Home / Standards / GB/T 43938.3-2026 GB/T 43938.3-2026 Upcoming Test method for mechanical properties of thin-walled tube of carbon fiber reinforced composite—Part 3:Bending testing of cantilever beam 碳纤维增强复合材料薄壁管件力学性能试验方法 第3部分:悬臂梁弯曲试验 Standard Type GBT ICS 83.120 CCS Q 23 Status 即将实施 Issue Date 2026-01-28 Implementation 2026-08-01 Responsible Dept 国家标准委 Drafting Unit N/A