Material of steel fire rated door
- Jun 25, 2019-
Our company's steel fire door mainly USES the raw material has the cold plate, the galvanized plate, the zinc iron alloy plate.According to the thickness of steel plate, it can be divided into A40, A60, A80. The most commonly used are A40 and A60.The price of galvanized sheet is a little more expensive, but good rust resistance, now most of the orders are using galvanized sheet.
our fire rated door of steel and woodn,the material is good and useful for our costomers,you can Rest assured choice.