UNSPSC 31121222: Ductile iron sand machined casting

Ductile iron object cast from sand molds that has been machined

UNSPSC 31121222 Ductile iron sand machined casting is a Commodity code under which state and local governments procure ductile iron pipe, fittings, spools, and related water distribution infrastructure components for municipal utilities. The code encompasses supply agreements for materials meeting ANSI/AWWA and ASTM standards, typically procured as indefinite delivery/indefinite quantity (ID/IQ) contracts or as-needed supply arrangements by water utilities, departments of water resources, and municipal finance departments to support ongoing operations and maintenance. Issuing bodies are primarily municipal water utilities and county water resource departments, with Dallas, Madison, Fort Worth, and Gwinnett County posting multiple solicitations in recent months. The kinds of work solicited range from large-diameter centrifugally cast ductile iron pipe (6 to 10 inches) with cement lining and tar coating, to smaller repair parts such as pipe nipples with polyethylene coating, flanged spools, and cast iron valve box components including bottoms, lids, extensions, and tops.

Recent activity concentrates in Texas and Georgia, with secondary activity in Wisconsin. The City of Dallas posted solicitation BG2600030409 in May 2026 seeking a five-year ID/IQ master agreement for ductile iron pipe with a June 12, 2026 bid deadline; the City of Madison issued RFQ 5508-0-2026-BG on March 3, 2026 for ductile iron pipe in three diameter sizes with a March 17 deadline and a local vendor preference; the City of Fort Worth released RFP 26-0068 in January 2026 for cast iron valve boxes and lids with a February 19 deadline and a 30 percent small business participation goal; and Gwinnett County, Georgia posted three separate informal written quotations in April and May 2026 (IWQ 128859 for ductile iron pipe nipples with PE coating, IWQ 130376 for ductile iron spools, and IWQ 131138 for ductile iron repair parts), all with short response windows of five to seven days. Gwinnett County enforces strict compliance with its ineligible source list policy across all solicitations, and Dallas references Business Enterprise Hub forms suggesting set-asides or incentives for designated vendor categories.