The application of 16Mn seamless steel pipe: The special steel used for the bridge is “16Mnqâ€, the special steel for the car girder is “16MnLâ€, and the special steel for the pressure vessel is “16MnRâ€. This kind of steel is to improve the mechanical properties of steel by adjusting the amount of carbon (C). Therefore, according to the level of carbon content, such steels can be further divided into: Low-carbon steels - carbon content is generally less than 0.25%, such as 10, 20 steel, etc.; Medium carbon steel - carbon content is generally between 0.25 ~ 0.60%, such as 35, 45 steel, etc.; high carbon steel - carbon content is generally greater than 0.60%. This type of steel is generally not used to make steel pipes.
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