Abrasion-resistant steel plate for high-cold-resistant urban light rail turnout and manufacturing method of abrasion-resistant steel plate

The invention relates to a high-cold-resistant urban light rail turnout wear-resistant steel plate and a manufacturing method thereof, the high-cold-resistant urban light rail turnout wear-resistant steel plate comprises the following chemical components in percentage by mass: 0.10-0.20% of C, 0.10-0.70% of Si, 0.60-1.60% of Mn, less than or equal to 0.015% of P, less than or equal to 0.005% of S, 1.20-2.50% of Ni, 0.20-0.80% of Mo, less than or equal to 0.020% of Cu, 0.0005-0.0025% of B, 0.020-0.090% of Al, less than or equal to 0.0050% of N, less than or equal to 0.00015% of H, less than or equal to 0.0008% of O and the balance of Fe and inevitable impurities, and the sum of Cr and Mo The surface structure of the steel plate is tempered martensite, the-60 DEG C low-temperature impact toughness reaches 80 J or above, the low-temperature ductile-brittle transition temperature is-70 DEG C, and the steel plate is very suitable for being used in high-latitude areas and low-temperature environment areas; the surf