The reason why Q235 steel is not heat treated

Q235 steel is generally used as soon as it is bought, and heat treatment is rarely done. There are several reasons for this analysis:

1. The use of Q235 steel generally does not require too high mechanical requirements;

2. The volume of Q235 steel as a steel component is too large, and the heat treatment is not realistic;

3. Q235 steel is used for welding in many cases, and the heat treatment will destroy the heat treatment of the weld;

4. The price of Q235 steel material is cheap, the quality requirements are relatively low, and the effect of heat treatment of Q235 steel is not very good.

Q235 steel itself is not rust-proof, and it is easy to rust without surface treatment, so the factory generally needs to carry out surface treatment of Q235 steel, which can be used to prevent rust by blackening, plating and painting. The price of Q235 steel is relatively low, and there are various forms of raw materials to buy, including sheets and bars. The master worker will choose the cutting method according to the shape of the part. The master worker will paint a layer of anti-rust after the parts are processed oil.