All Clad – Born in the U.S. steel age in 1967 Clad Metals began as a small metallurgical company that specialized in formulating bonded metals for a variety of industries. Company founder John Ulam a brilliant metallurgist realized the combination of different metals created composites that yielded superior results. Today from its own mill in Canonsburg Pennsylvania All-Clad is the only bonded cookware manufacturer to use American craftsmen and American-made metals to produce a complete line of superior cookware. The innovative high-performance bonded cookware that All-Clad is known for is handcrafted in the USA by American artisans using American steel. See how our passion for creating beautiful high-performace cookware feeds us each day. Originally designed to meet the demands of professional chefs All-Clad is the undisputed choice in top culinary circles and four-star kitchens throughout the world.Today it is also a prized possession of uncompromising home cooks. The only cookware of its kind All-Clad D5 offers a patented technology with five alternating layers of stainless steel and aluminum for excellent results and optimal browning.Compatible with all cooktops optimal for induction. Patented five-ply construction throughout the pan. 18/10 stainless steel cooking surface will not react with food.