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Q420E high strength steel plate

The grade of Q420E steel plate consists of four parts, among which "Q" represents yield strength, "420" means that the yield strength of the steel plate is 420MPa, and "E" means that the steel plate has good welding performance. Q420E steel plate has high yield strength and tensile strength, usually above 420MPa, and has good elongation and impact toughness. This enables Q420E steel plate to withstand large loads and impact forces, and is not prone to brittle fracture.

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High-strength steel plate

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Mechanical properties: Yield strength is not less than 420MPa, tensile strength is between 520-680MPa, and elongation is not less than 18%. In the low-temperature impact test at -40℃, the impact absorption energy is not less than 27J.
Delivery status: Common delivery status includes hot rolling, controlled rolling, normalizing, normalizing rolling, etc.
Features: High strength characteristics, can withstand large loads, and help reduce the deadweight of the structure.
It has extremely excellent low-temperature toughness and can still maintain stable and reliable performance in severe cold environments.
Application areas: Construction of large bridges in cold areas to ensure the safety and stability of bridges at low temperatures.
Used to manufacture heavy machinery and equipment working in extreme low-temperature environments, such as polar mining equipment.
It is widely used in wind power generation equipment, especially in the manufacture of towers and key components in cold wind farms.

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High-strength steel plate