Specifications - Weld Process

SPECIFICATIONS - WELDING PARAMETERS

WELDING PROCESS

FLUX CORED ARC

GAS METAL ARC (MIG)⁽¹⁾

SHIELDED METAL ARC (STICK)

Material Thickness

3.7 mm to 4.2 mm

Electrode Type

Lincoln Electrical Co. Product #: NR-211 MP (Do Not Substitute)

AWS ER70S-3 (Do Not Substitute)

⁽²⁾ AWS E 7018

Electrodes Size Inches

.045 Tubular

.035 Solid

3/32"

Electrode Stick Out

3/8" - 1/2"

1/2" - 5/8"

N/A

Polarity

Electrode "-" Work Piece "+"

Electrode "+" Work Piece "-"

Shielding Gas

Self Shielded

75% Ar 25% CO2

Self Shielded

Gas Flow Rate

N/A

25 - 35 CFM

N/A

Wire Feed Speed (inches per minute)

110 - 130 Vertical Down 70 - 90 Flat & Overhead

245 - 250 Vertical Down 210 - 225 Flat & Overhead

N/A

Approximate Amperage

Vertical

110 - 130

175

85 (3/32" Diameter)

Flat & Overhead

70 - 90

155

90 (3/32" Diameter)

Voltage

15 - 18

19 - 20

N/A

Direction of Welding

Vertical

Vertical Down Hill (only)

Vertical - Up Hill (only)

Flat & Overhead

Flat - Push or Drag

Flat - Drag

⁽¹⁾

First choice - Gas Metal Arc Welding Process: Butt joints - apply two layers (passes) of weld metal. First pass should only fill approximately 1/2 the thickness. Vertical position welds - maintain electrode wire at leading edge of weld puddle while traveling down hill to produce maximum penetration into the sleeve. These techniques work for FCAW as well.

⁽²⁾	E7018 new electrodes may be exposed to the atmosphere for up to ten hours with no harmful effect. Reconditioning schedules should come from the manufacturer.