1. Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Technical Basis of Material Toughness Requirements in the ASME Boiler and Pressure Vessel Code, Section VIII, Division 2 J. Pressure Vessel Technol. 2012;134(3):031001-031001-13. doi:10.1115/1.4005854 VIII-1, Paragraph UCS 66 exemption curves are shown. Indicated notes define the materials covered. Figure Legend:

2. Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Technical Basis of Material Toughness Requirements in the ASME Boiler and Pressure Vessel Code, Section VIII, Division 2 J. Pressure Vessel Technol. 2012;134(3):031001-031001-13. doi:10.1115/1.4005854 (VIII-2 Figure 3.3)—Charpy V-Notch impact test requirements for full-size specimens for carbon and low alloy steels as a function of the specified minimum yield strength—Parts not subject to PWHT.Notes: (1) Interpolation between yield strength values is permitted.(2) The minimum impact energy for one specimen shall not be less than two-thirds of the average impact energy required for three specimens.(3) Materials produced and impact tested in accordance with SA-320, SA-333, SA-334, SA-350, SA-352, SA-420, SA-437, SA-508 Grade 5 Class 2, SA-540 (except for materials produced under Table, Note 4 in the specification), SA-723, and SA- 765 do not have to satisfy these energy values. Materials produced to these specifications are acceptable for use at a minimum design metal temperature not colder than the test temperature when the energy values required by the applicable specification are satisfied.(4) If the material specified minimum tensile strength is greater than or equal to 655 MPa (95 ksi), then the material toughness requirements shall be in accordance with VIII-2, Part 3, paragraph 3.11.2.1.b.2.(5) Data of Fig. are shown in VIII-2, Part 3, Table 3.12.(6) Data of Fig. are shown in VIII-2, Part 3, Table 3.13.(7) See VIII-2, Part 3, paragraph 3.11.2.1.b.1 for Charpy V-notch specimen thicknesses less than 10 mm (0.394 in.) Figure Legend:

3. Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Technical Basis of Material Toughness Requirements in the ASME Boiler and Pressure Vessel Code, Section VIII, Division 2 J. Pressure Vessel Technol. 2012;134(3):031001-031001-13. doi:10.1115/1.4005854 (VIII-2 Figure 3.4)—Charpy V-Notch impact test requirements for full-size specimens for carbon and low alloy steels for selected specified minimum yield strength—Parts subject to PWHT.Notes: (1) Interpolation between yield strength values is permitted. (2) The minimum impact energy for one specimen shall not be less than two-thirds of the average impact energy required for three specimens. (3) Materials produced and impact tested in accordance with SA-320, SA-333, SA-334, SA-350, SA-352, SA-420, SA-437, SA-508 Grade 5 Class 2, SA-540 (except for materials produced under Table, Note 4 in the specification), SA-723, and SA-765 do not have to satisfy these energy values. Materials produced to these specifications are acceptable for use at a minimum design metal temperature not colder than the test temperature when the energy values required by the applicable specification are satisfied. (4) If the material specified minimum tensile strength is greater than or equal to 655 MPa (95 ksi), then the material toughness requirements shall be in accordance with VIII-2, Part 3, paragraph 3.11.2.1.b.2. (5) Data of Fig. are shown in VIII-2, Part 3, Table 3.12. (6) Data of Fig. are shown in VIII-2, Part 3, Table 3.13. (7) See VIII-2, Part 3, paragraph 3.11.2.1.b.1 for Charpy V-notch specimen thicknesses less than 10 mm (0.394 in.) Figure Legend:

4. Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Technical Basis of Material Toughness Requirements in the ASME Boiler and Pressure Vessel Code, Section VIII, Division 2 J. Pressure Vessel Technol. 2012;134(3):031001-031001-13. doi:10.1115/1.4005854 (VIII-2 Figure 3.7)—Impact test exemption curves—Parts not subject to PWHT Figure Legend:

5. Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Technical Basis of Material Toughness Requirements in the ASME Boiler and Pressure Vessel Code, Section VIII, Division 2 J. Pressure Vessel Technol. 2012;134(3):031001-031001-13. doi:10.1115/1.4005854 (VIII-2 Figure 3.8)—Impact test exemption curves—Parts subject to PWHT and nonwelded part Figure Legend:

6. Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Technical Basis of Material Toughness Requirements in the ASME Boiler and Pressure Vessel Code, Section VIII, Division 2 J. Pressure Vessel Technol. 2012;134(3):031001-031001-13. doi:10.1115/1.4005854 (VIII-2 Figure 3.12)—Reduction in the MDMT without impact testing—Parts not subject to PWHT Figure Legend:

7. Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Technical Basis of Material Toughness Requirements in the ASME Boiler and Pressure Vessel Code, Section VIII, Division 2 J. Pressure Vessel Technol. 2012;134(3):031001-031001-13. doi:10.1115/1.4005854 (VIII-2 Figure 3.13)—Reduction in the MDMT without impact testing—Parts subject to PWHT and nonwelded parts Figure Legend:

8. Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Technical Basis of Material Toughness Requirements in the ASME Boiler and Pressure Vessel Code, Section VIII, Division 2 J. Pressure Vessel Technol. 2012;134(3):031001-031001-13. doi:10.1115/1.4005854 Charpy V-Notch lateral expansion requirements (CVN LE) in old VIII-2 and the 2007 edition of VIII-2 Figure Legend:

9. Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Technical Basis of Material Toughness Requirements in the ASME Boiler and Pressure Vessel Code, Section VIII, Division 2 J. Pressure Vessel Technol. 2012;134(3):031001-031001-13. doi:10.1115/1.4005854 (VIII-2, Figure 3.6)— Charpy V-Notch lateral expansion requirements (CVN LE) in VIII-2, 2008 Addenda Figure Legend:

10. Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Technical Basis of Material Toughness Requirements in the ASME Boiler and Pressure Vessel Code, Section VIII, Division 2 J. Pressure Vessel Technol. 2012;134(3):031001-031001-13. doi:10.1115/1.4005854 Required CVN LE for materials with a UTS > 95 ksi using approaches 1 and 2 Figure Legend:

11. Date of download: 6/2/2016 Copyright © ASME. All rights reserved. From: Technical Basis of Material Toughness Requirements in the ASME Boiler and Pressure Vessel Code, Section VIII, Division 2 J. Pressure Vessel Technol. 2012;134(3):031001-031001-13. doi:10.1115/1.4005854 Final required CVN LE for materials with a UTS > 95 ksi Figure Legend: