15-5PH Stainless Steel Round Bar
15-5 PH stainless steel was designed to have greater toughness than 17-4 PH. The 15-5 alloy is martens tic in structure in the annealed condition and is further strengthened by a relatively low temperature heat treatment which precipitates a copper containing phase in the alloy. 15-5 is also referred to as XM-12 in some specifications.
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