Corrosion Protection
Long service life in harsh environment
Hot Dip Galvanizing
Superior Corrosion Protection. Long Service Life.
ZZ Steel owns advanced hot dip galvanizing plants to provide excellent corrosion protection for steel structures. Our galvanizing process is performed in strict accordance with international standards, ensuring high quality, uniform coating and long service life in the harshest environments.
Corrosion Protection
Zinc Coating
Uniform coating, strong adhesion
Galvanizing Plant
Large capacity, high efficiency
Standards
ISO 1461, ASTM A123, EN ISO 1461
2Galvanizing Plants
2Galvanizing Lines
20,000mm(L) × 1,800mm(W)Max. Workpiece Size
80,000+ Tons / YearGalvanizing Capacity
Fast Turnaround TimeOn-time Delivery
Our Galvanizing Plant
Our hot dip galvanizing plants are designed with advanced equipment and environmental protection systems.
We ensure consistent zinc coating thickness and excellent surface quality for all steel components.
Galvanizing Line Overview
Advanced continuous hot dip galvanizing line.
Galvanizing Bath
High quality zinc kettle, stable temperature control.
Fume Extraction System
Efficient fume treatment system to protect environment.
Quenching System
Rapid cooling for better coating performance.
Finished Products
Smooth surface, uniform coating, excellent appearance.
Galvanizing Process
Check dimensions and surface condition
Remove oil and contaminants
Remove rust and mill scale
Clean surface thoroughly
Improve coating adhesion
Immersed in molten zinc (~450°C)
Cooling for better coating quality
Coating thickness and adhesion test
Quality Control
We strictly control every step of the galvanizing process to ensure the best quality.
Coating Thickness Test
Ensure coating thickness meets standard requirements.
Surface Quality Inspection
Check surface for smoothness, uniformity and defects.
Coating Adhesion Test
Perform adhesion test as per standards.
Zinc Layer Analysis
Analyze zinc coating composition to ensure quality.
Final Inspection
Comprehensive inspection before delivery.
Standards & Specifications
Our hot dip galvanizing process complies with the following standards:
ISOISO 1461
ASTMASTM A123/A123M
ENEN ISO 1461
GBGB/T 13912
IECIEC 61400-24
- Zinc coating weight: 85μm – 120μm (average)
- Coating type: Spangle (regular / minimized)
- Color: Silver gray
- Surface treatment: Smooth, uniform, no bare spots
Applications
Hot dip galvanized steel products are widely used in:
Durable Protection. Reliable Performance.
ZZ Steel provides high-quality hot dip galvanizing services to protect your
steel structures and extend their service life.