{"product_id":"aluminum-6063-t52-hollow-rectangular-bar-4in-x-4in-durable-extruded","title":"Aluminum 6063-T52 Hollow Rectangular Bar 4in x 4in - Durable Extruded","description":"\u003cp\u003eIn this review the Aluminum 6063-T52 Hollow Rectangular Bar is evaluated for fabricators, builders and hobbyists who need a clean, extrudable structural tube. The bottom line: it is best for projects that require a lightweight, corrosion-resistant profile with a high-quality surface finish and predictable dimensions. For anyone needing a strong, weldable rectangle for door and window frames, railings, or heatsinks, this bar delivers reliable material properties and good value without unnecessary frills.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion resistance:\u003c\/strong\u003e The 6063-T52 alloy offers good resistance to general corrosion, making it suitable for indoor and sheltered outdoor use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeldability:\u003c\/strong\u003e It is easily welded or brazed, which helps when joining frames, railings or custom assemblies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtrudability and finish:\u003c\/strong\u003e High extrudability yields straight runs and a high quality surface finish that reduces post-machining time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructural dimensions:\u003c\/strong\u003e The 4in x 4in with 1\/4in wall thickness provides a useful balance of stiffness and light weight for furniture, conduit, and supports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical strength:\u003c\/strong\u003e A minimum tensile strength of 22 ksi gives predictable performance for non-critical structural uses and fittings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile uses:\u003c\/strong\u003e Common applications include door and window frames, electrical components, railings, and heatsinks where good thermal and corrosion behavior matter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis bar is aimed at metal fabricators, builders, makers and DIYers who need a reliable rectangular aluminum tube in a standardized length and wall thickness. It suits projects where a clean finish, ease of welding and consistent dimensions are more important than maximum structural capacity.\u003c\/p\u003e\n\u003cp\u003eIt is not intended for primary structural members in heavy load-bearing installations or highly abrasive outdoor exposures without appropriate surface protection. Customers needing thicker walls, exotic alloys or certified high-strength fittings should consider other alloys or steel alternatives.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGood corrosion resistance for many architectural and interior uses.\u003c\/li\u003e\n\u003cli\u003eEasy to weld or braze, simplifying assembly and repairs.\u003c\/li\u003e\n\u003cli\u003ePrecision dimensions and a smooth sanded finish reduce fit-up time for projects.\u003c\/li\u003e\n\u003cli\u003eVersatile for railings, frames, heatsinks and furniture thanks to its extrudability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome customers report occasional dings or scratches on delivery, so careful inspection on receipt is advised.\u003c\/li\u003e\n\u003cli\u003eFit can be tight for certain pre-existing openings, so verify dimensions before final installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlloy\u003c\/td\u003e\n\u003ctd\u003eAluminum 6063-T52\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eAMS QQ-A-200\/9, ASTM B221\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter size\u003c\/td\u003e\n\u003ctd\u003e4in x 4in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall thickness\u003c\/td\u003e\n\u003ctd\u003e1\/4in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e36in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTensile strength\u003c\/td\u003e\n\u003ctd\u003eMin 22 ksi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Aluminum 6063-T52 Hollow Rectangular Bar is a practical choice for fabricators and hobbyists who need a clean extruded profile with good corrosion resistance and easy weldability. It represents solid value for non-critical structural and architectural uses where dimensional accuracy and surface quality matter more than maximum strength.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs this bar weldable?\u003c\/strong\u003e\u003cbr\u003eYes, the 6063-T52 alloy is easily welded or brazed for typical frame and railing assemblies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it resist outdoor corrosion?\u003c\/strong\u003e\u003cbr\u003eIt has good resistance to general corrosion and is suitable for sheltered outdoor use, though harsher environments may need additional protection.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre dimensions precise enough for tight fits?\u003c\/strong\u003e\u003cbr\u003eDimensions are generally precise and customers report accurate sizing, but some have found tight fits so measure openings before installation.\u003c\/p\u003e","brand":"Online Metals","offers":[{"title":"Default Title","offer_id":48607646023899,"sku":"B003U6IA5S","price":159.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81y8XcuP6UL._AC_SL1500_844835ea-23f9-4975-ab56-af95a1d82eb1.jpg?v=1778582982","url":"https:\/\/gearmusthave.com\/products\/aluminum-6063-t52-hollow-rectangular-bar-4in-x-4in-durable-extruded","provider":"GearMustHave","version":"1.0","type":"link"}