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CLASSIFICATION: EC439Nb per AWS 5.22

A composite metal cored, stainless steel electrode, Select 18CrCb-C is intended for welding thin stock and sheet steel of similar ferritic stainless composition. Stabilization of the weld deposit is with columbium (niobium) and titanium.

APPLICATIONS: Select 18CrCb-C is an excellent choice to weld stainless steels of similar composition (18% Cr, 0.6% Cb) in the fabrication of automotive exhaust systems. Unlike solid wires, Select 18CrCb-C handles gaps and poor fit up quite effectively when welding components such as manifolds, mufflers, catalytic converters and tubing.

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

SHIELDING GAS: 98% Ar/2% O2, 35-50 cfh

WELDING POSITIONS: Flat and Horizontal

CHARACTERISTICS:

  • Handles gaps and poor fit up better than solid wire.
  • Smooth arc transfer with low spatter.
  • Excellent bead contour.

    TYPICAL DEPOSIT COMPOSITION
    Wt% C Mn Si Cr Cb (Nb) Ti
    98 Ar/2 O2
    .03 .66 .58 17.70 .56 .44

    SUGGESTED WELDING PARAMETERS:
      Operating Range Optimum
    Diam. Amps
    (DCEP)
    WFS
    (in/min)
    Volts ESO Amps WFS Volts
    .045" 190-330 240-600 22-28 1/2-1" 250 410 25-26
    .052" 220-460 220-620 23-30 1/2-1" 300 350 24-25
    1/16" 240-520 160-500 22-31 3/4-1 1/4" 350 300 26

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