1. Fake and inferior steel is easy to fold. If it is inferior steel, it is easy to be bent, making the steel lose its original shape. The main reason for this is that the manufacturer blindly pursu...

Thickness of zinc containing layer of national standard hot-dip galvanized steel plate: according to gb510018-2002, zinc containing layer of hot-dip galvanized steel plate: 180-220g / ㎡, rather tha...

There are two kinds of zinc flowers in hot-dip galvanized coil: one is all normal zinc flowers, and the other is zinc free flowers. In previous hot-dip galvanizing products, because the lead in the...

One side of hot-dip galvanized steel sheet is 40g per square meter, and the thickness converted into galvanized layer should be 5.398 microns.Galvanized sheet refers to the steel plate with a layer...

1. Detailed introduction of galvanized coil:Galvanized coil refers to the thick steel plate with a layer of zinc on the surface. Galvanizing is a frequently used economic development and reasonable...

Poor operation of zinc pot is the main cause of surface defects of hot-dip galvanized sheet, so the following points should be paid attention to during operation:1. Scum on both sides of hot-dip ga...

Sheet metal stamping is a very important metal plastic forming method, which is widely used in aerospace, automobile and locomotive, motor and electrical appliances, food packaging, daily hardware,...

Wrinkling is also a typical quality defect in the stamping process, which directly affects the product surface quality. For example, the poor forming quality of automobile appearance panels in Chin...