S620Q steel information

S620Q steel is a low-alloy high-strength steel, usually a steel plate. S620Q steel plate implements European standard.

Chemical composition of S620Q steel plate
Carbon C: ≤0.18,
Silicon SI: ≤0.60,
Manganese MN: ≤2.0,
Phosphorus P: ≤0.03,
Sulfur S: ≤0.03,
Vanadium V: ≤0.12,
Titanium TI: ≤0.2,
Chromium CR: ≤1.00,
Nickel NI: ≤0.80,
Copper CU: ≤0.80,
Nitrogen N: ≤0.015,
Molybdenum MO: ≤0.30,
Boron B: ≤0.004,
Niobium NB: ≤0.11.

S620Q steel plate application
S620Q low-alloy high-strength steel is mainly used to manufacture low-temperature-resistant, high-strength key components, construction machinery, mining machinery structures, etc.