GB/T 26656-2023
蠕墨铸铁金相检验
Metallographic test for compacted (vermicular) graphite cast irons
2023-05-23
GB/T 26655-2022
蠕墨铸铁件
Compacted（vermicular）graphite iron castings
2022-03-09
JB/T 14616-2024
内燃机 蠕墨铸铁气缸套 金相检验
2024-03-29
TB/T 2444-1993
铁道机车车辆用蠕墨铸铁件通用技术条件
General technical conditions of vermicular cast iron castings used for rolling stock
1993-11-11
T/CFA 020101071-2022
压缩天然气发动机用耐热疲劳铁素体蠕墨铸铁件
2022-11-02