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China Q420qD steel plate name and application - China Supplier
Q420qD steel plate name and application
$4400
Category: Metallurgy & Minerals/Common Steel/Steel Rails
Company: 安阳奥丰商贸有限公司
Product Description: Q420qD is a high-strength low-alloy structural steel plate for bridges. The "Q" stands for yield strength (Qu in Chinese), "420" indicates the yield strength value in MPa, "q" denotes steel for bridge use, and "D" signifies that the impact test temperature for the steel plate is -20°C. Q420qD steel plates must meet the impact absorption energy requirements at -20°C, ensuring good toughness under low-temperature conditions.The yield strength standard for Q420qD steel plates complies with the Chinese National Standard GB/T 714-2015 "Structural Steel for Bridges." This standard specifies the technical requirements for Q420qD steel plates, including chemical composition, mechanical properties, dimensional tolerances, and surface quality. In practical applications, Q420qD steel plates are widely used in bridge engineering due to their high strength, excellent low-temperature impact performance, and superior weldability, particularly in structural components subjected to significant dynamic and static loads.Q420qD14mm            2000100002.198Q420qD14mm            2000100002.198Q420qD14mm            2000100002.198Q420qD14mm            2000100002.198Q420qD14mm            2000100002.198Q420qD14mm            2000103002.264Q420qD14mm            2000102002.242Q420qD14mm            2000104502.297Q420qD14mm            2000100002.198 more>
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