Aluminium Zinc Roofing Materials Az150 ASTM A792m Building Material Anti-Finger Galvanized Dx51d+Az

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Product Description

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Basic Information

Standard
ASTM, JIS, GB, AISI, DIN, BS
Certification
ISO, RoHS, IBR
Surface Treatment
Galvanized
Technique
Cold Rolled
Application
Container Plate
Edge
Slit edge
Stock
Stock
Grade 1
Dx51d+Z-Dx54D+Z
Grade 2
S250gd+Z-S350gd+Z
Transport Package
Export Seaworthy Packing
Specification
25 tons
Origin
China
Production Capacity
50000 Tons/Year
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Performance Characteristics

Property Technical Parameters Competitive Advantage
Corrosion Resistance ≥1500h salt spray test (55% Al-Zn coating) 3-6× longer lifespan vs. galvanized steel (GI)
Heat Resistance Sustains 315°C long-term (400°C short-term peak) Outperforms GI (fails at 200°C)
Solar Reflectivity ≥75% sunlight reflectivity 20% higher than pre-painted steel
Formability Elongation ≥20% (ASTM A792) Better stamping performance than stainless
Eco-Friendliness Chromium-free passivation (RoHS compliant) Meets EU ELV directives
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Technical Specifications

Additional Notes:

Actual specifications may vary slightly depending on the mill; always refer to mill standards or contracts for confirmation. Special applications (e.g., home appliance panels, automotive parts) may require thinner gauges (e.g., 0.25-0.4mm) or higher surface precision (e.g., minimized spangle, high skin-pass finish).

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Application Cases

Industry Applications Recommended Grade Benefits
Building Envelope Airport terminals, Industrial cladding AZ150 (150g/m² coating) 25-year maintenance-free, 40% lifecycle cost reduction
Appliances AC outdoor units, oven interiors AZ100 (100g/m² coating) 50% cost saving vs. stainless steel
Automotive Exhaust heat shields, fuel tank brackets AZ180 + passivation 30% weight reduction, passes 2000h salt spray
Solar Mounting Ground-mounted PV structures AZ200 + S550GD Sand erosion resistance, 30+ year lifespan
Agriculture Livestock barn roofs, grain silos AZ120 + PE film lamination 3× longer maintenance cycles
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Packing & Delivery

Shipping Options:

  • DHL: 3-5 working days;
  • China Post: Depends on destination country;
  • Sea: Depends on destination port.

We maintain ready stock and can arrive at Chinese ports within as fast as 3 days, ensuring exceptionally fast delivery for our global clients.

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Professional Capability

We specialize in high-quality steel products and modular housing solutions. Our main product lineup includes:

Mobile Container House, Aluminized Steel, Magnelis Steel, Stainless Steel, Aluminized Steel Tube, VCM Steel, Cladding Steel Plate, Purity Iron, Galvanized Steel, and Powder Coating Steel.

With 18 years of industry expertise, we have established an integrated service system covering ready stock, fast delivery, global logistics, and technical support. We offer full-process support—from material selection and processing to customs clearance and after-sales service.

Frequently Asked Questions

How does the corrosion resistance compare to standard galvanized steel?
Our 55% Al-Zn coating provides a lifespan 3 to 6 times longer than traditional galvanized steel (GI), passing over 1500 hours in salt spray tests.
What is the maximum temperature this material can withstand?
The material sustains 315°C for long-term use and can handle short-term peak temperatures up to 400°C without failure.
Is the material eco-friendly?
Yes, it uses chromium-free passivation and is fully RoHS compliant, meeting strict EU ELV directives.
Which industries are the primary users of these steel coils?
It is widely used in building envelopes (roofing and cladding), home appliances, automotive heat shields, and solar mounting structures.
What is the typical lead time for shipping?
With extensive ready stock, we can transport goods to major Chinese ports within 3 days for immediate international shipment.
Can this material be used for solar energy structures?
Absolutely. Grades like AZ200 combined with S550GD are specifically recommended for PV structures due to their sand erosion resistance and 30+ year lifespan.

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