Profile: Flowline Alaska provides insulation. We also provide welding, insulation, HDPE pipe and corrosion coatings. Our welding processes include (SMAW) shielded metal arc welding, (FCAW) flux core arc welding, (GTAW) gas tungsten arc welding, (GMAW) gas metal arc welding, (SAW) submerged arc welding, (GMAW/STT) gas metal arc welding surface tension transfer and HDPE butt fusion. Our materials include carbon steel, stainless steel, galvanized steel, ductile iron, HDPE, PVC, ABS, copper piping and fittings. Our insulates include pipe fittings, fabricated spool pieces and pipeline anchors.