The invention belongs to the field of track cast steel materials, and discloses a high-strength track cast steel material, which is characterized by comprising the following chemical components in percentage by mass: 0.24-0.30% of C; 0.30% to 0.50% of Si; mn: 1.35 to 1.55%; less than or equal to 0.020% of P; less than or equal to 0.020% of S; 0.45 to 0.60 percent of Ni; 0.50% to 0.60% of Cr; 0.25% to 0.40% of Mo; 0.30% or less of Cu; 0.02%-0.06% of RE (rare earth); and the balance Fe and trace impurities. According to the design of the chemical components of the high-strength track cast steel material and the content matching proportion of all alloy elements, the material has high strength, obdurability and good weldability, and a steel casting has good use performance and processing performance; the cost is low; and the requirements of large-scale and heavy-load development of engineering mechanical equipment in China are met, and the device is suitable for extreme climate working conditions.
本发明属于履带铸钢材料领域,公开了一种高强度履带铸钢材料,其特征在于,其化学成分按质量百分比计为:C:0.24‑0.30%;Si:0.30‑0.50%;Mn:1.35‑1.55%;P≤0.020%;S≤0.020%;Ni:0.45‑0.60%;Cr:0.50‑0.60%;Mo:0.25‑0.40%;Cu≤0.30%;RE:0.02%—0.06%;余量为Fe和微量杂质。本发明的高强度履带铸钢材料化学成分的设计、各合金元素含量搭配比例,使材料具有高强度、强韧性、良好的可焊性,铸钢件具有良好的使用性能与工艺性能;成本低;满足了我国工程机械设备大型化、重载化方向发展的需求,适用于极端气候工况条件。
High-strength track cast steel material
一种高强度履带铸钢材料
2024-01-26
Patent
Elektronische Ressource
Chinesisch
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