UNSPSC 31311405: Low alloy steel ultra violet welded pipe assemblies

UNSPSC 31311405 Low alloy steel ultra violet welded pipe assemblies is a Commodity code that does not align meaningfully with the recent state and local procurement activity returned under this classification. The code describes specialized welded steel pipe assemblies, yet the posted opportunities span general steel materials procurement, industrial and stormwater piping, welding and fabrication services, water system improvements, and bridge and outfall replacement work—none of which specifically reference low-alloy ultraviolet-welded assemblies as a defined line item or deliverable.

State and local demand across the related solicitations reflects water utilities, wastewater agencies, and transportation departments purchasing or contracting for installation and repair work on concrete, PVC, HDPE, corrugated metal, ductile iron, and natural gas piping systems, as well as general structural steel and welding services. The City of Phoenix Public Works Department (IFB 26-SW-0379, August 12, 2026) sought HDPE and PVC pipe with fittings on an as-needed supply contract; Broward County (RFP OPN2131884B2, July 1, 2026) contracted for open-end welding and fabrication services at water treatment plants and pump stations; Orange County, Florida (IFB Y26-126, January 22, 2026) procured sewer pipes, fittings, and valves with an estimated five-year spend of approximately $28.7 million; and Gwinnett County (ITB BL079-26, May 19, 2026) bid stormwater pipe in reinforced concrete, HDPE, and corrugated metal. The State of California (RFB RFBIS27200030, July 29, 2026) posted a general steel materials RFB with technical specifications in attached documents. Geographic activity spans California, Arizona, Florida, Georgia, and Wisconsin, with frequent participation from county utilities, municipalities, and water authorities.