Stainless steel pump shafts can be made of different types of materials, including but not limited to the following:

304 stainless steel: This is a common stainless steel material with good corrosion resistance, thermal conductivity, and high-temperature strength. 304 stainless steel shaft material not only has good tensile strength and bending resistance, but also has excellent assembly performance and processability. one

316 stainless steel: This material has better corrosion resistance and mechanical properties compared to 304 stainless steel, and can be used in high-temperature and high-pressure medium environments. 316 stainless steel shaft material is suitable for various media usage environments, such as seawater equipment, chemistry, dyes, papermaking, and other industries. twelve

Dual phase stainless steel (such as 2205): This material contains additional nickel and nitrogen elements, providing extremely high strength and hardness while maintaining good corrosion resistance. Duplex stainless steel is particularly suitable for applications that require high strength and excellent corrosion resistance. three

Carbon steel: Although carbon steel has high strength and good wear resistance, it is usually used in industrial applications with low requirements for corrosion resistance due to its lack of corrosion resistance.

Alloy steel: Alloy steel has better strength, corrosion resistance, and wear resistance than carbon steel, making it suitable for situations with high requirements for shaft strength and durability.

In practical applications, the material selection of the pump shaft depends on the properties of the medium being transported and the operating conditions of the pump. For example, in pumps that transport non corrosive media such as clean water, 45 steel or 40Cr may be used and subjected to quenching and tempering treatment; In pumps that transport weakly acidic media such as salt solutions, 40Cr may be used for quenching and tempering treatment. For anti-corrosion pumps, which are used to transport highly corrosive media such as acid and alkali, the material of the pump shaft is usually stainless steel such as 1Cr18Ni9 or 1Cr18Ni9Ti.