Hot Dipped AISI Galvanized Steel Coils 508mm 610mm GI Coils
Product Details
| Coil Id: | 508 / 610 Mm | Item: | Hot-dipped Galvanised Steel Coil |
|---|---|---|---|
| Pay Terms: | T/T L/C | Coil Weight: | 3-10 Ton Or Baby Coils |
| Type: | Hot Dipped | Weight Per Coil: | 1-10 Tons |
| Yield Strength: | 230-450 MPa | Tensile Strength: | 270-550 MPa |
| Highlight |
Hot Dipped Galvanized Steel Coils,508mm Galvanized Steel Coils,610mm gi coils |
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Product Description
High quality Hot-Dipped AISI Galvanized Steel Coils with 508mm and 610mm inner diameter GI coils.
| Standard | AISI, ASTM, BS, DIN, GB, JIS |
| Type | Hot Dipped |
| Surface | Galvanized Coated |
| Surface Structure | Normal spangle coating(NS), minimized spangle coating(MS), spangle-free(FS) |
| Zinc Coating | 15-275g/m² |
| Thickness | 0.12mm-4.0mm |
| Width | 600mm-1250mm |
| Coil Weight | 3-5 Tons or Required |
| Coil ID | 508mm/610mm |
| Coating | PE/PVDF/HDP/SMP |
| Top Painting | 10-35 Microns |
| Back Painting | 5-35 Microns |
| MOQ | 5 Tons (1 20ft FCL) |
| Payment Term | T/T (30% Deposit + 70%) |
Product packaging can be customized according to customer requirements and factory standards.
- Low processing cost: The cost of hot-dip galvanizing and rust prevention is lower than that of other paint coatings.
- Multi-faceted protection: Each part of the plated components can be coated with zinc, even in recesses, sharp corners and hidden places for comprehensive protection.
- Simple inspection: The hot-dip galvanized layer can be tested visually and with simple non-destructive coating thickness measurement.
| Galvanized steel coil products are mainly used in: | Construction, light industry, automobile, agriculture, animal husbandry, fishery and other industries. |
Applications include building roofs, highway guardrails, sheet metal processing, roof grilles, household appliance enclosures, ventilation ducts, chimneys, kitchen utensils, grain storage and transportation, frozen processing of meat and aquatic products, etc.
Zinc coating weight (also called zinc mass) is measured in g/m² (both sides total). It determines the corrosion resistance lifespan of the steel.
| Grade | Coating Mass (g/m²) | Typical Application |
|---|---|---|
| Z40-Z80 | 40-80 | Indoor use, light protection |
| Z100-Z140 | 100-140 | General construction, roofing |
| Z180-Z275 | 180-275 | Heavy industry, structural components |
| Z350-Z450 | 350-450 | Coastal areas, high-corrosion environments |
Note: Higher coating weight = longer service life = higher cost. We recommend selecting based on your actual environmental conditions.
Our galvanized steel coils comply with major international standards:
- ASTM A653 - American Standard
- JIS G3302 - Japanese Standard
- EN 10346 - European Standard
- GB/T 2518 - Chinese Standard
All products come with Mill Test Certificates (MTC) that can be provided upon shipment.
Spangle refers to the visible crystal patterns on the surface of galvanized steel, formed during the solidification of the zinc coating.
| Type | Description | Recommended Use |
|---|---|---|
| Regular Spangle | Visible snowflake-like crystals | Applications where appearance is not critical; prepainted base |
| Zero Spangle (Minimal Spangle) | Smooth, uniform surface with no visible crystals | Painting applications, prepainted steel, automotive parts, where surface smoothness matters |
Recommendation: If you plan to paint directly on the surface, zero spangle is strongly recommended for better paint adhesion.
While galvanized steel offers excellent corrosion protection, white rust (zinc oxide) can occur under certain conditions:
- Poor ventilation during storage
- High humidity or condensation
- Direct contact with rainwater
Prevention methods:
- Passivation treatment - We apply chromate or chromium-free passivation before shipment
- Oil coating - Anti-rust oil can be applied for ocean freight shipments
- Proper storage - Store in a dry, ventilated warehouse; avoid outdoor storage
Product Highlights
Hot Dipped AISI Galvanized Steel Coils 508mm 610mm GI Coils High quality Hot-Dipped AISI Galvanized Steel Coils with 508mm and 610mm inner diameter GI coils. Product Specifications Standard AISI, ASTM, BS, DIN, GB, JIS Type Hot Dipped Surface Galvanized Coated Surface Structure Normal spangle ...
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