API 5L HFW Line Pipe

A refined form of ERW pipe using high-frequency induction welding. Produces a narrower, more consistent heat-affected zone (HAZ) than traditional ERW. Increasingly preferred for upstream gathering lines.

• Specification Details
  • Standard API 5L (PSL1 & PSL2), ISO 3183
  • Grades Grade B, X42, X46, X52, X56, X60, X65, X70
  • OD Range 2-3/8″ to 24″
  • Wall Thickness Up to 20mm
  • Weld Seam High-frequency induction welded, normalized
  • Inspection Full-body UT for weld seam and HAZ, optional phased array
  • Advantage Tighter dimensional tolerance, cleaner weld profile vs. traditional ERW