ASME WPQ - Process

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Last updated: Aug 02, 2024 by Tiradej Bunyarattaphantu

This section will appear as 2 sections typically. One for Actual Values and one for Range Qualified.

Automatic Welding Variables

There are typically no variable for a Weld Operator for Automatic welding.

Machine Welding Variables (QW-360)

Direct/remote visual control: Select the type of control used.

Automatic voltage control: Indicate whether or not auto control was used.

Automatic joint tracking: Select either manual or automatic tracking.

Welding Position: The relationship between the weld pool, joint, joint members, and weld heat source during welding. Select the position used when qualifying the weld.

Consumable insert: The filler metal that is placed at the joint root before welding with the purpose of becoming completely fused into the root so it is part of the weld. If a consumable insert was used, describe it here. This field only applies to GTAW and PAW groove and fillet welds.

Backing: Indicate whether backing was used.

Single/multiple pass per side: For groove and fillet welds, select single pass, multiple pass, or a combination of the two.

Welding Variables

Backing: Indicate whether backing was used.

AWS classified filler metal: Select this box to indicate that the material used has been classified by AWS.

Filler metal classification: This is an informational field; it is not required and has no standard corresponding range qualified. A value may be entered to restrict a welder to a specific range. Selecting a filler metal from the Filler Metal Browser will automatically complete this field and the "Filler metal F number" field.

Filler metal specification: Enter the filler metal used for the weld test.

Filler metal F number: Enter the F-Number of this filler metal. This field will be automatically completed if a filler metal is selected from the Filler Metal Browser.

Filler metal product form: Describe the product form of this filler metal. This only applies to GMAW/FCAW, GTAW, and PAW processes.

Consumable insert: The filler metal that is placed at the joint root before welding with the purpose of becoming completely fused into the root so it is part of the weld. If a consumable insert was used, describe it here. This field only applies to GTAW and PAW groove and fillet welds.

Weld deposit thickness: Enter the deposited weld metal thickness.

Number of Layers > 2: Check this box if more than 2 layers were used. This option is the adjustment needed to take a WPQ from 2T to Unlimited.

Backing gas: Specify whether or not backing gas was used in the test.

Welding Position: The relationship between the weld pool, joint, joint members, and weld heat source during welding. Select the position used when qualifying the weld.

Weld Progression: For vertical welds, select the direction the welding was performed.

Welding Current/polarity: Current may be alternating or direct (AC/DC), while the polarity may be straight (electrode negative) or reverse (electrode positive).

GMAW/FCAW Transfer mode: For GMAW/FCAW processes, select the transfer mode.

Amperage: The amperage used for the test.

Preplaced filler metal used: For tube-to-tubesheet welds, indicate whether or not preplaced filler metal was used. 

STUD Welding Variables

Welding Position: The relationship between the weld pool, joint, joint members, and weld heat source during welding. Select the position used when qualifying the weld.