Premium S550GD Hot Dipped Galvanized Steel Coil with Z275 Zinc Coating and 0.12-6.00mm Thickness for Global Distribution
Price:
Negotiable
MOQ:
10 Ton
Delivery Time:
Negotiable
Brand:
Gnee
Product Description
Premium S550GD Galvanized Steel Coil
Our hot-dip galvanized steel coils are manufactured using continuous hot-dip galvanizing processes applied to either hot-rolled or cold-rolled steel substrates. These premium galvanized coils offer superior corrosion protection and are engineered for diverse applications across construction, automotive manufacturing, home appliances, container production, transportation equipment, and commercial industries.
Product Specifications
| Product Type | Galvanized Steel Coil/Roll |
| Technical Standards | EN10147, EN10142, DIN 17162, JIS G3302, ASTM A653 |
| Steel Grades | Dx51D, Dx52D, Dx53D, DX54D, S220GD-S550GD; SGCC series; SQ CR series; or custom requirements |
| Available Forms | Coil, Sheet, Plate, Strip |
| Thickness Range | 0.12-6.00mm (custom specifications available) |
| Width Range | 600mm-1500mm (custom widths available) |
| Coating Type | Hot Dipped Galvanized Steel (HDGI) |
| Zinc Coating Weight | 30-275g/m² |
| Surface Treatments | Passivation (C), Oiling (O), Lacquer sealing (L), Phosphating (P), Untreated (U) |
| Surface Structure | Normal spangle (NS), Minimized spangle (MS), Spangle-free (FS) |
| Quality Certification | SGS, ISO Approved |
| Inner Diameter | 508mm / 610mm |
| Coil Weight | 3-20 metric tons per coil |
| Packaging | Export wooden pallets with craft paper and anti-blushing agent protection |
| Delivery Time | Future goods: 15-20 work days; Ready stock: 7-10 days |
Material Quality Assurance
- Completely free from white rust, roll marks, and edge damage
- No camber, dents, holes, or break lines
- Free from scratches and coil set defects
Zinc Coating Specifications
| 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 solution |
| 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 | Roofing sheets, wall panels | 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 option |
| Z275 | 275 | Excellent | Coastal areas, solar mounting systems, high-corrosion environments | Highest standard protection |
Surface Treatment Options
| Surface Treatment Type | Code | Features |
|---|---|---|
| Chromic Acid Treatment | C | Good corrosion resistance, suitable for bare state applications |
| Chromic Acid Treatment + Oiling | S | Enhanced corrosion resistance with oil protection |
| Phosphoric Acid Treatment (Including Sealing) | P | Good corrosion resistance with excellent paint adhesion |
| Phosphoric Acid Treatment (Including Sealing) + Oiling | Q | Corrosion resistance with paint adhesion and transport protection |
| Phosphoric Acid Treatment (Excluding Sealing) | T | Corrosion resistance with good paint performance |
| Phosphoric Acid Treatment (Excluding Sealing) + Oiling | V | Paint performance with corrosion resistance and rust prevention |
| Oiling | O | Prevents rust during transportation and storage |
| No Treatment | M | Suitable for immediate painting applications |
All specifications can be customized according to customer requirements. Contact our technical team for tailored solutions.
Similar Products
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Gnee Steel (tianjin) Co., Ltd.
Location
FLAT/RM 1512 15/F LUCKY CENTRE NO.165-171 WAN CHAI ROAD WAN CHAI HK
Contact Person
Kelly Zhang