Steel panels are made from standard low-carbon, cold-rolled steel complying with ASTM A 366, A 109 and QQS-698. Panels are stored completely clean and, in most cases, can be used right out of the box. A wide range of panel sizes and types are available and are typically in stock. Made from standard low-carbon, cold-rolled steel, they are clean, consistent, convenient and economical. Steel test substrates minimize metal variability as a source of bias in critical tests. Type AL are made from alloy 3003 H14, and are 0.64 mm (0.025 in) thick.
Most aluminum is given such a pretreatment prior to painting. Chromated Aluminum Panels (Type AL) are treated with a chromium conversion coating which improves paint adhesion and resistance to underfilm corrosion.Alloy 3003 H14 is now the most widely used general purpose aluminum alloy from coil stock. Bare Aluminum Panels (Type A) are our standard aluminum panels, made from alloy 3003 H14, and are 0.64 mm (0.025 in) thick.Aluminum panels can be used to replace steel for sales samples, color standards, mailing and even for weathering tests. Because they are lightweight and rust free, it is often more convenient to use aluminum panels in place of steel. Panels are stored completely clean, and in most cases can be used right out of the box. Made from high quality aluminum, they are clean, consistent, convenient, and economical. Aluminum test substrates minimize metal variability as a source of bias in critical tests.
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