Corrugated Sheet/Prepainted Color Coated/Zinc-Coated/Galvalume/Aluminum/Roofing /Metal Steel Products

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Product Description

Basic Specifications

Model NO.
Corrugated Sheet/Prepainted Color Coated/Zinc-Coat
Certification
ISO, RoHS, IBR, TUV/UL/RoHS
Surface Treatment
Galvanized/Galvalume/Zn Al Mg
Technique
Cold Rolled
Application
Building Construction Roofing Corrugated
Thickness
0.3mm - 2.0mm
Width
500-1550mm
Zinc Coating
100G/M2 - 250G/M2
Grade
DC51D, SGCC, SPCC, S250GD, G550
Capacity
16000t+/Month

Product Description

55% Zinc Coated ASTM AZ120 Z150 Hot Dipped Galvalume Steel

Galvalume Steel Coil Overview

Aluzinc & Galvalume Steel Coil Advantage:

  • Strong corrosion resistance, 3 times that of galvanized steel coil.
  • Combined physical protection and high durability of aluminum with electrochemical protection of zinc.
  • Higher area coverage: 55% aluminum density is smaller than zinc, providing 3% or larger area for the same weight and thickness.
Steel Coil Process

Aluminium-zinc coating (AZ) is applied by dipping steel into a bath of molten metal consisting of 55% aluminium, 43.4% zinc, and 1.6% silicon. This specific formula is designed to combine the toughness and self-healing properties of zinc with the rust-resisting properties of aluminum.

Feature Details
Product TypeGalvalume steel coil cold rolled / GL for roof wall construction
Thickness0.12-8mm
Length2000-12000mm or customized
StandardBS4449, JIS G3112, ASTM A615, AS/NZS 4671
Zinc Coating40-275g/m2 (AZ40 - AZ150)
Spangle TypeRegular, Small, Zero, or Big Spangle
Surface TreatmentChromated/Non-Chromated, Oiled/Non-Oiled, Skin pass

Technical Comparison & Features

Product Technical Details
Corrosion Resistance Data

Color steel coil is a composite material where organic paint is applied to a strip production line (degreasing, phosphating) and dried. High-end applications often use CCLI (Aluminum galvanized color coated board) made of 55% Al, 43% Zn, and 1.6% Si.

Advanced Durability

  • Substrate: AZ150 (150 g/m2 galvanized aluminum).
  • Corrosion Resistance: Salt spray test (5% NaCl) 1000 hours with scribe less than 2mm.
  • Weathering (Q.U.V): 2000 hours, light retention rate over 90%.

Production & Quality Control

Factory Production
Quality Inspection
Packaging Standard

With over 20 years of industry experience, the continuous hot-dipping process ensures that the base sheet reaches a high-performance coating suitable for extreme environments. Our functional coatings and laminating adhesives are manufactured with proprietary procedures under ISO9001:2015 standards.

Global Supply Capacity

Inventory Management
Steel Stock

Frequently Asked Questions

1. What are the standard payment terms?
We generally prefer 30% TT before inspection and the remaining 70% against the Bill of Lading (BL). However, price terms and payment methods are negotiable to meet client requirements.
2. Are free samples available for testing?
Yes, we provide free samples to our clients. In many cases, we also cover the sample shipping costs to ensure you can verify the quality before placing a full order.
3. Can the products be customized to specific sizes?
Absolutely. Our expert equipment and highly-trained workers are capable of manufacturing products with customized thickness, width, length, and specific chemical compositions.
4. What is the difference between Galvalume and Galvanized steel?
Galvalume uses a 55% aluminum and 43.4% zinc alloy coating, providing 2-4 times better corrosion resistance than standard galvanized steel, especially in harsh weather conditions.
5. What range of materials do you supply?
We supply all grades of steel and stainless steel products, including coils, strips, sheets, pipes, and beams. We also provide surface treatments like tin coating, galvanization, and various color coatings.
6. How is product quality ensured?
We follow a strict quality policy with proprietary procedures in addition to our ISO9001:2015 registration. Customers are also welcome to schedule factory tours to check production status.

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