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Wear resistance of die steels in blanking

  • Tool Steels and Alloys
  • Published:
Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    The wear resistance of steels for cold work dies increases with the amount of carbide phase up to \t}25% (the limit at which the malleability of the steel is retained). The carbide phase should consist of M7C3 and VC carbides.

  2. 2.

    Steel Kh12F4 and high-vanadium steels Kh3F12, Kh3F8, and KhG2F8 have the best wear resistance. However, steel Kh12F4 has a better combination of mechanical and technological properties (is ground more easily) and is recommended for manufacturing elements of blanking dies.

    Steels with a high vanadium content are recommended primarily for dies of simple shape that are not ground.

  3. 3.

    The heat treatment for steel Kh12F4M is quenching in oil from 1070\2-1090\dg and tempering at 170\2-190\dg to HRC 62\2-63 (for dies of simple shape) or at 200\2-230\dg to HRC 59\2-60 (for dies of complex shape).

  4. 4.

    It is not expedient to use graphitized steel for cold blanking dies.

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Literature cited

  1. F. P. Mikhalenko, "Wear of cutting edges in blanking-perforating of electric sheet," Kuznechno-Shtampovochnoe Proizvodstvo, 2, 20–23 (1966).

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  2. Yu. A. Geller, V. F. Moiseev, and A. O. Aranovich, "Wear resistance of die steels with a high vanadium content", Metal. i Term. Obrabotka Metal., 3, 15–19 (1971).

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  3. Yu. P. Davydov and G. P. Pokrovskii, Sheet Stamping of Alloy Steels and Alloys [in Russian], Oborongiz, Moscow (1962).

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  4. A. O. Aranovich et al., "Drawability of electric sheet," Tekhnologiya Élektrotekhnicheskogo Proizvodstva, 7 (1972).

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Authors
  1. Yu. A. Geller
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  2. A. O. Aranovich
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  3. V. F. Moiseev
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  4. S. S. Fedosienko
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  5. S. V. Bronin
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Additional information

Moscow Machine-Tool Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 11, pp. 30–34, November, 1973.

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Geller, Y.A., Aranovich, A.O., Moiseev, V.F. et al. Wear resistance of die steels in blanking. Met Sci Heat Treat 15, 955–958 (1973). https://doi.org/10.1007/BF00656678

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  • DOI: https://doi.org/10.1007/BF00656678

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