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本文详细介绍了武钢近年来研制生产的高性能压力容器用σb≥590MPa的WH590钢板的全面力学性能及焊接性能。试验结果表明该正火型低合金高强度钢板不仅具有高强度、高韧性，而且具有优良的焊接性能，是新型的压力容器理想用材。
In this paper, the comprehensive mechanical properties and weldability of WH590 steel with σb≥590MPa for high performance pressure vessels developed and produced by WISCO in detail in recent years are introduced. The test results show that the normalized low alloy high strength steel plate not only has high strength, high toughness, but also has excellent welding performance, and is a new ideal material for pressure vessels.