Published at Thursday, October 18th 2018, 10:18:14 AM by Fabien Masse. Cookware. The Copper Core All-Clad line blends stainless steel with a copper core for those who want the precision of copper cooking with the fuss and hassle. It is easy to clean and use. There is also the All-Clad LTD cookware set that features layers of anodized steel, aluminum and stainless style for excellent heat conductivity. It has a gleaming black exterior for an impressive appearance. The Cop R Chef is cookware designed for the professional chef.