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2023-03
Cast iron rolls in the carbon content of 2.5% -3.5% or so, according to the main material can be divided into ordinary cast iron rolls, high nickel-chromium infinite cold hardened composite cast iron rolls, high chromium composite cast iron rolls and alloy ductile iron rolls of four categories. Cast iron rolls in the common organization can be divided into matrix, carburite, graphite three categories, the matrix organization of the main clathrate, ferrite, pearlite, bainite and martensite, graphite in the cast iron in the form of general flake and spherical two kinds of
2023-03-01
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