25
2021
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11
Comparison of Common Galvanized Performance
|
Coating types |
Hot-dip galvanizing |
Hot-dip aluminum-zinc-silicon coating |
Hot-dip galvanizing ( 5% Aluminum ) |
Hot-dip aluminizing |
|
Melting point / Celsius |
419.5 |
499-580 |
382 |
600 |
|
Plating solution temperature / Celsius |
455-470 |
600-650 |
420-450 |
650 |
|
Strip steel entering the furnace temperature / Celsius |
Higher than the plating solution 10-60 |
Lower than the plating solution 20-50 |
Higher than the plating solution 10-50 |
650 |
|
Coating Thickness Control |
60-600 |
30-180 |
60-600 |
60-200 |
|
Corrosion resistance of the coating |
Alkaline medium |
Acidic medium |
Alkaline medium |
Acidic medium |
|
Coating density |
7.10 |
3.69 |
6.60 |
2.78 |
|
Heat resistance |
Poorer |
Good |
Poorer |
Best |
|
Market share |
Maximum |
Larger |
Minimum |
Smaller |
Hot-dip galvanized strip steel