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  2. Hollow structural section - Wikipedia

    en.wikipedia.org/wiki/Hollow_structural_section

    In the recent past, HSS was commonly available in mild steel, such as A500 grade B. Today, HSS is commonly available in mild steel, A500 grade C. Other steel grades available for HSS are A847 (weathering steel), A1065 (large sections up to 50 inch sq made with SAW process), and recently approved A1085 (higher strength, tighter tolerances than ...

  3. EN 10025 - Wikipedia

    en.wikipedia.org/wiki/EN_10025

    EN 10025 - Hot rolled products of structural steels refers to a set of European standards which specify the technical delivery conditions for hot rolled products of structural steels.

  4. Steel grades - Wikipedia

    en.wikipedia.org/wiki/Steel_grades

    EN 10027-1 steel grade designation system. European standard steel grade names fall into two categories: [1] Steel specified by purpose of use and mechanical properties. Steel specified by chemical composition. The inclusion of a letter 'G' before the code indicates the steel is specified in the form of a casting.

  5. SAE steel grades - Wikipedia

    en.wikipedia.org/wiki/SAE_steel_grades

    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. These efforts were similar ...

  6. Sheet metal - Wikipedia

    en.wikipedia.org/wiki/Sheet_metal

    Microscopic close-up of mild steel sheet metal. Sheet metal is metal formed into thin, flat pieces, usually by an industrial process. Thicknesses can vary significantly; extremely thin sheets are considered foil or leaf, and pieces thicker than 6 mm (0.25 in) are considered plate, such as plate steel, a class of structural steel.

  7. List of EN standards - Wikipedia

    en.wikipedia.org/wiki/List_of_EN_standards

    EN 10220: Seamless and welded steel tubes — Dimensions and masses per unit length; EN 10240: Internal and/or external protective coating for steel tubes - specification for hot dip galvanized coatings applied in automatic plants; EN 10270-1: Steel wire for mechanical springs - Part 1: Patented cold drawn unalloyed spring steel wire

  8. List of DIN standards - Wikipedia

    en.wikipedia.org/wiki/List_of_DIN_standards

    This is an incomplete list of DIN standards. The "STATUS" column gives the latest known status of the standard . If a standard has been withdrawn and no replacement specification is listed, either the specification was withdrawn without replacement or a replacement specification could not be identified.

  9. Rolled homogeneous armour - Wikipedia

    en.wikipedia.org/wiki/Rolled_homogeneous_armour

    RHA is homogeneous because its structure and composition are uniform throughout its thickness. The opposite of homogeneous steel plate is cemented or face-hardened steel plate, where the face of the steel is composed differently from the substrate. The face of the steel, which starts as an RHA plate, is hardened by a heat-treatment process.