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127
BACK UP
In flash and upset welding, a locator used to transmit all or a portion of
the upsetting force to the workpieces.
BACK WELD
A weld deposited at the back of a single groove weld.
BACKHAND WELDING
A welding technique in which the flame is directed towards the
completed weld.
BACKING STRIP
A piece of material used to retain molten metal at the root of the weld
and/or increase the thermal capacity of the joint so as to prevent
excessive warping of the base metal.
BACKING WELD
A weld bead applied to the root of a single groove joint to assure
complete root penetration.
BACKSTEP
A sequence in which weld bead increments are deposited in a direction
opposite to the direction of progress.
BARE ELECTRODE
An arc welding electrode that has no coating other than that incidental
to the drawing of the wire.
BARE METAL-ARC WELDING
An arc welding process in which fusion is obtained by heating with an
unshielded arc between a bare or lightly coated electrode and the work.
Pressure is not used and filler metal is obtained from the electrode.
BASE METAL
The metal to be welded or cut. In alloys, it is the metal present in the
largest proportion.
BEAD WELD
A type of weld composed of one or more string or weave beads
deposited on an unbroken surface.
BEADING
See STRING BEAD WELDING and WEAVE BEAD.
BEVEL ANGLE
The angle formed between the prepared edge of a member and a plane
perpendicular to the surface of the member.
BLACKSMITH WELDING
See FORGE WELDING.
BLOCK BRAZING
A brazing process in which bonding is produced by the heat obtained
from heated blocks applied to the parts to be joined and by a
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