Shrinkage This defect often occurs in the thick part of the ...
The solubility of lead, tin and cadmium in the zinc alloy ...
Alloy tool steels are higher in hardenability, hardenability, wear resistance and ...
The difference between pure iron, steel and pig iron mainly ...
Pig iron: It is an iron-carbon alloy with a carbon content ...
①Single varieties of scrap aluminum Such waste aluminum is generally a ...
Aluminum powder coating is a more important variety in metal powder ...
Because the technical content requirements of aluminum gussets are not too ...
