Welding Procedure Specification (WPS)

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1 Weldin Procedure Speciication (WPS) Weldin Procedure No: CH9MN-0 Weldin process (root): (GTW) Parent Material: 335 P9 - Consumable: SME IX P-Number 5B - Speciication: Weldin process (ill): BS EN: W CrMo 9 WS: ER90S-B9 (SMW) - Consumable: Thickness: Speciication: BS EN, E CrMo 9 B Outside : 6 NB (406 OD) Joint Type: Butt sinle sided Weldin Position: SME: 5G Manual/Mechanised: Manual BS EN: PF Joint or thickness < 20 Joint or thickness > 20 = -3; = 2-4; = 70 = -3; = 2-4; = 70 ; = 20 Weldin Details Rem oltae ~25 Type o current kj/ ~.2 ~.0 Electrode Bakin or Dryin: o C/-2h Notes: Gas root () shieldin: Pure r pure: Pure r (note ). Maintain pure or runs -3. Gas Flow Rate () Shieldin: 8-5 l/min Pure: 4-0 l/min 2. Preheat 50 o C min or. Tunsten Electrode Type/Size: 2% Th/ 3. Cool to ~00 o C beore PWHT. Details o Back Gouin/Backin: 4. in & coolin rate <00 o C/h (above 300 C). Preheat 200 o C min (note 2) 5. Striner beads, maximum weave 3 x ø. Interpass 300 o C max Post-Weld Treatment: Note o C ± 0 o C h/25 (2 hours min) Note 4. c:\my documents\technical\weldin procedure speciications\tr884 wps.doc

EN: PF Joint or thickness < 20 Joint or thickness > 20 = -3; = 2-4; = 70 = -3; = 2-4; = 70 ; = 20 Weldin Details 2-3 4-7 Rem 4.0 80-40 90-30 20-70 oltae ~25 Type o current kj/ ~.2 ~.

2 Weldin Procedure Speciication (WPS) Weldin Procedure No: CH9MN-02 Weldin process (root): Parent Material: C2 ((cast) - Consumable: - SME IX P-Number 5B - Speciication: - Weldin process (ill): (SMW) - Consumable: Thickness: Speciication: BS EN, E CrMo 9 B Outside : - Joint Type: Butt/roove Weldin Position: SME, G Manual/Mechanised: Manual BS EN, P R R =8-2; = Weldin Details oltae ~23 ~25 Type o current kj/ ~.4 ~.8 Electrode Bakin or Dryin: o C/-2h Notes: Gas root () shieldin: pure:. Cool to ~00 o C beore PWHT. Gas Flow Rate () Shieldin: Pure: 2. in & coolin rate <00 o C/h (above 300 C). Tunsten Electrode Type/Size: Details o Back Gouin/Backin: Preheat Interpass 200 o C min 300 o C max Post-Weld Treatment: Note. 745 o C ± 0 o C 8 hours Note 2. c:\my documents\technical\weldin procedure speciications\tr884 wps.doc

0 5.0 90-35 30-80 60-240 oltae ~23 ~25 Type o current kj/ ~.4 ~.8 Electrode Bakin or Dryin: 300-350 o C/-2h Notes: Gas root () shieldin: pure:. Cool to ~00 o C beore PWHT.

3 Weldin Procedure Speciication (WPS) Weldin Procedure No: CH9B9-0 Weldin process (root): (GTW) Parent Material: 335 P9 - Consumable: SME IX P-Number 5B - Speciication: WS ER90S-B9 (note ). Weldin process (ill): (SMW) - Consumable: Chromet 9-B9 Thickness: Speciication: WS E905-B9 (note 2). Outside : 6 NB (406 OD) Joint Type: Butt sinle sided Weldin Position: SME, 5G Manual/Mechanised: Manual BS EN, PF Joint or thickness < 20 Joint or thickness > 20 = -3; = 2-4; = 70 = -3; = 2-4; = 70 ; = 20 Weldin Details Rem Chromet 9-B9 Chromet 9-B oltae ~25 Type o current kj/ ~.0 Electrode Bakin or Dryin: o C/-2h Notes: Gas root () shieldin: Pure r pure: Pure r (note 3). SME IX, QW-432 F-number 4. Gas Flow Rate () Shieldin: 8-5 l/min Pure: 4-0 l/min 2. SME IX, QW-442 -number 5. Tunsten Electrode Type/Size: 2% Th/ 3. Maintain pure or runs -3. Details o Back Gouin/Backin: 4. Preheat 50 o C min or. Preheat 200 o C min (note 4) 5. Cool to ~00 o C beore PWHT. Interpass 300 o C max 6. in & coolin rate <00 o C/h (above 300 C). Post-Weld Treatment: Note o C ± 0 o C h/25 (2 hours min) Note 6. c:\my documents\technical\weldin procedure speciications\tr884 wps.doc

Outside : 6 NB (406 OD) Joint Type: Butt sinle sided Weldin Position: SME, 5G Manual/Mechanised: Manual BS EN, PF Joint or thickness < 20 Joint or thickness > 20 = -3; = 2-4; = 70 = -3; = 2-4; = 70 ;

