Home / Standards / GB/T 40406-2021 GB/T 40406-2021 Active Standard test method for static modulus of elasticity and poisson's ratio of carbon materials in compression 炭素材料压缩静态弹性模量和泊松比测定方法 Standard Type GBT ICS 29.050 CCS Q 50 Status 现行 Issue Date 2021-08-20 Implementation 2022-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A