Dongying steel plates for construction machinery are urgently required to improve their strength and wear resistance due to their ability to withstand wear from sand and ore, as well as to achieve structural lightweighting. In recent years, in order to use this type of steel plate in cold regions, it is necessary to ensure its low-temperature toughness; To improve its workability, it is necessary to lower the preheating temperature during welding; In many situations, it is necessary to improve its bending processability.

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