ASTM A653 Dx51D Hot Dipped Galvanized Steel Coil 0.12-6.0mm Thickness 30-275g/m² Zinc Coating
Hot-dip galvanizing involves the reaction of molten zinc with an iron substrate to create a durable alloy layer that permanently bonds the substrate and plating. The process includes pickling to remove surface oxides, followed by cleaning in specialized solutions, and immersion in the hot-dip bath. This method ensures uniform coating, exceptional adhesion strength, and extended service life.
| Parameter | Specifications |
|---|---|
| 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 | 0.12-6.0mm or customer's requirement |
| Width | 600-1500mm 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 Certification | Approved by SGS, ISO |
| Inner Diameter (ID) | 508mm/610mm |
| Coil Weight | 3-20 metric tons per coil |
- Dual Protection: Combines physical barrier protection with electrochemical zinc protection
- Superior Machinability: Excellent performance in rolling, coiling, and forming operations
- Enhanced Thermal Resistance: Maintains integrity up to 315°C for extended periods
- High Reflectivity: Reflects heat and light at twice the rate of standard steel, with reflectivity exceeding 0.70
- Energy Efficient: Ideal construction material for energy-saving applications
Standard packaging includes inner waterproof paper, outer galvanized steel protection, side guard plates, and secure wrapping with seven steel bands. Custom packaging available upon request.
Shandong Dingcheng Liye Material Company, established in 2015, is a modern steel enterprise specializing in carbon steel, alloy steel, galvanized steel pipes, tubes, plates, coils, and profiles. Strategically located near Qingdao Seaport for efficient logistics, we maintain over 15,000 tons of standing inventory and serve global markets including Europe, Africa, Central Asia, Southeast Asia, Middle East, South America, and North America.
Q: Can I get samples before order?
A: Yes, samples are typically provided free of charge according to your specifications or technical drawings.
Q: What is your delivery time?
A: Standard delivery is approximately 1 month, with expedited 3-day shipping available for in-stock items.
Q: What are your payment terms?
A: Standard terms include 30% deposit with balance against B/L. L/C accepted for EXW, FOB, CFR, and CIF shipments.
Q: What does your factory do regarding quality control?
A: We maintain ISO, CE, and API certifications with comprehensive quality inspection throughout all manufacturing processes.
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