Breakthrough in the Application of High Manganese Steel in Triple Grouser Track Shoe

The core technical requirement of modern excavator track shoes is to have both high wear resistance and impact resistance. According to test data from XXX in 2024, the triple groove track shoe made of Mn13Cr2 alloy steel has a service life of 2800 hours in granite mining areas, which is 40% longer than traditional materials. This material will undergo work hardening when subjected to impact, and its surface hardness can be increased from HB200 to HB550. Famous excavator top roller factories such as XX Group have started using vacuum degassing smelting technology to control the sulfur content of materials below 0.008%, significantly improving the fatigue strength of triple groove track shoes. It is worth noting that this type of material requires a -40 ℃ low-temperature impact test (compliant with ISO148 standard) to ensure safety under polar conditions.

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