Medium carbon steel wire rod with high strength and high plasticity and production method thereof
A production method and high plasticity technology, applied in the field of wire rod production, to achieve the effect of reducing fluctuation, increasing strength and improving performance
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[0034] Example 1
[0035] The specification of the medium carbon steel wire rod with high strength and high plasticity in this embodiment is Φ5.5mm, and its chemical composition and mass percentage are shown in Table 1.
[0036] The production method of medium carbon steel wire rod with high strength and high plasticity in this embodiment includes smelting, billet heating, wire rod rolling and wire rod cooling. The specific process steps are as follows:
[0037] (1) Smelting process: The smelting process includes molten iron desulfurization treatment, top and bottom combined blowing converter smelting, LF+RH dual refining, the chemical composition of the molten steel and its mass percentage are shown in Table 1; the molten steel is continuously cast into billets after smelting;
[0038] (2) Billet heating process: The billet heating process includes continuous casting billet heating and hot rolling billet heating. The heating furnace temperature is 1180℃; the total heating time of cont...
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[0109] Table 2 Example 1-8 and Comparative Example 1 Wire rod organization and performance
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[0042] Example 2
[0043] The specification of the medium carbon steel wire rod with high strength and high plasticity in this embodiment is Φ10mm, and its chemical composition and mass percentage are shown in Table 1.
[0044] The production method of medium carbon steel wire rod with high strength and high plasticity in this embodiment includes smelting, billet heating, wire rod rolling and wire rod cooling. The specific process steps are as follows:
[0045] (1) Smelting process: The smelting process includes molten iron desulfurization treatment, top and bottom combined blowing converter smelting, LF+RH dual refining, the chemical composition of the molten steel and its mass percentage are shown in Table 1; the molten steel is continuously cast into billets after smelting;
[0046] (2) Billet heating process: The billet heating process includes continuous casting billet heating and hot rolling billet heating. The heating furnace temperature is 1184°C; the total heating time of the ...
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