0.3–3.0mm Z60–Z275 Big Spangle Hot Dipped Galvanized Steel Sheet SGCC DX51D for Exterior Wall and Structural Applications

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

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.