melt run
elongation
seam welding
copper inclusion
welding head
sealing run
carbon-arc cutting CAC
cellulosic electrode
solid state Iaser
actual throat thickness
welding
mill test certificate
tensile strength (Rt0.5, Rp0.2 or ReH)
shielded metal-arc welding SMAW
post weld heat treatment
dwell time
gas metal-arc welding GMAW
shielded carbon-arc welding SCAW
faying surface
welding procedure approval record, WPAR