Hot-dip galvanization is a form of galvanization. It is the process of coating iron and steel with zinc, which alloys with the surface of the base metal when immersing the metal in a bath of molten zinc at a temperature of around 449 °C (840 °F).
| Technical Standard | ASTM DIN GB JIS3302 |
| Grade | SGCC SGCD or Customer’s Requirement |
| Type | Commercial Quality/DQ |
| Thickness | 0.13mm-4.0mm |
| Width | 600mm-1500mm |
| Type of Coating | Hot Dipped Galvanized |
| Zinc Coating | 30-275g/m2 |
| Surface Treatment | Passivation/skin pass/non-oiled/oiled |
| Surface Structure | Zero Spangle / Mini Spangle / Regular Spangle / Big Spangle |
| ID | 508mm/610mm |
| Coil Weight | 3-10metric ton per coil |
| Package | Standard export package or customized |
| Hardness | HRB50-71 ( CQ Grade ) |
| HRB45-55 ( DQ Grade ) | |
| Yield Strength | 140-300 (DQ Grade) |
| Tensile Strength | 270-500 (CQ Grade) |
| 270-420 (DQ Grade) | |
| Elongation Percentage | 22 (CQ Grade thickness less 0.7mm) |
| 24 (DQ Grade thickness less 0.7mm) |
Usage
Infrastructure: Roofing; External Siding; Garage; Shutter
Household Appliances: Oven; Air-Conditioning Ventilation System; Solar Water Heater; Electronics;
Automobile: Mobile Muffler; Vent Pipe; Catalysis Converter Heater Shield; Bottom Accessories;
Industrial Instrument: Electric Control Cabinet; Industrial Freezer Chest; Dispenser;
FAQ
Q: Are you trading company or manufacturer?
A: We are professional manufacturer for many years. we can provide a wide range of steel products.
Q: Will you delivery the goods on time?
A: Yes,we promise to provide best quality products and delivery on time .Honesty is our company's tenet.
Q: Do you provide samples ? is it free or extra ?
A: The sample could can provide for customer with free,but the courier freight will be covered by customer account.
Q: Do you accept the third party inspection?
A: Yes absolutely we accept.
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