Tramontina 12-Piece Tri-Ply Clad Stainless Steel Cookware Set
Quick verdict
- Verdict
- Conditional
Uncoated, fully clad stainless set at the lowest observed price of any set here, but only this exact Costco SKU qualifies, and Costco showed it unavailable on the check date.
Exact SKU only: do not substitute another similarly named set. See version details.
- Caution
- Costco showed the set unavailable at warehouses on the check date; availability may vary by warehouse.
- Never treat any other Tramontina 12-piece set as this product.
- Good
- Uncoated 18/10 stainless food-contact surface over an aluminum core, confirmed on the Costco page.
- Complete assortment at the lowest observed set price in this research.
What we could not verify
- Sources are manufacturer or retailer pages; no independent laboratory test of this product was reviewed.
- Prices and availability change often; the observed price is dated and is not a signal of quality.
- Costco main listing was unavailable at research time. Do not substitute similarly named Tramontina sets; some current 12-piece sets include ceramic-coated pans.
- Exact SKU only: do not substitute another similarly named set.
Why we reached this verdict
Costco lists Model 80116/003DS (Item 1596023) as fully clad tri-ply: an 18/10 stainless interior, an aluminum core and a magnetic stainless exterior, with no nonstick or ceramic coating. It has 8 and 10 in sauté pans, a 3 qt deep sauté, 1.5 and 3 qt saucepans, a 5 qt Dutch oven and an 8 qt stock pot, oven safe to 500°F. Buy only Costco Item 1596023 / Model 80116/003DS. Other current Tramontina “12-piece Tri-Ply” products have different contents, and some include ceramic-coated pans. Its price has varied between listings.
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Buying link paused: the retailer lists model 80116/249DS; this review covers Costco model 80116/003DS.Key specifications
| Spec | Value |
|---|---|
| Exact SKU / model | Costco Item 1596023 / Model 80116/003DS |
| Material family | Stainless steel |
| Food-contact material | Fully clad tri-ply: 18/10 stainless interior / aluminum core / magnetic stainless exterior |
| Coating or finish | Uncoated |
| No applied coating | Yes |
| Availability when researched | Costco page unavailable at research time; may appear in warehouse or same-day inventory. |
| Research confidence (materials and disclosure) | High |
| Formulation / construction verification required | Not required for this exact SKU; required if substituting another Tramontina 12-piece set |
| Exact SKU and construction confirmed | No |
| Research source | Original research, re-checked |
| Oven or heat limit | 500°F |
What we like and what concerns us
- Caution
- Costco showed the set unavailable at warehouses on the check date; availability may vary by warehouse.
- Never treat any other Tramontina 12-piece set as this product.
- Good
- Uncoated 18/10 stainless food-contact surface over an aluminum core, confirmed on the Costco page.
- Complete assortment at the lowest observed set price in this research.
Why we reached this verdict
Costco lists Model 80116/003DS (Item 1596023) as fully clad tri-ply: an 18/10 stainless interior, an aluminum core and a magnetic stainless exterior, with no nonstick or ceramic coating. It has 8 and 10 in sauté pans, a 3 qt deep sauté, 1.5 and 3 qt saucepans, a 5 qt Dutch oven and an 8 qt stock pot, oven safe to 500°F. Buy only Costco Item 1596023 / Model 80116/003DS. Other current Tramontina “12-piece Tri-Ply” products have different contents, and some include ceramic-coated pans. Its price has varied between listings.
Explore materials & ingredients
Explore the evidence
The food-contact materials
Food-contact material
- Recorded construction
- Fully clad tri-ply: 18/10 stainless interior / aluminum core / magnetic stainless exterior
Coating or finish
- Recorded coating or finish
- Uncoated
What we could not verify
- Sources are manufacturer or retailer pages; no independent laboratory test of this product was reviewed.
- Prices and availability change often; the observed price is dated and is not a signal of quality.
- Costco main listing was unavailable at research time. Do not substitute similarly named Tramontina sets; some current 12-piece sets include ceramic-coated pans.
- Exact SKU only: do not substitute another similarly named set.
What we checked
- Costco lists Model 80116/003DS (Item 1596023) as uncoated tri-ply: 18/10 stainless, aluminum core, magnetic stainless exterior. Pieces: 8 in and 10 in sauté pans, 3 qt covered deep sauté, 1.5 qt and 3 qt covered saucepans, 5 qt covered Dutch oven, 8 qt covered stock pot. Oven safe to 500°F. Shown as unavailable at warehouses on the review date. Source
Explore the research
What the evidence tells us
From our Safer Kitchen research (2026-09-25), re-checked on 2026-09-25. Food-contact material: Fully clad tri-ply: 18/10 stainless interior / aluminum core / magnetic stainless exterior. Coating: Uncoated. Evidence confidence: High.
What's still uncertain
- Sources are manufacturer or retailer pages; no independent laboratory test of this product was reviewed.
- Prices and availability change often; the observed price is dated and is not a signal of quality.
Technical detail & sources
Sources to read
- Costco: 12-Piece Tri-Ply Clad Stainless Steel Cookware Set, Costco (2026)
- Costco: 12-Piece Tri-Ply Clad Stainless Steel Cookware Set, Costco (2026)
- Tramontina: 12-Piece Tri-Ply Clad Stainless Steel Cookware Set, Tramontina (2026)
Read the category’s editorial sources
Final verdict against our cookware standard
Conditional Published as Conditional under the published standard for cookware, based on the specific, dated findings above. That standard was written before this or any other product on the page was evaluated, and doesn't change to fit a favorite See the full site-wide standard for how every category is held to the same process.