CSWIP 3.1 WELDING CONSUMABLES

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Key note:

Storage Condition

Dew point of Consumable Gas: – 60 Deg

Filler material must be stored in an area with controlled temperature and humidity.

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MMA Consumables

Core wire made by Rimming steel

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Rimming steel (soft, bendable) but easy cause Carbon monoxide during welding –> Porosity itself

Weld properties controlled by covering Flux

Silicon (De-oxidizer) added to Flux to avoid the Porosity inhibited by rimming steel

Flux types comparison:

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Flux types identification:

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Impact test energy as per EN ISO 2560:

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A ~ 47J / B ~ 27J

Tensile strength or Yield Strength

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SS – ELECTRODE SMALLER THAN CS ELECTRODE BECAUSE OF LOWER ELECTRIC CONDUCTIVITY.

TIG Consumables

EB INSERT (SEE TERMS AND DEFINITIONS)

Nitrogen will not be used for Ni,Ni-alloys and Mild Steel

MIG/MAG Consumables

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Electrode coating with Copper (for electric pick-up) can cause Cu-contamination in welds

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“Cast” & “Helix” terms used for checking the quality of wire

FCAW Consumables

Potassium & Sodium used for Arc stabilization and Slag formation.

SAW Consumables

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Fused vs Agglomerated Fluxs
  • Hygroscopic ~ absorb the water

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