GB/T 42663-2023

GB/T 37389-2019 Guides for energy efficiency assessment of steel secondary refining process GB/T 37429-2019 Guides for energy efficiency assessment of electric arc furnace process GB/T 28924-2023 Guides for calculating energy efficiency index for iron and steel enterprises GB/T 30163-2023 Specifications of top combustion stove with high blast temperature for blast furnace GB/T 44029-2024 Technical specification for continuous carbonization of low-rank coal breeze by indirect heating process GB/T 32151.34-2024 Requirements of the greenhouse gas emission accounting and reporting—Part 34: Carbon material production enterprise GB/T 32974-2024 Methods of determination and calculation of heat balance in regenerative furnace of iron and steel industry GB/T 44553-2024 Technical specification for energy-saving of hot-dip galvanizing thermal system for steel tubes