Bi-2212 Superconducting Magnet Wire BZ-2026-01
Summary
AI-generated · Nov 22, 2025Two or three billets of Bi-2212 superconducting magnet wire, each around 10 kg, are being sought. Specifications require bare wire diameter nominally 1.0 mm with an option to draw to 0.8 mm; Bi-2212 521 composition powder (EngiMat powder LXB-52); outer sheath of Ag-Mg 0.2 wt% and inner sheath of pure Ag; HTS fill factor of 23% 5% nominal; stacking design configuration of 37 × 18; no twisting; intermediate annealing optional; and minimum piece-length greater than 50 meters.
Refer to the attached RFP and supplemental documents for full details.
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.
From Solicitation posted on Nov 21, 2025Notice history
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USA