Q690C high strength steel plate
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Q690C high strength steel plate
Product Details
Chemical composition: usually contains carbon (C) ≤ 0.20%, silicon (Si) ≤ 0.80%, manganese (Mn) ≤ 2.00%, phosphorus (P) ≤ 0.030%, sulfur (S) ≤ 0.025%, niobium (Nb) ≤ 0.11%, vanadium (V) ≤ 0.12%, titanium (Ti) ≤ 0.20%, aluminum (Al) ≥ 0.015%, etc.
Implementation standard: GB/T 16270
Mechanical properties: yield strength ≥ 690MPa, tensile strength 770 - 940MPa, elongation ≥ 10%.
Delivery status: generally delivered in the quenching and tempering (quenching + tempering) state.
Features: extremely high strength: can withstand very large loads, suitable for structures with high strength requirements.
Good toughness and plasticity: while ensuring high strength, it has certain toughness and plasticity.
Application areas: large-scale engineering machinery: such as the main arm, frame and other key parts of large cranes.
Mining machinery: such as the carriages and frames of large mining trucks.
Marine engineering: important load-bearing structures of offshore platforms.
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