Steel plate is a flat metal material rolled from a steel billet. It can be categorized by thickness into thin plate (<4mm), medium plate (4-20mm), and thick plate (>20mm). Common types of steel include:
1. Carbon steel plate: such as Q235B, which is low-cost and easy to weld, is widely used in building structures.
2. Stainless steel plate: such as 304 stainless steel, offers high corrosion resistance and is suitable for food equipment and chemical containers.
3. Alloy steel plate: such as 16MnDR, offers excellent low-temperature toughness and is used in pressure vessel manufacturing.
Professional Data Reference: The "GB/T 3274-2017" standard stipulates that the yield strength of Q235B steel plate must be ≥ 235 MPa (Source: Standardization Administration of China).
