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Construction Steel Bar Profiles . 316 Stainless Steel Flat Bar 17-4PH Grade Steel Bar ProfilesGrades: 1.4542, X5CrNiCuNb14-5 630,17-4ph Grade C Mn P S Si Cr Mo Ni Cu Nb 17-4PH ≤0.07 ≤1.50 ≤0.040 ≤0.03 ...