Product Details:
| Shape | Customize |
| Length | Customisable |
| Size | Customize |
| Brand | Bestent |
| Pattern | Customize |
| Thickness | Customize |
| Country of Origin | Made in India |
An aluminum extrusion specification details its dimensions (profile shape, size, and cross-sectional properties like inertia and modulus), material grade (e.g., 6061, 6063), temper (heat treatment status), tolerances (for straightness, flatness, and dimensions), surface finish, and other mechanical properties (strength, hardness) relevant to its intended use. Key factors influencing the specification include the application's load-bearing needs, required formability, and environmental exposure.
Key components of an aluminum extrusion specification:
- Profile Design:
- Cross-section dimensions: The exact height, width, and thickness of the profile, such as 30mm x 30mm or 20mm x 40mm.
- Slot size: For T-slot profiles, the specific width and height of the slot are critical for matching fasteners.
- Mass of Inertia (Ix, Iy): Indicates the extrusion's resistance to bending in different directions.
- Section Modulus (Zx, Zy): A measure of structural stiffness.
- Material Grade:
- Common alloys include 6061 and 6063, chosen for their balance of strength and workability.
- 7000 series: alloys offer higher strength for heavy-load applications.
- Mechanical Properties:
- Strength and Formability: High-strength alloys are needed for heavy loads, while others with better formability are used for complex shapes.
- Hardness: Measured values like HV (Vickers hardness) are specified for applications requiring specific wear resistance.
- Tolerances:
- Dimensional Tolerances: Allowable deviations from the specified dimensions for length, width, and thickness.
- Straightness Tolerance: The maximum allowable bow or waviness in the extrusion, often specified as a deviation per unit length.
- Flatness and Parallelism: Specified tolerances for how flat surfaces or parallel faces of the extrusion must be.
- Surface Finish:
- Ra (Roughness Average): A quantitative measure of surface texture, such as Ra ≤ 0.3 micron, indicating a very smooth surface.
- Application & Environment:
- Load-Bearing Needs: Higher load requirements necessitate profiles with greater strength and size, like 8020 or 4040 profiles.
- Environmental Conditions: The extrusion's use in corrosive or cleanroom environments will influence material choice and surface treatment.
- Heat Treatment (Temper):
- The extrusion's state after heat treatment, such as "T5" or "T6", which affects its final mechanical properties and strength.
