So steel products can be called steel, plates and profiles are steel classification.
Steel: is the ingot, billet or steel through the pressure processing made of various shapes, sizes and performance of the material. Steel is widely used, wide variety, according to the different shape of the cross-section, steel is generally divided into profiles, plates, pipes and metal products four categories, steel is steel ingot, billet or steel through pressure processing made of various shapes, sizes and performance s material.
So steel products can be called steel, plates and profiles are steel classification.
Plate by thickness in the plate, sheet, plate and plate. Separate the plates by the process. Cold plate, hot plate and so on.
Profiles, as the name suggests, angle, groove just belong to the profile.
