WELDING PROCEDURE SPECIFICATIONWPS No: ALU-WPS-017 Rev.0 PQR : ALU-PQR-017 Rev.0Welding Process: FCAW (136) Date: 24.11.2012Code: BS EN ISO 15614-1:2004 Type: Semi-Automatic

JOINTS Joint Design: Single "V"

Backing : With or without

Retainer: None

Preparation: Flame Cut / Machinging / GrindingBASE METALS Material Designation: S355G8 N 355EMZ API2H50N A5371MT LREH36 POSITIONS

Specification type & Grade : Position(s) Groove

: Plate : All

: 20 mm - 80 mm

Progression: Uphill Postion (s) Fillet : AllFILLER METALS PREHEAT

SFA Specification A 5.20Preheat Temperature

AWS Classification E71-T1Interpass Temperature 250 Deg C

Preheat Maintenance

F No. 6 GAS A No. 1 Shielding Gas: Argon+CO2 8% / 20%Size of Electrode/Wire 1.2 mm Trailing/Backing: None Flow Rate: 25 - 30 IpmFiller Addition N/A TECHNIQUE Consumable Insert Not allowed String or Weave Bead : String & Weave

Filler metal Product form N/A Orifice or Gas cup size : N/AFlux N/A Maximum weave width : 3 times Electrode Dia

Method of Cleaning : Griding / Power BrushingPOST WELD HEAT TREATMENT Method of Back Gouging : N/A

Soaking Temp. Range : N/A Multiple or Single Pass per Side : Multiple PassTime Range : N/A Single or Multiple Electrodes : SingleRate of Heating : N/A Travel Speed : 200 - 600 mm / min.Rate of Cooling : N/A Contact tube to work distance: 19mm (FCAW)

Oscillation : NoneUse of thermal process : None

ELECTRICAL CHARACTERISITICS (QW-409)

Weld Layer ProcessFiller Metal Current

Volt RangeClass Dia Amp. Range

Root FCAW E71-T1 1.2MM DCEP 150-170 20-26 210-230Hot FCAW E71-T1 1.2MM DCEP 185-235 22-28 200-610Fill FCAW E71-T1 1.2MM DCEP 185-235 22-28 200-610Cap FCAW E71-T1 1.2MM DCEP 185-235 22-28 200-610

ALUCOR LTD THIRD PARTY CLIENT

Name

Sign.

Date

□ Pipe □ Plate Dia/Thickness: 40 mmThickness Range

Other: Pipe Dia > 150mm in PA or PC & > 500mm all positions

30ºC I(For t <1", otherwise 100ºC for t >1")

Continuous or special heating where applicable should be recorded.

Travel Speed Range (mm/mt)

Max. Heat Input Kj/mmType/

Polarity

+10-560˚

2.5mm to 3.5mmmm 1 to 2 mm