Manual

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ProperinspectionofaCADWELD

connection

reliesonthejudgmentoftheeldpersonnel.Look

closelyatthesize,color,surfacenish,andporosity

of the connection.

Following the guidelines below will assist in

makingmeaningfulinspections.Photographsof

good, acceptable, and reject connections appear

on pages 14 – 17.

Size

1. Noportionoftheconductorwithintheconnes

of the weld should be exposed.

2. Maximum depression under the riser on

horizontal connections (after the slag has been

removed) should be no lower than the top of

the conductor.

 Alowllindicates:

(a) Not enough welding material was used.

(b) Excessive leakage of molten metal.

inside the mold.

(d) Movement of conductor.

3.Excessivelyhighll(tallriser)indicates:

(a) Too large welding material size was used

(connection is still acceptable).

(b) Apparent volume increase due to

contaminants in conductor or mold

  (see“Porosity”onpage12).

Unacceptable

Inspection of

CADWELD

Connections

General Indicators

Strands showing

(below weld level)