3104 Círculos de Alumínio: O Inovador & Referência de desempenho para estampagem profunda
—— High Elongation · Superior Corrosion Resistance · Precision Customization · Global Trusted Choice
【Product Overview】
O 3104 Círculo de Alumínio, a standout representative of the Al-Mg-Mn alloy series, has set a new benchmark in the metal processing industry, particularmente em aplicações de estampagem profunda, thanks to its unique and balanced chemical composition.
We select high-purity primary aluminum ingots as raw materials. Through a series of rigorous and precise manufacturing processes—from fundição (to control alloy purity) para laminação a quente, laminação a frio (for precise thickness and grain refinement), e finalmente precision annealing—we optimize the microstructure. This results in exceptional deep drawing performance and unparalleled corrosion resistance. Every 3104 circle features alta precisão dimensional, mirror-like surface finish, e stable mechanical properties.
【Technical Specifications】
We offer highly flexible customization to meet diverse industrial needs:
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Faixa de diâmetro: De 10mm to 1000mm. We provide professional non-standard customization for ultra-large or ultra-small sizes to match your specific equipment.
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Faixa de espessura: From ultra-light 0.3milímetros to robust 6.0milímetros. Thickness tolerance is strictly controlled within $\pm0.02\text{milímetros}$, exceeding industry standards.
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Available Tempers:
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Ó (Recozido): O estado mais suave, offering ultimate plasticity and elongation. The top choice for deep drawing and complex forming.
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H14 / H24 (Endurecido por tensão): Provides a balance of formability and higher strength. Suitable for general stamping.
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H18 (Cheio Difícil): For applications requiring maximum tensile and yield strength.
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Surface Finishes:
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Bright Finish: High gloss, ready for use without additional polishing.
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Matte Finish: Uniform non-reflective texture, ideal for sandblasting or painting.
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Anodizing Ready: Specially treated to ensure uniform color and strong film adhesion after anodizing.
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Coating Substrate: Extremely clean surface for Teflon or other functional coatings.
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【Chemical Composition (Peso %)】
| Elemento | Contente | Impacto |
| Silício (E) | $\le 0.30\%$ | Enhances strength; kept low to maintain plasticity. |
| Ferro (Fé) | $\le 0.7\%$ | Strictly controlled to avoid brittle phases. |
| Cobre (Cu) | $\le 0.25\%$ | Controlled to balance strength and corrosion resistance. |
| Manganês (Mn) | $0.8 – 1.3\%$ | Core Element: Improves strength, optimizes grain structure, and enhances deep drawing. |
| Magnésio (mg) | $0.8 – 1.3\%$ | Core Element: Works with Mn to significantly boost tensile strength and work-hardening capability. |
| Alumínio (Al) | Equilíbrio | Metal básico. |
【Key Features & Technical Advantages】
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Superior Deep Drawing Performance
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High Elongation: With elongation rates exceeding $20\%$, it handles complex deep-cavity forming (por exemplo, forros de panela de pressão) sem rachar.
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Uniform Deformation: Prevents “carícias” or tearing during tension, significantly reducing scrap rates.
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Low Work-Hardening Rate: Simplifies the process by reducing the need for intermediate annealing.
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Excelente resistência à corrosão
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Stability in Harsh Environments: Highly stable in humid or slightly acidic/alkaline conditions, tornando-o ideal para food-grade contact.
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Self-Healing Oxide Layer: Enhanced stability against oxidation for long-lasting durability.
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Superior Workability
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Usinabilidade: Supports high-speed cutting with clean cross-sections.
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Soldabilidade: Compatible with TIG, MEU, e soldagem por resistência, resulting in high-strength, low-porosity joints.
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【Mechanical Properties (Valores Típicos)】
| Temperamento | Resistência à tracção (Rm/MPa) | Força de rendimento (Rp0.2/MPa) | Alongamento (A50mm%) | Application Suggestion |
| Ó | $140 – 180$ | $\le 70$ | $\ge 20$ | Desenho Profundo: Panelas de pressão, coffee pots, latas. |
| H14 | $150 – 200$ | $110 – 150$ | $\ge 5$ | General Stamping: Tableware, pratos, refletores de iluminação. |
| H18 | $\ge 240$ | $\ge 220$ | $\ge 3$ | Alta resistência: Structural brackets, rigid components. |
【Main Application Areas】
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Panelas: Pressure cooker liners, non-stick pan bodies, rice cooker pots.
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Eletrônica: High-end audio shells, heat sink bases for LED and telecom equipment.
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Architecture: Decorative signage, architectural hardware, and ceiling panels.
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Automotivo: Interior trim panels, escudos térmicos, and headlight reflectors.
【Quality Assurance & Service】
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ISO 9001 Certified: Every process follows international quality management standards.
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Rastreabilidade: Each batch comes with a Certificado de teste de material (CTM) and supports SGS/RoHS testing.
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Rapid Delivery: Standard sizes delivered within 3-5 dias. Emergency orders responded to within 24 horas.
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Expert Support: Our technical team provides free material selection consultations and quick prototyping (3-7 dias).
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