Purging Plugs and Well Blocks for Refining Ladle

摘要

YB/T 4118-2003 1 ScopeThis standard specifies the classification,technical requirements,test methods,inspection rules,marking,packing,transportation,storage and quality certificate of purging plugs and well blocks for refining ladle. This standard is applicable to the directional slit purging plugs and well blocks for refining ladle.