{"id":9040,"date":"2025-09-01T01:57:40","date_gmt":"2025-09-01T01:57:40","guid":{"rendered":"https:\/\/premiumalu.com\/?post_type=product&#038;p=9040"},"modified":"2026-07-08T15:01:11","modified_gmt":"2026-07-08T15:01:11","slug":"barre-carree-en-aluminium-5052","status":"publish","type":"product","link":"https:\/\/premiumalu.com\/fr\/produit\/barre-carree-en-aluminium-5052\/","title":{"rendered":"Barre carr\u00e9e en aluminium 5052-H32\/H34"},"content":{"rendered":"<h2>What Is 5052 Aluminum Square Bar?<\/h2>\n<p>5052 aluminum square bar is a solid extruded or drawn product in the 5xxx (Al-Mg) series. Like all 5052 forms, it relies on strain hardening rather than precipitation heat treatment for its strength \u2014 meaning its mechanical properties depend on the temper designation (O, H32, H34) rather than a post-extrusion heat-treatment cycle.<\/p>\n<p>Square bar is specified when structural members need a uniform cross-section for machining brackets, support frames, or fixture components. Compared to round bar, square bar provides flat reference surfaces that simplify clamping and alignment during CNC machining operations.<\/p>\n<p>5052 square bar is governed by ASTM B221 (Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Shapes, and Tubes) for extruded product, or ASTM B211 for cold-finished bar.<\/p>\n<h2>Produits en aluminium 5052 disponibles<\/h2>\n<h3>Barre carr\u00e9e en aluminium 5052<\/h3>\n<p>Square bar is available in side-length dimensions from 6 mm to 100 mm. Standard lengths are 1\u20136 m (cut-to-length available). The most common tempers are H32 (for structural stiffness) and O (for maximum formability before machining).<\/p>\n<table>\n<tr>\n<th>Formulaire<\/th>\n<th>Temp\u00e9rer<\/th>\n<th>Side Length (mm)<\/th>\n<th>Longueur (m)<\/th>\n<\/tr>\n<tr>\n<td>Square Bar (extruded)<\/td>\n<td>O, H32, H34<\/td>\n<td>6\u2013100<\/td>\n<td>1\u20136 (coupe \u00e0 longueur)<\/td>\n<\/tr>\n<tr>\n<td>Square Bar (cold-finished)<\/td>\n<td>O, H32, H34<\/td>\n<td>6\u201380<\/td>\n<td>1\u20136 (coupe \u00e0 longueur)<\/td>\n<\/tr>\n<\/table>\n<h3>Autres formes de 5052 disponibles<\/h3>\n<p>Linsy also supplies 5052 in sheet, plate, round bar, flat bar, round tube, square tube, and wire. See individual product pages for dimension details.<\/p>\n<h2>Sp\u00e9cifications et d\u00e9signations \u00e9quivalentes<\/h2>\n<table>\n<tr>\n<th>Standard<\/th>\n<th>D\u00e9signation<\/th>\n<\/tr>\n<tr>\n<td>ASTM<\/td>\n<td>B221 (Extruded), B211 (Cold-finished)<\/td>\n<\/tr>\n<tr>\n<td>EN \/ AW<\/td>\n<td>EN AW-5052<\/td>\n<\/tr>\n<tr>\n<td>UNS<\/td>\n<td>A95052<\/td>\n<\/tr>\n<tr>\n<td>ISO<\/td>\n<td>Al Mg2.5Cr<\/td>\n<\/tr>\n<tr>\n<td>GB\/T<\/td>\n<td>3190 (5052 \/ LF2 ancienne d\u00e9signation)<\/td>\n<\/tr>\n<tr>\n<td>JIS<\/td>\n<td>A5052<\/td>\n<\/tr>\n<\/table>\n<h2>Composition chimique<\/h2>\n<p>Selon ASTM B221 et EN AW-5052. Valeurs en pourcentage pond\u00e9ral, maximum sauf si une plage est indiqu\u00e9e.