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Aerospace series. Test methods. Titanium alloy wrought products. Determination of primary alfa content. Point count method and line intercept method. Original standard UNE-EN 3683-2007 in PDF full version. Additional info + preview on request

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Aerospace series. Test methods. Titanium alloy wrought products. Determination of beta transus temperature. Metallographic method. Original standard UNE-EN 3684-2007 in PDF full version. Additional info + preview on request

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Aerospace series. Bolts in heat resisting steel FE-PA2601 (A286). Classification: 1 100 MPa/650 °C. Technical specification. Original standard UNE-EN 3685-2019 in PDF full version. Additional info + preview on request

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Corrigendum - Aerospace series - Bolts, double hexagon head, relieved shank, long thread, in heat resisting steel FE-PA92HT (A286), silver plated - Classification: 1 100 MPa/650 °C (Endorsed by AENOR in June of 2009.). Original standard UNE-EN 3686-2008 AC-2009 in PDF full version. Additional info + preview on request

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Aerospace series - Bolts, normal hexagon head, relieved shank, long thread, in heat resisting steel FE-PA92HT (A286), silver plated - Classification: 1 100 MPa/650 °C. Original standard UNE-EN 3687-2010 in PDF full version. Additional info + preview on request

Document status: Replaced by STB UNE-EN 3687-2026

Aerospace series. T-ring fillers in titanium alloy for welding pipes. 28000 kPa nominal pressure. Original standard UNE-EN 3689-2001 in PDF full version. Additional info + preview on request

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