Industrial Hot Dipped Galvanized Steel Coil with 1000–1250mm Width, 195–420 MPa Yield Strength, and 12–25% Elongation

Industrial Hot Dipped Galvanized Steel Coil with 1000–1250mm Width, 195–420 MPa Yield Strength, and 12–25% Elongation

1. Product Overview

Hot dipped galvanized steel coil is a commonly used base material for structural parts, sheet metal components, and downstream fabricated products requiring both corrosion resistance and forming stability. By applying a zinc layer through continuous hot-dip galvanizing, the steel surface gains long-term protection under indoor, semi-exposed, and outdoor service conditions.

The width range of 1000–1250 mm is suitable for mainstream industrial lines, while the combination of controlled yield strength and elongation supports applications where both load-bearing capacity and forming performance are required. This makes the product relevant for construction, automotive parts, electrical enclosures, and general fabrication.

2. Technical Solution

Product performance is based on the following technical characteristics:

• Continuous hot-dip galvanizing with controlled zinc coating mass
• Zinc layer providing barrier protection and sacrificial protection
• Yield strength of 195–420 MPa for structural stability
• Elongation of 12–25% for bending, stamping, and profiling operations

In practical processing, yield strength affects shape retention and load response, while elongation determines forming behavior. This balance is important in applications where the coil is further processed into sheets, strips, panels, or formed profiles.

3. Specifications

4. Application

• Structural steel components
• Roofing and wall cladding systems
• Automotive body panels and reinforcement parts
• Electrical cabinets and equipment housings
• Household appliance panels
• General sheet metal fabrication

5. Processing

• Slitting into narrow strips
• Cut-to-length sheet production
• Roll forming and bending
• Stamping and drawing
• Surface coating or painting

6. Advantages

• Width range matches common industrial processing equipment
• Balanced strength and elongation for structural and forming applications
• Z60–Z275 coating range supports different corrosion environments
• Multiple surface treatments available for storage and downstream use
• Coil supply improves efficiency in continuous fabrication lines

7. How to Choose

• Structural fabrication → select higher yield strength grade
• Outdoor or humid environment → select higher coating such as Z200–Z275
• Forming-intensive processing → prioritize elongation ≥18%
• Visible surface or cleaner appearance → consider bright finish
• Storage before processing → oiled or chromated surface is commonly selected

8. FAQ

Q1: Why is elongation important for galvanized steel coil?
Elongation affects forming performance and helps reduce cracking risk during bending, stamping, and profiling.

Q2: What zinc coating level is suitable for outdoor applications?
Higher coating levels such as Z200–Z275 are typically selected for improved corrosion resistance.

Q3: Can this coil be processed into sheets or strips?
Yes, the coil is commonly slit or cut to length for downstream sheet and strip fabrication.

Q4: What coil ID is compatible with standard equipment?
508 mm and 610 mm are standard coil IDs widely used in industrial processing lines.

Q5: Which surface treatment is suitable for storage and transport?
Oiled or chromated surfaces are commonly used to reduce oxidation during storage and shipment.