5005 — Aluminium Grade Specification, Properties & Equivalents

India's industrial landscape relies heavily on versatile aluminium alloys like 5005. This mid-strength, non-heat-treatable alloy, belonging to the 5xxx series, offers excellent corrosion resistance, good formability, and a pleasing aesthetic finish, making it a preferred choice for numerous applications. For Indian buyers, procurement engineers, and fabricators, understanding the specific attributes of 5005 is crucial for optimising production and ensuring product quality. The alloy finds significant use in architectural applications, specifically for anodised products due to its uniform surface finish, which is critical in signage and decorative elements. Its good weldability also contributes to its utility in fabrication processes across various sectors in India. Sourcing 5005 reliably from Indian manufacturers and distributors ensures consistent supply chains for critical projects nationwide.

Chemical Composition of 5005

Aluminium 5005 Chemical Composition

Mechanical Properties of 5005

Aluminium 5005 Mechanical Properties

Aluminium 5005 Available Forms in India

Aluminium 5005 Real-world Applications

• Signage: Anodised sheets for durable, aesthetic road and advertising signs.
• Architectural Extrusions: Window frames, door frames, and decorative trims requiring good finish.
• Automotive: Interior trim components and decorative panels.
• Industrial Equipment: Casings and components not subjected to extreme stress.
• Appliances: Housings and decorative elements for consumer goods.
• Heat Exchangers: Components requiring good thermal conductivity and corrosion resistance.
• Marine Exteriors: Trim and decorative elements where moderate corrosion resistance is needed.
• Cookware: Certain types of cooking utensils.

Aluminium 5005 Machinability & Weldability

The machinability of Aluminium 5005 is considered fair. While it can be machined, its tendency to produce stringy chips requires careful consideration of cutting parameters to avoid tool loading and ensure a good surface finish. For operations like drilling and milling on 5005, carbide or high-speed steel tooling is recommended, utilizing shallow depths of cut and moderate feed rates. Lubrication, preferably a soluble oil or dry machining with effective chip evacuation, is advised. Welding of 5005 is readily achievable using standard methods like TIG and MIG welding. The recommended filler alloy for MIG welding is typically 5556 or 5356, and for TIG, 5356 is preferred to achieve optimal joint strength and corrosion resistance, particularly when the weld will be anodised. Post-weld heat treatment is generally not applied to 5005 as it is a non-heat-treatable alloy; the weld and heat-affected zone will revert to a naturally aged, softer condition. It's crucial to ensure the base material and filler are clean before welding to prevent defects in the 5005 joints.

Aluminium 5005 Heat Treatment & Processing

Aluminium alloy 5005 is a non-heat-treatable alloy, meaning its strength is derived from cold working (strain hardening) rather than thermal treatments. Therefore, processes like annealing, hardening, or tempering in the conventional sense are not applicable for strengthening 5005. If a softer temper is required for forming operations, annealing can be performed. For wrought 5005, annealing typically involves heating to temperatures between 350°C and 450°C, holding for a specified time (depending on thickness, usually 30-60 minutes per inch of thickness), and then cooling slowly. This process relieves the stresses induced by cold working, restoring ductility. Reheating 5005 alloy above its annealing temperature will not induce hardening. The commonly supplied tempers for 5005 in India are H12, H14, and H16, reflecting various degrees of cold work. Fabricators working with 5005 should focus on achieving desired forms through appropriate cold working techniques and employ annealing only to facilitate further deformation or stress relief, understanding that 5005 cannot be hardened by heat treatment.

Sourcing Aluminium 5005 in India

Aluminium 5005 is readily available across major industrial hubs in India, with significant sourcing options in Mumbai, Pune, and Chennai. Leading Indian producers such as Hindalco, Nalco, and Vedanta, alongside various smaller rolling mills and extruders, manufacture 5005 alloy. Procurement often involves direct sourcing from mills for large quantities or through established distributors for consolidated orders. Minimum Order Quantities (MOQs) can vary, with larger mill runs potentially requiring several tonnes, while distributors may cater to smaller, project-specific needs starting from 50-100 kgs for sheets and profiles. The price band for Aluminium 5005 in India typically ranges from INR 220/kg to INR 280/kg, depending on the form (sheet, coil, extruded profile), temper, thickness, and prevailing market LME Aluminium rates. Buyers should expect to receive a Material Test Certificate (MTC) with composition and mechanical property data conforming to IS standards for all genuine supplies of 5005.

Aluminium 5005 International Equivalents

FAQs about 5005