What are the categories of steel products?

There are many kinds of steel, and the variety specifications reach tens of thousands of kinds, which can be classified according to processing technology, chemical composition, varieties, uses, specifications and so on. Internationally, it is used to summarize it into four categories: long wood, flat wood, pipe and other steel. For example, steel is divided into 22 categories by variety.

Classification of steel

(1) Railway steel, (2) large steel (height ≥80mm), (3) small and medium steel (height < 80mm), (4) bar, (5) rebar, (6) wire rod (wire rod), (7) extra-thick plate (thickness ≥50mm), (8) thick plate (20mm≤ thickness < 50mm), (9) medium plate (3mm≤ thickness < 20mm), (10) Hot rolled sheet (thickness <3mm, single sheet), (11) cold rolled sheet (thickness <3mm, single sheet), (12) medium thick wide steel strip (3mm< thickness <20, width ≥600mm), (13) hot rolled thin wide steel strip (thickness <3mm, width ≥600mm), (14) Cold-rolled thin and wide steel strip (thickness <3mm, width ≥600mm),(15) hot-rolled narrow steel strip (width <600mm),(16) cold-rolled narrow steel strip (<600mm),(17) coated plate (strip),(18) coated plate (strip),(19) electrical steel plate (strip),(20) seamless steel pipe,(21) welded steel pipe, (22) Other steels.