1100 3003 3105 5052 color coated aluminum sheets coils

05/18 2026

1100, 3003, 3105, and 5052 color coated aluminum sheets and coils are widely used in building decoration, roofing, wall cladding, ceilings, appliances, signage, transportation, and general fabrication. By combining the lightweight and corrosion-resistant advantages of aluminum with durable paint systems such as PE, SMP, HDP, and PVDF, these coated products deliver strong visual appeal, weather resistance, and excellent formability.

For buyers, the main value lies in choosing the right alloy for the right environment. 1100 offers high purity and excellent workability, 3003 provides balanced strength and corrosion resistance, 3105 is a popular architectural coating substrate, and 5052 stands out for higher strength and marine-grade corrosion performance.

Color coated aluminum sheets and coils are aluminum substrates that are cleaned, chemically pretreated, and coated with organic paint layers on one or both sides. The result is a product that is easy to process, visually attractive, and highly durable in indoor and outdoor applications.

Main Product Forms

Product form	Description
Color coated aluminum coil	Continuous coil form for roll forming, profiling, roofing, ceiling, and ACP production
Color coated aluminum sheet	Cut-to-length flat sheets for panels, signs, appliances, and decorative parts
Single-side coated	Standard finish with back coat or wash coat on reverse side
Double-side coated	Decorative or protective coating on both sides

Features

Feature	Benefit to customer
Light weight	Reduces structural load and transport cost
Excellent corrosion resistance	Long service life in humid, industrial, and coastal environments
Rich color selection	Supports branding, architecture, and design flexibility
Good formability	Suitable for bending, roll forming, stamping, and profiling
Smooth surface quality	Ideal for decorative and visible applications
Strong coating adhesion	Minimizes peeling and improves durability
Weather resistance	Maintains gloss and color in outdoor exposure
Easy fabrication	Works well in cutting, folding, punching, and lamination

Alloy Comparison

Each alloy serves a different balance of strength, formability, and corrosion performance.

Alloy	Typical series	Main characteristics	Common uses
1100	Pure aluminum series	Very high ductility, excellent corrosion resistance, good thermal conductivity	Sign boards, insulation jacketing, decorative panels, appliance parts
3003	Al-Mn alloy	Good strength, good corrosion resistance, easy forming	Roofing, wall panels, ceiling systems, general sheet metal
3105	Al-Mn-Mg alloy	Better strength than 3003, excellent coating substrate, widely used in construction	Building facades, roofing sheets, gutters, shutters
5052	Al-Mg alloy	Higher strength, very good fatigue resistance, excellent marine corrosion resistance	Coastal buildings, transport panels, equipment covers, marine-related panels

Typical Temper Conditions

Alloy	Common tempers	General performance
1100	H14, H16, H18, H24	Soft to medium hard, easy to bend and shape
3003	H14, H16, H18, H24	Balanced strength and formability
3105	H14, H16, H18, H24	Good rigidity and coating performance
5052	H32, H34	Higher strength with good forming capability

Chemical Composition

The following table shows typical composition limits for commonly used base alloys. Values may vary slightly depending on applicable standards.

Alloy	Si %	Fe %	Cu %	Mn %	Mg %	Cr %	Zn %	Others %	Al %
1100	Si + Fe: 0.95 max	-	0.05–0.20	0.05 max	-	-	0.10 max	0.15 max	99.00 min
3003	0.60 max	0.70 max	0.05–0.20	1.0–1.5	-	-	0.10 max	0.15 max	Remainder
3105	0.60 max	0.70 max	0.30 max	0.30–0.80	0.20–0.80	0.20 max	0.40 max	0.15 max	Remainder
5052	0.25 max	0.40 max	0.10 max	0.10 max	2.2–2.8	0.15–0.35	0.10 max	0.15 max	Remainder

Mechanical Properties

Typical mechanical properties depend on thickness, temper, and production standard.

Alloy / Temper	Tensile strength MPa	Yield strength MPa	Elongation %
1100 H14	95–135	75 min	3–8
3003 H14	120–160	95 min	3–8
3105 H14	130–180	110 min	2–8
5052 H32	210–260	130 min	7–12

Coating Systems

The paint system largely determines outdoor durability, chalk resistance, and gloss retention.

Coating type	Typical top coat thickness	Typical service feature	Common applications
PE	14–18 μm	Good flexibility and economy	Indoor decoration, signage, appliances
SMP	18–25 μm	Better hardness and weather resistance	Roofing, wall cladding
HDP	20–30 μm	Enhanced UV resistance and color stability	Premium exterior panels
PVDF	25–35 μm	Excellent outdoor durability and chemical resistance	High-end facades, curtain walls, coastal projects

Typical Coating Structure

Layer	Typical thickness
Top coating	14–35 μm
Primer	5–7 μm
Back coating	5–10 μm
Total dry film	20–45 μm or customized

Technical Specifications

Item	Typical range
Alloy	1100, 3003, 3105, 5052
Temper	H14, H16, H18, H24, H32, H34
Thickness	0.20–3.00 mm
Width	30–1600 mm
Coil inner diameter	405 mm, 505 mm, 508 mm
Coil outer diameter	Up to customer requirement
Sheet length	Custom cut-to-length
Surface finish	Matt, gloss, embossed, brushed, wood grain, stone grain
Color	RAL color card or custom sample
Gloss	10–90%
Protective film	Optional
Standard	ASTM, EN, GB, or customer specification

Performance Advantages by Alloy

Alloy	Core advantage	Best-fit environment
1100	Excellent softness and clean surface	Indoor decoration and light-duty use
3003	Versatile general-purpose performance	Standard construction and industrial use
3105	Reliable substrate for architectural coating	Roofing, siding, and building envelope
5052	Superior corrosion resistance and strength	Coastal, humid, and heavy-duty conditions

Common Applications

Industry	Typical use
Architecture	Roof panels, facade cladding, curtain walls, ceilings, shutters, gutters
Home appliances	Refrigerator panels, washing machine covers, air conditioner shells
Advertising	Sign boards, display panels, channel letters
Transportation	Trailer skins, interior decorative panels, container linings
Industrial	Equipment casings, insulation covers, duct panels
Decorative	ACP base material, wall art panels, interior trim

Surface Options

Surface style	Visual effect	Typical market
Solid color	Clean and modern	Building and appliances
High gloss	Bright decorative finish	Signage and commercial interiors
Matt finish	Soft low-reflection look	Premium architectural design
Wood grain	Natural wood appearance	Interior and exterior decoration
Stone/marble pattern	Elegant mineral look	Facade and wall panel systems
Brushed finish	Metallic texture	Retail fit-out and appliance decoration

Why Customers Choose Color Coated Aluminum

Color coated aluminum offers a strong balance between appearance, durability, and processing efficiency. Compared with painted steel, it provides lower density and better corrosion resistance. Compared with post-painted metal fabrication, prepainted aluminum improves consistency, reduces production steps, and helps control total project cost.

For quick decision-making, many customers select:

1100 for maximum formability and bright decorative use
3003 for economical all-around performance
3105 for building panels and roofing systems
5052 for tougher environments requiring higher strength and better corrosion resistance

Purchasing Considerations

Selection factor	Recommendation
Indoor use	PE-coated 1100 or 3003 is often sufficient
General outdoor use	3003 or 3105 with SMP or HDP coating
Long-term facade use	3105 or 5052 with PVDF coating
Coastal or high-humidity area	5052 with PVDF preferred
Deep forming requirement	1100 or 3003 with suitable temper
Higher rigidity requirement	3105 or 5052