# Bi-2212 Superconducting Magnet Wire

Canonical: https://abierto.us/opportunities/bz202601

- Solicitation number: BZ-2026-01
- Notice type: Solicitation
- Status: Closed. Deadline was December 19, 2025 at 6:00 PM EST
- Department: Department of Energy
- Contracting office: Berkeley Natl Lab - DOE Contractor (899032)
- NAICS: 331491 Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
- Product or service code: 6145 Wire and Cable, Electrical
- Place of performance: Berkeley, California
- County: Alameda County (FIPS 06001). https://abierto.us/counties/alameda-county-ca-06001
- City: Berkeley. https://abierto.us/cities/berkeley-ca-0606000
- First posted: November 21, 2025
- Last posted: November 21, 2025
- SAM.gov: https://sam.gov/workspace/contract/opp/ccd7467a227f4e6a9f9908db56e2737a/view

## Description

Lawrence Berkeley National Laboratory requests a proposal for Bi-2212 superconducting magnet wire. LBNL intends to acquire two or three 10 kg billets of wire with the following specifications: • Bare wire diameter: 1.0 mm nominal, with an option of being further drawn to 0.8 mm • Powder: Bi-2212 “521” composition (reference: EngiMat powder LXB-52) • Outer sheath: Ag-Mg 0.2 wt% • Inner sheath: pure Ag • HTS fill factor: 23% ± 5% nominal • Stacking design configuration: 37 x 18 • No twisting • Intermediate annealing optional • Minimum piece-length > 50m Please see the attached RFP and supplemental documents for details.

## Publications

- November 21, 2025: Solicitation, due December 19, 2025 at 6:00 PM EST. Notice ccd7467a227f4e6a9f9908db56e2737a. https://sam.gov/workspace/contract/opp/ccd7467a227f4e6a9f9908db56e2737a/view

## Points of contact

- Brian Zatkow, bzatkow@lbl.gov, 510-495-2547

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/bz202601.