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PIONEER

5kg Stainless Steel E312 Electrode - (2.5mm / 3.2mm / 4.0mm)

5kg Stainless Steel E312 Electrode - (2.5mm / 3.2mm / 4.0mm)

Regular price R1,771.58
Regular price Sale price R1,771.58
Unit price R354.32  per  kg
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Pioneer Stainless Steel E312 5kg welding electrodes are premium rutile-coated maintenance rods engineered for high tensile strength, excellent crack resistance, and superior performance when joining difficult-to-weld or dissimilar steels.
Key Technical Overview
  • Classification: AWS A5.4 E312-16 / E312L
  • Pack Size: 5 kg box
  • Available Diameters: 2.5 mm, 3.2 mm, and 4.0 mm
  • Welding Process: MMA / Stick / SMAW
  • Positions: All positions except vertical down
Material Compatibility & Best Uses
  • Dissimilar Metals: Ideal for joining stainless steel to carbon steel or low-alloy steels.
  • Problem Steels: Perfect for high-manganese steels, spring steels, tool steels, and hard-to-weld alloy combinations.
  • High-Stress Applications: Frequently chosen for heavy-duty fabrication, machinery repairs, cladding, and components exposed to thermal cycling or high mechanical wear. 
Standout Features
  • Crack Resistance: High chromium and moderate nickel content provide a robust metallurgical structure that resists hot cracking under extreme mechanical loads.
  • Smooth Arc Control: The rutile flux coating provides excellent arc stability, clean weld beads, and low spatter levels.
  • Easy Post-Weld Cleanup: Slag lifts away cleanly, saving time on grinding and surface finishing.
Operating Current Settings
  • 2.5 mm: 40 – 80 Amps
  • 3.2 mm: 74 – 110 Amps
  • 4.0 mm: 110 – 150 Amps
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