Aluminum Association’s Task Group on Visual Quality Attributes of Aluminum Sheet and Plate. ALUMINUM ASSOCIATION SHEET AND PLATE DIVISION COMPANIES Alcan Inc. Alcoa, Inc. ARCO Aluminum Inc. Coastal Aluminum Rolling Mills, Inc. Corus Aluminium Rolled Products Jupiter Aluminum Corporation Kaiser Aluminum & Chemical Corporation Spectrulite ...
Undulation (wavy region) along the edge(s) of the metal. Also referred as Edge Buckle. Edge Strain or Edge Breaks Creases extending in from the edge of the temper rolled sheet. Elastic Limit Maximum stress that a material will stand before permanent deformation occurs.
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Edge Buckle - Similar to center buckle but occurring along one or both edges. Edge Buildup - A heavier coating (zinc, aluminum) concentration at the edge(s) rather than the center of the coil. Edge, Corrugated - Severe bending (like a washboard) along a coil/sheet edge caused by improper rolling practice. Usually will occur in a belled edge shape.
Sheet – A wide, but thin (down to .05″), flat rolled metal mass in widths typically provided in widths from 24″ to 80″. It can be sold either in cut-to-length pieces or rolled into large, heavy coils. Slit Edges – The edges of sheet or strip metal resulting from cutting to width by rotary slitters.
6061-T6 Aluminum Sheet - (ASTM B209, QQ-A-250/11) Offers a combination of increased strength, corrosion resistance, and machinability making it the most widely used aluminum grade. 6061 Aluminum Sheet is heat treatable, resists cracking due to stress, is easy to weld and machine, but limited on formability. 6061 Aluminum Sheet is ideal for ...
This leads to a defect called centre buckle. Edge defects are due to heavy reduction. Small thickness sheets are more sensitive to roll gap leading to greater defects. Thin strips are more likely to undergo waviness or buckling. During rolling, the steel sheet has a tendency to deform in lateral direction. Friction is high at the centre.
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This is article is part 1 of a four-part series covering flatness and stability in cut-to-length, slitting, and tension leveling operations. This article covers how flat rolled metal gets unflattened, including the 3 categories of defects, how defects are created at hot and cold mills, and how coil processors also create defects.
While metals producers have greatly improved the quality of their flat-rolled product, your customers have tightened their specifications. Quality is a moving target. What was good enough yesterday may not be good enough tomorrow. Many metal types and grades are available. There are more equipment ...
MD Building Products provides a full assortment of MD Building Products provides a full assortment of aluminum shapes and sheets for any project you may encounter. Easy to cut form and fabricate. Aluminum material will not rust or corrode.