Table 1 Material composition and mechanical properties of specimens.
Type of structural steel | Chemical component (%) | Mechanical property | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
C | Si | Mn | P | S | V | Nb | Ti | Re (MPa) | Rm (MPa) | A (%) | |
Q390B | 0.15 | 0.45 | 1.30 | 0.02 | 0.035 | 0.10 | 0.04 | 0.10 | 400 | 600 | 19 |
Type of structural steel | Chemical component (%) | Mechanical property | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
C | Si | Mn | P | S | V | Nb | Ti | Re (MPa) | Rm (MPa) | A (%) | |
Q390B | 0.15 | 0.45 | 1.30 | 0.02 | 0.035 | 0.10 | 0.04 | 0.10 | 400 | 600 | 19 |