Galvanized Steel Coil
Galvanizing Steel coil is a thin steel sheet dipped into a molten zinc tank to make its surface adhere to a layer of zinc.The main use of continuous galvanized process production, that is, the roll of steel plate continuous dip in the melting zinc plating tank made of galvanized steel.
DX54D Galvanized Steel Coil is engineered for high-performance forming and corrosion resistance under the EN 10346 standard. As a premium hot-dip galvanized product, DX54D steel coil offers exceptional surface quality and mechanical stability for demanding industrial applications.DX54D galvanized steel coil is produced by continuously immersing cold-rolled steel into molten zinc. This process ensures uniform coating adhesion and long-term durability.
Core advantages of DX54D Galvanized Steel Coil:
Excellent coating uniformity
Superior deep drawing capability
Smooth surface finish
Strong resistance to atmospheric corrosion
Standard Dimensions of DX54D Galvanized Steel Coil
| Parameter | Range |
|---|---|
| Thickness | 0.3 – 3.0 mm |
| Width | 600 – 1500 mm |
| Coil Weight | 3 – 8 MT |
| Zinc Coating | Z100 – Z275 |
Table 1: Standard Dimensions of DX54D Galvanized Steel Coil
Surface Quality Options
Zinc Thickness
| Zinc Coating Grade | Zinc Coating (g/m²) | Corrosion Resistance | Typical Applications | Remarks |
| Z30 | 30 | Very low | Indoor parts, home appliance inner panels, ventilation ducts | Not suitable for outdoor use |
| Z60 | 60 |
Low |
Indoor structures, temporary facilities | Low cost |
| Z80 | 80 | Medium | Light steel structures, base metal for PPGI | Good cost performance |
| Z100 | 100 | Medium | PPGI, fencing, general construction
|
Common export grade |
| Z120 | 120 | Medium-High |
|
Longer service life |
| Z140 | 140 | Medium-High | Industrial buildings, agricultural facilities | Suitable for outdoor use |
| Z180 | 180 | High | Long-term outdoor structures, equipment housings
|
Recommended for outdoor use |
| Z200 | 200 | Very high | Humid environments, heavy structures
|
Higher cost |
| Z275 | 275 | Excellent
|
Coastal areas, solar mounting systems, high-corrosion environments | High standard |
Spangle
The "spangle" is a type of surface morphology found on hot-dip galvanized (pure zinc-coated) steel coils. When the steel strip passes through the zinc pot, its surface becomes coated with liquid zinc. As the zinc layer naturally solidifies, zinc grains nucleate and grow, forming what is known as "spangle."
The name "spangle" comes from the fact that the complete zinc crystals display a snowflake-like pattern, which is quite vivid and descriptive.
Zinc Coating Adhesion Test Standards
| Test Item | Standard Requirement |
|---|---|
| Bend Test | No peeling |
| Impact Test | No flaking |
| Coating Uniformity | ±10% tolerance |
Table 2: Zinc Coating Performance Standards
Common buyer concerns include coating peeling, rust spots, and dimensional tolerance. GNEE STEEL addresses these through strict process control and pre-shipment inspections.
Founded in 2008, GNEE STEEL supplies DX54D galvanized steel coil worldwide with:
- 8000+ clients
- 160+ countries served
- 200+ skilled employees
Their stable quality and professional service ensure reliable long-term supply.
| PRODUCT NAME | GRADE | SIZE | COIL WEIGHT |
| GI | DX51D + Z60 | 0.5*1000*C | 8.755 |
| GI | DX51D + Z60 | 0.5*1000*C | 8.76 |
| GI | DX51D + Z60 | 0.5*1000*C | 8.644 |
| GI | DX51D + Z60 | 0.5*1000*C | 8.685 |
| GI | DX51D + Z60 | 0.5*1000*C | 8.688 |
| GI | DX51D + Z60 | 0.5*1200*C | 8.856 |
| GI | DX51D + Z60 | 0.5*1200*C | 9.02 |
| GI | DX51D + Z60 | 0.5*1200*C | 9.06 |
| GI | DX51D + Z60 | 0.5*1200*C | 9.065 |
| GI | DX51D + Z60 | 0.5*1200*C | 9.215 |
| GI | DX51D + Z60 | 0.5*1200*C | 11.997 |
| GI | DX51D + Z60 | 0.5*1250*C | 14.07 |
| GI | DX51D + Z60 | 0.5*1250*C | 14.365 |
| GI | DX51D + Z60 | 0.5*1250*C | 14.51 |
| GI | DX51D + Z60 | 0.5*1485*C | 14.64 |
| GI | DX51D + Z60 | 0.5*1485*C | 13.12 |
| GI | DX51D + Z60 | 0.5*1485*C | 9.295 |
| GI | DX51D + Z60 | 0.5*1485*C | 9.335 |
| GI | DX51D + Z60 | 0.5*1485*C | 9.56 |
| GI | DX51D + Z60 | 0.5*1485*C | 10.89 |
| GI | DX51D + Z60 | 0.5*1485*C | 11.51 |
| GI | DX51D + Z60 | 0.5*1485*C | 11.59 |
| GI | DX51D + Z60 | 0.6*0960*C | 12.87 |
| GI | DX51D + Z60 | 0.6*0960*C | 9.32 |
| GI | DX51D + Z60 | 0.6*0960*C | 9.32 |
| GI | DX51D + Z60 | 0.6*0960*C | 9.37 |
| GI | DX51D + Z60 | 0.6*0960*C | 9.39 |
| GI | DX51D + Z60 | 0.6*1000*C | 9.58 |
| GI | DX51D + Z60 | 0.6*1000*C | 9.84 |
| GI | DX51D + Z60 | 0.6*1056*C | 14.83 |
| GI | DX51D + Z60 | 0.6*1057*C | 9.365 |
