Wuxi Hongcheng Metal Products Co.,Ltd

 

 

 

301 stainless sheet is a metastable austenitic stainless steel, which has a completely austenitic structure under the condition of sufficient solid solution. Among stainless steels, 301 is the steel that is most easily strengthened by cold deformation. Through cold deformation processing, the strength and hardness of the steel can be improved, and sufficient plasticity and toughness can be retained. In addition, this steel has good rust resistance under atmospheric conditions. However, it has poor corrosion resistance in reducing media and poor corrosion resistance in chemical media such as acid, alkali and salt, so it is not recommended for harsh environments. 301 is mainly used in cold-worked state for equipment parts that bear higher loads, but also want to reduce the weight of the equipment and not rust. In addition, this steel is prone to work hardening when it is impacted by external forces, which can absorb more impact energy and provide more reliable security for equipment and personnel.
 

 

● C：≤0.15 ,

● Si ：≤1.0 ,

● Mn ：≤2.0 ,

● Cr ：16.0～18.0 ,

● Ni ：6.0-8.0,

● S ：≤0.03 ,

● P ：≤0.045

 

 

 

 

Trains, aircraft, conveyor belts, vehicles, bolts, springs, screens.

301 (17Cr-7Ni-carbon) material: Compared with 304 steel, it has less Cr and Ni content, higher tensile strength and hardness during cold working, non-magnetic, but magnetic after cold working. The use is similar to that of 304. The rust resistance, corrosion resistance and toughness of 301 are similar to those of 304, so it can be replaced in some uses.

What is the difference between 301 stainless steel and 304 stainless steel?

Firstly, from the perspective of chemical composition, the main difference between 301 and 304 stainless steel lies in their carbon content and nickel content. The carbon content of 301 stainless steel is about 0.15%, the chromium content is about 12%, and the nickel content is about 8%. The carbon content of 304 stainless steel is about 0.08%, the chromium content is about 18%, and the nickel content is about 8%. It can be seen that the chromium and nickel content of 304 stainless steel is higher than that of 301 stainless steel, which is also the main reason for its better corrosion resistance.

Secondly, in terms of physical properties, both 301 and 304 stainless steel have higher strength and hardness, but 304 stainless steel has slightly higher strength and hardness than 301 stainless steel. In addition, 304 stainless steel has good toughness and plasticity, which makes it easier to form during the processing and reduces the difficulty of processing.

Furthermore, in terms of corrosion resistance, the corrosion resistance of 304 stainless steel is significantly better than that of 301 stainless steel. This is mainly because the chromium and nickel content in 304 stainless steel is high, forming a dense layer of chromium oxide protective film, effectively preventing oxygen atoms and other corrosive substances from corroding the inside of the metal. Although 301 stainless steel also has a certain degree of corrosion resistance, its corrosion resistance is not as good as 304 stainless steel.

In addition, 304 stainless steel also has good heat resistance and low temperature resistance. In high-temperature environments, 304 stainless steel can maintain good strength and hardness, and is not prone to deformation. In low-temperature environments, the toughness and plasticity of 304 stainless steel do not undergo significant changes, ensuring its performance in various temperature environments.

 

 

 

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