The products made of 304 stainless steel pipes are widely used due to their high corrosion resistance, high hardness, and easy maintenance. As a general-purpose metal material, 304 stainless steel tube is not a panacea, it can not be used in any environment.
Today Xiaobian wants to say the limitations of the use of 304 stainless steel pipes from the aspects of corrosion resistance, high temperature resistance and hardness:
The corrosion resistance of the 304 material pipe is naturally much stronger than that of the 201, but in the strong acid environment, the corrosion resistance of the 304 stainless steel pipe will be greatly weakened. For example, in the coastal area, where the salt content in the air is high and contains chloride ions, it is necessary to use a 316-material pipe.
304 stainless steel pipe has a strong high temperature performance, the tested environment temperature of 304 pipe can not be higher than 650 degrees, if you use more than this temperature will be a problem.
The final is the hardness. The hardness of the 304 pipe is very high. The safety of stainless steel products made of it is still quite high. It can not be bent by heat treatment or other shape change processing. It can only be processed by cold processing, that is, our common machine equipment, such as rounding, pressing into oval tubes or other shapes of the opposite tube. However, stainless steel tube bending and special processing of stainless steel tubes are not unlimited operations. The tested 304 stainless steel tubes have a tensile strength of about 550 MPa, and their hardness is about 150 to 160 HB. We cannot exceed this limit during processing. After the stainless steel tube is cold-processed, the protective layer on the surface is damaged and the corrosion resistance is reduced. After the stainless steel tube is stretched by cold treatment, the toughness of the surface of the stainless steel that has been stretched becomes thin, and its toughness is greatly reduced. Therefore, when processing, it is also necessary to consider a limit value.
Today Xiaobian wants to say the limitations of the use of 304 stainless steel pipes from the aspects of corrosion resistance, high temperature resistance and hardness:
The corrosion resistance of the 304 material pipe is naturally much stronger than that of the 201, but in the strong acid environment, the corrosion resistance of the 304 stainless steel pipe will be greatly weakened. For example, in the coastal area, where the salt content in the air is high and contains chloride ions, it is necessary to use a 316-material pipe.
304 stainless steel pipe has a strong high temperature performance, the tested environment temperature of 304 pipe can not be higher than 650 degrees, if you use more than this temperature will be a problem.
The final is the hardness. The hardness of the 304 pipe is very high. The safety of stainless steel products made of it is still quite high. It can not be bent by heat treatment or other shape change processing. It can only be processed by cold processing, that is, our common machine equipment, such as rounding, pressing into oval tubes or other shapes of the opposite tube. However, stainless steel tube bending and special processing of stainless steel tubes are not unlimited operations. The tested 304 stainless steel tubes have a tensile strength of about 550 MPa, and their hardness is about 150 to 160 HB. We cannot exceed this limit during processing. After the stainless steel tube is cold-processed, the protective layer on the surface is damaged and the corrosion resistance is reduced. After the stainless steel tube is stretched by cold treatment, the toughness of the surface of the stainless steel that has been stretched becomes thin, and its toughness is greatly reduced. Therefore, when processing, it is also necessary to consider a limit value.
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