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PROCEDURE QUALIFICATION RECORD (PQRlCompany Name: ELITSHA HOLDINGS Date: 16/11/2007 PQR No.: 27196 Page 1 of2

Welding Processfes): GTAW &'SMAW Material: SA240 Gr321L I ASME - P8 We mg Iype:

JOINTS (QW-402) I RUN SEQUENCE I~

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Run Trade Electrode Process AWSNo. Volts Amps Cum: Electrode Travel SFA F A HeatNo, Name Size nt Polarity Speed No, No, No. Input.Tvnc

1 Afrox 1.6 mm GTAW ER347S1 14-16 80-100 DC NEG. MANUAL A5.9 G 8 N/A

2 Afrox 2.4 mm GTAW ER347SI 14-16 100-120 DC NEG. MANUAL AS.9 6 8 N/A

3 Afrox 2.4 mm SMAW E31GL IH4 40-50 DC POS. MANUAL AS.4 S 8 N/AE316L 40·50 MANUAL ---

4 Afrox 2.4 mm SMAW 12-14 DC POS. AS.4 S 8 N/A

5 Afrox 2.4 mm SMAW E316L 12-14 40-50 DC POS. MANUAL AS.4 5 8 N/ABASE METALS (QW-403) POSTWELD HEAT TREATMENT (QW-407)

Material Spec.: SA 240 Stainless Steel Plate PWHf Temperature: N/AType or Grade: 321L to Same Soak Time: N/AP-no.: 8 Group No.: 1 to P-no.: 8 Group No.: 1 Temperature Gradient: N/AThickness of Test Coupon: 8mm Other: N/ADiameter of Test Coupon: N/A

FILLER METALS (QW-404) GAS (QW-408)

SFA Specification: ER347S1 I E316L Gastes) Mixture Flow RateA WS Classification: SF A5.9 I SFA 5.4 Shielding: GTAW 99.9% Argon 12-15UminFiller Metal F.No.: F61 F5 Backing: GTAW 99.9% Argon 12-15UminWeld Metal Analysis A.No.: A8 Trailing: N/A Other: N/ASize of Filler Metal: 1.6 mm & 2.4mm (GTA W)

2.5 mm (SMA W)POSITION (QW-405) ELECTRICAL CHARACTERISTICS (QW-409)

Position of Groove: 6G Current: DCWeld Progression (Uphill/Downhill): Uphill Polarity: ElectrodeNegative(GTAW)I Electrode Positive (SMAW)Other: All positions ' Amps: 80-100 (GTAW) Volts: 14-16 (GTAW)

40-50 (SMAW) 12-14 (SMAW)TECHNIQUE (QW-410)Tungsten Electrode Size: 2.4 mm 2% thoriated PREHEAT (QW-406)Travel Speed: Manual Preheat Temp.: As weldedMultipass or Single Pass(per side): Multipass I single side Interpass Temp.: As welded (not controlled)String or Weave Bead: Stringer Other: NoneOscillation: YesSingle or Multiple Electrodes: Single

Id' T MANUAL

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WELDING PROCEDURE SPECIFICATION (WPSlCompany Name: ELITSHA .HOLDINGSWelding Type: MANUAL

WPS No.:WPS 27196 Rev.: 0Supporting PQR no.: PQR 27196

. Er h Hid' P t Er b thWelding Process(es): GTAW& SMAW Location: Its a 0 mgs, or Iza e

JOINT DETAILS RUNSEOUENCE

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Run Trade Electrode Process AWSNo. Volts Amps CUlTe Electrode Travel SFA F A HeatSize nt Polarity Speed No. No No InputNo. Name Type

1 Afrox 1.6 mm GTAW ER347S1 14-16 80-100 DC NEG. MANUAL A5.9 6 8 N/A2 Afrox 2.4 mm GTAW ER347S1 14-16 100-120 DC NEG. MANUAL A5.9 6 8 N/A3 Afrox 2.4 mm GTAW E316L 12-14 . 40-50 DC POS. MANUAL A5.4 5 8 N/A4 Afro x 2.4 mm SMAW EJ16L 12-14 40-50 DC POS. MANUAL AS.4 5 8 N/A5 Afrox 2.4 mm SMAW E316L 12-14 40-50 DC POS. MANUAL A5.4 5 8 N/A i

