Product Descriptionription
Product Type: Galvanized Steel Coil / Galvanized Steel Strip
Galvanizing Process: Hot-dip galvanizing
Zinc Coating Weight: Z40 – Z275 g/m²
Surface Finish: Regular spangle / Zero spangle
Coil Form: Coil or slit strip
DX53D hot dipped galvanized steel coil is produced in accordance with EN 10346:2015, using low-carbon steel substrate and a continuous hot-dip zinc coating process.
The Gnee provides effective and long-lasting corrosion protection, making the material suitable for a wide range of indoor and outdoor applications.
The product combines excellent surface quality, stable mechanical performance, and good formability, and is widely used in construction, manufacturing, and industrial processing.
Basic Specifications
| Item | Description |
|---|---|
| Product Name | Galvanized Steel Coil |
| Material Grade | ASTM A653, DX51D, DX52D, DX53D, DX54D, SGCC |
| Zinc Coating | 40–275 g/m² |
| Thickness | 0.2 – 3.0 mm |
| Width | 600 – 1500 mm |
| Coil ID | 508 mm / 610 mm |
| Coil Weight | 3 – 8 tons |
| Surface Structure | Mini spangle / Regular spangle / Zero spangle |
| Surface Treatment | Anti-fingerprint, chromated, oiled / non-oiled |
| Hardness | Soft (commercial), hard, full hard (G300–G550) |
| Processing Service | Slitting, cut-to-length |
| Packaging | Standard export seaworthy package |
| HS Code | 721049 |
| Origin | China |
| Business Type | Manufacturer & Supplier |
| Loading Port | Shanghai, China |
Product Highlight:
EN 10346 hot dipped galvanized steel sheet · DX53D galvanized steel sheet · Z40 galvanized plain steel sheet
European Standard EN 10346 Galvanized Steel Grades
Low-Carbon Steel for Cold Forming (DX Series)
DX51D – Commercial quality, suitable for bending and profiling
DX52D – Forming quality
DX53D – Deep drawing quality
DX54D – Extra deep drawing quality
Structural Steel Grades (S Series)
S220GD / S250GD / S280GD / S320GD / S350GD
These structural grades are designed for applications requiring higher load-bearing capacity, with yield strengths ranging from 220 MPa to 350 MPa.
DX53D+Z Galvanized Steel Sheet Features
Long-term corrosion resistance
The galvanized steel sheet performs reliably in different environments, with varying service life depending on exposure conditions.
Low overall protection cost
Compared with painted or coated steel, galvanized steel offers a more economical corrosion protection solution.
Excellent durability
In suburban environments, standard galvanized coatings can last over 50 years without maintenance. In urban or coastal areas, service life typically exceeds 20 years without repair.
High coating reliability
The zinc coating is metallurgically bonded to the steel substrate, forming an integral protective layer.
Strong coating toughness
The zinc layer forms a special metallurgical structure that resists mechanical damage during transportation, handling, and installation.
Comprehensive protection
All exposed areas, including edges, corners, recesses, and hidden sections, are fully protected by the galvanizing process.
Time-saving installation
Hot-dip galvanizing eliminates the need for on-site painting, significantly reducing construction time and labor cost.
DX53D+Z Galvanized Steel Sheet Equivalent Grades
| Standard | Equivalent Specification |
|---|---|
| European EN | EN 10346:2009 |
| China GB | GB/T 2518-2008 |
| Japanese JIS | JIS G3302-2005 |
| US ASTM | ASTM A653M |
| EN Grade | China | Europe | Japan | USA |
|---|---|---|---|---|
| DX53D+Z | DX53D+Z | DX53D+Z | SGCD2 | ASTM A653 FS Type A / Type B |
DX53D+Z Galvanized Steel Sheet Standard Specifications
| Item | Range |
|---|---|
| Thickness | 0.12 – 2.5 mm |
| Width | 1000, 1219, 1500, 1800, 2000, 2500, 3000, 3500 mm (custom available) |
| Length | 1000 – 6000 mm or customized |
| Surface | Normal spangle / skin-passed spangle / regular spangle / minimized spangle |
| Delivery Form | Coils, sheets, strips, foils, shim coils, perforated coils, chequered coils |
| Processing Forms | Flat sheets, blanks (circles), rings (flanges), cut pieces |
Chemical Composition of DX53D+Z (%)
| Element | C | Si | Mn | P | S | Ti |
|---|---|---|---|---|---|---|
| Max. | 0.12 | 0.50 | 0.60 | 0.12 | 0.045 | 0.30 |
Q1: What is DX53D+Z steel?
DX53D+Z is a continuously hot-dip galvanized cold-rolled low carbon steel grade defined in EN 10346. "DX53D" refers to the base steel with enhanced formability, while "+Z" indicates a zinc coating applied on both sides to provide corrosion protection.
Q2: Which standard governs DX53D+Z steel?
DX53D+Z is produced in accordance with EN 10346, which specifies requirements for continuously hot-dip coated flat steel products, including chemical composition, mechanical properties, coating mass, surface quality, and dimensional tolerances.
Q3: What mechanical properties can be expected from DX53D+Z?
DX53D+Z typically offers a tensile strength in the range of approximately 270–410 MPa, with a low yield strength and a minimum elongation of about 23% (A80), making it suitable for forming, bending, and moderate deep-drawing applications.
Q4: How does DX53D+Z differ from DX51D+Z?
Compared with DX51D+Z, DX53D+Z generally provides improved formability and a more stable deformation behavior, making it better suited for parts that require more demanding shaping or complex forming operations.
Q5: What does the "+Z" coating designation mean?
The "+Z" symbol indicates a hot-dip zinc coating applied in a continuous galvanizing line. The coating provides sacrificial corrosion protection, helping to extend the service life of the steel in humid or mildly corrosive environments.
Q6: What zinc coating weights are commonly available for DX53D+Z?
Common zinc coating designations include Z10, Z15, Z20, Z25, and Z30, representing the total zinc mass on both sides in g/m². Higher coating weights provide increased corrosion resistance but may slightly affect formability.
Q7: Is DX53D+Z suitable for welding?
Yes, DX53D+Z exhibits good weldability using standard resistance welding and arc welding methods. However, appropriate ventilation and process adjustments are recommended due to zinc evaporation during welding.