Dx54d Material Properties
DX54D is a low-carbon, hot-dip galvanized steel grade that combines:
Good mechanical performance: 140–260 MPa yield strength, 270–410 MPa tensile strength, 28–35% elongation
Excellent corrosion resistance: Zinc coating protects steel from rusting
High formability: Suitable for stamping, bending, and deep drawing
Versatility: Widely used in automotive, appliance, and construction industries
DX54D is a cost-effective and reliable steel grade for applications requiring strength, corrosion protection, and ease of fabrication.
- Description
Description
DX54D is a hot-dip galvanized steel sheet grade commonly used in automotive, appliance, construction, and general sheet metal applications. It belongs to the DC04–DC06 series of cold-rolled steel with a zinc coating that provides corrosion protection. DX54D is known for its excellent formability, surface quality, and cost-effectiveness.
1. Chemical Composition
The base steel of DX54D typically has low carbon content, with the following standard ranges:
| Element | Typical Range (%) | Notes |
|---|---|---|
| Carbon (C) | ≤ 0.12 | Low carbon content ensures good ductility |
| Manganese (Mn) | 0.30 – 0.60 | Improves tensile strength and hardenability |
| Phosphorus (P) | ≤ 0.035 | Minimizes brittleness |
| Sulfur (S) | ≤ 0.035 | Controls surface defects and improves weldability |
| Silicon (Si) | ≤ 0.03 | Added for deoxidation |
| Zinc Coating | 40–275 g/m² | Hot-dip galvanizing for corrosion resistance |
Values may vary slightly depending on manufacturer or standard tolerance.
2. Mechanical Properties
DX54D is designed for high formability and moderate strength, making it ideal for stamping, bending, and roll forming.
| Property | Typical Value | Notes |
|---|---|---|
| Yield Strength | 140–260 MPa | Varies with sheet thickness |
| Tensile Strength | 270–410 MPa | Sufficient for structural applications |
| Elongation | 28–35% | Supports deep drawing and bending |
| Hardness | 60–80 HRB | Mild steel base ensures workability |
| Bending Radius | ≥ 1.0 × thickness | Depends on coating and processing |
Key Advantages:
Excellent deep-drawing and forming capabilities
Consistent mechanical properties across sheet or coil
Reliable strength for automotive and appliance panels
3. Surface and Corrosion Resistance
DX54D’s galvanization gives it superior resistance to rust and corrosion:
| Property | Performance |
|---|---|
| Corrosion Resistance | High in atmospheric conditions |
| Surface Smoothness | Smooth, uniform zinc layer suitable for painting or coating |
| Coating Durability | Long-term protection under indoor or mild outdoor conditions |
| Weldability | Good with proper surface preparation |
4. Typical Applications of DX54D
Automotive body panels, fenders, and inner panels
Household appliances such as refrigerators, washing machines, and ovens
Roofing, siding, and construction panels
HVAC ducts and industrial enclosures
Electrical enclosures and equipment housings
