B

=B - Welding Glossary=


 * Back Gouging ** - The removal of weld metal and base metal from the other side of a partially welded joint to assure complete penetration upon subsequent welding from that side.


 * Backhand Welding ** - A welding technique in which the welding torch or gun is directed opposite to the progress of welding. Sometimes referred to as the “pull gun technique” in GMAW and FCAW. See travel angle, word angle, and drag angle. backing. A material (base metal, weld metal, carbon, or granular material) placed at the root of a weld joint for the purpose of supporting molten weld metal.


 * Backing Pass ** - A pass made to deposit a backing weld.


 * Backing Ring ** - Backing in the form of a ring, generally used in the welding of piping.


 * Backing Strip ** - Backing in the form of a strip.


 * Backing Weld ** - Backing in the form of a weld.


 * Back-Step Sequence ** - A longitudinal sequence in, which the weld bead increments are deposited in the direction opposite to the progress of welding the joint. See block sequence, cascade sequence, continuous sequence, joint building sequence, and longitudinal sequence, back-step sequence, longitudinal sequence, etc.


 * Bare Metal Arc Welding (BMAW) ** - An arc welding process, which produces coalescence of metals by heating them with an electric arc between a bare or lightly coated metal electrode and the work. Neither shielding nor pressure is used and filler metal is obtained from the electrode. (This process is now obsolete in industrial applications).


 * Base Metal ** (material) - The metal (material) to be welded, brazed, soldered, or cut. See also substrate.


 * Base Metal Test Specimen ** - A test specimen composed wholly of base metal.

Bench Grinder The Bench Grinder is used for grinding the edges of flat metals, removing burrs from the ends tubing or rods, and minor shaping of some metal tools


 * Bender ** The UF-25H Universal Fabricator will make up to 180 degree bends in up to 1-1/4” schedule 40 pipe, up to 1-5/8” (outside diameter) 10 gauge round tubing, and up to 1-1/2” 10 gauge square tubing. It will also form a wide variety of sizes of flats, solid squares and rounds for all your metalworking projects.


 * BERYLLIUM - ** Beryllium is sometimes used as a alloying element with copper and other base metals. Acute exposure to high concentrations of beryllium can result in chemical pneumonia. Long-term exposure can result in shortness of breath, chronic cough, and significant weight loss, accompanied by fatigue and general weakness.


 * Bevel ** - An angular type of edge preparation.


 * Bevel Angle ** - The angle formed between the prepared edge of a member and a plane perpendicular to the surface of the member. Brazing - A process where metals are joined by using a filler metal that melts at a temperature above 450º C.


 * Blind Joint ** - A joint, no portion of which is visible.

Block Sequence - A combined longitudinal and buildup sequence for a continuous multiple pass weld in which separated lengths are completely or partially built up in cross section before intervening lengths are deposited. See also


 * Boxing ** - The continuation of a fillet weld around a corner of a member as an extension of the principal weld.


 * Burn Protection**


 * Burn-Thru ** - A term erroneously used to denote excessive melt-thru or a hole. See melt-thru.


 * Burn-Thru Weld ** - A term erroneously used to denote a seam weld or spot weld.


 * Buttering ** - A form of surfacing in which one or more layers of weld metal are deposited on the groove face of one member (for example, a high alloy weld deposit on steel base metal which is to be welded to a dissimilar base metal). The buttering provides a suitable transition weld deposit for subsequent completion of the butt weld.

Butt Joint (Butt Weld)-A joint (or weld) where the two pieces being connected come directly together in the same plane.
 * Butt joint ** - A joint between two members aligned approximately in the same plane.


 * Button ** - That part of a weld, including all or part of the nugget, which tears out in the destructive testing of spot, seam, or projection welded specimens.


 * Buzz Box ** - Another term for a general-purpose arc welder. The name is derived from the sound made when the welder is running.

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