UNSPSC 31311503: Hastalloy X welded or brazed pipe assemblies

UNSPSC 31311503 Hastalloy X welded or brazed pipe assemblies is a Commodity code covering specialized high-temperature pipe fabrication and component supply for industrial and infrastructure applications. State and local government procurement under this code spans range and ballistic testing facilities, water and sewer utility systems, drainage and environmental restoration projects, and natural gas pipeline distribution. Recent solicitations show issuing bodies range from university systems and municipal utility departments to county transportation and environmental agencies, with a mix of immediate fabrication and supply contracts and pre-solicitation information-gathering efforts. The scope encompasses materials supply, just-in-time inventory management and delivery, pipe replacement and rehabilitation in stormwater and outfall systems, and fabrication services for specialized applications including materials testing infrastructure.

Activity concentrates in Florida and Texas, with secondary solicitation volume in Georgia and California. Representative recent opportunities include Texas A&M University System's ITB for range pipe fabrication services for the Ballistic Aero-Optics and Materials Range Phase II expansion (bids due July 23, 2026), the City of Phoenix Public Works Department's IFB for industrial pipe, miscellaneous fittings, and equipment on an as-needed three-year supply contract (offers due August 12, 2026), the City of Lawrenceville's ITB for natural gas pipe and materials supply and just-in-time delivery coordination for DOT Project 13895 (bids due July 23, 2026), Orange County, Florida's sealed-bid procurement for sewer pipes and fittings with an estimated five-year spending total of approximately $28.7 million and a Service Disabled Veteran Business preference (response deadline extended to January 22, 2026), and the City of Palm Bay's ITB for I-95 Outfall Pipe Replacement with environmental permitting requirements under Florida Department of Environmental Protection authority (bids due July 14, 2026). The City of Palm Bay also issued an RFI on stormwater pipe rehabilitation and replacement along the Malabar Road corridor (response deadline June 9, 2026) as a pre-solicitation market-intelligence effort to inform future formal procurement strategy.