WELDING PROCEDURE SPECIFICATION WPS No.: 13-OPV-09

(WPS) Sust. PQR No.:

Date: 10/7/2009

WPS Revision No.: 001

PRODUCCION DEPARTAMENT (SPECIFICATION - RULE) PAG 1 OF 2

WELDER AND CUTTING DIVISION F-DEPRO-26-01

OWNER: ARC PROYECT: ARC OFFSHORE PATROL VESSEL, OPVWELDNIG PROCESS: FCAW TYPE: SEMI-AUTOMATIC

TYPE OF JOIN TO WELDING: TYPE OF JOIN (Details) :

Type of material : N/A

Groove angle: N/A____________________

POSITIONS:

Direction of avance: Overhead

Other: N/A

BASE METALS: SHIELDING:

Gas : CO2__________________________________

Material specification: ASTM A131 GR AH32 to A131 GR AH32 Flow rate : 40 - 45 cfh_____________________________________

Composition: CO2 100%_________________________

Other: __N/A

FILLER METAL:DESCRIPTION PASS NUMBER (MULTIPASS)

1 2 o/sGL quality grade 3YH10S 3YH10SNo. Of specification SFA AWS 5.20 AWS 5.20

No. Clasification AWS E 71T-1C/9C E 71T-1C/9C

No. F 8 8

No. A 1 1

Made by LINCOLN ELECTRIC LINCOLN ELECTRIC

Electrode diameter 0,045" 0,045"

Amount of filler metal (Kg/h) 2,75 - 9,11 2,75 - 9,11

Fundent N/A N/A

Inserto consumible N/A N/A

Others. (Comercial mark) LW-71 LW-71

No. Pass Process Corriente Velocity of OTHER

Class Inductance Amperage Polarity Range of avance

(Amp) Voltage (mm/min)

1 (Raiz) FCAW DCEP N/A 220 - 230 Inverse (+) 25 - 26 7 - 10 -------

2 (Presentación) FCAW DCEP N/A 220 - 230 Inverse (+) 25 - 26 7 - 10 -------

Type of join: FILET WELD

Backing Yes _____ No __X____

Root face: N/A___________________________

Root opening: _2 to 3 mm______________________

Welding positions: 4F

P No. __9____ Gr. No. __2____ to P No. __9____ Gr. No. ___2___

Material Thickness: ______8 mm________ to _____8 mm_________

Diameter range: _____N/A__________ to _____N/A_________ Backrest Gas: N/A___________________________________

Flow rate : N/A______________________________________

Composition: N/A__________________________

WELDING PROCEDURE SPECIFICATION WPS No.: 13-OPV-09

(WPS) Sust. PQR No.:

Date: 7/23/2009

WPS Revision No.: 001

PRODUCCION DEPARTAMENT (SPECIFICATION - RULE) PAG 1 OF 2

WELDER AND CUTTING DIVISION F-DEPRO-26-01

PREHEATING: THERMICAL TREATMENT:

Mín. Temp. : Ambient

Max. temp. Of interpass : 93ºC

Temp. Of thermal treatment: N/A

Conformation Temp.: Ambient

Temp. Of root pass: Ambient

Heating By: Torch N/A

EQUIPMENT:

Class: Estatic Diameter: N/A

Longitud: N/A

Mode of the material transfer FCAW : Short Circuit Spray Globular

Others: N/A

TECHNICAL IMPLEMENTATION

DESCRIPTION PASS NUMBER (MULTIPASS)1 2 o/s

Nozzle size 5/8" 5/8"

Cordon continuous X X

Cordon swung or rectum SWUNG SWUNG

Manual, Semiautomatic mode SEMI-AUTOMATIC SEMI-AUTOMATIC

Martilleo (Peening) N/A N/A

Form of endorsement N/A N/A

Method of removing the backing N/A N/A

Length of the point of contact work and tube 18-22 mm 18-22 mm

Pass simple or multiple MULTIPASS MULTIPASS

Clean and initial interpases PULISH PULISH

Speed application (in/min) 7 - 10 7 - 10

Others N/A N/A

APPROVED BY: NOTES:

1. Keep the welding electrodes in the furnace

Information X 2. Do not the welding prosess under rain

Qualification 3. The working area must be clean free from wind and humidity.

Fabrication X

By: TF CAMILO GÓMEZ Date: 7/23/2009

WELDING DIVISION BOSS

Type : _______N/A_____________________________________

Star Temp. : _____N/A___________________________

Heating Rate : ______N/A_______________________

Holding Temp. : _________N/A__________________

Holding time : _________N/A__________________

Temp. filling: N/A Cooling Rate : ________N/A_______________________

Mode of cooling: _________N/A_____________________

Type: Rectificador -Transformador

Class A.W.S. of Tungsten : N/A

Usae only in: UNLIMITED_________________

X