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本文研究了武钢研制生产的高韧性—70℃低温钢WHD4(09MnNiDR)钢板的全面力学性能、焊接性能.介绍该钢在大型石油、化工设备中的应用实例.结果表明该钢具有优异的低温韧性和优良的焊接性能,是制造低温压力容器等设备的理想用材.
In this paper, the comprehensive mechanical properties and weldability of WHD4 (09MnNiDR) high toughness -70 ℃ low temperature steel developed and manufactured by WISCO were introduced.Application examples of the steel in large petroleum and chemical equipment were introduced.The results show that the steel has excellent low temperature toughness And excellent welding performance, is to create low temperature pressure vessels and other equipment ideal material.