S690Q steel plate is European standard quenched and tempered high-strength steel, high-strength steel produced in accordance with the sixth part of EN10025 standard. The yield strength of S690Q steel plate is above 690MPa. The delivery state of S690Q steel plate is quenched and tempered (quenched and tempered). The production thickness of S690Q steel plate is between 8mm-200mm. S690Q steel plate is often used in mining machinery manufacturing and cutting of mechanical equipment parts.
Chemical composition of S690Q steel plate
Carbon content C≤0.2%
Silicon content Si ≤0.8%
Manganese content Mn ≤1.7%
Phosphorus content P ≤0.025%
Sulfur content S ≤0.015%
Nickel content Ni ≤2%
Chromium content Cr ≤1.5%
Molybdenum content Mo ≤0.7%
Copper content Cu ≤0.5%
Niobium content Nb ≤0.06%
Vanadium content V ≤0.12%
Titanium content Ti ≤0.05%
Oxygen content N ≤0.015%
Boron content B≤0.005%
S690Q steel plate use
S690Q steel plate is used to manufacture low-temperature resistant, high-strength key components, construction machinery, mining machinery structures, etc., and is a high-strength structural steel plate.
