083 performs exceptionally well in marine and industrial environments. Its high magnesium content gives it strong resistance to pitting and general corrosion in seawater, making it a standard choice for hulls, superstructures, and offshore platforms.<\/p>\n<h3>Soldabilidade<\/h3>\n<p>As a non-heat-treatable alloy, 5083 retains most of its strength after welding and does not suffer from heat-affected-zone softening the way heat-treatable grades do. It is readily weldable by TIG and MIG processes; 5xxx filler wires such as 5183 or 5356 are typically used.<\/p>\n<h3>Strength in the Non-Heat-Treatable Class<\/h3>\n<p>Among work-hardened aluminum alloys, 5083 offers one of the highest strength levels while keeping good ductility. Strain-hardened tempers (H116, H321, H32) raise yield strength without sacrificing too much formability.<\/p>\n<h3>Cryogenic Toughness<\/h3>\n<p>5083 maintains toughness at very low temperatures and does not become brittle when cold, which is why it is widely used for LNG tanks and cryogenic pressure vessels.<\/p>\n<h3>Resist\u00eancia a rachaduras por corros\u00e3o sob tens\u00e3o<\/h3>\n<p>Tempers such as H116 and H321 are specified for marine service because they offer improved resistance to exfoliation and stress corrosion cracking compared with general-purpose tempers.<\/p>\n<h2>Aplicativos<\/h2>\n<ul>\n<li>Shipbuilding and marine components: shafts, pins, and structural fittings<\/li>\n<li>LNG and cryogenic tank supports<\/li>\n<li>Pressure vessels and welded structures<\/li>\n<li>Offshore drilling-rig components<\/li>\n<li>Machined parts exposed to seawater or chemicals<\/li>\n<\/ul>\n<h2>**Notas sobre Processamento e Acabamento de Superf\u00edcie**<\/h2>\n<ul>\n<li><strong>**Usinagem:**<\/strong> 5083 machines acceptably with sharp tooling and coolant; H tempers machine a little more cleanly than O.<\/li>\n<li><strong>Soldagem:<\/strong> TIG\/MIG with 5xxx filler (commonly 5183 or 5356).<\/li>\n<li><strong>Corte:<\/strong> sawing and CNC turning to length and diameter.<\/li>\n<li><strong>Finish:<\/strong> mill finish as standard; anodizing, polishing, or PVC film available.<\/li>\n<\/ul>\n<h2>Documentos de Qualidade e Inspe\u00e7\u00e3o<\/h2>\n<p>Every 5083 order from Linsy ships with a Mill Test Certificate (MTC) that reports the heat number, chemical analysis, mechanical test results, and the applicable standard. Third-party inspection and SGS test reports are available on request.<\/p>\n<p>Our production follows ISO 9001 (quality), ISO 14001 (environment), and ISO 45001 (occupational health and safety) management systems. Dimensional and visual inspection is carried out against ASTM, EN, or GB specifications as required by the order.<\/p>\n<h2>Why Choose Linsy for 5083 Round Bar<\/h2>\n<h3>20+ Years of Aluminum Manufacturing<\/h3>\n<p>Linsy Aluminum is a Shenzhen-based aluminum manufacturer with more than 20 years of experience supplying plate, bar, tube, wire, coil, and profile across the 1000 to 8000 series.<\/p>\n<h3>Marine-Grade 5083 with Full Traceability<\/h3>\n<p>We stock and process 5083 in the marine tempers buyers actually need (O, H111, H116, H321) and provide MTC documentation with every shipment so your project passes classification and weld-procedure requirements.<\/p>\n<h3>Processing and Finishing Under One Roof<\/h3>\n<p>In addition to supplying mill forms, we offer CNC machining, laser cutting, sawing, and surface finishing (anodizing, polishing, mill finish, powder coating, PVC film protection) to deliver closer-to-final parts.<\/p>\n<h3>Custom Sizes and Reasonable Lead Times<\/h3>\n<p>Typical custom lead time is 10-60 days depending on temper, size, and quantity. Small trial orders and low MOQs are supported for new projects.