5005 h34 aluminium sheet
5005 H34 aluminium sheet is a corrosion-resistant, medium-strength aluminum-magnesium alloy sheet, supplied in a strain-hardened and stabilized temper (H34). It is widely chosen when customers need a clean appearance, reliable forming performance, and excellent behavior in outdoor or chemically mild environments. In practice, 5005 H34 sits in a sweet spot: it offers better strength than fully annealed sheet while still retaining good workability, making it a dependable choice for architectural skins, appliance panels, enclosures, and decorative metalwork.
5005 belongs to the 5xxx series (Al-Mg alloys). Magnesium is the element, improving corrosion resistance and giving moderate strength without relying on heat treatment.
H34 temper indicates the sheet is work-hardened and then stabilized. Stabilization helps reduce the risk of property drift over time and can improve consistency in forming and flatness compared with a simple strain-hardened condition.
Features at a Glance
| Feature | Customer Value | Typical Result in Use |
|---|---|---|
| Excellent corrosion resistance | Longer service life outdoors and in mild chemical exposure | Reliable for building exteriors, trims, signage backers |
| Uniform surface and good finishing response | Attractive appearance and consistent coating quality | Great for anodizing (best in controlled batches), painting, powder coating |
| Medium strength with good formability | Stronger than soft tempers, still bendable | Stable panels, formed covers, housings |
| Good weldability | Fabrication flexibility | Commonly joined by MIG/TIG with appropriate filler |
| Good thermal and electrical conductivity | Functional performance in general sheet uses | Enclosures, reflective components, heat-spreading panels |
Chemical Composition (Typical Limits)
The composition controls corrosion behavior, anodizing response, and baseline mechanical performance. Values below reflect common specification limits used across major standards; exact limits can vary slightly by region or standard.
| Element | Typical Limit (%) |
|---|---|
| Magnesium (Mg) | 0.50–1.10 |
| Silicon (Si) | ≤ 0.30 |
| Iron (Fe) | ≤ 0.70 |
| Copper (Cu) | ≤ 0.20 |
| Manganese (Mn) | ≤ 0.20 |
| Zinc (Zn) | ≤ 0.25 |
| Chromium (Cr) | ≤ 0.10 |
| Titanium (Ti) | ≤ 0.20 |
| Others (each) | ≤ 0.05 |
| Others (total) | ≤ 0.15 |
| Aluminum (Al) | Balance |
Practical note: 5005 is often selected for clean decorative surfaces. For highly appearance-sensitive anodized finishes, customers typically control sheet sourcing and lot consistency to reduce color variation.
Mechanical Properties (Typical for H34)
Mechanical values depend on thickness, processing route, and standard. The table below provides commonly expected ranges for 5005 H34 sheet.
| Property | Typical Range |
|---|---|
| Tensile strength (UTS) | 170–220 MPa |
| Yield strength (0.2% proof) | 125–180 MPa |
| Elongation (A50) | 4–12% |
| Brinell hardness (HBW) | ~50–70 |
What this means for customers: H34 gives a noticeable stiffness and dent resistance improvement over annealed sheet, while still allowing typical bending and light-to-moderate forming operations.
Physical Properties (Typical)
| Property | Typical Value |
|---|---|
| Density | ~2.70 g/cm³ |
| Thermal conductivity | ~200 W/m·K (order of magnitude) |
| Electrical conductivity | ~50–55% IACS (typical range) |
| Modulus of elasticity | ~69 GPa |
| Melting range | ~600–650 °C |
Technical Specifications and Supply Options
5005 H34 is commonly stocked in coil or cut-to-length sheet. Final supply ranges depend on mill capability and finishing requirements.
