Effect of Hydrogen as fuel for continuous annealing of AISI 316L stainless steel—annealing and pickling testsEugenia Sainsus, Lorenza Catini, Niccolò Massarelli and Baldo GurreriMatériaux & Techniques, 114 3 (2026) 308DOI: https://doi.org/10.1051/mattech/2026017