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Aluminum Plate Grade Guide: 1060, 3003, 5052, 6061, 5083, 7075 Explained
Aluminum plate is available in many grades, and choosing the right one determines the strength, ความต้านทานการกัดกร่อน, weldability and cost of your project. This guide explains the six most common aluminum plate grades – 1060, 3003, 5052, 6061, 5083 และ 7075 – covering their chemical composition, mechanical properties and typical applications, so you can quickly identify which grade suits your use.
Aluminum Plate Grades at a Glance
| ระดับ | Series | Key alloying elements | Strength | Corrosion resistance | Typical applications |
|---|---|---|---|---|---|
| 1060 | 1xxx | 99.6% อลูมิเนียม (pure) | Low | Excellent | Electrical conductors, chemical tanks, แผงตกแต่ง |
| 3003 | 3xxx | แมงกานีส | Low – medium | Good | Roofing, cookware, เครื่องแลกเปลี่ยนความร้อน, general sheet metal |
| 5052 | 5xxx | Magnesium | Medium | Excellent (marine) | Marine parts, fuel tanks, pressure vessels |
| 6061 | 6xxx | Magnesium + Silicon | High (T6) | Good | Structural frames, ยานยนต์, machinery |
| 5083 | 5xxx | Magnesium + แมงกานีส | High | Excellent (marine) | Shipbuilding, pressure vessels, offshore structures |
| 7075 | 7xxx | Zinc | Very high | Good | Aerospace, molds, high-strength parts |
1060 แผ่นอลูมิเนียม: Pure Aluminum for Conductivity
1060 belongs to the 1xxx series with a minimum aluminum content of 99.6%. It offers excellent electrical and thermal conductivity, outstanding corrosion resistance and good formability, but has low mechanical strength. It is widely used for electrical bus bars, chemical storage tanks, capacitor casings and decorative applications where purity matters more than strength.
3003 แผ่นอลูมิเนียม: The Workhorse Alloy
3003 is strengthened by manganese and is the most widely used general-purpose aluminum alloy. It has moderate strength, good formability, excellent weldability and good corrosion resistance. Common uses include roofing and siding, cooking utensils, เครื่องแลกเปลี่ยนความร้อน, fuel tanks and general sheet metal work.
5052 แผ่นอลูมิเนียม: Marine-Grade Corrosion Resistance
5052 is a magnesium alloy with the highest strength among non-heat-treatable grades. It provides excellent salt-water corrosion resistance, good fatigue strength and outstanding weldability, making it the preferred choice for marine applications, fuel tanks, pressure vessels, hydraulic tubes and appliance panels.
6061 แผ่นอลูมิเนียม: Structural All-Rounder
6061 is a heat-treatable aluminum-magnesium-silicon alloy. In the T6 temper it reaches a tensile strength of about 290 MPa, combining high strength with good weldability, machinability and corrosion resistance. It is widely used for structural frames, truck bodies, ชิ้นส่วนเครื่องจักร, bicycle components and general fabrication.
5083 แผ่นอลูมิเนียม: Shipbuilding Champion
5083 is a high-strength magnesium-manganese alloy specially developed for shipbuilding. It retains high strength after welding and offers the best combination of strength and corrosion resistance in marine environments. It is the standard grade for hull plates, offshore platforms, pressure vessels and cryogenic tanks.
7075 แผ่นอลูมิเนียม: Aerospace-Grade Strength
7075 is strengthened with zinc and is one of the strongest aluminum alloys available, with a tensile strength exceeding 570 MPa in the T6 temper. It is used where maximum strength-to-weight ratio is required: aircraft structures, missile parts, high-performance molds, rock-climbing equipment and precision machinery.
How to Choose the Right Grade
- Need maximum corrosion resistance or purity? Choose 1060.
- Need a low-cost general-purpose alloy? Choose 3003.
- Working in marine or salt-water environments? Choose 5052 or 5083.
- Need high strength with good weldability? Choose 6061-T6.
- Need the highest strength-to-weight ratio? Choose 7075-T6.
- Not sure? Send us your application details and our engineers will recommend the most cost-effective grade.
Conclusion
Each aluminum plate grade has its own balance of strength, ความต้านทานการกัดกร่อน, formability and cost. QIDAMT supplies 1060, 3003, 5052, 6061, 5083 และ 7075 aluminum plates in thicknesses from 0.3 mm to 200 มม, with mill test certificates, competitive prices and prompt delivery. Contact us today for a quote.
