Knowledge of stainless steel Definition of stainless steel In air or chemical corrosion resistant to corrosion in the medium of a kind of high alloy steel, stainless steel is a beautiful surface and corrosion resistant performance is good, don't have
Repeated several times like this, forming a multilayer shell. The shell has a heating, melting mould melted out of the shell, the shell is calcined, then you can pouring, solidification after the cleaning process for casting.
Both types produce casting a bronze replica of an original exact created by the artist. Through a series of molds and forms duplicate workers create a copy of wax. In the solid investment casting process.
its main advantages in small heat affected zone, casting without preheating temperature, cold welding repair, and no deformation, undercut and residual stress, does not generate local annealing and does not change the casting metal structure.
as an important part of technology and equipment, especially in the petrochemical, power, metallurgy, petrochemical, urban water supply and drainage system, the valve is plays a very crucial role, but the amount is very large.
