Steel wire rod with a length of greater than or equal to 500 mm used for long-fibered steel wools and production method thereof

The invention discloses a steel wire rod with a length of greater than or equal to 500 mm used for long-fibered steel wools, which comprises the following components in percentage by weight: 0.06-0.10% of C, 0.085-0.24% of Si, 0.85-1.20% of Mn, less than or equal to 0.020% of P, less than or equal to 0.020 % of S, less than or equal to 0.01% of O [T], and less than or equal to 0.005% of Als. The production method comprises the following steps: carrying out molten iron desulphurization and converter melting; conventionally carrying out ladle argon blowing and pre-deoxidation for slag making; carrying out refining in a LF furnace; carrying out continuous casting on the obtained objects so as to obtain blanks; conventionally heating the blanks and carrying out high-speed wire rod rolling; and carrying out conventional delayed cooling on the obtained product and collecting coils for standby. The length of fibers produced by using the method disclosed by the invention is not less than 500 mm, and thinner, the tensile strength of the steel wire rod is not more than 420 MPa, the percentage reduction of area is not less than 70%, and the steel wire rod is soft in handfeel, and no slag drops. The steel wire rod is applicable to the polishing of stone materials and ceramic tiles and the burnishing and cleaning of various high-grade furniture, and extremely easy to degrade; and because the main composition is iron, the steel wire rod after degraded does not pollute the environment.