SPECTRA SUPER ALLOYS LIMITED

LOW HYDROGEN CARBON STEEL ELECTRODES

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LOW HYDROGEN CARBON STEEL ELECTRODES
  • SUDO E7016
  • SUDO E7018
  • SUDO E7018-1

Heavy-duty structures, boilers, Ideal for joining dissimilar sections, restrained joints and oil soaked parts, castings, Can also be used as a cushioning alloy under hard facing deposits.

Classifications:AWS/SFA 5.1: E7016       IS 814: EB5426H3X

Description: A basic coated, low hydrogen electrode producing a medium tensile and ductile weld metal for welding heavy sections in mild steel. The electrode operates with ease in all position and is suitable for steels of unknown compositions and cast iron. Welds are of radiographic quality.

Applications:
  • Heavy-duty structures.
  • Earth moving machinery.
  • Rotary kiln shells.
  • Coaches.
  • Ships.
  • Locomotives.
  • Gray cast iron parts.
Weld Metal Chemistry (%):
C Mn Si S P
0.10 max 0.80 - 1.40 0.60 max 0.030 max 0.030 max
All Weld Mechanical Properties:
UTS (N/mm2) YS (N/mm2) Elongation (%) (L=4xD) CVN Impact values At temp.
510-620 440-530 24-30 50-80 J -30°C
Welding Currents: (Amp)
2.5 mm 3.15 mm 4.0 mm 5.0 mm
70-100 100-140 140-180 190-230

Diffusible H2 Content, ml 100 gm < 5

Classifications: AWS/SFA 5.1 E7018       IS 814 EB 5426H3JX

Description: A heavy coated, low hydrogen, iron powder type electrode producing tough and ductile weld metal .It has pleasing operating characteristics. Operating in all positions depositing X-rays quality welds. Specially recommended for heavy joints under restrain and those subject to dynamic loading. Deposition efficiency is 115% approx.

Applications:
  • Heavy structure.
  • Boilers.
  • Pressure vessels.
  • Penstocks.
  • Earth moving equipments.
  • Railways coaches wagons & locomotives.
  • Pipe lines.
Weld Metal Chemistry (%):
C Mn Si S P
0.10 max 0.80 - 1.40 0.60 max 0.03 max 0.03 max
All Weld Mechanical Properties:
UTS (N/mm2) YS (N/mm2) Elongation (%) (L=4xD) CVN Impact values At temp.
510-600 450-540 22-30 50-80 J -30°C
Welding Currents: (Amp)
2.5 mm 3.15 mm 4.0 mm 5.0 mm
70-100 100-140 140-180 190-230

Diffusible H2 Content, ml 100 gm < 5

Classifications:AWS/SFA 5.1: E7018-1       IS 814: EB 5629H3JX

Description: A heavy coated .low hydrogen, iron powder electrode which produces tough and ductile weld metal having remarkable impact strength at sub-zero temperature down to 450C.The electrode operates in all positions and gives radiographic quality welds. Suitable for welding heavy structures under dynamic loading and heavy impact.

Applications:
  • Heavy and rigid structure.
  • Pressure vessels.
  • Earth moving equipments.
  • Boilers.
  • Liquefied ammonia vessels.
Weld Metal Chemistry (%):
C Mn Si S P
0.10 max 1.20 - 1.50 0.60 max 0.03 max 0.03 max
All Weld Mechanical Properties:
UTS (N/mm2) YS (N/mm2) Elongation (%) (L=4xD) CVN Impact values At temp.
520-570 440-530 24-30 40-80 J -45°C
Welding Currents: (Amp)
2.5 mm 3.15 mm 4.0 mm 5.0 mm
70-100 100-140 140-180 190-230

Diffusible H2 Content, ml 100 gm < 5