Yield Strength (ReH)?
Thickness ≤16mm: ≥235MPa; 16–40mm: ≥225MPa; >40mm: ≥215MPa.
Tensile Strength (Rm)?
375–500MPa (thickness ≤16mm).
Elongation after Fracture (A)?
≥26% (thickness ≤16mm); slightly decreases with increasing thickness.
Impact Energy (KV2)?
A: No requirement.
B: ≥27J at 20℃.
C: ≥27J at 0℃.
D: ≥27J at -20℃.
Hardness?
Hot-rolled: HB 137–175; Cold-rolled: HB 150–200; HRC < 20.