The discharge rack is welded by profile steel. The center distance between profile steel and section steel is 1200mm and length is 4555mm . It is composed of 12 pieces. The neat inclination angle is 4 °...
1 steel pipe heat treatment process is:
Quenching - After the medium frequency furnace heats the steel pipe to 930 °C, the workpiece is spray-cooled and quenched by water spray cooling at the exit...