What is the yield strength of Q235 steel plate?
A: ≥235 MPa (thickness ≤16 mm); decreases as thickness increases.
What is the tensile strength range?
A: 375–460 MPa.
What is the elongation rate?
A: ≥26% (thickness ≤16 mm); gradually decreases with thickness.
Does Q235A require impact testing?
A: No, Q235A has no impact toughness requirement.
What impact temperature does Q235B guarantee?
A: 20°C (room temperature) impact test.