Visual Quality Characteristics of Aluminum Sheet and Plate

      Pitting Corrosion, also known as pitting corrosion, is a localized form of corrosion that produces pinpoint, point, and hole shapes on the … Read More

1. Through pores Poor casting quality. 2. The surface bubble ingot has high hydrogen content and loose structure; the uneven surface of the ingot has … Read More

11. In the process of metal pressing and heating, the metal scraps fall on the strip and are formed after rolling; during hot rolling, the … Read More

INCLUSION, STRINGER— In the process of metal pressing and heating, the metal scraps fall on the strip and are formed after rolling; during hot rolling, … Read More

DENT— Dimples (Bumps) Plates or reels are collided during handling or parking; the clamps are not played well during cold rolling or annealing, and the … Read More

BLISTER, BOND— A raised spot on only one surface of the metal whose origin is between the cladding and core in clad products. Bond blisters … Read More

BOW, LONGITUDINAL— Curvature in the plane of sheet or plate in the rolling direction. Usually caused by unbalanced stresses between the top and bottom surfaces … Read More