CONCORD Stainless Steel Stockpot Tri-Ply Bottom Commercial Brew Kettle Heavy Duty (80 Qt) Concord's TOP OF THE LINE Highest Quality Stockpot Brew Kettle Model Made entirely from durable stamped technology. No weld lines at all = no chance of leaking!! Heavy Duty Triple Ply Bottom. Guarantee Restaurant Quality Stock pot is made from Fully Polished Restaurant Grade 18/10 T304 Full Stainless Steel. Stainless Steel handles riveted onto pot for solid construction. Walls are 1.2mm thick.