S500 steel plate is European standard quenched and tempered high yield strength structural steel, S stands for structural steel, Q stands for delivery condition, 500 stands for yield value, unit MPa, which can be divided into: S500Q, S500QL, S500QL1 steel. Their difference is that the impact temperature is different, S500Q impact Temperature -20℃; S500QL impact temperature -40℃; S500QL1 impact temperature -60℃.
S500Q, S500QL, S500QL1 steel chemical composition:
| C | Si | Mn | P | S | Ni | Cr | Mo | Cu | Nb | V | Ti | N | Zr | B |
| ≤0.2 | ≤0.8 | ≤1.7 | ≤0.025 | ≤0.015 | ≤2 | ≤1.5 | ≤0.7 | ≤0.5 | ≤0.06 | ≤0.12 | ≤0.05 | ≤0.015 | ≤0.15 | ≤0.005 |
Mechanical properties of S500Q, S500QL, S500QL1 steel plates:
Thickness 3-50mm
ReH(MPa) ≥500
Rm(MPa)590-770
A(%)≥17
Akv(J)≥30 Vertical; Horizontal: Akv≥27J
Thickness>50-100mm
ReH(MPa) ≥480
Rm(MPa)590-770
A(%)≥17
Akv(J)≥30 Vertical; Horizontal: Akv≥27J
Thickness>100-150mm
ReH(MPa)≥440
Rm(MPa)540-720
A(%)≥17
Akv(J)≥30 Vertical; Horizontal: Akv≥27J
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