Williams Sonoma Signature Thermo-Clad™ Mixed Material 10-Piece Cookware Set


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We developed our Thermo-Clad™ cookware drawing on over five decades of culinary experience, designing every element to provide years of high performance and reliable service. Available only at Williams Sonoma, Thermo-Clad is crafted in Italy to our precise specifications using an exclusive aluminum alloy that delivers up to 35% better thermal conductivity than standard aluminum-clad metal cookware. This set includes both nonstick and stainless-steel essentials for everyday cooking and entertaining.

  • Thermo-Clad technology ensures efficient, uniform heating with precise temperature control and no hot spots.
  • Combines polished magnetic stainless-steel exterior with proprietary aluminum-alloy core.
  • Fry pans feature durable nonstick cooking surface.
  • Saucepans, sauté pan and stockpot have nonreactive 18/10 stainless-steel cooking surface that resists sticking.
  • Ergonomic handles provide comfortable grip and maximum control.
  • 12" nonstick fry pan, 4-qt. saucepan and 4 1/2-qt. sauté pan have helper handles that facilitate lifting and carrying.
  • Double-wall insulated lids keep food warm at 150°F for up to 90 minutes.
  • Designed and developed by Williams Sonoma, and exclusively ours.
  • Handcrafted in Italy.
  • Ideal for all cooktops, including induction.
  • Oven and broiler safe to 500°F.
  • Dishwasher safe.

Set includes:

  • 10" nonstick fry pan
  • 12" nonstick fry pan
  • 2-qt. saucepan with lid
  • 4-qt. saucepan with lid
  • 4 1/2-qt. sauté pan with lid
  • 8-qt. stockpot with lid
  • Please note: Lids are counted as individual pieces.

Dimensions & More Info

  • 10" Nonstick Fry Pan: 11" diam., 2 1/4" high; 2 lb. 11 oz.
  • 12" Nonstick Fry Pan: 12 1/2" diam., 2 1/2" high; 3 lb. 12 oz.
  • 2-Qt. Saucepan: 6 3/4" diam., 5 1/2" high with lid; 2 lb. 14 oz.
  • 4-Qt. Saucepan: 8 3/4" diam., 6 3/4" high with lid; 4 lb. 12 oz.
  • 4 1/2-Qt. Sauté Pan: 11 1/2" diam., 5" high with lid; 6 lb.
  • 8-Qt. Stockpot: 10 1/2" diam., 8 1/2" high with lid; 6 lb. 7 oz.
  • Made in Italy.

Additional Information

  • This product contains the following chemicals: FEP, PFA and PTFE. For more information on chemicals in this product, visit the Williams Sonoma Disclosures page.

Use & Care


  • Ideal for all cooktops, including induction.
  • Oven and broiler safe to 500°F.


  • Allow cookware to cool before cleaning.
  • Dishwasher safe. However, we recommend hand-washing fry pans with soft sponge in hot, soapy water to maintain durability of nonstick surface.
  • Avoid using steel wool, steel scouring pads and harsh detergents.
  • To remove stubborn food residue and stains, use nylon scrubbing pad and fine-powdered cleanser.
  • Nonstick cookware is naturally subject to wear and tear. We recommend replacing pans as needed, or approx. every 5 years.


Williams Sonoma Cookware Lifetime Warranty

From the date of purchase and for the life of the product, Williams-Sonoma guarantees to repair or replace any item found defective in material, construction or workmanship under normal use and following care instructions. This excludes damage from misuse or abuse, as well as normal wear and tear of the product. Minor imperfections, surface markings due to shipping,  and slight color variations are normal.  Williams- Sonoma will replace any item found to be defective in material, construction or workmanship with the most comparable current item in inventory.

Should your Williams-Sonoma cookware require repair or replacement, please contact our Consumer Service Department by phone at 1-800-541-1262 (4am – 9pm PST) 7 days a week. If Williams-Sonoma confirms a defect and approves your claim, Williams-Sonoma will elect to repair or replace the item without charge.