1. P.Freijedo Date: 13.03.2015

2. Click here to add footer 2 C. Parente (HL-LHC Technical Quality Officer) Material samples provided by Niovawe: N22: Niobium Thickness 4mm to cavity: Results of tensile tests in rolling and transverse direction: Rm= 196.9 +/- 2.9MPa / 191.9 +/- 1.3 Mpa Rp0.2= 79.4+/- 3.9MPa / 71.5 +/- 2.6 Mpa A(%)=62.4+/- 4.0% / 61.2 +/- 2.5% N23: Niobium-Titanium Thickness 25mm to beam tube: Results of tensile tests in rolling and transverse direction: Rm= 551.1 +/- 29.5MPa / 542.0 +/- 23.4 Mpa Rp0.2= 545.4+/- 30.4MPa / 540.6 +/- 24.2 Mpa A(%)=17.0+/- 0.8% / 16.1 +/- 3.2% H8: Niobium Rod Thickness 16mm to beam tube: Results of tensile tests are NOT satisfactory: Rm=173.3 +/- 2.4MPa Rp0.2=168.1 +/- 4.3 MPa A(%) = 3% +/- 2.5% CONCLUSION: The Rod material is not annealed https://edms5.cern.ch/document/1493400/1 Test Reports here:

3. Click here to add footer 3 C. Parente (HL-LHC Technical Quality Officer) Beam tube for Crab Cavity Beam tube provided by Niovawe

4. Click here to add footer 4 C. Parente (HL-LHC Technical Quality Officer) The following tests have been performed to beam tube: -Ultrasonic test by Immersion: The results are satisfactory -Leak Test before and after thermal shocks in liquid nitrogen (five times): The results are satisfactory The following tests are on-going: -Control dimensional -Metallographic test Beam tube for Crab Cavity