Domestic Welded Steel Pipe

Our broad product range, coupled with our strong commitment to inventory, allows us to offer Industry leading fill rates.

We carry the most sizes and types of Domestic CW product, stocked with anti-microbial coating for UL/FM approved products. CW’s uniform grain pattern and smooth surface cause less wear and tear on threading tools an dies. Our pipe is stored indoors at our 14 distribution centers across the U.S. and are fully covered during delivery.

We have strong relationships with multiple domestic steel pipe mills that go back 40+ years as the leading master distributor of steel pipe. This enables us to stock the best quality and broadest range of domestic steel pipe products for use in Plumbing & Heating, PVF, HVAC, Fire Sprinkler and other applications.

  • Continuous Weld (CW)
    • SureThread Continuous Weld (CW) from Wheatland Tube
    • Schedule (SCH) – SCH40, SCH80
    • Sizes – 1/8″ though 4″ NPS (Nominal Pipe Size)
    • Lengths – 10′ and 21′
    • End Finish – Plain End (PE), Threaded & Coupled (T&C), Threaded Both Ends (TBE)
    • Coating – Black and Hot-Dip Galvanized
    • Specs – ASTM A53, Type F, Grade A
  • Electric Resistance Weld (ERW)
    • Schedule (SCH) – SCH10, SCH40
    • Sizes – 1-1/4″ through 8″ NPS (Nominal Pipe Size)
    • Lengths – 10’6″ and 21′
    • End Finish – Plain End (PE), Roll Grooved
    • Coating – Black and Hot-Dip Galvanized
    • Specs – ASTM A53, Type E, Grade B and ASTM A135, Type E, Grade A

Talk With Us! Call: 800-777-7473

Sharpen Your Competitive Edge With Merfish United

  • Become more competitive and manage your risk on volatile commodity products while turning inventory more quickly.
  • Break bundles and take advantage of low weight minimums while mixing and matching products, including copper tube, PVC pipes, threaded rod, strut and all other products we carry.
  • Buy what you need, when you need it.
  • Take advantage of routine ‘milk run’ delivery routes for service once or twice per week.

Talk With Us! Call: 800-777-7473

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We Deliver On Our Promise

  • Reliable, On-time delivery dates.
  • Knowledgeable service staff pick orders accurately at the warehouse.
  • Reliable delivery made with our own fleet of flatbed trucks.
  • Unique in the Industry - We’ll help you unload at delivery locations including jobsites!
  • As you need, we allow will-calls at all warehouse locations 5 days per week!
  • MTR’s available on all steel pipe.