Qingdao Jero Steel Co., Ltd.
| Payment Terms | Western Union,MoneyGram,T/T,L/C |
| Supply Ability | 800 tons per day |
| Delivery Time | 15-30 work days |
| Packaging Details | 3 layers water proof standard export package |
| Standard | S550GD, ASTM A792/JIS G3321 |
| Thickness | 0.12-1.0mm |
| Width | 600-1500mm |
| Aluminium | 55% content |
| Surface | Chromated/AFP |
| Coil Weight | 2-8 tons as the request |
| Brand Name | JERO STEEL |
| Model Number | JS101 |
| Certification | ISO9001 SABER |
| Place of Origin | China |
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Product Specification
| Payment Terms | Western Union,MoneyGram,T/T,L/C | Supply Ability | 800 tons per day |
| Delivery Time | 15-30 work days | Packaging Details | 3 layers water proof standard export package |
| Standard | S550GD, ASTM A792/JIS G3321 | Thickness | 0.12-1.0mm |
| Width | 600-1500mm | Aluminium | 55% content |
| Surface | Chromated/AFP | Coil Weight | 2-8 tons as the request |
| Brand Name | JERO STEEL | Model Number | JS101 |
| Certification | ISO9001 SABER | Place of Origin | China |
| High Light | Hot Dipped Galvalume Steel Coil ，ASTM A792 Galvalume Steel Coil ，gl steel coil Aluminizado | ||
ASTM A792 Hot Dipped Galvalume Steel Coil Zinc Aluminizado Steel Material
Aluminum-zinc coated steel coil, also known as Aluzinc or Galvalume steel coil, is a high-performance
steel product with a metallic coating composed of aluminum, zinc, and silicon. It combines the superior
corrosion resistance of aluminum with the sacrificial protection of zinc, making it widely used in constru
-ction, appliances, automotive, and industrial applications.
Coating Composition
Typical Ratio: 55% aluminum, 43.4% zinc, and 1.6% silicon (e.g., Galvalume®).
Silicon improves coating adhesion and prevents excessive alloying with the steel substrate.
Coating Weight: Common grades include AZ60 (60g/m²), AZ100 (100g/m²), and AZ150 (150g/m²).
Key Features
♦ Superior Corrosion Resistance
Aluminum forms a protective oxide layer (Al₂O₃), while zinc provides cathodic protection.
2–6 times more corrosion-resistant than traditional galvanized steel (GI), especially in salty or humid environments.
♦ High-Temperature Resistance
Withstands up to 315°C (600°F) continuously, making it ideal for chimneys, ovens, and exhaust systems.
♦ Excellent Reflectivity & Aesthetics
Reflects ~75% of solar radiation, improving energy efficiency in roofing applications.
Can be painted (pre-coated) or embossed for decorative purposes.
♦ Formability & Strength
Suitable for deep drawing, bending, and roll forming, though harder than GI—may require adjusted
tooling.
Comparison: Aluzinc vs. Galvanized Steel
| Property | Aluminum-Zinc Coated (AZ) | Galvanized Steel (GI) |
| Corrosion Resistance | Excellent (Al + Zn synergy) | Good (depends on Zn thickness) |
| Cost | 10–20% higher than GI | Lower cost |
| Heat Resistance | Up to 315°C | Up to 200°C (Zn melts at 420°C) |
| Appearance | Bright silver, more reflective | Dull gray, prone to white rust |
Our company’s mainly advantages
♦ We have rich export operation experience for this product, and we know about the common-used
spec in your country.
♦ We have long-term cooperation with our Forwarder Agent, and harbor reinforcement team,
they dedicated to the operation of these raw material product for over 10 years.
♦ For every order, we have strictly packing and loading demand, we also take samples from
the batch product, check the mechanical properties and the capacity of corrosion resistant.
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2017
Total Annual:
6000000-8000000
Employee Number:
40~50
Ecer Certification：
Verified Supplier
Qingdao Jero steel company is a professional raw material integrated supplier, located in the beautiful costal city, Qingdao, mainly product is steel material and Aluminum alloy sheet/coil. We own a very comfortable work environment, and humanized management system, we hope that a job&nbs... Qingdao Jero steel company is a professional raw material integrated supplier, located in the beautiful costal city, Qingdao, mainly product is steel material and Aluminum alloy sheet/coil. We own a very comfortable work environment, and humanized management system, we hope that a job&nbs...
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