Overlay -ARC (intermediate wearfacing)

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Buildup- ARC-(FeMn A-Class 3)

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Welding Materials Handbook

Overlay-ARC (wearfacing - high abrasion)

CHARACTERISTICS:

TYPE: OVERLAY - ARC (intermediate

At least two passes must be used to reduce the effects

wearfacing)

of dilution.

NSN: 9GD 3439-00-165-4182 (5/32X 14)

NOTE: For an electrode with all position

POSITION: Flat, vertical, and horizontal

characteristics, including overhead position, use

MARCOLOY #702.

POLARITY: DC Reverse

RECOMMENDED AMPERAGES:

3/16 -140 to 200

USES:

On hard overlays subject to abrasive wear and medium

impact. When overlaying cast iron, first apply two

passes of cast iron rod, NSN 9GD 3439-00-165-4188.

PROCEDURES:

Preheat to about 200- 300F on heavy sections.

Use weaving or stringer technique while holding a

short to medium arc. Do not allow excessive heat

buildup in the base metal.

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