Production method of simple pickling wire rod for hoisting rod of washing machine
A technology of a washing machine hanger and a production method, applied in the field of metallurgy, can solve problems such as affecting the surface quality of the finished product, unclean descaling, etc., and achieve the effects of high practical promotion value, easy operation and reasonable cooling
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Embodiment 1
[0021] The specification of simple pickling wire rod for washing machine suspenders in this embodiment is φ8mm, and the chemical composition and mass percentage are shown in Table 1.
[0022]
[0023] The simple pickling wire rod production method for the suspension rod of the washing machine in this embodiment includes the steps of heating the steel billet, dephosphorizing, rolling, and cooling, and the specific process steps are as follows:
[0024] (1) Heating process: when the billet is heated, the temperature of the preheating section is 620°C, the temperature of the first section of the heating section is 950°C, the temperature of the second section is 1060°C, the temperature of the soaking section is 1080°C, the heating time is 125min, and the residual oxygen value is controlled at 3%;
[0025] (2) Phosphorus removal process: the surface of the billet is descaled after it is released from the furnace, and the high-pressure water pressure is 15MPa;
[0026] (3) Rollin...
Embodiment 2
[0032] The specification of the simple pickling wire rod used for the suspension rod of the washing machine in this embodiment is φ10mm, and the chemical composition and mass percentage are shown in Table 2:
[0033]
[0034] The simple pickling wire rod production method for the suspension rod of the washing machine in this embodiment includes the steps of heating the steel billet, dephosphorizing, rolling, and cooling, and the specific process steps are as follows:
[0035] (1) Heating process: when the billet is heated, the temperature of the preheating section is 500°C, the temperature of the first section of the heating section is 900°C, the temperature of the second section is 1030°C, the temperature of the soaking section is 1050°C, the heating time is 100min, and the residual oxygen value is controlled at 6%;
[0036] (2) Phosphorus removal process: the surface of the billet is descaled after it is released from the furnace, and the high pressure water pressure is 16...
Embodiment 3
[0042] In this embodiment, the simple pickling wire rod specification for the suspension rod of the washing machine is φ6.5mm, and the chemical composition and mass percentage are shown in Table 3:
[0043]
[0044] The simple pickling wire rod production method for the suspension rod of the washing machine in this embodiment includes the steps of heating the steel billet, dephosphorizing, rolling, and cooling, and the specific process steps are as follows:
[0045] (1) Heating process: when the billet is heated, the temperature of the preheating section is 750°C, the temperature of the first section of the heating section is 1030°C, the temperature of the second section is 1100°C, the temperature of the soaking section is 1100°C, the heating time is 160min, and the residual oxygen value is controlled at 4%;
[0046] (2) Phosphorus removal process: the surface of the billet is descaled after it is released from the furnace, and the high-pressure water pressure is 17MPa;
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