WEAR-RESISTANT STEEL SHEET HAVING EXCELLENT WEAR RESISTANCE AT HIGH TEMPERATURES AND EXCELLENT BENDING WORKABILITY AND METHOD FOR MANUFACTURING THE SAME

摘要

The wear-resistant steel sheet in mass %,, C: more than 0.13% , 0.18 % or less, Si: more than 0.5 %, less than 1.0%, Mn: more than 0.2% , less than 0.8%, P: less than 0.020%, S: less than 0.010%, Cr: more than 0.5% , less than 2.0%, Mo: more than 0.03% , not more than 0.30% , Nb: 0.03% greater than , less than 0.10%, Al: more than 0.01% , less than 0.20%, B: more than 0.0005% , 0.0030% or less , and N: 0.010% or less , and containing , including Fe and inevitable impurities as the remainder and , the composition , and the HI is less than 0.7 , and satisfies that the Ceq exceeds 0.50 , and , HB ( Brinell hardness ) is 360 or more in 25 , 440 or less .