Stainless steel pipe is a kind of hollow long round steel, which is widely used in petroleum, chemical, medical, food, light industry, mechanical instrument and other industrial conveying pipes and mechanical structural parts.In addition, when the bending and torsional strength is the same, the weight of stainless steel pipe is light, so it is also widely used in the manufacture of mechanical parts and engineering structures. Also, stainless steel pipe can be made according to the requirements of customers in a variety of wall thicknesses and diameters.
There are many types of stainless steel pipes, such as welded pipes, seamless pipes, capillary pipes, etc.The most common is the welded pipe, which is divided into straight seam welded pipe and spiral welded pipe.
The material of stainless steel pipe is divided into austenitic stainless steel, ferritic stainless steel, duplex stainless steel and martensitic stainless steel according to the composition.
The austenitic stainless steel tube has good corrosion resistance and is suitable for use in general corrosive media.
The ferritic stainless steel tube has good corrosion resistance in oxidizing media, is resistant to high temperature and has good stress corrosion resistance.
The duplex stainless steel tube has both austenitic and ferritic microstructures, so it has both austenitic stainless steel tube and ferritic stainless steel tube.The duplex stainless steel pipe has good comprehensive performance and is suitable for various environments.
The martensitic stainless steel tube is suitable for use in corrosive media with high mechanical strength, and is also suitable for use in strong oxidizing media and high temperature environments.
The main difference between austenitic stainless steel, ferritic stainless steel, duplex stainless steel and martensitic stainless steel is the microstructure.
The microstructure of austenitic stainless steel is austenite, the microstructure of ferritic stainless steel is ferrite, the microstructure of duplex stainless steel is austenite + ferrite, and the microstructure of martensitic stainless steel is martensite.
The austenitic stainless steel has good corrosion resistance, high toughness and ductility, and is not easy to produce hardening.
The ferritic stainless steel has good corrosion resistance in oxidizing media, is resistant to high temperature and has good stress corrosion resistance.
The duplex stainless steel has both austenitic and ferritic microstructures, so it has both austenitic stainless steel and ferritic stainless steel.The duplex stainless steel pipe has good comprehensive performance and is suitable for various environments.
The martensitic stainless steel is suitable for use in corrosive media with high mechanical strength, and is also suitable for use in strong oxidizing media and high temperature environments.
The main difference between austenitic stainless steel, ferritic stainless steel, duplex stainless steel and martensitic stainless steel is the microstructure.
The microstructure of austenitic stainless steel is austenite, the microstructure of ferritic stainless steel is ferrite, the microstructure of duplex stainless steel is austenite + ferrite, and the microstructure of martensitic stainless steel is martensite.
The austenitic stainless steel has good corrosion resistance, high toughness and ductility, and is not easy to produce hardening.
The ferritic stainless steel has good corrosion resistance in oxidizing media, is resistant to high temperature and has good stress corrosion resistance.
The duplex stainless steel has both austenitic and ferritic microstructures, so it has both austenitic stainless steel and ferritic stainless steel.The duplex stainless steel pipe has good comprehensive performance and is suitable for various environments.
The martensitic stainless steel is suitable for use in corrosive media with high mechanical strength, and is also suitable for use in strong oxidizing media and high temperature environments.
Post time: 2023-06-30
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