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  2. Steel grades - Wikipedia

    en.wikipedia.org/wiki/Steel_grades

    Followed by C, D or X and two numbers characterising steel T: Tinmill Products: Nominal Yield Case: M: Electrical Steel: Number = 100 × specific loss in W/kg Number = 100 × nom thick in mm Letter for type of product (A, K, P or S [3])

  3. gc (engineering) - Wikipedia

    en.wikipedia.org/wiki/Gc_(engineering)

    gc (engineering) g. c. (engineering) In engineering and physics, gc is a unit conversion factor used to convert mass to force or vice versa. [1] It is defined as. In unit systems where force is a derived unit, like in SI units, gc is equal to 1. In unit systems where force is a primary unit, like in imperial and US customary measurement systems ...

  4. List of DIN standards - Wikipedia

    en.wikipedia.org/wiki/List_of_DIN_standards

    Active. DIN 13-3. ISO general purpose metric screw threads – Part 3: Nominal sizes for 0,5 mm fine pitch threads; nominal diameter from 3,5 mm to 90 mm. Active. DIN 13-4. ISO general purpose metric screw threads – Part 4: Nominal sizes for 0,75 mm fine pitch threads; nominal diameter from 5 mm to 110 mm.

  5. ISO 3166-1 alpha-2 - Wikipedia

    en.wikipedia.org/wiki/ISO_3166-1_alpha-2

    Short name Long name Comment ISO 3166-2: Country subdivision code [1]: ISO 3901: International Standard Recording Code (ISRC) [2] ISO 4217: Currency code [3]: ISO 6166

  6. Tool steel 1.2344 - Wikipedia

    en.wikipedia.org/wiki/Tool_steel_1.2344

    Tool steel 1.2344 (also known as AISI H13 steel or just H13[ 1]) is a tool steel grade standardised for hot working. The main feature of this grade is the combination of alloyed elements of chromium, molybdenum and vanadium, Cr-Mo-V, which provides a high wear resistance to thermal shock. It is well known as for its great strength, and heat ...

  7. Centimetre–gram–second system of units - Wikipedia

    en.wikipedia.org/wiki/Centimetre–gram–second...

    The centimetre–gram–second system of units ( CGS or cgs) is a variant of the metric system based on the centimetre as the unit of length, the gram as the unit of mass, and the second as the unit of time. All CGS mechanical units are unambiguously derived from these three base units, but there are several different ways in which the CGS ...

  8. Gas chromatography - Wikipedia

    en.wikipedia.org/wiki/Gas_chromatography

    Gas chromatography is the process of separating compounds in a mixture by injecting a gaseous or liquid sample into a mobile phase, typically called the carrier gas, and passing the gas through a stationary phase. The mobile phase is usually an inert gas or an unreactive gas such as helium, argon, nitrogen or hydrogen. [ 1]

  9. DIN rail - Wikipedia

    en.wikipedia.org/wiki/DIN_rail

    A DIN rail is a metal rail of a standard type widely used for mounting circuit breakers and industrial control equipment inside equipment racks. These products are typically made from cold rolled carbon steel sheet with a zinc-plated or chromated bright surface finish. Although metallic, they are meant only for mechanical support and are not ...