Effects of the Processing on Mechanical Properties of High-Strength Structural Steel HG785D

Abstract:

The steel ingots of high-strength structural steel HG785D were produced by using a special water-cooled copper ingot mold. It analyzed the reason of the slab to achieve rapid solidification and shrinkage reducing with the simulation by using AnyCasting software. The difference properties between 100mm and 240mm steel plate with the same components were studied. The results show that properties are better with the increasing of the compression ratio, the times of TMCP and the reduction. The properties of 240mm steel plate with different composition were studied under the same heat treatment condition. Niobium, vanadium and titanium are in favor of the mechanical properties, but have little effect on the plasticity of structural steel. It should increase the harden ability of the alloy elements to improve mechanical properties of the steel HG785D.

• Periodical: Key Engineering Materials (Volume 727)
• Pages: 76-81
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.727.76
• Online since: January 2017
• Authors: Tie Ye, Zhi Wen Lu*, Chun Hua Ma
• Keywords: HG785D, High-Strength, Mechanical Properties, Special Slab

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