Wire rod for producting1770Mpa bridge cable galvanized steel wire and method for manufacturing same
A 1770mpa, galvanized steel wire technology, used in manufacturing tools, metal rolling, metal rolling, etc., can solve the problems of high silicon content, martensite in wire rods, high wire-controlled rolling and controlled cooling process control difficulties
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[0057] According to the contents of the chemical elements shown in Table 6, desulfurization of molten iron, converter, out-of-furnace refining, ingot pouring, followed by initial rolling soaking, billet opening, large shear head and tail, 6VH continuous rolling 142 2 , cutting to length by flying shears, mechanical cleaning of steel billets, heating in high-speed wire heating furnaces, controlled rolling on high-speed wires, controlled cooling on high-speed Steyrmo lines, wire rod surface inspection, sampling inspection, wire rod bundling, tagging, Storage, delivery. Subsequently, element content determination (see Table 8), steel billet center carbon and center carbon segregation determination (see Table 9), inclusion control measurement (see Table 10), sorbite content and decarburization layer depth control measurement (see Table 11 ).
[0058] Table 6 High carbon steel (0.87%) contains chemical elements (wt%)
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