Still Kettle for AAC Block and Panel Production 1 16MnR steel plate ... the body flange and bung flange .The welding line of the pressed parts are all come up to ... adopts active fast door construction, by handheld speed-down machine or adopts electric, gas, or liquid on-and-off ... pipe pile, fly ash brick, air entrained concrete masonry block, high-strength plaster, and other cement product, strong gypsum ...