NS-EN 3114-004:2006 Aerospace series — Test method — Microstructure of (α + β) titanium alloy wrought products — Part 004: Microstructure of sheet for superplastic forming
2007NS-EN 3114-004:2006 Aerospace series — Test method — Microstructure of (α + β) titanium alloy wrought products — Part 004: Microstructure of sheet for superplastic forming