Intermare Sarda WELDING PROCEDURE SPECIFICATION SPECIFICA
PROCEDIMENTO SALDATURA According to AWS D1.1:2006 + TOTAL GS EP STR
301 rev. 5
WPS 856110.016 Project: Usan TA&BA Sheet 1/1
SUPPORTING Verbale di procedura di saldatura: WPQR 91-2009
WELDING PROCESS(ES) AND TYPE: GTAW + FCAW Structural steel work
All NDT classesProcedimento di saldatura e tipo Manual +
Semiautomatic
JOINTS Smussi Groove design: See sketch Tipo
Backing: YES for FCAW Supporto
Backing mat: Weld metal (FCAW) Mat. Supporto
BASE MATERIAL Materiale Item A / Item B Spec. & type: EN
10225 S 355G15+N / ASTM A694 F52 AWS D1.1:2006 Gr. No. 2 / Gr. No.
2 Steel Mill & Delivery condition:ITEM
A:Vallourec&Mannesmann / Normalized ITEM B: Icarus / Forged +
Q&T Impact Test Quality: KL-40 & KT -50 / KL-29 & KT-29
Thickness mm: 9.53 28.58 Deposited metal: Spessore Mat.
Depositato
Diameter mm: 60.3 323.8 Diametro
ITEM A: C0,15% Ceq0,45% Pcm0,25% ITEM B: C0,11% Ceq0,41%
Pcm0,21%
POSITION Posizione Groove position: ALL Posizione di
cianfrino
Weld progr.: UPHILL FOR Avanzamento VERTICAL Fillet position:
N.A. Posizione d angolo
GAS
Shielding gas: Argon for GTAW; Gas di protezione Mixture Ar-CO2
for FCAW
PREHEAT Preriscaldo
HEAT TREATMENTS Trattamenti termici Type/ Tipo : NO Temp. C
47
Composition: 99.99% Argon for GTAW; Composizione 80% Ar 20%CO2
(2%nom) for FCAW
Maintenance: UP TO WELD COMPLETION Mantenimento
Holding temp.C Temperatura / /
Flow rate (l/min.): 1014 for GTAW Consumo 1820 for FCAW Method:
PROPANE BURNERS
Holding time h Mantenimento / /
Gas Backing: N.A. Gas di supporto Interpass C: 242 Heating rate
C/h Gradiente di Salita / / Trailing shielding gas compos.: N.A.
Cooling rate C/h
Gradiente di Discesa / / TECNIQUE Tecnica
FILLER METALS AND WELDING PARAMETERS Materiali d'apporto e
parametri di saldatura
String or weave bead: STRING Passata larga o stretta
Process Procedimento GTAW (1) GTAW (2) FCAW (1) FCAW(2)
Oscillation: N.A. Oscillazione
Filler type Mat. d'apporto OK 13.23 OK 13.23 OK 15.17 OK
15.17
Initial interpass cleaning: BRUSHING / GRINDING Pulizia
Supplier Fornitore ESAB ESAB ESAB ESAB
Method of back gouging: N.A. Metodo di ripresa
Size mm Diametro mm 2.4 2.4 1.2 1.2
Orifice or gas cup size: 10 mm for GTAW; 1420 mm for FCAW EN
Class. / / / / Contact tube to work distance: 1525 mm for FCAW SFA
N 5.28 5.28 5.29 5.29 Multipass or single: MULTIPASS AWS Class. ER
80S Ni1 ER 80S Ni1 E81T1-Ni1 E81T1-Ni1 Single or multiple
electrode: SINGLE F N 6 6 / /Power Source: CV output for FCAW A N
10 10 / /
NOTE : Current Corrente DIRECT DIRECT DIRECT DIRECT Consumable
control procedure: 856110-7006-INS-WI-QUAL-015 Amps 130 140 142 154
170 210 182 205 Welding Repair: according to WPS 856110.016R Volts
11.6 12.5 12.5 13.5 22 25.4 23.5 26
Maximum thickness of buttering shall be 12 mm Buttering is
allowed to correct root openings not greater than twice the thk
of
thinner part or 20mm, whichever is less
ROL cm N.A. N.A. N.A. N.A. Speed cm/min Velocit 6.3 7 6.8 7.3 24
26.3 23 26.5 Heat input KJ/mm
1.29 1.67 1.46 1.83 0.85 1.33 0.97 1.39 Polarity Polarit
STRAIGHT STRAIGHT REVERSE REVERSE Arc time Sec.
N.A. N.A. N.A. N.A.
SKETCH: (Schizzo)
37,5
0.7-
1.5
15
ITEM A ITEM B
3+1-0
+5-0
+5-0
WELDING SEQUENCE (Sequenza di saldatura) Single Side and
Buttering layers on ITEM A or B Root pass by GTAW(1); Hot pass by
GTAW(2); Fill by FCAW(1); Cap by FCAW(2) Double Side Root pass by
GTAW(1); Hot pass by GTAW(2); Fill by FCAW(1); Cap by FCAW(2)
Backgoug up to sound metal;Back passes (min 2) by GTAW(2)
-
3 15/12/2010 S. Musso M. Mihai 2 01/07/2010 O. Fois / S.
Musso
Rev. Date IMS, welding eng Reviewed by Saipem Third Party
Certification Approval by Total
