0.3–3.0mm Z60–Z275 Big Spangle Hot Dipped Galvanized Steel Sheet SGCC DX51D for Exterior Wall and Structural Applications
1. Product Overview
Big spangle galvanized steel sheet features visible zinc crystal patterns and is typically used in structural and exterior wall applications where appearance uniformity is not critical.
2. Technical Solution
Performance depends on:
Zinc coating (60–275 g/m²)
Spangle structure affecting surface appearance
Base steel properties ensuring formability
3. Specifications
|
Parameter |
Value |
|---|---|
|
Thickness |
0.3–3.0 mm |
|
Width |
1000–1250 mm |
|
Length |
1000–5800 mm |
|
Zinc Coating |
60–275 g/m² |
|
Spangle |
Big / Regular |
|
Surface Treatment |
Chromated / Oiled / Anti-fingerprint |
4. Application
Exterior wall panels
Roofing and cladding
Structural components
Pipe and profile forming
Industrial fabrication
5. Processing
Cut-to-length
Roll forming
Welding and assembly
6. Advantages
Wide coating range Z60–Z275
Suitable for structural use
Stable forming performance
Cost-effective solution
7. How to Choose
Exterior wall → Big spangle
Painting → Minimized or zero spangle
Outdoor → Z180 or above
8. FAQ
Q1: Is big spangle suitable for exterior walls?
Yes, for general applications, but not recommended where high surface uniformity is required.
Q2: Can it be painted?
Yes, but minimized or zero spangle is preferred for better finish.
Q3: Does higher coating improve durability?
Yes, higher zinc coating improves corrosion resistance.
Q4: Can size be customized?
Yes, cut-to-length is available.