DX52D AZ275 Galvalume Steel Coil ASTM A792 Aluzinc Steel Sheet for Roofing and Cladding

１．Product Overview

DX52D AZ275 Galvalume Steel Coil is manufactured according to ASTM A792, JIS G3321, and EN 10346 standards. The product utilizes an aluminum-zinc alloy coating to provide superior corrosion resistance, heat reflectivity, and long-term durability compared with conventional galvanized steel.

With AZ275 coating and DX52D steel substrate, the material is widely used in roofing systems, wall cladding, building panels, steel structures, and industrial construction applications where extended service life is required.

２．Technical Solution

The steel substrate is continuously hot-dip coated with aluminum-zinc alloy through a controlled production process. The AZ coating provides a protective barrier against atmospheric corrosion while maintaining excellent formability and processing characteristics.

Additional surface treatments including passivation, oiling, and anti-fingerprint coating further enhance storage performance and surface protection during transportation and fabrication.

３．Specifications

４．Application

The product is widely used for roofing sheets, wall cladding panels, steel structure buildings, industrial facilities, warehouses, agricultural buildings, commercial construction, sandwich panels, rainwater systems, and general building envelope applications.

５．Processing

The manufacturing process includes payoff reel, welding, cleaning, annealing furnace, hot-dip aluminum-zinc coating, air knife coating control, cooling, water quenching, skin pass, tension leveling, chemical coating, oiling, and recoiling.

The material can be further processed into roofing sheets, wall panels, corrugated sheets, and structural building components.

６．Advantages

• ASTM A792, JIS G3321, and EN 10346 compliant
• AZ275 aluminum-zinc alloy coating available
• Excellent corrosion resistance in outdoor environments
• High heat reflectivity for roofing applications
• Good formability and fabrication performance
• Passivated, oiled, and anti-fingerprint surface options
• Thickness range from 0.30mm to 1.5mm
• Suitable for long-term building applications
• Export-standard packaging and logistics support

７．How to Choose

• Choose AZ100-AZ150 for standard roofing and wall cladding applications.
• Choose AZ275 when maximum corrosion protection and longer service life are required.
• Select DX52D when improved forming performance is needed for fabrication processes.
• Choose anti-fingerprint treatment when appearance and handling protection are important.
• Confirm thickness, width, coating mass, and surface treatment according to project specifications.

８．FAQ

Q1．What standards does this Galvalume steel coil comply with

The product complies with ASTM A792, JIS G3321, and EN 10346 standards.

Q2．What coating range is available

The available aluminum-zinc coating range is AZ20-AZ275.

Q3．What thickness range can be supplied

Thicknesses from 0.30mm to 1.5mm are available.

Q4．What surface treatments are available

Passivated, oiled, and anti-fingerprint surface treatments are available.

Q5．What applications are suitable for this product

It is suitable for roofing sheets, wall cladding, steel structure buildings, industrial facilities, warehouses, agricultural buildings, and commercial construction projects.