DX51D / DX52D / DX53D Hot Dipped Galvanized Steel Coil with 40–275g/m² Zinc Coating for Construction and Appliance Panel Processing

1.Product Overview

Hot dipped galvanized steel coil is widely used in construction panels, appliance housings, and general fabricated sheet components where corrosion resistance and stable forming performance are required. The zinc coating formed through the hot dip process protects the steel surface during storage, transport, and service, while the cold rolled base helps maintain sheet flatness and dimensional consistency.

This product range covers light gauge to medium gauge processing. It is suitable for cut-to-length sheets, slitting, bending, and roll forming, especially in roofing accessories, electrical cabinets, refrigerators, washing machines, and other light industrial sheet applications.

2.Technical Solution

Product performance is based on:

• Continuous hot dip galvanizing with controlled zinc coating mass
• Zinc layer providing barrier protection and sacrificial protection
• DX51D / DX52D / DX53D grades supporting different forming requirements
• Multiple spangle options for visible surface and downstream finishing needs
• Passivated, oiled, or anti-finger surfaces for storage and handling control

In practical processing, coating mass affects corrosion resistance, while tensile strength, yield strength, and elongation influence bending, profiling, and stamping behavior. This makes the material suitable for both profile production and flat sheet fabrication.

3.Specifications

4.Application

• Roofing sheets and roof components
• Wall cladding and partition panels
• Refrigerator, washing machine, and microwave housings
• Electrical cabinets and control box panels
• Ventilation ducts and appliance back panels
• General cut-to-length and slit-strip fabrication

5.Processing

• Cut-to-length sheet production
• Slitting into narrow strips
• Roll forming for roofing and profiles
• Bending and folding
• Stamping and punching
• Surface painting or further coating when required

6.Advantages

• Wide grade selection for general forming and deeper processing needs
• 40–275 g/m² zinc coating range suitable for indoor and outdoor sheet applications
• Multiple spangle choices support visible finish and later coating requirements
• Standard coil dimensions fit common slitting, decoiling, and profile lines
• Cold rolled base improves surface consistency for appliance and panel fabrication
• Suitable for both construction sheet production and industrial enclosure parts

7.How to Choose

• Roofing and outdoor panel use → medium to higher coating is commonly selected
• Appliance panel processing → minimized or zero spangle is often preferred for cleaner appearance
• General bending and forming → DX51D is commonly used
• More demanding forming requirement → DX52D or DX53D can be considered
• Storage before processing → passivated or oiled surface is commonly selected

8.FAQ

Q1: Is this product hot rolled coil or hot dipped galvanized coil?
This specification is hot dipped galvanized steel coil with a zinc-coated surface for sheet processing and fabrication use.

Q2: What is the difference between DX51D, DX52D, and DX53D?
They are commonly used galvanized forming grades. In general, downstream selection depends on required forming level, bending condition, and fabrication route.

Q3: Can this coil be processed into sheets or slit strips?
Yes, it can be cut to length into sheets or slit into narrower strips according to downstream production requirements.

Q4: Which spangle type is better for appliance panels?
Minimized spangle or zero spangle is commonly preferred when a cleaner surface appearance or later painting is required.

Q5: What coil ID is suitable for standard equipment?
508 mm and 610 mm are standard coil IDs commonly used for industrial decoiling, slitting, and cut-to-length lines.