AZ150 G550 Galvalume Steel Coil High Corrosion Resistance Aluzinc Steel Sheet

１．Product Overview

AZ150 G550 Galvalume Steel Coil is manufactured with an advanced aluminum-zinc alloy coating designed to provide excellent corrosion resistance and long-term durability. The product combines a high-strength G550 steel substrate with AZ150 coating, making it suitable for equipment profiles, roofing systems, wall cladding, and industrial fabrication.

The aluminum-zinc coating structure provides superior weather resistance while maintaining good formability and processing performance for roll forming and profile manufacturing.

２．Technical Solution

The steel substrate is continuously coated with a Galvalume alloy containing 55% aluminum, 43.5% zinc, and 1.5% silicon. This coating structure creates a protective barrier against oxidation and atmospheric corrosion.

Additional surface treatments such as passivation, chromating, anti-fingerprint coating, and oiling improve handling, storage stability, and manufacturing performance during processing.

３．Specifications

４．Application

The product is suitable for equipment profiles, roofing sheets, wall cladding systems, industrial buildings, steel structures, machinery housings, ventilation systems, storage facilities, agricultural buildings, and various roll-formed construction components.

５．Processing

The Galvalume steel coil is produced through continuous hot-dip aluminum-zinc coating technology and can be processed through slitting, cut-to-length, roll forming, bending, profiling, and fabrication operations.

Surface treatment options can be selected according to storage, transportation, and manufacturing requirements.

６．Advantages

• High-strength G550 steel substrate
• AZ150 aluminum-zinc alloy coating
• Excellent corrosion resistance performance
• Good heat reflectivity and weather resistance
• Suitable for roll forming and profile manufacturing
• Multiple surface treatment options available
• Minimal spangle surface appearance
• Stable quality for industrial applications
• Export-standard packaging and logistics support

７．How to Choose

• Choose G550 when higher structural strength and profile rigidity are required.
• Select AZ150 coating for outdoor applications requiring enhanced corrosion protection.
• Choose anti-fingerprint treatment when appearance and handling protection are important.
• Select the appropriate thickness according to profile design and load requirements.
• Confirm width and coil weight according to manufacturing equipment capabilities.

８．FAQ

Q1．What coating composition does this Galvalume steel use

The coating contains 55% aluminum, 43.5% zinc, and 1.5% silicon.

Q2．What coating range is available

The available coating range is AZ30-AZ150.

Q3．What thickness range can be supplied

Thicknesses from 0.13mm to 1.0mm are available.

Q4．What surface treatments are available

Light oil, oiled, dry, chromate, passivated, and anti-fingerprint treatments are available.

Q5．What applications are suitable for this product

It is suitable for equipment profiles, roofing sheets, wall cladding, industrial buildings, steel structures, machinery components, and roll-formed construction products.