QA/QCAL JALHAMI CONT. & Trad. Co.Page 1 of 2

AL KHAFJI, K.S.A

WELDING PROCEDURE SPECIFICATION (WPS)Date:18/05/2014

Welding procedure specification no.QC/WPS/06Revision no.0Date18/05/2014

Supporting PQR no.QC/PQR/06Revision no.Date

Welding processSMAWType(s)MANUAL

CODE:ASME IX API 653AWS D1.1Others SAES-W11

BASE METALS (QW-403)

P. No.1 Group no.1toP. No.1Group no.1

Specification type and grade A 283 Gr. C or Equivalent

To specification type and grade Same or in Combination

Or

Chemical Analysis and Mech. Prop.

To Chemical Analysis and Mech. Prop.

Thickness Range:

Base MetalGroove1.5mm 16 mmFilletUnlimited

Pipe Dia. RangeGrooveAllFilletUnlimited

Other

JOINTS (QW-402)

Joint Design Single bevel, V, J, or U groove

BackingNILTypeN/A

ABAll Dimensions are in mmDetails

A 35 2

CDB 12 C 1.5 0.5D 3.2 0.8

FILLER METALS (QW-404)

F. No.4OtherNoneA. No.1Othernone

Spec No. (SFA)5.1

AWS No. (Class)E 7018

Size of filler metals2.4mm - 3.2mm

Electrode flux (class)N/A

Consumable insertN/A

TECHNICAL APPROVAL

Prepared byAl JALHAMI CONT. & TRAD. CO.Approved by KJO(AGOC/KGOC)

SignatureSignature

DateDate

QA/QCAL JALHAMI CONT. & Trad. Co.Page 2 of 2

AL KHAFJI, K.S.A

WELDING PROCEDURE SPECIFICATION (WPS)Date:18/05/2014

POSITION (QW-405)POST WELD HEAT TREATMENT (QW-407)

POSITION(S) or groove1G & 3GTemperature rangeNone

Welding progressionUp DownTime rangeN/A

position(s) of Fillet1F, 2F & 3FHeating rateN/Acooling rateN/A

PREHEAT (QW-406)GAS (QW-408)

Preheat Temp. min.21CShielding gas(es)NIL

Interpass Temp. max.172C% composition (mixtures)N/A

Preheat maintenamce N/AFlow rateN/A

Gas backing N/A

Trailing shielding gas compositionN/A

TECHNIQUE (QW-410)

String or Weaving BeadRoot: String, Fill/Cap: WeaveMax. weave width3 times of core wire dia.

Orifice or Gas Cup SizeN/A

Initial And Interpass Cleaning Brushing and/or Grinding

Method of Back GougingN/A

OscillationN/A

Contact Tube to Work DistanceN/A

Multiple or Single Pass (Per Side)Multiple

Multiple or Single ElectrodesSingle

Travel Speed (Range)75 150 mm/min

PeeningN/A

OtherN/A

ELECTRICAL CHARACTERISTICS (QW-409)

Current AC or DCDCPolaritySMAW: EP

AMPS (range)60-83 AmpsVolt(range)20-27 Volts

Tungsten electrode size and typeN/A

Mode of metal transfer for GMAWN/A

Electrode wire feed speed rangeN/A

Weld LayerProcessFillermetalCurrentVolt rangeTravel speed (mm/min)Other

ClassDia. (mm)TypeAmp

RootSMAWE70182.4 DCEP60-6520-2575-100

HotSMAWE70183.2DCEP70-7522-2775-100

FillSMAWE70183.2DCEP75-8024-27100-150

CapSMAWE70183.2DCEP70-8320-27100 -150