WPS-SILO

WELDING PROCEDURE SPECIFICATION WPS No: ALU-WPS-017 Rev.0 PQR : ALU-PQR-017 Re Welding Process: FCAW (136) Date: 24.11.2012 Code: BS EN ISO 15614-1:2004 Type: Semi-Automatic JOINTS Joint Design: Single "V" Backing : With or without Retainer: None Preparation: Flame Cut / Machinging / Grinding BASE METALS Material Designation: S355G8 N 355EMZ API2H50N A5371MT LREH3 POSITIONS Specification type & Gra: Position(s) Groove : Plate : All : 20 mm - 80 mm Progression: Up Postion (s) F FILLER METALS PREHEAT SFA Specification A 5.20 AWS Classification E71-T1 Interpass Temperatu 250 Deg C Preheat Maintenance F No. 6 GAS A No. 1 Shielding Gas: Argon+CO 8% / 20% Size of Electrode/Wire 1.2 mm Trailing/Backing: None Flow Rate Filler Addition N/A TECHNIQUE Consumable Insert Not allowe String or Weave Bead : String & Filler metal Product form N/A Orifice or Gas cup siz : N/A Flux N/A Maximum weave width : 3 times E Method of Cleaning : Griding / POST WELD HEAT TREATMENT Method of Back Gouging : N/A Soaking Temp. Range : N/A : Multiple Time Range : N/A : Single Rate of Heating : N/A Travel Speed : 200 - 600 Rate of Cooling : N/A Contact tube to work distance: 1 Oscillation : None Use of thermal process : None ELECTRICAL CHARACTERISITICS (QW-409) Weld Layer Process Filler Metal Current Class Dia Root FCAW E71-T1 1.2MM DCEP 150-170 20-26 210-230 Hot FCAW E71-T1 1.2MM DCEP 185-235 22-28 200-610 Fill FCAW E71-T1 1.2MM DCEP 185-235 22-28 200-610 Cap FCAW E71-T1 1.2MM DCEP 185-235 22-28 200-610 ALUCOR LTD THIRD PARTY CL Name Sign. Date □ Pipe □ Plate Dia/Thickness: 40 mm Thickness Range : Pipe Dia > 150mm in PA or PC & > 500mm all posi Preheat Temperature otherwise 100 >1") Continuous or spe where applicable recorded. Multiple or Single Pass per Side Single or Multiple Electrodes Volt Range Travel Speed Range (mm/mt) Type/ Polarity Amp. Range +10 -5 60˚ 2.5mm to 3.5mmmm 1 to 2 m

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Transcript of WPS-SILO

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˚