Q235 is a common carbon structural steel widely used in China. In the 88 version, Q235 is divided into four grades: A, B, C, and D according to quality grade. In addition to the composition (mainly the element content changes, with the increase of the
To answer this question, we need to understand the difference between low carbon steel and high carbon steel According to the chemical composition of steel, it can be divided into two categories: carbon steel and alloy steel. Carbon steel is further divided into: ① Low



