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  2. Hardness comparison - Wikipedia

    en.wikipedia.org/wiki/Hardness_comparison

    Download as PDF; Printable version; In other projects ... 118: 709 461: 502: 48: 117: 699 451: 489: 47: 117: ... "Standard Hardness Conversion Tables for Metals ...

  3. Steel grades - Wikipedia

    en.wikipedia.org/wiki/Steel_grades

    The next set of 3 digits gives the steel's minimum yield strength. So S355 has a minimum yield strength of 355 MPa for the smallest thickness range covered by the relevant standard – i.e. EN10025. [2] Below is a table indicating the most common application codes.

  4. Military 12-gauge cartridges - Wikipedia

    en.wikipedia.org/wiki/Military_12-gauge_cartridges

    Plastic cases loaded with small steel darts called "flechettes" were issued on a limited trial basis during the Vietnam war. Cartridges manufactured by Western Cartridge Company contained twenty flechettes 18.5 millimetres (0.73 in) long and weighing 7.3 grains (0.47 g) each.

  5. Gauge (firearms) - Wikipedia

    en.wikipedia.org/wiki/Gauge_(firearms)

    Gauge was determined from the weight of a solid sphere of lead that will fit the bore of the firearm and is expressed as the multiplicative inverse of the sphere's weight as a fraction of a pound, e.g., a one-twelfth pound lead ball fits a 12-gauge bore. Therefore with a 12-gauge, it would take 12 balls of lead of the same size as the 12 gauge ...

  6. List of gauge conversions - Wikipedia

    en.wikipedia.org/wiki/List_of_gauge_conversions

    The Mount Gambier line in South Australia was fitted with some 3-gauge steel sleepers when it was "temporarily" converted, [ambiguous] pending later proposed conversion to 1,435 mm (4 ft 8 + 1 ⁄ 2 in) (which did not occur, the line being abandoned instead). [citation needed] 1,600 mm (5 ft 3 in) 1,067 mm (3 ft 6 in) 1927 Australia

  7. List of rail transport modelling scale standards - Wikipedia

    en.wikipedia.org/wiki/List_of_rail_transport...

    This gauge is represented by the EM Society (in full, Eighteen Millimetre Society). 00 track (16.5 mm) is the wrong gauge for 1:76 scale, but use of an 18.2 mm (0.717 in) gauge track is accepted as the most popular compromise towards scale dimensions without having to make significant modifications to ready-to-run models. Has a track gauge ...

  8. Birmingham gauge - Wikipedia

    en.wikipedia.org/wiki/Birmingham_gauge

    The Birmingham gauge ranges from 5/0 or 00000, the lowest gauge number corresponding to the largest size of 0.500 inches (12.7 mm), to 36, the highest gauge number corresponding to the smallest size of 0.004 inches (0.10 mm). The increments between gauge sizes are not linear and vary. [2]

  9. ABS Steels - Wikipedia

    en.wikipedia.org/wiki/ABS_Steels

    Higher-strength ABS shipbuilding steel comes in six grades of two strengths, AH32, DH32, EH32, AH36, DH36, and EH36. [ 3 ] The 32 grades have yield strength of 45,500 psi (315 MPa), and ultimate tensile strength of 64,000 - 85,000 psi (440-590 MPa).