
What Specifications Are Necessary for a Successful Aluminium Extrusion Order?
1. Aluminium Profiles Technical Drawing & Design Requirements
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Is there a detailed CAD drawing available for the aluminium profile?
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Does the drawing specify critical parameters including:
✓ Aluminium alloy grade (e.g., 6060, 6061, 6063, 6082)
✓ Weight per meter (kg/m) with ±2% tolerance
✓ Dimensional tolerances (ISO 286 or DIN 17615)
✓ Visible surface requirements (A, B, or C surfaces per EN 755-9)
✓ Critical interfaces/connection points
2. Manufacturing & Quality Standards
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Which international standards will govern the production?
✓ EN 755 (European extrusion standards)
✓ ASTM B221 (US standards)
✓ GB/T 5237 (Chinese standards) -
Are there additional certifications required? (e.g., ISO 9001, Qualicoat for coatings)
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Will the profiles undergo mechanical testing? (Tensile strength, hardness tests per EN 10002)
3. Order & Usage Specifications
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Total order length: Full mill length (6m standard) or cut-to-size?
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Final usage length: Required precision (±0.5mm?) for assembly
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Annual aluminium volume: Estimated tons/year for production planning
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Surface treatments:
✓ Press finish (mill finish acceptable?)
✓ Powder coating (RAL color code?)
✓ Anodizing (Type II/III, thickness in microns?)
✓ Machining allowances (post-extrusion CNC work?)
✓ Hanger mark restrictions (visible surfaces?)
4. Packaging & Logistics
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Protective packaging requirements:
✓ Wooden crates vs. cardboard/plastic wrapping
✓ Anti-corrosion VCI foil for marine transport
✓ Edge protectors for precision surfaces -
Unit load details:
✓ Bundling weight limits (max. 1 ton/bundle?)
✓ Stacking restrictions
For more information or to request a customized solution for your project, please don’t hesitate to contact us.


