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Galvanized Steel Zero Spangle Dx51d+Z and S350gd+Z for Construction

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Galvanized Steel Zero Spangle Dx51d+Z and S350gd+Z for Construction

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Brand Name : GNEE

Certification : SGS

Place of Origin : China

Price : Negotiable

Payment Terms : Negotiable

Supply Ability : 100 ton/week

Delivery Time : 5-9 working days

Packaging Details : Sea-worthy packing, ie wooden or steel tray with steel strip,etc

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Galvanized Steel Coil

Hot Dipped Galvanized Steel Sheet in Coil (GI) is produced by passing the Full Hard sheet which has undergone the acid washing process and rolling process through the zinc pot, thereby applying zinc film to the surface. It has excellent corrosion resistance, paintability, and workability due to Zinc's characteristics. Usually, hot-dipped galvanized steel sheet and galvanized steel coil process and specifications are basically the same.
Hot-dip galvanizing is the process of applying a protective zinc coating to a steel sheet or iron sheet, to prevent rusting.
* Excellent anti-corrosion, paintability, and processability due to the self-sacrificing characteristic of zinc.
* Available to select and produce the desired amount of zinc gilded and in particular enables thick zinc layers(maximum 120g/m2).
* Classified as either zero spangle or extra smooth depending on whether the sheet undergoes skin pass treatment.

Galvanized Steel Zero Spangle Dx51d+Z and S350gd+Z for Construction

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

Galvanized Steel Zero Spangle Dx51d+Z and S350gd+Z for Construction

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 (desert environments)
AZ200 + S550GD
Sand erosion resistance, 30+ year lifespan
Agriculture
Livestock barn roofs, grain silos
AZ120 + PE film lamination
3× longer maintenance cycles

Key Features:
1.Corrosion Resistance: The zinc layer acts as a barrier against oxygen and moisture in the air, preventing rust. Coating thickness ≥20g/m² significantly enhances durability.
2.Superior Surface Quality :smooth and flawless surface, free from zinc spangles or burrs, enabling direct painting or printing for enhanced aesthetics.
3.Excellent Processability:suitable for cold bending, stamping, and welding. The coating adheres firmly to the base steel, resisting peeling during forming.
4.Eco-Friendly:Some processes adopt chromium-free passivation to reduce environmental impact.

Galvanized Steel Zero Spangle Dx51d+Z and S350gd+Z for Construction


Product Tags:

Galvanized Steel Coil for Construction

      

Zero Spangle Dx51d+Z Steel Coil

      

S350gd+Z Galvanized Steel Coil

      
Quality Galvanized Steel Zero Spangle Dx51d+Z and S350gd+Z for Construction for sale

Galvanized Steel Zero Spangle Dx51d+Z and S350gd+Z for Construction Images

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