Galvanized steel coil
Galvalume steel coil and galvanized material both have their own unique properties and advantages in various applications.Galvalume steel coil is an alloy made of 55% aluminum, 43.4% zinc, and 1.6% silicon that provides optimal protection against corrosion. It is highly durable, with a long lifespan, making it a preferred choice for applications in roofing, siding, and outdoor structures. The unique properties of galvalume steel also make it an ideal material in harsh environments, such as coastal regions, where salt spray and humidity can cause significant damage to other materials.On the other hand, galvanized material is made of steel coated with a layer of zinc to prevent it from rusting.
It is widely used in applications that require strong and durable materials, such as construction, automotive, and agricultural industries. Galvanized material is also very budget-friendly and readily available, making it a popular choice.Both of these materials have their respective advantages and are widely used in different fields. However, it is important to remember that they have different properties and are suited for different applications. Understanding the unique qualities of both galvalume steel coil and galvanized material can help you choose the best material for your specific needs and improve the efficiency and effectiveness of your project.
Galvanized steel coil
- Specifications Table
|
Technical Standard |
EN10147, EN10142, DIN 17162, JIS G3302, ASTM A653 |
|
Type |
Coil/Sheet/Plate/Strip |
|
Thickness |
0.12-6.00mm,or customer's requirement |
|
Width |
600mm-1500mm, according to customer's requirement |
|
Zinc Coating |
30-275g/m2 |
|
Surface Treatment |
Passivation(C), Oiling(O), Lacquer sealing(L), Phosphating(P), Untreated(U) |
|
Surface Structure |
Normal spangle coating(NS), minimized spangle coating(MS), spangle-free(FS) |
|
Quality |
Approved by SGS,ISO |
|
ID |
508mm/610mm |
|
Coil Weight |
3-20 metric ton per coil |
Detailed Comparison: GI vs Galvalume Steel Coil
| Feature | Galvanized Steel Coil (GI) | Galvalume Steel Coil |
|---|---|---|
| Coating Composition | 100% Zinc | 55% Aluminum, 43.4% Zinc, 1.6% Silicon |
| Corrosion Resistance | Moderate | Excellent |
| Lifespan | 15–20 years | 40+ years |
| Cost | Lower | Higher, but better long-term investment |
| Appearance | Silver-gray, glossy | Matte gray, more aesthetic appeal |
| Suitable Environment | Moderate climates | Coastal, industrial, high-humidity zones |
| Typical Applications | Fences, warehouses, appliances | Roofs, walls, coastal facilities |
How to Choose the Right Steel Material
When deciding between GI and Galvalume steel coils, consider the following:
- Environmental Conditions: Coastal or high-corrosion areas benefit more from Galvalume.
- Budget: GI steel coils are more cost-effective for short-term or budget-limited projects.
- Durability Requirements: For projects requiring longevity, Galvalume is the better option.
- Aesthetic Preference: Galvalume's matte finish is preferred for visible or architectural applications.
➡️GNEE Steel offers professional guidance to help customers choose the most suitable steel coil type based on project needs, budget, and environment.
Galvanized steel coil
Q:What product information do I need to provide?
A:You need to provide the grade, width, thickness, coating and the number of tons you
need to purchase.
Q:What are the certifications for your products?
A:We have ISO 9001,EWC and other certifications.
Q:How long does your delivery time take?
A:In general, our delivery time is within 7-45 days, and may be delayed if the demand is
Q:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory.
Q:Does the product have quality inspection before loading?
A:Of course, all our products are strictly tested for quality before packaging.
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