[轻工行业标准] QB/T 5612-2021 钛杯
[国外标准] SAE AMS 5612J-2007 Steel, Corrosion and Heat-Resistant, Bars, Wire, Forgings, Tubing, and Rings 12Cr
[化工行业标准] HG/T 5612-2019 工业用异己烷
[机械行业标准] JB/T 5612-2006 螺尖丝锥