Alloy 5052 Color Coated Aluminum Coil

Alloy 5052 color coated aluminum coil in based on Aluminum alloy 5052 Plate, which is an Al-Mg alloy (Mg content: 2.2%-2.8%) in the 5xxx series. It features medium strength, excellent corrosion resistance (comparable to pure aluminum), and superior formability, making it ideal for cold working processes like stamping and bending. Though not heat-treatable, its strength can be adjusted via cold rolling (e.g., H14, H34 tempers, hardness: 60-100 HB).
In automotive applications, it is widely used for battery pack enclosures and bottom shields in EVs due to impact resistance and corrosion protection. It also serves as door inner panels, trunk lids, and fuel tank casings for its light weight and resistance to liquid corrosion. Its reliable weldability further suits it for structural components requiring joint integrity.

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Chemical Composition Of Aluminum Alloy 5052

Element	Content Range (%)
Magnesium (Mg)	2.2–2.8
Silicon (Si)	≤0.25
Iron (Fe)	≤0.40
Copper (Cu)	≤0.10
Manganese (Mn)	≤0.10
Chromium (Cr)	0.15–0.35
Zinc (Zn)	≤0.10
Aluminum (Al)	Balance (remainder)

Key notes:

Magnesium is the primary alloying element, providing corrosion resistance and moderate strength.
Chromium improves stress corrosion cracking resistance and stabilizes grain structure.
Impurities (Si, Fe, Cu, etc.) are strictly limited to maintain mechanical properties and formability.

Key Properties

Mechanical properties of 5052 aluminum alloy by temper

Temper	Yield Strength Min. (ksi)	Tensile Strength (ksi)	Elongation (%) (in 2")	Bend Diameter (T = thickness)
H112 (As-Fabricated)	12	26–36	≥12	2T
H12 (1/4 Hard)	21	28–36	≥8	2T
H14 (1/2 Hard)	26	30–38	≥6	3T
H16 (3/4 Hard)	32	34–42	≥4	4T
H18 (Full Hard)	35	38–46	≥3	6T

Physical properties of 5052 aluminum alloy

Property	Value
Density	2.68 g/cm³ (0.097 lb/in³)
Melting Range	1070–1130°F (577–610°C)
Thermal Conductivity	118 W/m·K (at 20°C/68°F)
Coefficient of Thermal Expansion	13.1–14.0 × 10⁻⁶/°C (20–100°C/68–212°F)
Electrical Conductivity	35% IACS (International Annealed Copper Standard)
Modulus of Elasticity	10,000 ksi (69 GPa)
Poisson’s Ratio	0.33
Specific Heat Capacity	0.215 cal/g·°C (900 J/kg·K)
Corrosion Resistance	Excellent (high resistance to atmospheric, seawater, and chemical corrosion)

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