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首页> 外文期刊>JFE technical report >550 and 610 MPa Class High-strength Steel Plates with Excellent Toughness for Tanks and Penstocks Produced Using Carbide Morphology Controlling Technology
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550 and 610 MPa Class High-strength Steel Plates with Excellent Toughness for Tanks and Penstocks Produced Using Carbide Morphology Controlling Technology

机译：适用于采用硬质合金形态控制技术生产的储罐和压力容器的具有出色韧性的550和610 MPa级高强度钢板

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摘要

JFE Steel has developed 550 and 610 MPa class high strength steel plates with superior toughness and excellent weldability produced by JFE Steel s latest on-line heat-treatment technology. Excellent properties of the plates and their weldments are obtained by micro-alloying technology, and direct-quenching and on-line tempering process using Super-OLAC~(R) (On-Line Accelerated Cooling) and HOP~(R) (Heat-treatment On-line Process), while including low C, low weld cracking parameter (P_(CM)) value and free of B additive. Especially, rapid heating and tempering using on-line HOP temper process achieved both improvement of toughness and the extension of heat treated high-performance steel plates' production capacity. They have actual application results to many plants.
机译：JFE Steel开发了550和610 MPa级高强度钢板，这些钢板是由JFE Steel最新的在线热处理技术生产的，具有出色的韧性和出色的可焊性。通过微合金化技术以及Super-OLAC〜（R）（在线加速冷却）和HOP〜（R）（Heat-处理在线过程），同时包括低C，低焊接裂纹参数（P_（CM））值且不含B添加剂。特别是，通过在线HOP回火工艺进行的快速加热和回火既提高了韧性，又扩大了热处理高性能钢板的生产能力。它们对许多工厂都有实际的应用结果。

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