【SMM Stainless Steel Update】According to China’s National Intellectual Property Administration, Shanxi Taigang Stainless Steel has applied for a patent titled “Method to Reduce Annealing Marks in Ferritic Stainless Steel in Bell Furnaces” (Publication No. CN120505502A, filed July 2025). The method optimizes protective gas ratios (H₂:N₂:Ar=1-5%:45-55%:40-50%), coil shape, and annealing parameters, effectively reducing edge annealing marks, lowering process costs, and improving production efficiency.
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