Grill Burner Comparison: Cross Sections

All stainless steel burners are not created equal.A tube burner is better than sheet metal, but is still
When comparing burner systems, there are a fewvery thin compared to cast. The tube burner is a
key points to look for. Most manufacturers usegreat place for high end grill manufactures to cut
stainless steel sheet metal to make their burnercosts. They are not even as thick as a quarter. As
systems. The downside of sheet metal burners isfar as I know, all tube burners do not cover burn
that they are prone to a process called burn-through.through.
The manufacturer's warranty covers sheet metalCast Stainless Steel is the best. Look at the burner
burners against rust-through, but does not coverpictures and you will see that the cast is 1/4 inch
against burn-through. To combat burn-through, selectthick.
manufacturers use CAST stainless steel burners. TheWarranty covers burn through!
warranty on these burners does cover burn-through* Cast Iron: Cast-iron conducts heat better which
as well as rust-through, twisting, warping and anymakes it the preferred cooking surface for many
other problems.cooks. To protect against the natural rusting process,
Compared side by side it is plain to see by ourcast-iron cooking grids have a porcelain finish which
photos at Gas Grills Now, that where a sheet metalrequires special maintenance.
burner is not as thick as a U.S. quarter, a cast* Porcelain: Porcelain enamel is essentially a highly
stainless steel burner is a full ¼ INCH thick.durable glass which, with coloring oxides and other
Along with being thicker, note the placement of theinorganic materials, is fused to metal at extremely
burner ports on the side of the burner. On the sheethigh temperatures. Most grids are made of steel
metal burners, the ports are exposed to greaserods; some are coated with porcelain to make them
drippings, and food particles, which can clog the portsrust resistant and easier to clean.
and speed up the burn-through process. The cast* Chrome: Chromium is a silver-gray, lustrous, brittle,
burner is designed with a protective ridge, so thathard metal that can be highly polished. It does Not
drippings cannot contact the ports.tarnish in air, but burns when heated, forming the
There are several choices offered to the consumer:green chromic oxide. It is used in plating other metals
Cast stainless steel, Tube stainless steel, Sheetbecause of its hardness and non-tarnishing properties.
stainless steel, porcelain, cast iron and chromeIn alloys with other metals it contributes hardness,
burners.strength, and heat resistance. This is quicker to burn
* Stainless Steel: Sheet Metal burners are the leastthrough. It takes about 1 to 2 years.
expensive. They are mainly used on grills under $800.