Introduction of Chemical Composition and Carbon Content of regular Long Neck Flange
Date:
2024-08-27
According to the chemical composition of carbon steel according to the chemical composition (I. e. carbon content) can be divided into low carbon steel, medium carbon steel and high carbon steel.
According to the chemical composition of carbon steel according to the chemical composition (I. e. carbon content) can be divided into low carbon steel, medium carbon steel and high carbon steel. (1) Low carbon steel, also known as mild steel, carbon content from 0.10 to 0.25 percent low carbon steel is easy to accept a variety of processing such as forging, welding and cutting, commonly used in the manufacture of chains, rivets, bolts, shafts and so on. (2) medium carbon steel carbon content of 0.25%~ 0.60% carbon steel. Killed steel, semi-killed steel, rimmed steel and other products. In addition to carbon, it can also contain a small amount of manganese (0.70 to 1.20 percent).
According to the product quality is divided into ordinary carbon structural steel and carbon structural steel. Hot processing and cutting performance is good, welding performance is poor. The strength and hardness are higher than those of low carbon steel, while the plasticity and toughness are lower than those of low carbon steel. Can not be heat-treated, direct use of hot-rolled, cold-drawn, can also be used after heat treatment. The medium carbon steel after quenching and tempering has good comprehensive mechanical properties. The high hardness that can be achieved is about HRC55(HB538), and the σb is 600-1100MPa.
Therefore, in the various uses of medium strength level, medium carbon steel is widely used, in addition to being used as a building material, it is also widely used in the manufacture of various mechanical parts. (3) high carbon steel is often called tool steel, carbon content from 0.60 to 1.70, can be hardened and tempered. Hammers, crowbars, etc. are made of steel with a carbon content of 0.75 percent; cutting tools such as drills, taps, reamers, etc. are made of steel with a carbon content of 0.90 to 1.00 percent.
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2024-08-27
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