About Metal Billets, Slabs and Blooms
Metal billets, metal slabs and metal blooms are large, massive blocks or rounds that are produced from a primary metal or during a recycling process. They are used as raw materials or feedstock in extrusion, forging, rolling, and other metal-processing operations. Metal billets are round, rectangular, or hexagonal ingots or cast, semi-finished stock with a cross-section that is suitable for secondary processing. Billets are sometimes called bar stock, and are sold as cut-lengths or coil. Metal slabs are flat, semi-finished, rolled ingots with a specific width and cross-dimensional section. They can be produced as ingots or through continuous-casting, a process that eliminates the need for primary mills and water-cooled moulds. Metal blooms are large, square sections that represent an intermediate step in the rolling process. Rolling passes metal billets, slabs and blooms between rolls that revolve at the same peripheral speed and in opposite directions.
Metal billets, metal slabs and metal blooms are made from ferrous metals such as carbon steels, alloy steels, stainless steels, cast iron, cast steel, and specialty or proprietary iron-based alloys. Carbon steel billets, carbon steel slabs, and carbon steel blooms contain carbon and small amounts of other alloying elements such as manganese or aluminum. Alloy steel billets, alloy steel slabs, and alloy steel blooms contain low to high levels of elements such as chromium, molybdenum, vanadium and nickel. Stainless steel billets, stainless steel slabs, and stainless steel blooms are highly corrosion-resistant and often contain chromium and/or nickel additions. There are three basic types of products: austenitic stainless steels, ferritic and martensitic stainless steels, and specialty stainless steels and iron superalloys. Metal billets, slabs and blooms that are made of cast iron are available in ductile iron, gray iron, or white cast-iron grades.
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Billets, Slabs and Blooms
Billets, slabs and blooms are massive, hot-rolled or forged blocks of metals or alloys. These forms can have semifinished square, rectangular slab, or round cross-sections. Producing billets or blooms...(read more)
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Billets, Slabs and Blooms
Billets, slabs and blooms are massive, hot-rolled or forged blocks of metals or alloys. These forms can have semi-finished square, rectangular slab, or round cross-sections. Producing billets or...(read more)
Engineering Web: Metal Billets Slabs and Blooms
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AISI 4047 Steel Forms: billets, blooms, slabs, hot rolled bars, and cold finished bars. |
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AP-42, CH 12.5: Iron And Steel Production been tapped, the molten metal is teemed (poured) into ingots which are later heated and formed into other shapes, such as blooms, billets, or slabs. |
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ASTM International - Standards Worldwide A17- Withdrawn 1945: Specification for Carbon-Steel and Alloy-Steel Blooms, Billets and Slabs and Forms See ASTM International Information |