<\/p>\n<table>\n<tr>\n<th>\u00c9l\u00e9ment<\/th>\n<th>Poids %<\/th>\n<\/tr>\n<tr>\n<td>Si<\/td>\n<td>0,25 max<\/td>\n<\/tr>\n<tr>\n<td>Fe<\/td>\n<td>0,40 max<\/td>\n<\/tr>\n<tr>\n<td>Cu<\/td>\n<td>0,10 max<\/td>\n<\/tr>\n<tr>\n<td>Mn<\/td>\n<td>0,10 max<\/td>\n<\/tr>\n<tr>\n<td>Mg<\/td>\n<td>2.2\u20132.8<\/td>\n<\/tr>\n<tr>\n<td>Cr<\/td>\n<td>0.15\u20130.35<\/td>\n<\/tr>\n<tr>\n<td>Zn<\/td>\n<td>0,10 max<\/td>\n<\/tr>\n<tr>\n<td>D'autres, chacun<\/td>\n<td>0,05 max<\/td>\n<\/tr>\n<tr>\n<td>Autres, total<\/td>\n<td>0,15 max<\/td>\n<\/tr>\n<tr>\n<td>Al<\/td>\n<td>Reste<\/td>\n<\/tr>\n<\/table>\n<h2>Propri\u00e9t\u00e9s m\u00e9caniques selon le traitement thermique<\/h2>\n<p>Typical room-temperature properties per ASM Handbook and ASTM B221\/B211. Values are nominal ranges; actual certificate values accompany each shipment.<\/p>\n<table>\n<tr>\n<th>Temp\u00e9rer<\/th>\n<th>UTS (MPa)<\/th>\n<th>Limite d'\u00e9lasticit\u00e9 (MPa)<\/th>\n<th>\u00c9longation %<\/th>\n<th>Duret\u00e9 (HB)<\/th>\n<\/tr>\n<tr>\n<td>O (recuit)<\/td>\n<td>180\u2013210<\/td>\n<td>55\u201370<\/td>\n<td>25\u201330<\/td>\n<td>~45<\/td>\n<\/tr>\n<tr>\n<td>H32<\/td>\n<td>210\u2013260<\/td>\n<td>175\u2013215<\/td>\n<td>10\u201316<\/td>\n<td>~60<\/td>\n<\/tr>\n<tr>\n<td>H34<\/td>\n<td>230\u2013280<\/td>\n<td>195\u2013240<\/td>\n<td>6\u201312<\/td>\n<td>~68<\/td>\n<\/tr>\n<\/table>\n<p><strong>Module d'\u00e9lasticit\u00e9 :<\/strong> 69,3 GPa (tous les \u00e9tats). <strong>Densit\u00e9 :<\/strong> 2,68 g\/cm\u00b3.<\/p>\n<h2>Guide de s\u00e9lection des temp\u00e9raments<\/h2>\n<p>Choosing the right 5052 square bar temper depends on whether your priority is machinability or structural stiffness.<\/p>\n<table>\n<tr>\n<th>Temp\u00e9rer<\/th>\n<th>Meilleur pour<\/th>\n<th>Compromis essentiel<\/th>\n<\/tr>\n<tr>\n<td>O<\/td>\n<td>Forming before final machining, maximum ductility for bending operations<\/td>\n<td>Lowest strength; surface may show tool marks more easily<\/td>\n<\/tr>\n<tr>\n<td>H32<\/td>\n<td>Structural brackets, marine support members, general CNC machining<\/td>\n<td>Good balance of strength (175 MPa yield) and machinability<\/td>\n<\/tr>\n<tr>\n<td>H34<\/td>\n<td>Load-bearing frames, fixture components requiring higher stiffness<\/td>\n<td>Higher yield (~195 MPa) but reduced ductility for secondary forming<\/td>\n<\/tr>\n<\/table>\n<h2>Caract\u00e9ristiques principales<\/h2>\n<h3>R\u00e9sistance \u00e0 la corrosion<\/h3>\n<p>5052 square bar shares the alloy&#8217;s well-known resistance to saltwater and marine atmospheres. The Mg and Cr content forms a stable oxide film that resists pitting in chloride environments. For structural brackets exposed to splash zones or humid coastal conditions, 5052 is significantly more durable than 6xxx alternatives.<\/p>\n<h3>Usinabilit\u00e9<\/h3>\n<p>In H32 and H34 tempers, 5052 square bar machines well with standard carbide tooling. It is not as free-cutting as 2011 (which contains lead) or 6262 (which contains Pb and Bi), but for general milling, drilling, and turning operations, 5052 produces acceptable surface finishes. Square bar&#8217;s flat reference surfaces simplify workholding and alignment.<\/p>\n<h3>Soudabilit\u00e9<\/h3>\n<p>All standard welding methods (MIG, TIG, resistance) work well with 5052. No pre- or post-weld heat treatment is required. Recommended filler: 5356 or 5556 for marine service; 4043 for non-marine structural applications.