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Hot Rolled NM360 s 450 550 500 600 Wear Resistant Steel Steel Grade GB: Q195, Q215, Q235A, Q235B, Q235C, Q235D, Q255A, 255B, Q275, Q295A Q345B,Q345C,Q345D,Q345E,Q390A,Q390B,Q390C,Q390D,Q390E,Q420, EN: ...