Factory Price Dx51D Zinc Coated Hot Dipped Galvanized Steel Coil GI Coil
Price:
Negotiable
MOQ:
10 Ton
Delivery Time:
Negotiable
Brand:
Gnee
Product Description
Factory Price Dx51D Hot Dipped Galvanized Steel Coils
Hot-dip galvanized steel coils are manufactured using continuous hot-dip galvanizing processes applied to hot-rolled or cold-rolled steel strips. These galvanized coils are available in various specifications and are widely used in construction, home appliances, automotive manufacturing, container production, transportation, and commercial applications.
Product Specifications
| Product | Galvanized Steel Coil/Roll |
| Technical Standard | EN10147, EN10142, DIN 17162, JIS G3302, ASTM A653 |
| Steel Grade | Dx51D, Dx52D, Dx53D, DX54D, S220GD, S250GD, S280GD, S350GD, S550GD; SGCC, SGHC, SGCH, SGH340, SGH400, SGH440, SGH490, SGH540, SGCD1, SGCD2, SGCD3, SGC340, SGC490, SGC570; SQ CR22 (230), SQ CR22 (255), SQ CR40 (275), SQ CR50 (340), SQ CR80(550), CQ, FS, DDS, EDDS, SQ CR33 (230), SQ CR37 (255), SQCR40 (275), SQ CR50 (340), SQ CR80 (550); or Customer's Requirement |
| Type | Coil/Sheet/Plate/Strip |
| Thickness | 0.12-6.00mm, or customer's requirement |
| Width | 600mm-1500mm, according to customer's requirement |
| Type of Coating | Hot Dipped Galvanized Steel (HDGI) |
| Zinc Coating | 30-275g/m² |
| Surface Treatment | Passivation(C), Oiling(O), Lacquer sealing(L), Phosphating(P), Untreated(U) |
| Surface Structure | Normal spangle coating(NS), minimized spangle coating(MS), spangle-free(FS) |
| Quality | Approved by SGS, ISO |
| ID | 508mm/610mm |
| Coil Weight | 3-20 metric ton per coil |
| Package | Export wooden pallets, craft paper, anti-blushing agent |
| Delivery Time | Future goods: 15-20 Work days, Ready Stock: 7-10 days |
Spangle Surface Pattern
The "spangle" refers to the distinctive surface morphology characteristic of hot-dip galvanized steel coils. As the steel strip passes through the zinc coating bath and the molten zinc solidifies, zinc crystals nucleate and grow, forming the unique snowflake-like pattern that gives spangle its name. This visual characteristic is both descriptive and indicative of the galvanizing process quality.
Zinc Coating Thickness Guide
| 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 | 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 |
| Z275 | 275 | Excellent | Coastal areas, solar mounting systems, high-corrosion environments | High standard |
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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