Joint Design: SINGLEVEE Backing: NONE Backing Material (Type): N/A

BASE METALSP-no.: 8 Group No.: 1 to P-no.: 8 Group No.: 1 Specification type and grade: SA 240 TP 321LDiameter: N/A (Plate) Base Metal Thickness: 8 mmBase Metal thickness Range Qualified: Groove: 1.6 mm to 16 mm Fil1et: As welded

FILLER METALSAWS No. (Class): ER347SI/E316L Spec. No. (SFA): 5.9/5.4 F-no.: 6 A-no.: 8Size of Filler Metals: 1.6 mm & 2.4 mm (GTAW) 2.4 mm (SMAW)Electrode-Flux (Class): N/A Travel Speed (Range): ManualConsumable insert: 2% Thoriated (Tungsten) 2.4mm dla, Electrode Wire feed speed range: ManualPOSITIONS POSTWELD HEAT TREATMENTPosition(s) of Groove: 2G Temperature Range: NONEWelding Progression: HORIZONTAL Time Range: N/A

PREHEAT SHIELDING GASPreheat Temp. Min: Ambient Gas(es) (Mixture) Flow RateInterpass Temp. Max: Below 200GC Argon (Pure) 99.99% 12-15L/minPreheat Maintenance: As Welded Trade Name: AFROX Trailing: N/A

Backing: ARGON

ELECTRICAL CHARACTERISTICSCurrent AC or DC: DC Polarity: GTAW Electrode Negative (Straight polarity)Amps (Range): 80-120 (GTAW) 40-50 (SMAW) SMAW Electrode PositiveVolts: 14-16 (GTAW) 12-14 (SMAW)

TECHNIOUEString or Weave Bead: STRINGER BEAD Orifice or Gas Cup Size: 12.0 mm (No. 8)Initial and Interpass Cleaning: WIRE BRUSH Method of Back Gouging: NONEContact Tube to Work Distance: 5.0 mm to 8.0 mm Multiple or Single Pass: MULTIPLE (ONE SIDE)

We certify that the statements In this record are correct and that the test welds were prepared, welded and testedin accordance with the requirements of ASME Section IX 2007

Manufacturer: Elitsha Holdings cc Witnessed by: Olivier Survey Group (PTY) Ltd.

Representative: P.Blaauw Date: 22/1112007 Representative: M.M. RUDMAN Date: 2211112007

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PQR No.: 27196Page 2 of2

TENSILE TEST (QW-150)

Specimen Width Thickness Area Ultimate Ultimate Unit Failure Location ElongationNo. mm Sq.mm Total Load Stress MPamm .

KN

A 19.1 8.00 152.8 90.87 594.68 PM 56%

B 19.1 8.00 152.8 90.66 593.31 PM 55.2%

GUIDED-BEND TESTS (QW-160)

Type and Figure No. Results Report No.A No visible cracks No visible cracks

B No visible cracks No visible cracks

TOUGHNESS TES S ( - mpac a uesSpecimen No. Notch Location Specimen Size Test Temp. RIbs. % Shear Mils Drop Weight Break (YIN)

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T QW 170) tV I

Comments: None

OTHER TESTSType of Test: None Report No.: N/ATests conducted by: Mechanical tests - NMMU - G. ErasmusWelder's Name: P. Blaauw lID No.: 5911245144087

Deposit Analysis: N/A Other: N/ALaboratoryTest Report No.: Osg2007-3Stamp number: EH 1

We certify that the statements in this record are correct and that the test welds were prepared, welded and tested inaccordance with the requirements of ASME Section IX 2007.

Manufacturer: Elitsha Holdings Witnessed by: OLlVIER SURVEY GROUP (PTY) LTD

Representative: Patrick Blaauw Representative: M.M. Rudman

Signature:

Date:

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