Home / Standards / GB/T 31214.2-2021 GB/T 31214.2-2021 Active Springs—Shot peening—Part 2：Cut wire shot technical specification and testing 弹簧 喷丸 第2部分：钢丝切丸技术要求与检测 Standard Type GBT ICS 21.160 CCS J26 Status 现行 Issue Date 2021-08-20 Implementation 2022-03-01 Responsible Dept 国家标准委 Drafting Unit N/A