4 Weldin Procedure Speciication (WPS) Weldin Procedure No: CMM9-0 Weldin process (root): (GTW) Parent Material: 335 P9 - Consumable: SME IX P-Number 5B - Speciication: BS EN: W CrMo 9 Weldin process (ill): MIG (GMW) - Consumable: Cormet M9 (MCW) Thickness: Speciication: WS: ER90C-G Outside : - Joint Type: Butt sinle sided Weldin Position: SME, G Manual/Mechanised: Manual BS EN, P Joint or thickness < 20 Joint or thickness > 20 = -3; = 2-4; = 70 = -3; = 2-4; = 70 ; = 20 Weldin Details oltae Type o current kj/ MCW MCW Cormet M9 Cormet M ~28 ~29 (note ) (note 2) ~0 ~7 ~.2 ~.6 ~ 2.0 Electrode Bakin or Dryin: Notes: Gas (Cormet M9) shieldin: r-2.5%co 2 pure: r. Electrode stickout Gas Flow Rate Shieldin: 5-25 l/min Pure: 4-0 l/min 2. Electrode stickout Tunsten Electrode Type/Size: 2% Th/ 3. Preheat 50 o C min or. Details o Back Gouin/Backin: 4. Cool to ~00 o C beore PWHT. Preheat 200 o C min (note 3) 5. in & coolin rate <00 o C/h (above 300 C). Interpass 300 o C max Post-Weld Treatment: Note o C ± 0 o C h/25 (2 hours min) Note 5. c:\my documents\technical\weldin procedure speciications\tr884 wps.doc

thickness < 20 Joint or thickness > 20 = -3; = 2-4; = 70 = -3; = 2-4; = 70 ; = 20 Weldin Details oltae Type o current kj/ 5 - - MCW MCW Cormet M9 Cormet M9.2.6 240-280 270-330 ~28 ~29 (note ) (note 2) ~0 ~7 ~.

5 Weldin Procedure Speciication (WPS) Weldin Procedure No: SCF9-0 Weldin process (root): (GTW) Parent Material: 335 P9 - Consumable: SME IX P-Number 5B - Speciication: WS: ER90S-B9 Thickness: 5-60 Weldin process (ill): - Consumable: Joint Type: Sinle side butt weld - Speciication: WS: E905-B9 Manual/Mechanised: Manual Weldin process (ill): FCW - Consumable: Supercore F9 (Note ) Weldin Position: SME: 6G - Speciication: _ BS EN: HL045 Weldin Sequences = -2; = 3-4; = 75 ; = 0-20 Weldin Details oltae Type o current / Polarity kj/ 2-6 Fill FCW Supercore F ~ (Note 2) ~6-8 ~.4 ~.0 ~.2 Electrode Bakin or Dryin: C/-2h Notes: Gas root () shieldin: ron pure: ron (Note 3). Shieldin as r-20%co 2 at 5-25 l/min. Gas Flow Rate () Shieldin: 8-2 l/min Pure: 4-0 l/min 2. Electrode stickout Tunsten Electrode Type/Size: 2% Th / 3. Maintain pure or at least irst two runs. Details o Back Gouin/Backin: 4. Preheat 50 C min or. Preheat 200 C min (note 4) 5. Cool to ~00 C beore PWHT. Interpass 300 C 6. in & coolin rate <00 C/h (above 300 C). Post-Weld Treatment: Note C ± 0 C h/25 (min 3 hours) Note 6. c:\my documents\technical\weldin procedure speciications\tr884 wps.doc

Position: SME: 6G - Speciication: _ BS EN: HL045 Weldin Sequences = -2; = 3-4; = 75 ; = 0-20 Weldin Details oltae Type o current / Polarity kj/ 2-6 Fill FCW Supercore F9.

6 Weldin Procedure Speciication (WPS) Weldin Procedure No: SW-P9-0 Weldin process (root): (GTW) Parent Material: 335 P9 SME IX P-No. 5B - Consumable: Thickness: Speciication: BS EN, W CrMo 9 Outside diameter: Weldin process (hot pass): (SMW) - Consumable: Joint Type: Butt sinle sided - Speciication: BS EN E CrMo 9 B Manual/Mechanised: Manual & mechanised Weldin process (ill): SW - Consumable: + L49 (lux) Weldin Position: SME, G (GR; note 6). - Speciication: BS EN S CrMo 9 (wire). BS EN, P (note 6). = 3; = 2-4; = 70 ; = 20 Weldin Details Rem SW (note ) oltae ~30 Type o current / Polarity Travel /min kj/ ~.0 ~ 2.0 Electrode & Flux Dryin: o C/-2h Notes: Gas root () shieldin: Pure r pure: Pure r (note 2). SW lux L49. Gas Flow Rate () Shieldin: 8-5 l/min Pure: 4-0 l/min ~20 wire extension, ~30 lux depth. Tunsten Electrode Type/Size: 2% Th/ 2. Maintain pure or runs -3. Details o Back Gouin/Backin: 3. Preheat 50 o C min or. Preheat 200 o C min (note 3) 4. Cool to <00 o C beore PWHT. Interpass 300 o C max 5. in & coolin rate <00 o C/h (above 300 C). Post-Weld Treatment: Note For rotated pipe, head to be 0 beore TDC 760 o C ± 0 o C perpendicular to pipe. h/25 (2 hours min) Note 5. c:\my documents\technical\weldin procedure speciications\tr884 wps.doc

Manual/Mechanised: Manual & mechanised Weldin process (ill): SW - Consumable: + L49 (lux) Weldin Position: SME, G (GR; note 6). - Speciication: BS EN S CrMo 9 (wire). BS EN, P (note 6).

European Welding Standards

European Welding Standards John Dyson 15 th March 2004 European Standards Harmonised Standards Not all EN Standards are Harmonised, only those that are considered to satisfy relevant ESRs in product directives.