Sunday, 1 November 2026
Standing Office 81 (SOVNPA 81) emblem Viet Nam NVietnam National Presiding Agency
on Countering the Proliferation of Weapons of Mass Destruction
Standing Office 81

1C513'High-entropy alloy' or ‘refractory metal and alloy’ powders, not specified in 1C002, having a surface modified with 'inoculants'.

List
EU dual-use list – Annex I to Regulation (EU) 2021/821, updated annually
Originating regime
Quốc gia/EU
Technical Notes:
For the purposes of 1C513.:
1. 'High-entropy alloys' are alloys having at least 5 principal metallic elements, each having concentration within the range of 5 to 35 atomic percent, from the following list: Al, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zr, Nb, Mo, Hf, Ta or W.
2. 'Inoculants' are additives that promote grain nucleation and increase the total area of grain boundaries to inhibit solidification defects.
3. 'Refractory metals and alloys' include the following metals and their alloys: niobium, molybdenum, tungsten and tantalum.