<\/p>\n<h2>**Recursos Relacionados**<\/h2>\n<ul>\n<li><a href=\"https:\/\/premiumalu.com\/pt\/placa-de-aluminio-maritimo-5052-vs-5083-fazendo-a-melhor-escolha\/\">Marine Aluminum Plate: 5052 vs 5083 \u2014 Making the Best Choice<\/a><\/li>\n<li><a href=\"https:\/\/premiumalu.com\/pt\/dicas-de-especialistas-para-a-escolha-da-chapa-de-aluminio-5083\/\">O guia definitivo para a sele\u00e7\u00e3o de chapas de alum\u00ednio 5083<\/a><\/li>\n<li><a href=\"https:\/\/premiumalu.com\/pt\/aluminio-5083-h321-um-guia-completo\/\">O guia definitivo para a liga de alum\u00ednio 5083-H321<\/a><\/li>\n<li><a href=\"https:\/\/premiumalu.com\/pt\/guia-do-especialista-em-ligas-de-aluminio-5083\/\">Alum\u00ednio 5083: Uma vis\u00e3o geral abrangente<\/a><\/li>\n<\/ul>\n<h2>5083 Aluminum Round Bar FAQ<\/h2>\n<h3>Is 5083 round bar heat treatable?<\/h3>\n<p>No. 5083 is non-heat-treatable and is supplied only in annealed (O) or strain-hardened (H) tempers.<\/p>\n<h3>Which temper is best for marine welded parts?<\/h3>\n<p>H116 or H321 are the usual marine choices, offering good strength with improved resistance to stress corrosion cracking. O or H111 suit parts that need extensive machining or forming first.<\/p>\n<h3>Can you machine round bar to drawing?<\/h3>\n<p>Yes. We provide sawing, CNC turning, and finishing, and ship every order with an MTC.<\/p>\n<h3>What filler wire is used to weld 5083?<\/h3>\n<p>5xxx fillers matched to the base alloy, typically 5183 or 5356, depending on the joint and service conditions.<\/p>\n<h2>FAQ Geral de Pedidos<\/h2>\n<h3>What is the typical lead time for a custom 5083 order?<\/h3>\n<p>Typical custom lead time is 10-60 days, depending on the temper, size, and order quantity. Stock tempers can usually ship faster.<\/p>\n<h3>Do you provide a mill test certificate?<\/h3>\n<p>Yes. Every order ships with an MTC that reports chemistry, mechanical properties, and the applicable standard. SGS or third-party inspection reports are available on request.<\/p>\n<h3>What are your minimum order quantities?<\/h3>\n<p>We support low MOQs for prototypes and trial runs. Exact minimums depend on the form and size, so please share your requirement for a quote.<\/p>\n<h3>Which countries do you ship to?<\/h3>\n<p>We export worldwide. Contact us with your delivery port and we will confirm logistics and documentation.<\/p>\n<h3>Can you cut or machine 5083 to size?<\/h3>\n<p>Yes. We provide sawing, laser cutting, and CNC machining, as well as surface finishing such as anodizing and polishing.<\/p>","protected":false},"excerpt":{"rendered":"<p>5083 aluminum round bar (AlMg4.5Mn0.7) is a marine-grade, non-heat-treatable bar stock with excellent seawater corrosion resistance and weldability, and it keeps high strength even after welding. Linsy supplies it in O, H111, H116, and H321 for marine, cryogenic, and pressure-equipment applications.<\/p>\n<p>\n<strong>Formul\u00e1rios dispon\u00edveis:<\/strong> round bar<br \/>\n<strong>Temperamentos comuns:<\/strong> O \/ H111 \/ H116 \/ H321<br \/>\n<strong>Suporte ao processamento:<\/strong> sawing \/ CNC machining \/ laser cutting \/ anodizing \/ polishing<br \/>\n<strong>Documentos de qualidade:<\/strong> Relat\u00f3rio MTC em cada pedido<\/p>","protected":false},"featured_media":9108,"template":"","meta":{"_seopress_titles_title":"5083 Round Bar | H32\/H111\/H116 | Marine Grade | Linsy","_seopress_titles_desc":"5083-H32\/H111\/H116 aluminum round bar from Linsy \u2014 marine-grade, weldable, seawater corrosion resistant. Diameter 6-400 mm, custom lengths. 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