3000 Series 3105 Anodized Aluminum Coil For Refrigerator Panels
3105 is a manganese (Mn)-based aluminum alloy known for its excellent formability, corrosion
resistance, and moderate strength, making it a cost-effective choice for commercial applications.
Anodized 3105 aluminum alloy has become the material of choice for premium refrigerator panels
due to its exceptional combination of properties and performance characteristics.
Standard Thickness
Range: 0.5mm～1.2mm
Main door panel: 0.8～1.0mm (optimizes strength-to-weight ratio)
Decorative trims/handles: 0.5～0.7mm (for bending/formability)
Oversized panels: 1.0～1.2mm (prevents warping)
Recommended Tempers
H14/H24 (Half-hard):
Tensile strength: 150～200 MPa
Elongation: 4%～8%
Balances formability and flatness, ideal for stamping/roll coating
Performance Advantages
| Property | Benefits |
| Surface Quality | Mirror finish (Ra≤0.2μm) after anodizing, fingerprint-resistant |
| Corrosion Resistance | Anodized layer + sealing passes 500h salt spray test (Grade 9+) |
| Lightweight | Density 2.73g/cm³ (35% lighter than stainless steel) |
| Formability | 180° bending (R≥1t) achievable in H14 temper without cracking |
| Color Stability | ΔE＜1.5 after 10 years UV exposure (electrolytic coloring) |
Color Options:
Standard: Silver (natural anodized)
Trendy: Champagne gold/Titanium gray (electrolytic coloring)
Cost Comparison
3105 anodized vs 304 stainless steel: 40% cost reduction
vs Painted steel: 20% higher initial cost but 2x longer lifespan
Typical Applications
Premium French-door refrigerators by Haier, Midea, etc.
Our Company Advantages
• All the melting and holding furnaces are supplied by GAUTSCHI (Switzerland) Company.They
improve the quality of Aluminum alloy slab which can guarantee Aluminium alloy products with
high performance.
• 1+1+4 hot rolling mills and 1+5 hot rolling mills from SMS Group (Germany). All the hot finishing
rolling mills adopt the CVC flatness control technology, which can produce hot-rolled coils and sheets
with ideal flatness.
• 6 sets of cold rolling mills from SMS Group (Germany). All these mills are applied with SMS patent
6-High CVC technology and are the most advanced cold rolling mills in the world currently.
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3000 Series 3105 Anodized Aluminum Coil For Refrigerator Panels Images
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