1. a, Beams processing: the aluminum alloy material is heated to 700-720 ° C for smelting, the aluminum alloy melt is poured into an aluminum alloy round ingot, homogenization treatment: heating to 455-470 ° C, holding f...

1. Identification of the material of the pan head: The surface of the pan head made of pure aluminum ingot can be seen at a glance. On the contrary, the surface of the pan head made of miscellaneous aluminum will be...