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/08Revision
no.0Date18/05/2014
Supporting PQR no.Revision no.Date
Welding processGTAW+SMAWType(s)MANUAL
CODE:ASME IX API 1104AWS D1.1Others (ASME B31.3,B31.4)
BASE METALS (QW-403)
P. No.8 Group no.1toP. No.8Group no.1
Specification type and grade A312, TP316/316L or EQUIVALENT
To specification type and grade A312, TP316/316L or
EQUIVALENT
Or
Chemical Analysis and Mech. Prop.
To Chemical Analysis and Mech. Prop.
Thickness Range:
Base MetalGroove1.5mm 21.94 mmFilletUnlimited
Pipe Dia. RangeGrooveAllFilletUnlimited
OtherDeposited Weld metal thickness range: GTAW: Max. 8.4mm,
SMAW: Max. 13.54mm
JOINTS (QW-402)
Joint Design Single bevel, V, J, or U groove
BackingGas backingTypeArgon, 99.9%
ABDetails
A 35 2
CDB 10.97 C 1.5 0.5
All Dimensions are in mmD 3.2 0.8
FILLER METALS (QW-404)
F. No.GTAW: 6, SMAW: 4OtherNoneA. No.8Othernone
Spec No. (SFA)GTAW: 5.9, SMAW: 5.4
AWS No. (Class)ER316L / E316-16
Size of filler metalsGTAW: 2.4mm, SMAW: 2.4mm & 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:18/02/2014
POSITION (QW-405)POST WELD HEAT TREATMENT (QW-407)
POSITION(S) or grooveAll PositionsTemperature rangeNone
Welding progressionUp DownTime rangeN/A
position(s) of FilletAll PositionsHeating rateN/Acooling
rateN/A
PREHEAT (QW-406)GAS (QW-408)
Preheat Temp. min.10CShielding gas(es)Argon
Interpass Temp. max.250C% composition (mixtures)99.9%
Preheat maintenamce N/AFlow rate10 15 lpm
Gas backing 5 10 lpm
Trailing shielding gas compositionN/A
* Gas purging should be done until hot pass is completed
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)90 120 mm/min
PeeningN/A
OtherN/A
ELECTRICAL CHARACTERISTICS (QW-409)
Current AC or DCDCPolarityGTAW : EN, SMAW: EP
AMPS (range)90 to 180 AmpsVolt(range)15 - 35 Volts
Tungsten electrode size and type2.4 mm, EWTH - 2% Thoriated
Mode of metal transfer for GMAWN/A
Electrode wire feed speed rangeN/A
Weld LayerProcessFillermetalCurrentVolt rangeTravel speed
(mm/min)Other
ClassDia. (mm)TypeAmp
RootGTAWER70S-22.4 DCEN80-11515 - 2090 - 120
HotGTAWER70S-22.4DCEN95-12018 - 2790 - 120
FillSMAWE316-163.2DCEP90-12023 - 3570 - 90
CapSMAWE316-162.4DCEP70-12020 - 32100 -120