| Parameter | Common Supply Range / Notes |
|---|---|
| Thickness | ~0.5–6.0 mm commonly stocked; wider range available by order |
| Width | Typically up to ~1500–2000 mm depending on mill |
| Length | Cut-to-length or coil; custom lengths available |
| Surface finishes | Mill finish, brushed, coated-ready, sometimes pre-painted |
| Protective film | Optional PE/PVC film for cosmetic protection |
| Flatness | Controlled by processing; tighter flatness available for panel applications |
| Standards | Commonly aligned to ASTM/EN/JIS practices depending on region |
Corrosion Resistance and Outdoor Performance
5005 is valued for natural corrosion resistance, especially in atmospheric exposure. Magnesium helps form a stable oxide film, making it suitable for:
| Environment | Expected Performance |
|---|---|
| Indoor dry environments | Excellent |
| Outdoor urban/rural exposure | Excellent |
| Mild industrial atmosphere | Good to excellent with suitable finish |
| Marine/coastal | Good; protective coating recommended for long life |
| Strong acids/alkalis | Not recommended without engineering review and protection |
When long-term exterior appearance matters, customers often pair 5005 H34 with powder coating or PVDF coating, especially for architectural cladding.
Forming and Fabrication Behavior
5005 H34 is often selected for parts that require controlled forming without excessive springback or surface marking.
| Process | Suitability | Notes |
|---|---|---|
| Bending | Good | Use appropriate bend radius; H34 is stronger than annealed, so allow for springback |
| Stamping / light forming | Good | Optimize lubrication and tooling finish to protect cosmetic surfaces |
| Deep drawing | Moderate | For demanding draws, consider softer temper options depending on geometry |
| Machining | Fair | Use sharp tools; chip control is moderate |
| Welding (MIG/TIG) | Excellent | Common fillers include 5356/5183 depending on requirements; confirm with welding procedure |
| Adhesive bonding | Good | Surface prep is critical for durable bonds |
Surface Finish, Painting, and Anodizing
5005 is popular where the sheet is seen, not hidden.
| Finish Route | Performance | Best Use |
|---|---|---|
| Mill finish | Clean, economical | Internal panels, hidden structural skins |
| Brushed / satin | Attractive, modern | Trims, appliance panels, decorative covers |
| Powder coating | Durable, uniform | Enclosures, building panels, equipment housings |
| PVDF coating | Premium outdoor durability | Architectural facades, curtain wall elements |
| Anodizing | Good, often bright and clean | Signage, trims, decorative panels; manage lot-to-lot color consistency |
For demanding color match in anodized parts, customers commonly specify consistent processing routes, same mill source, and controlled surface quality.
Typical Applications
5005 H34 is a practical "workhorse" for visible sheet metal components that must resist corrosion and keep their shape.
| Application Area | Typical Products | Why 5005 H34 Works |
|---|---|---|
| Architecture & construction | Facade panels, soffits, interior wall panels, trims | Corrosion resistance, stable temper, coating/anodizing friendliness |
| Signage & displays | Sign back panels, light boxes, frames | Good appearance, easy fabrication, outdoor durability |
| Appliances & consumer goods | Decorative panels, covers, housings | Clean finish, moderate strength, consistent forming |
| Electrical & electronic enclosures | Cabinets, panels, covers | Corrosion resistance, conductivity, good finishing |
| Transportation interiors | Panels, trim components | Lightweight, formable, surface quality |
How to Specify 5005 H34 Correctly
Clear ordering details reduce lead time and ensure the sheet performs as expected.
| Item to Specify | Why It Matters |
|---|---|
| Alloy and temper: 5005 H34 | Defines corrosion behavior and strength/formability balance |
| Thickness, width, length | Determines flatness control, forming outcomes, cost |
| Surface requirement | Mill finish vs brushed vs coating-ready affects processing steps |
| Protective film | Prevents scratches during fabrication and handling |
| Flatness tolerance | Critical for wide panels, cladding, and cosmetic assemblies |
| End use and finish plan | Helps select surface quality level and compatibility with coating/anodizing |
5005 H34 aluminium sheet delivers a highly useful combination of corrosion resistance, attractive surface potential, and stable medium strength. It fits customers who want a sheet that forms reliably, finishes beautifully, and stands up to real-world exposure-especially in architectural, signage, enclosure, and appliance applications. When paired with the right surface finish and clear ordering specifications, 5005 H34 becomes a fast, dependable material choice that supports both performance and appearance.
