
Seamless & ERW Pipes
Pressure and utility pipe manufactured without a seam or by electric-resistance welding, selected by grade, outside diameter and wall schedule.
- Indicative sizes
- NPS ½–24; ERW commonly to NPS 20, larger sizes by manufacturer
- Common applications
- HVAC water, fire-water where approved, compressed air, utilities and industrial process lines
- Specify
- ASTM/API grade, seamless or welded construction, schedule, ends, coating and test certificates

























