q345d
q345d-
This paper carries out controlled rolling and controlled cooling test by means of adding microalloy element V to Q345D steel .
本文通过对Q345D钢加入微量合金元素V并进行控轧控冷试验。
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The results indicate that : both processes can realize the well match of microstructure and mechanical property of Q345D high strength heavy plates .
试验结果表明，两种工艺轧制钢板，均实现了Q345D级高强度厚板组织和性能的良好匹配。