Alloy 5083 Pre painted Aluminum Coil

Alloy 5083 Pre painted Aluminum Coil is based on the material Aluminium Alloy 5083. Alloy 5083 Aluminum Plate is a non-heat-treatable, aluminum-magnesium alloy (Mg: 4.0–4.9%) known for exceptional corrosion resistance, especially in marine and saltwater environments. It offers good weldability and formability, making it ideal for structural components, shipbuilding, pressure vessels, and cryogenic applications.

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Chemical Composition

Element	Content (%)
Aluminum (Al)	Balance
Magnesium(Mg)	4.0-4.9
Manganese(Mn)	0.40-1.0
Silicon (Si)	≤0.40
Iron (Fe)	≤0.40
Zinc(Zn)	≤0.25
Copper(Cu)	≤0.10
Chromium(Cr)	≤0.05-0.25
Titanium(Ti)	≤0.20
Other(each)	≤0.05
Other(total)	≤0.15

Key Properties

Mechanical Properties

Property	Temper: O	Temper: H32	Temper: H34	Temper: H36	Temper: H38
Tensile Strength	≥275MPa	≥315MPa	≥350MPa	≥370MPa	≥390MPa
Yield Strength (0.2% offset)	≥125MPa	≥245MPa	≥275MPa	≥305MPa	≥335MPa
Elongation at Break	≥16%	≥8%	≥6%	≥5%	≥4%
Hardness (Rockwell B)	No work hardening	Low work hardening	Medium work hardening	High work hardening	Very high work hardening

Temper Designations: Commonly used in the O (annealed) temper for maximum ductility or H12/H14 (strain-hardened) for moderate strength improvements.

Physical Properties

577 Property	Value
Density	2.66 g/cm³
Melting Range	577–610°C
Thermal Conductivity	118 W/m·K
Electrical Conductivity	35% IACS
Thermal Expansion Coefficient	13.1–14.0×10⁻⁶/°C (20–100°C)
Modulus of Elasticity	69 GPa
Poisson's Rate	0.33
Specific Heat Capacity	0.215 cal/g·°C
Corrosion Resistance	Excellent in atmospheric, seawater, and chemical environments.
Machinability	Moderate
Weldability	Good