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Q420D high strength steel plate

Q420D steel plate, as a low-alloy high-strength structural steel, has won a high reputation in the manufacturing industry for its excellent performance and wide application fields. The "Q" in the name of this steel plate represents the yield strength of the steel, "420" is the specific expression of its yield strength value, the unit is MPa, and "D" represents the impact temperature and quality grade of the steel plate, which belongs to D grade and can withstand low temperature impact of -20℃.

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High-strength steel plate

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Product Details

Mechanical properties: yield strength ≥420MPa, tensile strength 520 - 680MPa, elongation ≥18%. Low temperature impact test temperature is -20℃, and impact absorption energy is not less than 34J.
Delivery status: Generally delivered in hot rolling, controlled rolling, normalizing or normalizing rolling.
Features: High strength: excellent bearing capacity.
Good low temperature toughness: can maintain stable performance in low temperature environment.
Application areas: Heavy machinery: such as key structural parts of large cranes and mining machinery.
Bridge construction: especially suitable for bridges in cold areas.
Power facilities: such as power towers, etc.

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High-strength steel plate