Q: What is Q235 plate?
A: Q235 plate is a common carbon structural steel plate in Chinese national standard (GB/T 700). The letter "Q" represents yield strength, and "235" means its minimum yield strength is 235 MPa. It is widely used in various structural applications due to its good comprehensive performance and low cost.
Q: What is the full Chinese name of Q235 plate?
A: 碳素结构钢 Q235 钢板.
Q: What are the grades of Q235 plate?
A: Q235 is divided into four grades: Q235A, Q235B, Q235C, and Q235D. The main difference lies in the impact toughness requirement and the temperature of impact test.
Q: Is Q235 plate a low-carbon steel or high-carbon steel?
A: Q235 plate is a low-carbon steel, with its carbon content generally ranging from 0.14% to 0.22%.
Q: What is the equivalent standard of Q235 plate in international standards?
A: - ASTM: A36
EN: S235JR
JIS: SS400
DIN: St37-2