Qualité Chinese Standard 3A21 Aluminum Alloy Plate with High Corrosion Resistance Superior Formability and Lightweight for Engineering Usine
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Qualité Chinese Standard 3A21 Aluminum Alloy Plate with High Corrosion Resistance Superior Formability and Lightweight for Engineering Usine
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Chinese Standard 3A21 Aluminum Alloy Plate with High Corrosion Resistance Superior Formability and Lightweight for Engineering

Nom de marque: Factory Direct Supply
Numéro de modèle: 3A21
Lieu d'origine: Autre
Certification: ISO 9001
Quantité de commande minimale: 1
Prix: negotiable
Capacité à fournir: Production adéquate

Détails de produit


Nom du produit: Plaque en alliage d&#39;aluminium 3A21 Standard: ASTM
Couleur: Couleur personnalisée Forme: Carré
échantillon: Disponible Matériel: Alliage d&#39;aluminium
code de tête: Carré Avantage: Haute résistance à la corrosion

Description de produit

Chinese Standard 3000 Series 3A21 Aluminum Alloy Plate For Engineering And Manufacturing
Chinese Standard 3000 Series 3A21 aluminum alloy plate (also known as LF21) is a high-performance Al-Mn based anti-rust aluminum compliant with GB/T 3190-2020 standards, equivalent to international grade 3003. As the most widely used anti-rust aluminum in the 3xxx series, it features a balanced combination of excellent corrosion resistance, superior formability, reliable weldability and moderate strength, making it a preferred material for engineering and manufacturing projects with strict requirements for lightweight and durability.
Product Name 3A21 Aluminum Alloy Plate Keyword Aluminum Sheet 2.0mm Thick
Technique Cold Rolled Certification ISO 9001
Standard ASTM Grade 3000 Series
Type Plate Application Decoration, Automotive Field, Marine industry
Delivery Time 8 ~ 14 days Material 3A21
Size Customized Customized support OEM, ODM
Model Number 3A21 Shape Square
Place of Origin Other Advantage High Corrosion Resistance
Material Status Large stock or fast new production Package Standard Package
Processing Service Bending, Decoiling, Welding, Punching, Cutting Payment T/T 30% Deposit + 70% Advance
Chinese Standard 3A21 Aluminum Alloy Plate with High Corrosion Resistance Superior Formability and Lightweight for Engineering 0
Key Features & Advantages
  • Excellent Corrosion Resistance: The dense oxide film naturally formed on the surface provides strong resistance to atmospheric, freshwater, seawater, organic acids and neutral salt solutions, ideal for humid and corrosive working environments.
  • Superior Processing Performance:
    • Formability: High plasticity in O-state (annealed), suitable for deep drawing, bending and stamping to create complex-shaped components.
    • Weldability: Excellent compatibility with argon arc welding and resistance welding, ensuring firm and reliable welded joints.
    • Lightweight: Density of 2.7g/cm³, approximately 1/3 of steel, effectively reducing structural weight and transportation costs.
  • Moderate & Reliable Mechanical Properties:
    • Tensile Strength: 120-160 MPa
    • Yield Strength: ≥85 MPa
    • Elongation: ≥20% (O-state)
    Strength can be enhanced via cold working (H14/H24/H18 states) to meet diverse load requirements.
  • Cost-Effective & Eco-Friendly: Lower cost than heat-treatable aluminum alloys; 100% recyclable, aligning with green manufacturing and low-carbon development trends.
Common Grades & States
  • O (Annealed): Softest state, optimal ductility for complex forming.
  • H14/H24 (Half-Hard): Balanced strength and ductility for general structural use.
  • H18/H28 (Full-Hard): Highest strength for load-bearing components.
  • H112: Suitable for hot-formed parts.
Wide Applications in Engineering & Manufacturing
  • Transportation: Automotive fuel tanks, oil pipelines, ship storage tanks, deck components.
  • Chemical Industry: Storage tanks, reaction vessels, corrosion-resistant pipelines, heat exchangers.
  • Construction & Decoration: Corrugated roof panels, anti-rust wall panels, curtain wall components.
  • General Manufacturing: Kitchenware, food processing equipment, ventilation ducts, low-load rivets.
  • Energy & Electrical: Radiators, transformer casings, battery enclosures.
Specifications & Customization
Available Specifications
  • Thickness: 0.1mm - 120mm
  • Width: 100mm - 2500mm
  • Length: 500mm - 6000mm or customized
  • Surface Treatment: Mill finish, polished, brushed, coated
  • Custom Service: Tailored sizes, states and surface treatments available
Quality Assurance
Our 3A21 aluminum alloy plates are strictly produced in accordance with Chinese GB standards, with complete quality certificates (ISO, SGS) and full-process quality control to ensure compliance with international standards and customer requirements.
Why Choose Our 3A21 Aluminum Alloy Plates?
  • Standard Compliance: 100% meets Chinese GB/T 3190 standards.
  • Stable Quality: Precise component control and advanced production technology.
  • Versatile Performance: Balanced corrosion resistance, formability and strength.
  • Custom Solutions: Professional technical support and tailored services.
  • Competitive Price: Factory direct sales with reliable quality assurance.
Ideal for engineering and manufacturing projects requiring lightweight, corrosion-resistant and cost-effective aluminum materials!

Product Highlights

La plaque en alliage d'aluminium 3A21 offre une excellente résistance à la corrosion, une formabilité supérieure et une soudabilité fiable. Norme ASTM avec certification ISO 9001. Tailles personnalisées et prise en charge OEM/ODM disponibles pour les applications d'ingénierie.

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