Bainitic Spheroidal Graphite RollsAlloy elements of Ni、Mn、Cr、Mo etc.are added to bainitic spheroidal graphite rolls for obtaining acicular(bainite-martensite)matrix in its microstructure of these rolls.Its strength and toughnes is higher than Perlitic Nodular Cast Iron Rolls,Website:http://www.kdroll.com,wearability is also better than...

NCC Mill RollsNCC rolls aka. Non Continuous Carbide RollsRolls for roughers require a combination of some properties,Website:http://www.kdroll.com,some of which can be counteracted by the others. These properties include wearability, resistance of fire cracking and impact, hot hardness and hot strengh etc. Excessive network carbides will improve...

Spin Cast High Chrome Iron RollsFrom the name we can tell the casting process: Spin cast or centrifugal cast double poured. For spun casting,Website:http://www.kdroll.com, there’re three types, i.e. horizontal, vertical and slant spun casting. Compared to static casting, the small qty of high chrome iron outer shell can be fast chilled, result...

High Chromium Cast Steel Rolls The hardness of High Chromium Cast Steel Rolls rolls is as high as 65-80 HSC.Its matrix gives itself excellent wear resistance and good fire-crack resistance. HiCrS rolls have a low carbon content range of about 10%. An important characteristic of HCrS is that the mill is not required to adjust special water cooling...

Tool Steel RollsTool steel rolls newly developed by our company are manufactured in base of hot working die steel,Website:http://www.kdroll.com,whose working condition is similar to that of breakdown rolls ,even worse. It is formed in the high temperature state and has high thermal strength, high thermal stability, excellent wearability and...

Alloy Cast Steel RollsAlloy Cast Steel Rolls AKA. AS rolls belong to eutectoid steel and hypereutectoid steel. Alloy content greater than 0.8%,Website:http://www.kdroll.com, carbon content 0.4~1.3, Cr, Ni, Mo, V is added, matrix structure goes through heat treatment of normalizing and tempering, becoming sorbite and tempered sorbite.This type of...

K-metal SleevesThe sleeve is a white iron alloyed primarily with Cr and Mo. The microstructure consists of a discontinuous network of hard eutectic iron and chrome carbides embeded in a termpered mixed matrix. The uniform hardness across the section allows minimal wear on web and flanges giving;improved product finish better dimensional control...

Graphite Cast Steel RollsAll Kaida Rolls are certified with ISO9001:2008. The characteristics of graphite cast steel rolls are similar to that of adamite rolls,Website:http://www.kdroll.com,the main character is that it contains a small amount of fine graphite in its microstructure,which will increase its resistance to fire crack and prevent...

HSS Mill RollsHSS rolls have high hardness and good wear resistance at high temperature. These rolls are manufactured by Centrifugal Casting(CC) method and the roll core is filled with spheroidal graphite cast iron.The adequate chemical composition control and proper heat treatment ensures the hardness of roll working layer to reach as high as...

High Chrome Cast Steel Roll (HiCrI)High Chromium Cast steel roll is manufacturerdwith special process of triple casting and double duplex technology. High chromium cast steel roll is characterized by high nipping capability,Website:http://www.kdroll.com, high thermal resistance and high wear resistance.Chemical Composition...