Aluminum sheet metal 4×8 is one of the most common and versatile sizes used in manufacturing, construction, decoration, and transportation. It combines lightweight strength, corrosion resistance, and easy processing — making it ideal for both industrial and DIY projects.





What Is Aluminum Sheet Metal 4×8?
A 4×8 aluminum sheet means the panel measures 4 feet (1220mm) wide and 8 feet (2440mm) long.
It’s a standard size in the metal industry, widely available in various thicknesses and alloys.
| Specification | Details |
|---|---|
| Width | 4 feet (1220 mm) |
| Length | 8 feet (2440 mm) |
| Thickness | 0.3mm – 10mm |
| Common Alloys | 1100, 3003, 5052, 6061 |
| Surface Finish | Mill finish, brushed, anodized, painted |
| Temper | H14, H32, T6 |
Popular Aluminum Alloys for 4×8 Sheets
Each alloy type has different mechanical and chemical properties:
| Alloy | Key Features | Applications |
|---|---|---|
| 1100 Aluminum Sheet | Soft, excellent corrosion resistance | Signage, decoration, reflectors |
| 3003 Aluminum Sheet | Good formability and weldability | Roofing, siding, utensils |
| 5052 Aluminum Sheet | High strength, marine-grade corrosion resistance | Boat panels, fuel tanks |
| 6061 Aluminum Sheet | Strong, heat-treatable, durable | Machinery, automotive, frames |
Thickness and Weight Chart (4×8 Aluminum Sheet)
| Thickness (in) | Approx. Weight per Sheet (lbs) |
|---|---|
| 0.025″ | 8.5 lbs |
| 0.040″ | 13.6 lbs |
| 0.063″ | 21.4 lbs |
| 0.125″ (1/8″) | 42.8 lbs |
| 0.190″ (3/16″) | 65 lbs |
Note: Weights are approximate and vary slightly by alloy.
Common Surface Finishes
| Finish Type | Appearance | Best Use |
|---|---|---|
| Mill Finish | Raw metallic look | Industrial use |
| Brushed | Matte, decorative texture | Interior design |
| Anodized | Colored protective layer | Outdoor, architectural |
| Painted | Custom color coating | Commercial panels, signage |
Applications of Aluminum Sheet Metal 4×8
Aluminum 4×8 sheets are used across many industries due to their easy cutting and shaping characteristics:
- Construction: Roofing, wall cladding, ceiling panels
- Transportation: Truck trailers, vehicle body panels
- Decorative: Signboards, display panels, furniture
- Industrial: Machinery covers, equipment housings
- Marine: Boat interiors, deck flooring
- DIY Projects: Custom signs, craftwork, garage tools
Advantages of 4×8 Aluminum Sheet
- Lightweight yet strong
- Resistant to rust and corrosion
- Easy to cut, bend, and weld
- Long service life with low maintenance
- Recyclable and eco-friendly
Price of Aluminum Sheet Metal 4×8
The cost of a 4×8 aluminum sheet depends on thickness, alloy, and surface treatment.
| Alloy | Thickness (mm) | Approx. Price (USD / Sheet) |
|---|---|---|
| 1100 | 1.0 mm | $45 – $60 |
| 3003 | 1.2 mm | $55 – $70 |
| 5052 | 2.0 mm | $85 – $110 |
| 6061 | 3.0 mm | $95 – $130 |
Prices may fluctuate with raw aluminum costs and local supplier rates.
FAQs About Aluminum Sheet Metal 4×8
Q: What is the size of a 4×8 aluminum sheet in mm?
A: 1220mm x 2440mm — a standard industry size.
Q: Can I cut a 4×8 aluminum sheet at home?
A: Yes. Use a circular saw with a metal-cutting blade or tin snips for thin sheets.
Q: Is aluminum sheet metal rustproof?
A: Yes, aluminum naturally resists rust and corrosion.
Q: What thickness should I choose?
A: For decoration, use 0.5–1mm; for structural work, 2–6mm is better.
Q: Can I paint aluminum sheet metal?
A: Yes. Use an etching primer before painting for better adhesion.
Aluminum Sheets Metal For Sale
A 4×8 aluminum sheet offers durability, beauty, and workability for countless uses — from industrial structures to creative DIY projects.
When selecting, always check alloy type, thickness, and surface finish for your specific needs.