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A slab is a length of metal that is rectangular in cross-section. The slab is created directly by continuous casting or indirectly by rolling an ingot on a slabbing mill. [1] Slabs are usually further processed via flat rolling, skelping, and pipe rolling. Common final products include sheet metal, plates, strip metal, pipes, and tubes. [3]
Semi-solid metal casting (SSM) is a near net shape variant of die casting. [1] The process is used today with non-ferrous metals, such as aluminium , copper , [ 2 ] and magnesium . It can work with higher temperature alloys that lack suitable die materials.
It's primarily used to produce a semi-finished products for further processing. [9]: 339 Molten metal is poured into an open-ended, water-cooled mold, which allows a 'skin' of solid metal to form over the still-liquid center, gradually solidifying the metal from the outside in. After solidification, the strand, as it is sometimes called, is ...
An ingot is a piece of relatively pure material, usually metal, that is cast into a shape suitable for further processing. [1] In steelmaking, it is the first step among semi-finished casting products. Ingots usually require a second procedure of shaping, such as cold/hot working, cutting, or milling to produce a useful final product.
From the ladle, the hot metal is transferred via a refractory shroud (pipe) to a holding bath called a tundish. The tundish allows a reservoir of metal to feed the casting machine while ladles are switched, thus acting as a buffer of hot metal, as well as smoothing out flow, regulating metal feed to the molds and cleaning the metal (see below).
Semi-finished casting products; Semi-solid metal casting; Semi-steel; Shell molding; John Webb Singer; Solidscape; Spin casting; Spray forming; Sprue (manufacturing)
Many surface defects can be scarfed off the surface of semi-finished rolled products before further rolling. Methods of scarfing have included hand-chipping with chisels (18th and 19th centuries); powered chipping and grinding with air chisels and grinders; burning with an oxy-fuel torch, whose gas pressure blows away the metal or slag melted ...
9630: Additive Metal Materials; 9640: Iron and Steel Primary and Semi-finished Products; 9650: Nonferrous Base Metal Refinery and Intermediate Forms; 9660: Precious Metals Primary Forms; 9670: Iron and Steel Scrap; 9680: Nonferrous Scrap
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