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Question:

How many kinds of steel are needed to build the building?

How many kinds of steel are needed to build the building?

Answer:

Definition: Steel (Steel): material of various shapes, sizes, and properties required by pressure processing for ingots, billets, or steels.
According to the processing methods can be divided into: hot rolled steel, heat treatment, cold drawn steel, steel cold drawn low carbon steel wire and steel wire tube; surface shape can be divided into smooth steel and thread; according to the varieties of steel can be divided into low carbon steel, medium carbon steel, high carbon steel and alloy steel etc.. The strength of China's steel bars can be divided into five grades: I, II, III, IV and V.
The construction steel used to construct buildings can usually be divided into steel structures, steel and reinforced concrete structures. Steel structural steel mainly consists of ordinary carbon structural steel and low alloy structural steel. It's made of steel, steel pipe and steel bar. There are angle steel, I-beam and channel steel in section steel. Reinforcing bars for reinforced concrete structures.

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