Analysis of fire protection grade of hot-dip galvanized steel sheet
21.06.2024
I. Basic knowledge of hot-dip galvanized steel sheet
Hot-dip galvanized steel sheet is made after washing, pickling and galvanizing treatment of steel sheet, which has good corrosion resistance and decorative properties. At the same time, in the construction sector, hot-dip galvanized steel sheets are also widely used in the production of fireproof materials and the processing of building materials.
2. Fire protection grade of hot-dip galvanized steel plate
In order to meet the requirements of a building for fire protection grade, hot-dip galvanized steel sheet must undergo a series of fire protection tests and assessments before it can be used in the construction field. The following table shows the common fire protection grades for hot-dip galvanized steel sheets:
|
Fireproof rating |
Level Description |
|---|
|
B1 |
Nonflammable |
|
B2 |
Flammable |
|
B3 |
Combustible |
It should be noted that different areas have different requirements for the fire protection grade of buildings, and therefore, when using hot-dip galvanized steel sheet, different fire protection grades need to be selected according to the actual situation.
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