Standard Number: YB/T 4921-2021(YB/T4921-2021)
Chinese:高炉出铁沟浇注料施工及验收规范
English:Construction and acceptance specification of blast furnace casting material for iron outlet ditch
Effective Date:2021-10-01
Standard Applicability:This document specifies the construction and acceptance of castable material for iron outlet ditch of blast furnace, and the main technical contents include general provisions, terminology, basic provisions, castable material construction, winter construction and acceptance. This document applies to the construction quality inspection and acceptance of castable material for iron casting ditch of new, reconstructed and expanded ironmaking blast furnace.
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