5-Step Guide to Selecting 4040 Extruded Aluminium Profile Suppliers
Core Requirements for Quality Extrusions
The 4040 aluminum extrusion profile (40mmx40mm) demands strict compliance with:
- Material: 6063-T5/6061-T6 alloys
- Tensile Strength: ≥260MPa
- Surface Treatment: 10μm+ anodizing
Supplier Verification Checklist
Essential Certifications
- Valid ISO 9001 certification
- Aluminum extrusion production license
- Environmental compliance records
Production Capabilities
- 1800+ ton extrusion presses
- Automated aging ovens
- 300+ tons/month output capacity
Quality Assurance
- Raw material chemical analysis
- Real-time dimensional monitoring
- 72-hour salt spray testing
Critical On-Site Checks
- Observe mold change frequency
- Verify temperature control systems
- Inspect finished product storage conditions
Risk Management Tips
- Require product liability insurance
- Implement aluminum price-linked contracts
- Maintain 2+ backup suppliers
Top Industry Trends
- Demand for pre-assembled framing systems
- Eco-friendly anodizing processes
- AI-driven quality inspection