Select 910-B3 Close Window
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CLASSIFICATIONS: E91T1-B3C, E91T1-B3M per AWS A5.29, ASME SFA 5.29

Specifically designed for welding materials subjected to high temperature service, Select 910-B3 provides single and multiple pass, all position welding of certain chromium-molybdenum steels.

APPLICATIONS: Select 910-B3 is utilized for welding materials such as A387 Gr. 22 plate and A335 P22 pipe.

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

SHIELDING GAS: 100% CO2, 75% Ar/25%
CO2, 35-50 cfh

WELDING POSITIONS: All positions

CHARACTERISTICS:

  • 2 1/4% Cr/1% Mo weld metal deposit.
  • Increased deposition rates compared to covered and solid electrodes.
  • Greater tolerance of mill scale and rust.
  • Fast freezing slag which removes easily and cleanly.
  • Low spatter emission.

    TYPICAL MECHANICAL PROPERTIES
     
    SR 1 Hr at 1275° F
    CO2
    75% Ar/
    25%
    CO2
    Ultimate Tensile Strength (psi) 102,100 105,300
    Yield Strength (psi) 87,400 87,700
    Percent Elongation 18 19

    TYPICAL DEPOSIT COMPOSITION
    Wt% C Mn P S Si Cr Mo
    CO2
    .08 .51 .010 .010 .59 2.27 .99
    75 Ar/25 CO2
    .08 .54 .010 .010 .62 2.35 .98

    RECOMMENDED WELDING PARAMETERS
      Optimum Range
    Diam. Position Amps Volts WFS Amps Volts
    1/16" Flat 350 29 300 150-400 22-34
      Overhead 225 26 160 150-310 22-28
      Vertical up 225 25 160 150-280 22-27
    .052" Flat 300 28 360 100-330 19-32
      Overhead 225 26 245 150-310 21-28
      Vertical up 225 25 245 150-280 21-27
    .045" Flat 250 28 282 100-300 21-32
      Overhead 200 26 265 150-280 21-29
      Vertical up 200 25 265 100-230 21-28
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