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  • How to extend the service life of rolls
    How to extend the service life of rolls
    2021-08-10

    There are four main forms of mill roll damage: roll body fracture, roll neck fracture, peeling and roll body cracking. Among them, roll peeling is the primary damage form and the main reason for roll damage and even early scrapping.    Mill Roll spalling not only causes difficulty in roll grinding o

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  • The stainless steel welded pipe roller mold
    The stainless steel welded pipe roller mold
    2021-08-04

    The stainless steel welded pipe mold is formed on a welded pipe forming machine by rolling a stainless steel plate through several molds and then welding. Due to the high strength of stainless steel, and its structure is a face-centered cubic lattice, it is easy to form work hardening, so that when

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  • The High Chromium Cast Iron Roll
    The High Chromium Cast Iron Roll
    2021-07-29

    The chemical composition of the high chromium cast iron roll is: 2.0% ~ 4.0%C, 10% ~ 30%Cr, 0.15% ~ 1.6%nI, 0.3% ~ 2.9%Mo. Its essence is a high-alloy white iron with high wear resistance. The chromium content is generally 10% ~ 15%. Its carbides are mainly M7C3 type, which is different from the con

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  • The development trend of welded pipe rolls
    The development trend of welded pipe rolls
    2021-07-27

    The development direction of cold rolls will be to further improve the strength, hardness and depth of the hardened layer, while ensuring a certain degree of toughness. Large-scale cold-rolling work rolls will generally be made of improved 5% Cr steel containing vanadium, milling, nickel and other e

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