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High-purity thulium ingots are produced using vacuum induction melting (VIM) or electron beam melting (EBM). Each batch undergoes rigorous testing using GDMS, ICP-MS, and ONH analyzers to confirm purity, chemical composition, and trace impurity levels before further processing.
The ingots are forged, rolled, and machined into rod stock. When wire is required, the rods are drawn through a multi-pass wire drawing process to achieve the specified diameter with tight tolerances.
Rods are carefully heated and cooled to remove internal stress and improve workability. For wire production, annealing between drawing passes restores ductility and ensures consistent mechanical properties.
Surfaces are polished to a bright, oxide-free finish. Optional precision machining and grinding available for tight tolerances.
Each batch is inspected for dimensional accuracy, surface quality, and edge smoothness. Approved material is ultrasonically cleaned to remove dust, oils, and other contaminants.
Material is vacuum-sealed in moisture-proof bags and packed in shock-resistant cartons. Each shipment includes a Certificate of Analysis (COA), packing list, and other required documents.
