
Scale Defect
Features of Scale Defect: It occurs more frequently on the bottom surface and the head and tail of the hot rolling, and the shape of
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Features of Scale Defect: It occurs more frequently on the bottom surface and the head and tail of the hot rolling, and the shape of

Features: Black, irregular oxides on the surface of the strip steel appear as black dots. Causes: due to rough hot-rolled surface, poor descaling, unclean pickling, and excessive

Features: During AP (H), the surface of the board bites into the iron oxide scale. Cause: Due to the rough surface of the billet, the

Features of Pickled: The acid solution erodes the metal surface and causes the surface to become rough and white or yellow. Cause: In AP (H),

Defect Library — Secondary Grade Stainless Steel Slit Defect: Causes, Classification, Impact & Buying Guide Defect Type: Slit (Edge Linear Defect) | Origin Process: Hot Rolling | Reading Time:
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