Schedule of Accreditation issued by United Kingdom Accreditation Service 2 Pine Trees, Chertsey Lane, Staines-upon-Thames, TW18 3HR, UK

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1 2 Pine Trees, Chertsey Lane, Staines-upon-Thames, TW18 3HR, UK Hareness Circle Industrial Estate Aberdeen Scotland AB12 3LY Contact: Mrs D McAdam Tel: +44 (0) Fax: +44 (0) info.aberdeen@element.com Website: below Laboratory locations: s covered by the organisation and their relevant activities details Activity Address Hareness Circle Industrial Estate Aberdeen Scotland AB12 3LY Local contact Mrs D McAdam Tel: +44 (0) Fax: +44 (0) info.aberdeen@element.com Metals & Weldments - Chemical tests Metals & Weldments - Corrosion tests Metals & Weldments - Mechanical tests Metals & Weldments - Metallurgical tests Site activities performed away from the locations listed above: details Activity Commercial and industrial premises and sites Metals & Weldments Metallurgical Tests Metals & Weldments - Positive Material Identification C&I Assessment Manager: NC2 Page 1 of 5

2 DETAIL OF ACCREDITATION Mechanical Tests Fracture toughness K1C Jcritical J0.2BL J1C CTOD R-Curve T0 BS 7448:Part 1:1991 BS7448-4:1997 inc Corr1 BS EN ISO 15653:2010 ISO 12135:2016 DNV OS F ASTM E1820:2016 BS 8571:2014 DNV RP F ASTM E1921:2016 ASTM E399-12e Fracture Standards Overview Fatigue and Crack Propagation Fatigue Crack Growth Rate at ambient temperature ASTM E647-15e1 BS ISO 12108:2012 Load Controlled Low Cycle Fatigue at ambient temperature ASTM E BS :1993 BS :1963 Tensile Tensile (Forces up to 2000 kn) BS EN ISO :2016 ASTM E8-/E8M-16a ASTM A Test Proc No 2.4 Tensile (temperature range ambient to 600ºC) (Forces up to 100 kn) BS EN ISO :2011 ASTM E21-09 Assessment Manager: NC2 Page 2 of 5

3 (cont d) Mechanical Tests (cont d) Charpy impact at temperatures between ambient and -130 C and at -196 C BS EN ISO 148-1:2010 ASTM E23-16b ASTM A Crystallinity BS 131:Part 5:1965(1996) Hardness Vickers hardness (HV 5 & 10) BS EN ISO :2005 ASTM E92-16 Brinell hardness (1/30 HBW) BS EN ISO :2014 ASTM E10-17 Rockwell hardness (HRBW and HRC scales) BS EN ISO :2016 ASTM E18-16 Equotip hardness (Comparative) Tech Proc No 3.2 Weldments Tensile, Impact, Bend, Hardness, Macro / Micro-examination BS EN ISO :2004+A2 :2012 BS EN ISO :2005 BS EN 287:Part 1:2011 BS EN ISO :2013 BS EN ISO :2004 BS EN ISO 4136:2012 BS EN ISO 9016:2012 BS EN ISO 5173:2010+A1:2011 BS EN ISO 5178 :2011 BS EN ISO :2011 BS EN ISO 9017:2013 BS EN ISO 17639:2013 BS 4872:Part 1:1982(1995) BS 4872:Part 2:1976(1995) BS :2009 BS :1999 API st Edition:2013 API 6A 20 th edition AWS D1.1/D1.1M:2015 ASME IX Assessment Manager: NC2 Page 3 of 5

4 (cont d) Metallurgical Tests Grain size (Comparison method) ASTM E Volume fraction ASTM E Micro-examination - to determine microstructural constituents Method No Identification of Surface Structure and Modes of Failure No.4.12 using scanning electron microscopy %Ferrite by Feritscope Method No / C&I Surface examination using metallographic replica techniques Method No / C&I Corrosion Tests Duplex stainless steels Detecting detrimental intermetallic phases ASTM A (Method C) Iron, Steels and other ferrous metals Intergranular corrosion ASTM A Practice C ASTM A Practice E BS EN ISO :1998 ASTM G28-02(2008) Method A Pitting and crevice corrosion resistance of stainless steels ASTM G48-11(2015) Method A BS :1999 (Annex C) Hydrogen induced cracking (HIC) NACE TM Sulphide stress corrosion cracking (SSCC) NACE TM (Method A) NACE TM ASTM G36-94 Assessment Manager: NC2 Page 4 of 5

5 Chemical Tests Plain carbon, low alloy and stainless steels Quantitative elemental analysis for: C, Si, Mn, P, S, Cr, Mo, N, Ni, Cu, V, Ti, Nb, Co, Zr, Pb, B and W 1.15 using optical emission spectroscopy Nickel and Nickel alloys Quantitative elemental analysis for: C, Si, Mn, P, S, Cu, N, Fe, Cr, Mo, Ti, Al and Nb 1.15 using optical emission spectroscopy Positive Material Identification by Hand Held XRF Method No / C&I END Assessment Manager: NC2 Page 5 of 5