It is a kind of nodular cast iron roll with acicular (Bainitie-Martensite) matrix in its microstructure, obtained by adding alloy elements of Ni、Cr、Mo and using special heat treatment.

It is shaped by Centrifugal Casting Machine, or by gravity casting.

◆ CHARACTERISTICS

◇ High strength — higher than Pearlitic Nodular Cast Iron Roll

◇ High toughness — higher than Pearlitic Nodular Cast Iron Roll

◇ Good wearability — better than Pearlitic Nodular Cast Iron Roll

◆ APPLICATION

◇ Finish stands of bar, rod, small section mills.

◇ Finish stands of narrow hot strip mills.

◇ Pre-finish stands of wire mills.

◆ MECHANICAL PROPERTIES