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CLASSIFICATIONS: E81T1-GM per AWS A5.29

This low alloy, flux cored, all position electrode is intended for welding low alloy steels where a minimum tensile strength of 80,000 psi is required.

APPLICATIONS: Select 737Ni is a superb choice for the flux cored welding of steels requiring good low temperature toughness and a minimum tensile strength of 80,000 psi. Typical applications include offshore pipe, mining machinery, earthmoving equipment and structural uses that demand excellent toughness.

DIAMETERS: .035",
.045", .052", 1/16"

SHIELDING GAS: 75-80% Ar/20-25% CO2, 40-55 cfh

WELDING POSITIONS: All positions

CHARACTERISTICS:

  • Arc transfer is very positive, stable and smooth, with low spatter.
  • Delivers good arc drive.
  • Fast freezing slag removes readily and cleanly.

    TYPICAL MECHANICAL PROPERTIES
      75% Ar/
    25% CO2
    Ultimate Tensile Strength (psi) 89,400
    Yield Strength (psi) 78,000
    Percent Elongation 28
    CVN (ftlb f) @ -20° F 80
    CVN (ftlb f) @ -40° F 69

    TYPICAL DEPOSIT COMPOSITION
    Wt% C Mn P S Si Ni
    75 Ar/25 CO2
    .07 1.60 .008 .007 .35 .85

    RECOMMENDED WELDING PARAMETERS*
      Optimum Range
    Diam. Position Amps Volts WFS Amps Volts
    1/16" Flat 350 28 350 150-400 22-33
      Overhead 225 25 180 150-310 22-28
      Vertical up 225 24 180 150-280 22-27
    .052" Flat 300 27 440 100-330 19-31
      Overhead 200 25 245 150-310 21-28
      Vertical up 200 24 245 150-280 21-27
    .045" Flat 250 27 450 100-300 21-31
      Overhead 190 25 305 150-280 21-29
      Vertical up 190 24 305 100-230 21-28
    .035" Flat 200 29 600 100-250 21-31
      Overhead 160 25 410 100-175 21-27
      Vertical up 160 24 410 100-175 21-27

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