Grade | Recommended applications |
LMM08R | Maximum hardness, excellent wear resistance in the series. Used in the last 1~2 stands of good high-speed rolling mills for rolling common and hard steel bars. |
LMM10R | Higher wear resistance. Mode rate impact resistance in the series. Used in the last 1~2 stands of good high-speed finishing rolling mills for rolling common and hard steel bars. |
LMM12R | High wear resistance and corrosion resistance. Used in the last 1~4 stands of finishing mills. |
LMM15R | Moderate wear resistance and impact resistance, good for general purpose. Used in the last 1~4 stands or all stands of finishing mills. |
LMM18R | Good toughness and thermal crack resistance, good for general purpose. Used in most stands of the finishing mills and the rear stands of common mills. |
LMM20R | Best for general purposes. Used in the front stands of good rolling mills and in the rear stands of common rolling mills. |
LMM25R | Used in the first and second stands of finishing rolling mills and in the stands of pre-finishing rolling mills. For every stand of rolling lines for tow speed rolling low precision and unstable operations. |
LMM30R | Maximum binder content in LMMR series, good toughness and thermal crack resistance. Used in the stands of pre-finishing rolling mills and for rolling rings for hot rolling of ribbed steel. |
LMM 32R | With good toughness and impact resistance, used for bar, deformed bar finish stand rolling. |
Grade | Recommended applications |
LMM06H | It possesses the highest hardness and the best wear-resistance among all the varieties of cemented carbide roll rings, thus used for the rolling of common wire and hard wire on the last 1~2 stands of high- speed wire rod finishing mill. |
LMM08H | It possesses better wear-resistance and moderate impact-resistance with the hardness second to LMM06H among all the varieties, thus used at the last two stands of high-speed wire rod finishing mill. |
LMM10H | It possesses the moderate wear-resistance and impact resistance, thus used at the last 3~4 stands of high-speed wire rod finishing mills. |
LMM15H | Moderate wear resistance and impact resistance, good for general purpose. Used in the last 1~4 stands or all stands of finishing mills |
LMM20H | Best for general purpose. Used in the front stands of good rolling mills and in the rear stands of common rolling mills. |
LMM25H | Maximum binder content in LMMH series, good toughness and thermal crack resistance. Used in the stands of pre-finishing rolling mills and for roll rings for hot rolling of ribbed steel. |
LMM30H | Maximum binder content in LMMH series, good toughness and thermal crack resistance. Used for roll rings for hot rolling of ribbed steel and in the stands of pre-finishing rolling mills. |
LMM32H | With good toughness and impact resistance, used for bar, deformed bar finish standing rolling. |
Grade | Recommended applications |
YGR20 | High wear resistance and corrosion resistance. Used in the last 1~2 stands of finishing mills. |
YGR25 | High wear resistance and corrosion resistance. Used in the last 1~3 stands of finishing mills. |
YGR30 | Good toughness, wear resistance, corrosion resistance and thermal crack resistance. Used in the middle and rear stands of finishing mills. |
YGR40 | Good roughness and thermal crack resistance, good for general purpose. Used in the most stands of the finishing mills and in the rear stands of common mills. |
YGR45 | Good toughness and thermal crack resistance. Used in the front stands of finishing mills. |
YGR55 | Good impact resistance. Used in the stands of pre-finishing rolling mills for hot rolling ribbed steel bars and they can be machined with turning and milling. |
YGR60 | Good impact resistance. Used for hot rolling ribbed steel bars and in the first and second stands of pre-finishing rolling mills. |
YGH40T | With good toughness and shock resistance, used for preferably high speed wire rolling machine, rolling small size deformed bar finish stand. |
YGH45T | With good toughness and shock resistance, used for general high speed wire or common rolling machine, rolling small size deformed bar finish stand |
