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Vanadium Content in 4330V Steel

  1. Nov 13, 2015 #1
    Hi all,

    Hope I'm posting this in the right forum! I have some questions with regards to 4330V steel. This is a Vanadium-modified 4330 steel, with Vanadium contents ranging from 0.05 - 0.15%.

    I work for a company that builds tools for the mining industry, and our steel suppliers are divided on the issue of Vanadium content. Some say it should be near the 0.05% minimum, others say it should be at or near 0.15%.

    The problem is that nobody here understands the impact of Vanadium in this steel and how (if at all) it affects its properties.

    Any input?
     
  2. jcsd
  3. Nov 18, 2015 #2
    Thanks for the post! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post?
     
  4. Nov 19, 2015 #3

    Astronuc

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    Vanadium is a carbide and nitride former, so it strengthens steels by dispersion-strengthening. It also affects grain structure.

    It seems that a number of suppliers prefer a nominal content of about 0.07 or mid range of 0.05 to 0.10%. There could be synergistic effects with Cr and Mo contents.

    http://www.westyorkssteel.com/alloy-steel/oil-and-gas/aisi-4330v/
    http://www.westyorkssteel.com/files/aisi-4330v.pdf

    http://customer.cartech.com/assets/documents/datasheets/4330+V.pdf [Broken]
    http://www.encoremetals.com/docs/product_manual/Section%202.0%20Alloy%20Steels.pdf [Broken]

    It is also important to consider the heat treatment and hot/cold working which will affect the microstructure.

    Effects of V on steels:

    http://vanitec.org/wp-content/uploads/2011/09/Vanadium-in-Medium-and-High-Carbon-Steels.pdf [Broken]
    http://www.hsla-v.org/assets/documents/Effect_of_Vanadium.pdf
    http://www.kau.se/sites/default/files/Dokument/subpage/2010/02/21_269_287_pdf_18759.pdf [Broken]

    https://online.tugraz.at/tug_online/voe_main2.getvolltext?pCurrPk=32837
    http://www.archivesmse.org/vol33_2/3321.pdf [Broken]

    http://steel.keytometals.com/Articles/Art182.htm [Broken]
    http://steel.keytometals.com/Articles/Art85.htm [Broken]

    It's best to look at different sources.

    One might try to obtain some samples with one on the low end of the V range and one on the high end and compare tensile strength, hardness, and impact strength.
     
    Last edited by a moderator: May 7, 2017
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