Editor Reviews:

Product Description:
One of the most affordable fire pits in the industry featuring the following--porcelin coated 20 gauge steel bowl 28 inches in diameter,3- 3/16 x 1 1/2 inch steel legs,3/16 steel support ring for legs.

Rating : - 20 Gauge Steel
There was some discussion about it being too thin.
20 Ga = 0.0396 inches = 1.0058 mm

Seems like it is at least what it is advertised. I looked at some at a brick and mortar nearby they were all very thin.