YB/T 4921-2021 Active Industry standards-Black metallurgy

YB/T 4921-2021 Blast furnace slag pouring material construction and acceptance specifications

Publish Date: 2021-05-17 Implement Date: 2021-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: YB/T 4921-2021

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Metallurgical machinery and equipment

ICS Name: Black metals

Publish Date: 2021-05-17

Implement Date: 2021-10-01

Scope

This document specifies the construction and acceptance of pouring materials for the iron pouring gutter of blast furnaces. The main technical contents include general principles, terms, basic provisions, pouring material construction, winter construction and acceptance. This document is applicable to the construction quality acceptance of pouring materials for the iron pouring gutter of newly built, reconstructed and expanded blast furnaces.