调查了现场低合金钢钢锭红送裂纹的产生情况，计算并分析了钢锭红送及再加热过程中温度场和应力场的变化规律，测定了钢锭的高温强度和塑性。在此基础上分析了钢锭红送裂纹的形成机理，为生产中防止产生红送裂纹提供了理论依据。
The formation on hot charging process crack of low alloy steel ingot has been investigated. The change regularities of temperature field and stress field in the hot charging steel ingot process and reheating process were analyzed and calculated, measuring high temperature strength and plasticity of steel ingot. According to this, the formation mechanism on hot charging process crack of steel ingot is concluded, thus offering a theoretical basis for preventing hot charging process crack in production.
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