A welding test position designation for a circumferential fillet weld applied to a joint in pipe, with its axis approximately 45 degrees from horizontal, in which the weld is made in the flat welding position by rotating the pipe about its axis.

A welding test position designation for a linear fillet weld applied to a joint in which the weld is made in the flat welding position.

A welding test position designation for a circumferential groove weld applied to a joint in pipe, in which the weld is made in the flat welding position by rotating the pipe about its axis.

A welding test position designation for a linear groove weld applied to a joint in which the weld is made in the flat welding position.

A welding test position designation for a circumferential fillet weld applied to a joint in pipe, with its axis approximately vertical, in which the weld is made in the horizontal welding position.

A welding test position designation for a linear fillet weld applied to a joint in which the weld is made in the horizontal welding position.

A welding test position designation for a circumferential fillet weld applied to a joint in pipe, with its axis approximately horizontal, in which the weld is made in the horizontal welding position by rotating the pipe about its axis.

A welding test position designation for a circumferential groove weld applied to a joint in pipe, with its axis approximately vertical, in which the weld is made in the horizontal welding position.

A welding test position designation for a linear groove weld applied to a joint in which the weld is made in the horizontal welding position.

A welding test position designation for a linear fillet weld applied to a joint in which the weld is made in the vertical welding position.

A welding test position designation for a linear groove weld applied to a joint in which the weld is made in the vertical welding position.

A welding test position designation for a circumferential fillet weld applied to a joint in pipe, with its axis vertical, in which the weld is made in the vertical welding position.

A welding test position designation for a linear fillet weld applied to a joint in which the weld is made in the overhead welding position.

A welding test position designation for a linear groove weld applied to a joint in which the weld is made in the overhead welding position.

A welding test position designation for a circumferential fillet weld applied to a joint in pipe, with its axis approximately horizontal, in which the weld is made in the horizontal, vertical, and overhead welding positions. The pipe remains fixed until welding is complete.

A welding test position designation for a circumferential groove weld applied to a joint in a pipe with its axis horizontal, in which the weld is made in the flat, vertical, and overhead welding positions. The pipe remains fixed until welding is complete.

A welding test position designation for a circumferential fillet weld applied to a joint in pipe, with its axis approximately 45 degrees from horizontal, in which the weld is made in the flat, vertical, and overhead welding positions. The pipe remains fixed until welding is complete.

A welding test position designation for a circumferential groove weld applied to a joint in pipe, with its axis approximately 45 degrees from horizontal, in which the weld is made in the flat, vertical, and overhead welding positions. The pipe remains fixed until welding is complete.

A welding test position designation for a circumferential groove weld applied to a joint in pipe, with its axis approximately 45 degrees from horizontal, in which the weld is made in the flat, vertical, and overhead welding positions. A restriction ring is added, adjacent to the joint, to restrict access to the weld.

A soldering process variation during which surface wetting is enhanced by abrading the faying surfaces.

A method of cleaning or surface roughening by a forcibly projected stream of abrasive particles.

A filter lens designed to attenuate the effects of transmitted and reflected light.

The potential imparting velocity to the electrons.

A weld meeting the applicable requirements.

The intense white, feathery-edged portion adjacent to the cone of a carburizing oxyacetylene flame.

A solder wire or bar containing acid flux as a core.

A rosin-based flux containing an additive that increases wetting by the solder.

A flux formulated to produce a weld metal composition dependent on the welding parameters, especially arc voltage.

The shortest distance between the weld root and the face of a fillet weld.

Pertaining to process control that senses changes in conditions and directs the equipment to take appropriate action.

An operation with a control system sensing changes in conditions and automatically directing the equipment to take appropriate action.

A polymeric material having chemical and physical properties differing from those of the base materials, placed at their faying surfaces, to join the materials together as a result of the attractive forces of this polymeric material.

An attraction, generally physical in nature, between an adhesive and the base materials.

A joining process in which an adhesive, placed between faying surfaces, solidifies to produce an adhesive bond.

A granular flux produced by baking a pelletized mixture of powdered ingredients and bonding agents at a temperature sufficient to remove the water, followed by processing to produce the desired particle size.

An oxy-fuel gas welding process using an air-acetylene flame. The process is used without the application of pressure. (It is seldom used or obsolete.)

A nonstandard term for the nozzle of a flame spraying gun for wire or ceramic rod.

A carbon arc cutting process variation removing molten metal with a jet of air.

A device used to transfer current to a fixed cutting electrode, position the electrode, and direct the flow of air.

A thermal spraying process variation in which an air stream carries the powdered surfacing material through the gun and into the heat source.

Three or more discontinuities aligned approximately parallel to the weld axis, spaced sufficiently close together to be considered a single intermittent discontinuity.

A localized array of porosity oriented in a line.

A substance with metallic properties and composed of two or more chemical elements of which at least one is a metal.

A flux containing ingredients reacting with the filler metal to establish a desired alloy content in the weld metal.

Powder prepared from a homogeneous molten alloy or from the solidification product of such an alloy.

The angle between the bevel of a joint member and a plane perpendicular to the surface of the member.

A controlled electrical discharge between the electrode and the workpiece formed and sustained by the establishment of a gaseous conductive medium, called an arc plasma.

The deflection of an arc from its normal path due to magnetic forces.

A braze welding process variation using an electric arc as the heat source.

A nonstandard term for plenum chamber.

One who performs manual or semi-automatic arc cutting.

One who operates automatic, mechanized, or robotic thermal cutting equipment.

A device used to transfer current to a fixed cutting electrode, position the electrode, and direct the flow of air.

The axial force developed by arc plasma.

A nonstandard term when used for arc length.

A nonstandard term when used for orifice gas.

Thermal gouging using an arc cutting process variation to form a bevel or groove.

The distance from the tip of the welding electrode to the adjacent surface of the weld pool.

A nonstandard term for oxygen arc cutting.

A gas heated by an arc to at least a partially ionized condition, enabling it to conduct an electric current.

A seam weld made by an arc welding process.

The nugget width in the plane of the faying surfaces.

A spot weld made by an arc welding process.

The diameter of the nugget in the plane of the faying surfaces.

One who performs semi-automatic thermal spraying.

A thermal spraying process using an arc between two consumable electrodes of surfacing materials as a heat source and a compressed gas to atomize and propel the surfacing material to the substrate.

One who operates automatic, mechanized, or robotic thermal spraying equipment.

A discontinuity resulting from an arc, consisting of any localized remelted metal, heat-affected metal, or change in the surface profile of any metal object.

An arc welding process using an arc between a metal stud, or similar part, and the other workpiece. The process is used without filler metal, with or without shielding gas or flux, with or without partial shielding from a ceramic or graphite ferrule surrounding the stud, and with the application of pressure after the faying surfaces are sufficiently heated.

The time during which an arc is maintained in making an arc weld.

The electrical potential between the electrode and workpiece.

A group of welding processes producing coalescence of workpieces by melting them with an arc. The processes are used with or without the application of pressure and with or without filler metal.