6063 Aluminum Alloy Sheet
6063 Aluminum Alloy Sheet manufacturers offer sheets with thicknesses ranging from 0.3mm to 600mm, widths from 500-2650mm, and custom lengths available. Standard sizes include 1220×2440mm and 1500×3000mm. Leading China aluminum sheet manufacturers can supply O, T4, T6, T651, and H112 tempers, supporting lamination, leveling, slitting, and non-standard size processing, suitable for architectural decoration and industrial structural applications.
6063 Aluminum Alloy Sheet belongs to the Al-Mg-Si system of heat-treatable and wrought aluminum alloys, often referred to as "architectural profile alloys." It uses aluminum as the base material, with silicon (0.20-0.60%) and magnesium (0.45-0.9%) as the main alloying elements. The strengthening phase is Mg₂Si, and different strength states can be obtained through heat treatment. Compared to 6061, it prioritizes extrudability and surface quality. While its strength is slightly lower, it offers superior appearance after processing and anodizing, making it the most commonly used extrusion material among 6-series alloys.
Technical Highlights
Excellent Extrudability: Suitable for processing profiles with complex cross-sections
Good Corrosion Resistance: Particularly suitable for outdoor and humid environments
Good Surface Treatability: Can be anodized to achieve a smooth, aesthetically pleasing finish
Moderate Strength: Lower strength than 6061, but offers superior toughness and formability
Excellent Weldability: Compatible with various welding processes
Mechanical Properties (Comparison Table of Different Tempers)
|
State |
Tensile strength (MPa) |
Yield strength (MPa) |
Elongation (%) |
Brinell Hardness (HB) |
Features: |
|
O (Annealed) |
130～180 |
≥55 |
≥20 |
30～40 |
Optimal plasticity, easy to bend and shape, suitable for complex processing |
|
T4 (Solution + Natural Aging) |
180～240 |
≥110 |
≥12 |
50～60 |
Moderate strength, good weldability, suitable for components requiring further processing |
|
T6 (Solution + Artificial Aging) |
240～265 |
≥215 |
≥8 |
70～80 |
Highest strength, best hardness, suitable for load-bearing structures |
|
T651 (Stress-Relieved) |
240～265 |
≥215 |
≥8 |
70～80 |
Good dimensional stability, strong resistance to deformation, suitable for precision components |
|
H112 (Hot-Rolled) |
≥145 |
≥70 |
≥12 |
40～50 |
Good machinability, suitable for medium and heavy plate structural components |
Selection Recommendations
Architectural Decoration/Appearance Components: Prioritize T6 temper 6063 Aluminum Alloy Sheet for optimal strength and surface finish.
Complex Forming/Welding Parts: Select O or T4 temper for better plasticity and weldability.
Precision Structural Parts: Select T651 temper to eliminate internal stress and ensure high dimensional stability.
Medium-Thick Plate Structures: Select H112 temper for a balance between machinability and mechanical properties.
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