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One particularly frequent cause of damage is rust due to seawater, rain, condensation water in the means of transport, cargo sweat or condensation inside the packaging. The value of steel products is in particular reduced by the effects of corrosion and mechanical damage. Stainless steel sheet (high-grade sheet): steel sheet made from alloy and nonalloy steel of high purity which is consequently nonrusting or resistant to heat or chemicals Due to the toxicity of lead, such sheet cannot be used as a packaging material for food products
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Terne plate: steel sheet with a lead-tin coating. Their utility value is increased by subsequent galvanizationĮlectric steel sheet: thin steel sheet alloyed with silicon with special magnetic properties 600☌Ĭorrugated sheet: corrugated rectangular sheets produced by rolling. In order to improve the durability of the zinc coating, hot-dip galvanized sheets are reheated once more to approx. The coating increases the utility value of the sheet. Galvanized sheet: steel sheet with a zinc coating. Sheet with protective coatings, for example PVC or PE coated sheet or galvanized, tinned sheetĪ distinction is also drawn between the following types:īlack plate (black iron sheet): hot-rolled, nondescaled sheet for second grade applications placing no particular demands on surface quality sheet produced by bonding together two different metals Sheet made from nonferrous metals and their alloysīimetallic plated sheet, i.e. Cold-rolled steel is a more highly finished product and has a smoother surface, greater dimensional accuracy (thickness, width, length) and greater strength.ĭepending upon the material from which it is made, metal sheet is divided into the following groups: Hot-rolled sheet in sheets is produced from semifinished products (slabs or billets), which are reduced to certain thicknesses by rolling and annealing and cut mechanically or by burning into rectangular or also other shaped sheets.Ĭold-rolled sheet in sheets is produced by removing rust from hot-rolled sheet by „pickling“ it in a weak acid solution, then washing, brushing, drying, oiling and unrolling the sheet and finally performing cold-rolling by passing the sheet through a reducing mill and cutting into rectangular or also other shaped sheets. A distinction is drawn between hot- and cold-rolled sheet. Metal sheets in sheets are flat products with a rectangular cross-section, the width of which is much larger than the thickness. (* EU Combined Nomenclature/Harmonized System)