The steel of the brand ST3 is the most common material that is used in the production of steel rods, which is required to comply with GOST 2590-88, as well as a number of other technological norms. Depending on the scope of use, the steel circle can be made with different non -upper, multiple or measured lengths. If we talk about the weight of the rods, then it is calculated in grams. It is by weight that steel rods are sold by plants and factories.