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  2. Ship prefix - Wikipedia

    en.wikipedia.org/wiki/Ship_prefix

    A ship prefix is a combination of letters, usually abbreviations, used in front of the name of a civilian or naval ship that has historically served numerous purposes, such as identifying the vessel's mode of propulsion, purpose, or ownership/nationality.

  3. High-speed steel - Wikipedia

    en.wikipedia.org/wiki/High-speed_steel

    High-speed steel (HSS or HS) is a subset of tool steels, commonly used as cutting tool material. It is superior to high-carbon steel tools in that it can withstand higher temperatures without losing its temper (hardness). This property allows HSS to cut faster than high carbon steel, hence the name high-speed steel.

  4. Hollow structural section - Wikipedia

    en.wikipedia.org/wiki/Hollow_structural_section

    HSS is only composed of structural steel per code. HSS is sometimes mistakenly referenced as hollow structural steel. Rectangular and square HSS are also commonly called tube steel or box section. Circular HSS are sometimes mistakenly called steel pipe, although true steel pipe is actually dimensioned and classed differently from HSS. (HSS ...

  5. Comparison of video container formats - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_video...

    PS, TS [I] 3GP, 3G2; MPEG-H HEVC (H.265) Lossy or lossless: June 2013 Patent encumbered [52] Yes [II] Yes Yes [55] Yes Yes Yes [56] Yes Yes MPEG-4 AVC (H.264) Lossy or lossless: August 2004 Patent encumbered [57] Yes Yes Yes Yes Yes [III] Yes Yes [58] Yes AV1: Lossy or lossless: March 2018 Patent claims Yes [59] [60] Yes No No No No Planned No ...

  6. Annular cutter - Wikipedia

    en.wikipedia.org/wiki/Annular_cutter

    A tungsten carbide tipped (TCT) and high-speed steel (HSS) annular cutter (also known as a "core drill" or "hole saw"). An annular cutter (also called a core drill, core cutter, broach cutter, trepanning drill, hole saw, or cup-type cutter) is a form of core drill used to create holes in metal.

  7. Structural steel - Wikipedia

    en.wikipedia.org/wiki/Structural_steel

    HSS-Shape (Hollow structural section also known as SHS (structural hollow section) and including square, rectangular, circular and elliptical cross sections) Angle (L-shaped cross-section) Structural channel, or {C-beam, or 'C' cross-section; Tee (T-shaped cross-section) Rail profile (asymmetrical Ɪ-beam) Railway rail; Vignoles rail; Flanged ...

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  9. HY-80 - Wikipedia

    en.wikipedia.org/wiki/HY-80

    Permit class USS Plunger on the building ways at Mare Island. HY-80 is a high-tensile, high yield strength, low alloy steel.It was developed for use in naval applications, specifically the development of pressure hulls for the US nuclear submarine program and is still currently used in many naval applications.