DX54D+Z galvanized steel coils are manufactured using a continuous hot-dip galvanizing process in accordance with EN 10346 standards. This process involves immersing cold-rolled steel strip into molten zinc to form a uniform and firmly bonded zinc coating on the surface.
The DX54D grade is specifically designed for applications requiring excellent deep-drawing performance, high elongation, and stable mechanical behavior, while the "+Z" designation indicates pure zinc coating for enhanced corrosion protection.
As an experienced DX54D+Z galvanized steel coil manufacturer and supplier in China, we strictly control chemical composition, mechanical properties, coating weight, and dimensional tolerances. All products are supplied with stable quality, full inspection records, and competitive pricing to meet international project and industrial requirements.
Chemical Composition of EN DX54D+Z Galvanized Steel Coil
| Element | C | Si | Mn | P | S | Al | Ti |
|---|---|---|---|---|---|---|---|
| Max (%) | 0.01 | 0.10 | 0.30 | 0.025 | 0.020 | 0.015 | 0.10 |
Low carbon and controlled alloy content ensure excellent formability, reduced cracking risk during deep drawing, and consistent surface quality.
Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (MPa) | 120 – 220 |
| Tensile Strength (MPa) | 260 – 350 |
| Elongation (%) | ≥ 36 |
| Formability | Excellent (deep drawing grade) |
DX54D+Z steel coils offer high elongation and low yield strength, making them particularly suitable for complex stamping, bending, and deep-forming operations.
Available Dimensions
| Item | Specification |
|---|---|
| Thickness | 0.1 – 3.0 mm |
| Width | 600 – 1500 mm |
| Coil Inner Diameter (ID) | 508 mm / 610 mm |
| Coil Weight | 3 – 5 MT (customizable) |
| Dimensional Tolerance | Thickness ±0.01 mm, Width ±2 mm |
Custom sizes can be supplied according to customer drawings or project requirements.
Zinc Coating & Surface Quality
| Item | Range / Type |
|---|---|
| Zinc Coating Weight | Z30 – Z275 (30–275 g/m²) |
| Spangle Type | Regular spangle, minimized spangle, zero spangle |
| Coating Uniformity | Verified by magnetic thickness gauge / XRF |
| Coating Adhesion | No peeling or cracking after bending test |
The zinc layer provides long-term corrosion resistance, especially suitable for outdoor and humid environments.
Surface Treatment Options
Chromated
Galvanized (standard)
Oiled
Slightly oiled
Dry surface
Anti-fingerprint coating
Surface treatment can be selected based on forming process, storage conditions, and final application requirements.
Inspection & Testing
Each batch of DX54D+Z galvanized steel coils undergoes strict inspection, including:
Tensile test
Bending test (90° / 180°)
Transverse specimen testing
Zinc coating thickness measurement
Surface inspection (scratches, pinholes, coating defects)
Mill Test Certificates (EN 10204 3.1 / 3.2) are available upon request.
Packaging & Logistics
DX54D+Z galvanized steel coils are packaged to ensure safe transportation and storage:
Inner layer: waterproof paper or VCI film
Outer layer: galvanized steel sheet protection
Reinforcement: steel strips and edge protectors
Support: wooden or steel pallets
Loading: containerized or bulk shipment
Customized packaging solutions are available according to customer logistics needs.
Applications of DX54D+Z Galvanized Steel Coil
DX54D+Z galvanized steel coils are widely used in:
Steel structure components
Building exterior panels and facades
Roofing sheets and construction materials
Household appliance housings
Tube and pipe manufacturing
Automotive and industrial stamping parts
Its excellent deep-drawing performance and corrosion resistance make it a preferred material for complex-shaped components and long-service-life structures.
Supplier Commitment
If you are interested in our DX54D+Z hot-dipped galvanized steel coils, please feel free to contact us. Our technical and sales teams will respond promptly to your inquiries.
We are committed to supplying qualified DX54D+Z galvanized steel coil products with reliable quality, complete documentation, and reasonable pricing, and we welcome your inquiries and long-term cooperation.
Q1: What is DX54D+Z steel?
DX54D+Z is a continuously hot-dip galvanized, extra deep drawing cold-rolled steel grade defined by EN 10346. "DX54D" indicates the base steel has higher formability and lower yield strength than DX53D, while "+Z" denotes a zinc coating on both sides for corrosion protection.
Q2: Which standard applies to DX54D+Z steel?
DX54D+Z is produced according to EN 10346, which covers chemical composition, mechanical properties, zinc coating mass, surface quality, and dimensional tolerances for continuously galvanized flat steel.
Q3: What mechanical properties does DX54D+Z have?
DX54D+Z generally features a tensile strength of approximately 270–420 MPa, a low yield strength for enhanced formability, and a minimum elongation of around 28% (A80), making it ideal for complex stamping, deep drawing, and bending operations.
Q4: How does DX54D+Z differ from DX53D+Z?
DX54D+Z has slightly lower yield strength and higher elongation compared to DX53D+Z, which makes it more suitable for deep-drawing or highly formed components, where avoiding cracking and spring-back is critical.
Q5: What does the "+Z" coating indicate?
The "+Z" symbol represents a continuous hot-dip zinc coating applied to both sides of the steel. This sacrificial coating provides corrosion resistance, prolonging the service life of the material in atmospheric or mildly corrosive conditions.
Q6: What zinc coating weights are available for DX54D+Z?
Typical coating weights include Z10, Z15, Z20, Z25, Z30, and higher. These values represent the total zinc mass in g/m² on both sides. Heavier coatings improve corrosion resistance but may slightly reduce formability.
Q7: Can DX54D+Z be welded?
Yes, DX54D+Z can be welded using standard resistance and arc welding methods. Zinc evaporation may occur locally during welding, so proper ventilation and process control are recommended.