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  2. Wrought iron - Wikipedia

    en.wikipedia.org/wiki/Wrought_iron

    Wrought iron is an iron alloy with a very low carbon content (less than 0.05%) in contrast to that of cast iron (2.1% to 4.5%). It is a semi-fused mass of iron with fibrous slag inclusions (up to 2% by weight), which give it a wood-like "grain" that is visible when it is etched, rusted, or bent to failure.

  3. Structural material - Wikipedia

    en.wikipedia.org/wiki/Structural_material

    A "cage" of reinforcing steel. Concrete is used extremely widely in building and civil engineering structures, due to its low cost, flexibility, durability, and high strength. It also has high resistance to fire. Concrete is a non-linear, non-elastic and brittle material. It is strong in compression and very weak in tension.

  4. Ferrous metallurgy - Wikipedia

    en.wikipedia.org/wiki/Ferrous_metallurgy

    Ferrous metallurgy is the metallurgy of iron and its alloys. The earliest surviving prehistoric iron artifacts, from the 4th millennium BC in Egypt, [1] were made from meteoritic iron-nickel. [2] It is not known when or where the smelting of iron from ores began, but by the end of the 2nd millennium BC iron was being produced from iron ores in ...

  5. Aluminium alloy - Wikipedia

    en.wikipedia.org/wiki/Aluminium_alloy

    Aluminium alloy. An aluminium alloy ( UK / IUPAC) or aluminum alloy ( NA; see spelling differences) is an alloy in which aluminium (Al) is the predominant metal. The typical alloying elements are copper, magnesium, manganese, silicon, tin, nickel and zinc. There are two principal classifications, namely casting alloys and wrought alloys, both ...

  6. Wrought - Wikipedia

    en.wikipedia.org/wiki/Wrought

    Wrought is the archaic form of "worked," the more commonly used past tense and past participle of work. Wrought may also refer to: Metalworking, the process of working with metals to create individual parts, assemblies, or large-scale structures. Wrought iron, iron with a very low carbon content that has been wrought (hammered) by hand.

  7. SAE steel grades - Wikipedia

    en.wikipedia.org/wiki/SAE_steel_grades

    Wrought iron The SAE steel grades system is a standard alloy numbering system (SAE J1086 – Numbering Metals and Alloys) for steel grades maintained by SAE International . In the 1930s and 1940s, the American Iron and Steel Institute (AISI) and SAE were both involved in efforts to standardize such a numbering system for steels.

  8. Puddling (metallurgy) - Wikipedia

    en.wikipedia.org/wiki/Puddling_(metallurgy)

    Puddling (metallurgy) Schematic drawing of a puddling furnace. Puddling is the process of converting pig iron to bar (wrought) iron in a coal fired reverberatory furnace. It was developed in England during the 1780s. The molten pig iron was stirred in a reverberatory furnace, in an oxidizing environment to burn the carbon, resulting in wrought ...

  9. Steel - Wikipedia

    en.wikipedia.org/wiki/Steel

    Wrought iron. Steel is an alloy of iron and carbon with improved strength and fracture resistance compared to other forms of iron. Because of its high tensile strength and low cost, steel is one of the most commonly manufactured materials in the world. Steel is used in buildings, as concrete reinforcing rods, in bridges, infrastructure, tools ...