It is the material from which the burner grates of the stove are made. This parameter is relevant only for gas burners — electric hobs do not have grates.
— Steel grates. The most common type of grates is steel grates coated with a special heat-resistant enamel. They are quite practical, reliable, have a relatively small weight and neat appearance, and at the same time are inexpensive, due to which they are often found in entry-level and middle-level models. The main disadvantage
of steel grates can be called the difficulty in cleaning from adhering contaminants — too intensive cleaning can damage the enamel. In addition, they are less durable than cast iron ones, and under heavy dishes containers, they can deform — as a result, the dishes will not stand stably on the stove, and the grate will most likely have to be replaced.
— Cast iron grates.
Cast iron grates is much heavier than steel ones. Moreover, they often look more massive and rough. On the other hand, they are more reliable, durable and stable, can cope even with heavy weights and keep their working shape much longer. In addition, cast iron is easier to clean: although dirt comes off worse than enamel, in extreme situations it is quite possible to use abrasive products without fear of damaging the surface.