<\/p>\n<h2>Applications<\/h2>\n<p>5052 square bar is used where corrosion resistance and moderate strength are needed in a machinable solid section:<\/p>\n<ul>\n<li>Marine \u2014 structural brackets, hull reinforcement frames, davit components<\/li>\n<li>Chemical \u2014 tank support frames, equipment mounting brackets<\/li>\n<li>Pressure vessels \u2014 internal support structures (per ASME design codes)<\/li>\n<li>General machining \u2014 fixture bases, alignment bars, clamping blocks<\/li>\n<li>Architectural \u2014 handrail supports, awning brackets in coastal locations<\/li>\n<\/ul>\n<h2>Remarques concernant le traitement et la finition de surface<\/h2>\n<p><strong>Usinage CNC :<\/strong> H32 and H34 temper square bars machine well with standard carbide tooling. Use moderate cutting speeds and generous coolant for best surface finish. Avoid excessive feeds that cause built-up edge on softer O-temper stock.<\/p>\n<p><strong>D\u00e9coupe :<\/strong> Bandsaw, circular saw, and abrasive cut all work. For precision cut-to-length, CNC sawing with deburred ends is recommended.<\/p>\n<p><strong>Finitions de surface :<\/strong> Mill finish (as-extruded) is standard. Anodizing (clear or color) is available for decorative or corrosion-enhanced applications. Square bar surfaces anodize uniformly due to flat geometry.<\/p>\n<h2>Documents relatifs \u00e0 la qualit\u00e9 et contr\u00f4le qualit\u00e9<\/h2>\n<p>Linsy provides a Mill Test Certificate (MTC \/ 3.1) with every 5052 square bar shipment, documenting chemical composition and mechanical test results per the specified standard. Third-party inspection reports (e.g., SGS test reports) are available on request.<\/p>\n<p>La production est r\u00e9alis\u00e9e dans le cadre de syst\u00e8mes certifi\u00e9s ISO 9001, ISO 14001 et ISO 45001. Le d\u00e9lai de livraison standard pour les articles en stock : 10 \u00e0 15 jours ; dimensions personnalis\u00e9es ou \u00e9tats non standard : jusqu'\u00e0 60 jours.<\/p>\n<h2>Why Choose Linsy for 5052 Square Bar?<\/h2>\n<p>Linsy Aluminum has supplied 5xxx-series bar products for over 20 years to marine, chemical, and general fabrication customers worldwide.<\/p>\n<ul>\n<li>Certificat MTC (3.1) avec chaque commande \u2014 composition et propri\u00e9t\u00e9s m\u00e9caniques document\u00e9es<\/li>\n<li>O, H32, H34 tempers stocked in common side-lengths; custom sizes available on request<\/li>\n<li>Cut-to-length and custom-length options to reduce your downstream processing<\/li>\n<li>Emballage de protection (caisse en bois, cerclage en acier) selon ASTM B660 pour l'exp\u00e9dition mondiale<\/li>\n<\/ul>\n<h2>Ressources connexes<\/h2>\n<p>Explorez nos guides techniques pour l'aluminium 5052 :<\/p>\n<ul>\n<li><a href=\"https:\/\/premiumalu.com\/fr\/guide-ultime-de-laluminium-5052\/\">Le guide ultime de l'aluminium 5052<\/a><\/li>\n<li><a href=\"https:\/\/premiumalu.com\/fr\/votre-guide-de-laluminium-5052-h32\/\">Aluminium 5052 H32 : Un guide approfondi<\/a><\/li>\n<li><a href=\"https:\/\/premiumalu.com\/fr\/5052-h34-aluminum-sheet-ultimate-guid\/\">Guide ultime de la t\u00f4le d'aluminium 5052 H34<\/a><\/li>\n<li><a href=\"https:\/\/premiumalu.com\/fr\/5052-vs-6061-aluminum-the-ultimate-gu\/\">Aluminium 5052 ou 6061 : Le guide ultime<\/a><\/li>\n<li><a href=\"https:\/\/premiumalu.com\/fr\/marine-aluminum-plate-5052-vs-5083-ma\/\">Plaque en aluminium marin : 5052 vs 5083<\/a><\/li>\n<\/ul>\n<h2>5052 Aluminum Square Bar FAQ<\/h2>\n<p><strong>Q: What is the difference between 5052 square bar and 5052 flat bar?