... widely used in alkali industry, colored metallurgy, iron and steel industry, acerbity industry, petroleum chemical industry, synthetic ... and corrosion liquid.3. CharacteristicIt has the merit of high dependability, easy maintenance, high standard level. the material contain cast iron, cast ... steel, 304,304L, 316, 316L,CD-4Mcu, 904,904L and hastelloy. The temperature ...