Q235 Yield Strength?
A: ≥235MPa (≤16mm); 16～40mm: ≥225MPa.
Q235 Tensile Strength?
A: 375～500MPa.
Q235 Elongation (A)?
A: ≥26% (≤16mm).
Q235 Impact Energy Requirement?
A: No requirement for Grade A; B (20℃), C (0℃), D (-20℃): ≥27J.
Q235 Hardness Approximately?
A: HB≈120～140, HRC＜20.