<\/strong><br \/>A: Square bar has equal sides (e.g., 25\u00d725 mm), providing symmetrical stiffness in all directions. Flat bar has unequal sides (e.g., 25\u00d76 mm), offering higher bending stiffness in one direction. Choose square for structural frames; choose flat for brackets and stiffening ribs.<\/p>\n<p><strong>Q: Can 5052 square bar be heat treated for higher strength?<\/strong><br \/>A: No. 5052 is a non-heat-treatable alloy \u2014 its strength comes from strain hardening (cold work), not precipitation. You can only change strength by selecting a different temper (O, H32, H34).<\/p>\n<p><strong>Q: Is 5052 square bar suitable for marine structural brackets?<\/strong><br \/>A: Yes. 5052-H32 square bar is commonly specified for marine brackets, davit frames, and hull reinforcement due to its saltwater corrosion resistance and adequate yield strength (~175 MPa).<\/p>\n<h2>FAQ g\u00e9n\u00e9rale sur les commandes<\/h2>\n<p><strong>Q : Quelle est la quantit\u00e9 minimale de commande ?<\/strong><br \/>A : Des quantit\u00e9s minimales de commande faibles pour les articles standards en stock. Contactez notre \u00e9quipe commerciale pour les seuils sp\u00e9cifiques.<\/p>\n<p><strong>Q: Can I order custom side lengths?<\/strong><br \/>A: Yes \u2014 custom extrusion profiles and non-standard side lengths are available on request, with lead times up to 60 days.<\/p>\n<p><strong>Q : \u00c0 quel d\u00e9lai de livraison dois-je m\u2019attendre ?<\/strong><br \/>A : Articles en stock : 10 \u00e0 15 jours. Dimensions personnalis\u00e9es ou trempes non standard : jusqu\u2019\u00e0 60 jours.<\/p>","protected":false},"excerpt":{"rendered":"<p>5052 aluminum square bar is a non-heat-treatable Al-Mg alloy offering excellent saltwater corrosion resistance, good weldability, and moderate strength. Supplied in O, H32, and H34 tempers, it is widely used for marine structural members, chemical equipment supports, and general machining applications where corrosion resistance is required.<\/p>\n<p><strong>Formulaires disponibles :<\/strong> bar (round \/ square \/ flat) \/ sheet \/ plate \/ tube \/ wire<br \/><strong>Temp\u00e9raments courants :<\/strong> O \/ H32 \/ H34<br \/><strong>Assistance technique :<\/strong> CNC machining \/ cutting \/ drilling \/ welding<br \/><strong>Documents relatifs \u00e0 la qualit\u00e9 :<\/strong> Rapport MTC joint \u00e0 chaque commande<\/p>","protected":false},"featured_media":9073,"template":"","meta":{"_seopress_titles_title":"5052 Aluminum Square Bar (O, H32, H34) Supplier | ASTM B221 Certified","_seopress_titles_desc":"5052 aluminum square bar in O, H32, H34 tempers \u2014 ASTM B221 certified, MTC with every order. Saltwater corrosion resistant, weldable, cut-to-length. 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