The general manufacturing methods of clad steel plate include: filling metal ingot rolling method, explosive compound method, rolling crimping method, surfacing method, etc. Considering the characteristics of titanium, explosive compounding method or rolling crimping method is often used in industry, while the actual production methods include ① explosive compounding method, and rolling crimping method includes ② thick plate rolling method ③ and continuous hot rolling method. Explosive bonding method is usually carried out at room temperature, and rolling crimping method is to assemble the plate, heat and roll.
Key production points of explosion welding titanium steel clad plate: firstly, keep a certain interval between the two metal plates to be crimped, and put an appropriate amount of explosive on them. It is detonated by one end of the explosive, and the explosion speed is several kilometers per second. With this explosion, the titanium plate can collide from the angle of the base steel plate. At this collision point, the base steel plate and titanium plate show fluid behavior due to very large deformation speed and ultra-high pressure. The oxide film and gas adsorption layer on the two metal surfaces are eliminated as metal jet, and the joint between clean surfaces is completed in an instant, which is called cold joint.
The titanium steel clad plate manufactured by this method can continue hot rolling until the plate thickness is 4mm, so it is also called explosive composite method.
Expansion welding titanium steel clad plate is a thick plate, which is mainly used as corrosion-resistant structural material. Chemical equipment such as high-purity para phthalic acid equipment and tubesheet of condenser are used in power generation equipment.
