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carbon steel (carbon steel) is a class of carbon content higher than 0.02% less than 2% (higher than 2% is called cast iron, less than 0.02% is called wrought iron), and few other elements of steel, is also the highest production of metal materials, relatively high other components (excluding impurities) steel called alloy steel.

It is usually used on metal parts that require strength, hardness and wear resistance, such as cutting tools, steel cables, piano wires, springs and tools, etc., after the processing is formed, the parts usually need to be treated and tempered.

Carbon steel is divided into high carbon steel, medium carbon steel and low carbon steel, and these three carbon steel are divided into two; According to the characteristics, high carbon steel is hard and brittle, low carbon steel is soft and ductile.

high carbon steel

Carbon content 0.6% ~ 2% is called high carbon steel. High carbon steel refers to a long tempering time, high carbon content of steel, the main use of general bearings, tools, rails, steel mold (used to mold steel) and steel doors.

medium carbon steel

Carbon content 0.3% to 0.6% is called medium carbon steel. Medium carbon steel refers to the tempering time is shorter than high carbon steel, moderate carbon content, properties between high carbon steel and low carbon steel steel, the main use is to make stainless steel.

low carbon steel

Carbon content 0.02% ~ 0.3% is called low carbon steel. Low carbon steel short tempering time of carbon steel, soft, stamping and malleable, the main use for the manufacture of steel bars, stamping parts, special steel and so on. The main purpose is to manufacture steel bars, casting materials, building steel, steel plates, etc.

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