Product Overview Zero spangle hot dip galvanized steel coil is specially produced for applications requiring high surface quality. By controlling zinc crystal growth during galvanizing, it delivers a perfectly smooth, uniform and blemish-free surface, making it the preferred substrate for home appliance shells, electronic enclosures and interior decoration panels.
Full Specifications
| Parameter | Specification Range |
|---|---|
| Steel Grade | DC01+Z, DX51D+Z, DX53D+Z |
| Thickness | 0.2 – 1.0 mm |
| Width | 900 – 1250 mm |
| Zinc Coating (double-sided) | Z40, Z60, Z80, Z100, Z120 g/m² |
| Spangle Type | Zero spangle (spangle-free) |
| Surface Finish | Skin passed (optional), chromated, oiled |
| Surface Roughness | Ra ≤ 1.6 μm (skin passed grade) |
| Coil ID | 508 mm |
| Coil Weight | 4 – 8 MT |
| Standards | EN 10346, JIS G3302, GB/T 2518 |
Core Advantages
- Perfectly smooth surface without visible zinc spangles, excellent for visible appliance parts
- Consistent thickness tolerance ±0.02mm for thin gauges, suitable for precision stamping
- Good paint adhesion and uniform coating weight across the full coil width
- Stable mechanical properties for deep drawing and bending operations
Typical Applications Refrigerator back panels, air conditioner housings, washing machine shells, electrical cabinets, computer chassis, interior decorative panels and metal furniture.
Packing & Delivery Surface protected with PE film on both sides to prevent scratches during transportation. Standard export packing with paper interleaving for thin gauge coils.