galvanized steel
DX53D galvanized steel coil is one of the most reliable materials for modern manufacturing and construction projects that require both excellent deep drawing performance and long-term corrosion resistance. However, selecting the correct thickness, zinc coating, and surface treatment is critical to ensuring that DX53D delivers its full performance potential. An optimized specification not only improves product durability but also significantly reduces total project cost over the entire lifecycle.
Specification System of DX53D
Dimensional Range
| Specification Item | Available Range |
|---|---|
| Thickness | 0.12 – 3.0 mm |
| Width | 600 – 1250 mm |
| Coil Weight | 3 – 20 MT |
| Inner Diameter | 508 / 610 mm |
| Outer Diameter | ≤ 2000 mm |
Surface Quality Options
| Surface Finish | Description | Typical Application |
|---|---|---|
| Regular Spangle | Traditional zinc crystal appearance | Structural & industrial panels |
| Minimized Spangle | Uniform surface texture | Appliance panels |
| Zero Spangle | Ultra-smooth surface | Decorative & coated products |
Surface Treatment Types
| Treatment | Function | Application Benefit |
|---|---|---|
| Chromated | Improves corrosion resistance | Outdoor and storage |
| Passivated | Prevents white rust | Transportation & storage |
| Oiled | Protects surface during forming | Deep drawing & stamping |
| Dry | Clean surface for painting | Coated & decorative uses |
Zinc Coating Selection Strategy
| Zinc Coating | g/m² | Environment | Expected Service Life |
|---|---|---|---|
| Z60 | 60 | Indoor, dry | 15–20 years |
| Z120 | 120 | General outdoor | 20–25 years |
| Z160 | 160 | Humid & industrial | 25–30 years |
| Z180 | 180 | Industrial heavy exposure | 30–35 years |
Correct coating selection prevents premature corrosion while avoiding unnecessary cost overdesign.
Thickness Selection by Application
| Application | Recommended Thickness | Zinc Coating |
|---|---|---|
| Appliance shells | 0.5 – 1.0 mm | Z120 |
| HVAC ducting | 0.6 – 1.2 mm | Z120 |
| Industrial enclosures | 0.8 – 2.0 mm | Z160 |
| Warehouse panels | 0.9 – 1.5 mm | Z160 |
| Equipment covers | 1.0 – 2.5 mm | Z160–Z180 |
The correct thickness improves structural integrity while ensuring smooth forming and surface finish.
Projects that follow optimized DX53D specification strategies typically achieve:
12–18% reduction in maintenance expenses
8–12% material savings through thickness optimization
15–25% longer service life of finished components
Higher production efficiency and yield rate
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Mechanical Properties
| Grade | Coating | Standard | Yield strength Re (MPa) | Tensile strength Rm (MPa) | Elongation A80 (min %) | r90 (min) | n90 (min) |
|---|---|---|---|---|---|---|---|
| DX51D | Z, ZA, ZF | EN 10346 | - | 270 – 500 | 22 | - | - |
| DX52D | Z, ZA, ZF | EN 10346 | 140 – 300 ²) | 270 – 420 | 26 | - | - |
| DX53D | Z, ZA, ZF | EN 10346 | 140 – 260 | 270 – 380 | 30 | - | - |
| DX54D | Z, ZA, ZF | EN 10346 | 120 – 220 | 260 – 350 | 36 | 1.6 ⁴) | 0.18 |
| DX56D | Z, ZA, ZF | EN 10346 | 120 – 180 | 260 – 350 | 39 | 1.9 ⁵) | 0.21 ⁵) |
| DX57D | Z, ZA | EN 10346 | 120 – 170 | 260 – 350 | 41 | 2.1 ⁵) | 0.22 |
GNEE STEEL supplies DX53D galvanized steel coil with precise dimensional tolerances, consistent zinc coating thickness, and verified mechanical properties. Every batch is inspected for tensile strength, elongation, coating weight, and surface integrity. GNEE STEEL's technical support team provides engineering-grade selection guidance to ensure each project receives the optimal material configuration.
DX53D galvanized steel coil offers unmatched deep drawing capability and long-term durability when correctly specified. By carefully selecting thickness, coating, and surface treatment, projects achieve maximum performance and minimum lifecycle cost.