QPQ - QuidProQuo (this for that) is the network infrastructure to enable a digital universe . QPQ holds the keys to digitalisation and is developing the fundamental layers upon which new

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  • QPQ Liquid Nitriding | Thermex Metal Treating
    QPQ Liquid Nitriding | Thermex Metal Treating

    QPQ Liquid Nitriding (also known as salt bath nitriding) is a process for producing a thin, high-hardness case that is wear and corrosion resistant, with little or no distortion of the part during processing


    Why QPQ trading. 100% transparent, we process all your international payments free of charge and up to 75% cheaper than your bank provider on our payment platform. Our dealing desk is available to assist by telephone with setting up payments and executing transactions such as forward exchange contracts and (structured) option

  • QPQ Process | H&M Blacknitride+™
    QPQ Process | H&M Blacknitride+™

    QPQ Process | H&M Blacknitride+™. Our process. Done right. H&M Metal Processing is in full compliance with state and federal EPA standards and maintains FDA approvals: • NO cyanide is released into the environment during our metal treatments. • We ensure the integrity of all products according to the customer’s requirements and


    After QPQ treatment, the corro-sion resistance is much better than after hard chrome plating. After 16 hours the QPQ treated samples merely showed corrosive attack on about 10 % of the surface. For the total immersion test (DIN 50905/part 4) a solution of 3 % common salt and 1 % hydrogen peroxide (H 2O 2) is used as the corrosive medium

  • QPQ - Wikipedia
    QPQ - Wikipedia

    QPQ may refer to: Quid pro quo, Latin phrase meaning something for something. Quench polish quench (QPQ), a process for hardening steel. Topics referred to by the same term. This disambiguation page lists articles associated with the title QPQ. If an internal link led you here, you may wish to change the link to point directly to the intended


    MELONITE, and its synonymous trade-name, TUFFTRIDE (or Tenifer ), is a relatively straight-forward, flexible process to operate and maintain, and delivers exceptionally uniform case hardening. The MELONITE process begins with the placement of parts in a re-circulating air preheat furnace, followed by immersion for anywhere between 60-240 minutes in a molten nitrogen-rich salt solution

  • Salt Bath Nitriding (DHSN) - IBC Coatings
    Salt Bath Nitriding (DHSN) - IBC Coatings

    Salt Bath Nitriding/Nitrocarburizing was originally created as an alternative to gas nitriding that would produce a more uniform case through surface contact between the substrate and liquid salt

  • Frequenty Asked Questions: Nitride vs. Chrome Lined
    Frequenty Asked Questions: Nitride vs. Chrome Lined

    Feb 06, 2017 Nitride is significantly less expensive and less time-consuming for making barrels. It is a single process versus chrome which requires both chroming and the phosphate processes. Is Nitride the same as Melonite, Isonite, Fenocite, QPQ? Faxon typically uses the terms “nitride” and “QPQ” to refer to how our barrels are processed

  • 11.5" Gunner, 5.56 NATO, Mid-Length, 4150 QPQ - Faxon
    11.5" Gunner, 5.56 NATO, Mid-Length, 4150 QPQ - Faxon

    11.5 Gunner, 5.56 NATO, Mid-Length, 4150 QPQ Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Required

  • Black Nitride, Melonite, SBN and QPQ - FREE Ballistic
    Black Nitride, Melonite, SBN and QPQ - FREE Ballistic

    Black Nitride, Melonite, SBN and QPQ. Black Nitride goes by a few names, Ferritic Nitrocarburizing, Melonite, SBN salt bath nitriding , QCP and Tenifer, that are all names for the same thing, the only difference would be Tenifer, this process is used in Europe with a different cyanide formulation bath EPA wont allow that in the US

  • Nitriding | Progressive Metal Service
    Nitriding | Progressive Metal Service

    The Kolene QPQ Process significantly enhances the corrosion protection of cast iron and steel components and thus provides a more effective and environmentally acceptable alternative to deposition coatings, e.g. chrome and nickel plating. Furthermore, this process used in conjunction with carbon steels has proven itself as a viable replacement

  • Everything You Need To Know About QPQ Coating
    Everything You Need To Know About QPQ Coating

    Aug 09, 2020 The QPQ coating offers several benefits. First of all, it improves the properties mentioned above. Also, for many industries and applications, it is essential to increase corrosion resistance. So, quench polish quench becomes a very helpful treatment for them. Some of the most relevant advantages of applying QPQ treatment include: Improved

  • SBN/QPQ | Houston Plating & Coatings
    SBN/QPQ | Houston Plating & Coatings

    SBN/QPQ SM is a diffusion process that provides distortion-free dimensional stability while hardening the surface of the part (up to three times the strength of carbon steel) thereby producing superior wear resistance, improved fatigue strength, and surface lubricity. Unlike a plating or a coating,SBN/QPQ SM adds virtually no dimensions to the part and there is nothing to chip or flake off

  • Melonite - QPQ (DHQN) - IBC Coatings
    Melonite - QPQ (DHQN) - IBC Coatings

    Melonite – QPQ Thermochemical Quench-Polish-Quench (DHQN). IBC Coatings Technologies uses a thermochemical quench-polish-quench (QPQ see registered trademarks disclaimer at the bottom of the page) nitriding process equivalent to Melonite to harden, strengthen, and improve the corrosion resistance of metal components and equipment. Unlike some other finishes and treatments

  • QPQ Process
    QPQ Process

    The QPQ process is Kolene's name for their SBN variant (they quench-polish-quench to give better surface properties). So I don't think that there is a Melonite QPQ. (See below) However, your best bet is to go right to the horses's mouth, at Kolene. Good luck!

  • QPQ treatment
    QPQ treatment

    QPQ is an abbreviation of quench-polish-quench. Refers to the black metal parts into two different properties of the salt bath, through a variety of elements into the metal surface to form a composite infiltration layer, so as to achieve the purpose of parts surface modification

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