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Stainless Steel Combination screw Hexagon Head Cross Recessed Bolt Materials and Chemical compstition CHEMICAL COMPOSI(% ) Type C Si Mn P S Ni Cr Mo Cu Others ≤ ≤ ≤ ≤ ≤ ≥ ≥ ≥ ≈ 201Cu 0.08 1.00 7.5...