YB/T 4447-2025 Active Industry standards-Black metallurgy

YB/T 4447-2025 Dry coke-burning equipment refractory products

Publish Date: 2025-12-17 Implement Date: 2027-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: YB/T 4447-2025

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Special refractory materials

ICS Name: Fire-resistant materials

Publish Date: 2025-12-17

Implement Date: 2027-07-01

Publisher: 工业和信息化部

Technical Committee: 全国耐火材料标准化技术委员会

Development Information

Replace the following standards

YB/T 4447-2014 Dry coke-furnace refractory products for use in coke-furnace dry coke-furnace refractories

Related Standards

GB/T 3002-1982 Replaced

GB/T 3002-1982 Test method for modulus of rupture of refractory products at elevated temperatures

Publish Date: 1982-03-29

GB/T 3994-1983 Replaced

GB/T 3994-1983 Shaped insulating refractory products—Fireclay bricks

Publish Date: 1983-12-12

GB/T 3995-1983 Replaced

GB/T 3995-1983 Shaped insulating refractory products—High alumina bricks

Publish Date: 1983-12-12

GB/T 3996-1983 Abolished

GB/T 3996-1983 Shaped thermal insulating products—Diatomite bricks and shapes

Publish Date: 1983-12-12

GB/T 4984-1985 Replaced

GB/T 4984-1985 Chemical analysis methods of zirconia-alumina refractories

Publish Date: 1985-03-06

GB/T 6900.9-1986 Replaced

GB/T 6900.9-1986 Fireclay and high-alumina refractories—Determination of potassium oxide and sodium oxide content—Atomic absorption spectrophotometric method

Publish Date: 1986-08-26