Gallianz
https://www.gzcladplates.com/products/clad-head.html
Clad head is a boiler component part of the pressure vessel, which is usually fixed on the two ends of the pressure vessel. It is also a sealing product welded on the pipe end. The welded head can't be knocked-down. The elliptical dished head is the end cover on the pressure vessel, and an important pressure unit. Its role is sealing. The quality of the clad head is directly related to the long-term safe and reliable operation of the pressure vessel.
The ellip head is an indispensable and important component in the pressure vessel equipment of petrochemical industry, atomic energy and food and pharmaceutical industries. It plays a key role. But clad head is produced with bonded two metals. It has more performance of two metals at lower cost. For example, carbon steel, lower alloy, stainless steel, copper, aluminum, titanium (Ti), etc.