In view of easy breakage and short service life of the YG15 carbide guide and guard used in oval pass of finishing stands of wire rod mill,the Cu-W alloyed guide and guard is begun to use.
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释义
针对精轧机组椭圆孔型导卫装置中YG15硬质合金块易碎裂、寿命低等问题,改用铜钨基合金导卫。
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