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  2. I-beam - Wikipedia

    en.wikipedia.org/wiki/I-beam

    I-beams are still available in US sizes from many Canadian manufacturers. In Mexico, steel I-beams are called IR and commonly specified using the depth and weight of the beam in metric terms. For example, a "IR250x33" beam is approximately 250 mm (9.8 in) in depth (height of the I-beam from the outer face of one flange to the outer face of the ...

  3. Rail profile - Wikipedia

    en.wikipedia.org/wiki/Rail_profile

    Height of rail equaled width of foot for each ASCE tee-rail weight; and the profiles specified fixed proportion of weight in head, web and foot of 42%, 21% and 37%, respectively. ASCE 90 lb/yd (44.6 kg/m) profile was adequate; but heavier weights were less satisfactory.

  4. ASTM A992 - Wikipedia

    en.wikipedia.org/wiki/ASTM_A992

    ASTM A992 is currently the most available steel type for structural wide-flange beams. The industry's technical institute describes the standard thus: "ASTM A992 (Fy = 50 ksi, Fu = 65 ksi) is the preferred material specification for wide-flange shapes, having replaced ASTM A36 and A572 grade 50.

  5. Ship measurements - Wikipedia

    en.wikipedia.org/wiki/Ship_measurements

    Lightweight displacement – LWD – The weight or mass of the ship excluding cargo, fuel, ballast, stores, passengers, and crew, but with water in the boilers to steaming level. Loadline displacement – The weight or mass of the ship loaded to the load line or plimsoll mark. Deadweight tonnage (DWT) is a measure of how much weight a ship can ...

  6. I-joist - Wikipedia

    en.wikipedia.org/wiki/I-joist

    Sizes vary according to the I-joist's intended load and span. Depths can range from 9 + 1 ⁄ 4 to 24 inches (230–610 mm) and reach up to 80 feet (24 m) in length, although 40 to 42 feet (12–13 m) is more common. The intended use for an I-joist is for floor and roof joists, wall studs, and roof rafters in both residential and commercial ...

  7. Czech hedgehog - Wikipedia

    en.wikipedia.org/wiki/Czech_hedgehog

    Industrially manufactured Czech hedgehogs were made of three pieces of metal angle (L 140/140/13 mm, length 1.8 metres (6 ft), weight 198 kilograms (440 lb); later versions: length 2.1 metres (7 ft), weight 240 kilograms (530 lb) joined by gusset plates, rivets and bolts, or welded together into a characteristic spatial three-armed cross with ...

  8. Section beam - Wikipedia

    en.wikipedia.org/wiki/Section_beam

    Section Beams are made of steel and they have a specific lengths and shapes like Ɪ-beam, 'L', C-channel and I flanged beam.

  9. Specific modulus - Wikipedia

    en.wikipedia.org/wiki/Specific_modulus

    Consider a beam whose cross-sectional area increases in one dimension, e.g. a thin-walled round beam or a rectangular beam whose height but not width is varied. By combining the area and density formulas, we can see that the radius or height of this beam will vary with approximately the inverse of the density for a given mass.

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    related to: i beam sizes in mm height and weight specifications