Home / Standards / GB/T 3074.4-2016 GB/T 3074.4-2016 Active Method for the determination of the coefficient of thermal expansion of graphite electrodes 石墨电极热膨胀系数(CTE)测定方法 Standard Type GBT ICS 29.050 CCS Q51 Status 现行 Issue Date 2016-08-29 Implementation 2017-07-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A