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High-performance steel wire production method
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A production method and high-performance technology, applied in the direction of quenching agent, heat treatment equipment, manufacturing tools, etc., can solve the problems of lead dust and lead fume human injury, and achieve the effect of improving comprehensive mechanical properties
Pending Publication Date: 2018-07-20
张家港市瑞特金属材料有限公司
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[0004] The current conventional quenching method is lead bath quenching, but the lead dust and lead smoke generated during the heat treatment of lead quenching will cause great harm to the human body
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Embodiment 1
[0028] A production method of high-performance steel wire, comprising the following steps:
[0029] (1) Carry out steam quenching treatment to the carbon wire rod steel that diameter is 6.5mm, described steam quenching treatment step is:
[0030] First heat the wire rod steel to 880°C and keep it warm for 1.5 hours, then spray wet steam on the wire rod steel, the wet steam is preferably unsaturated steam containing water mist, the steam temperature is 90°C, and the pressure is 0.1Mpa The temperature is quickly dropped to 550°C, kept for 20 minutes, and finally the wire rod steel is cooled to room temperature with the air;
[0033] (4) Normalizing treatment, heat the semi-finished product after preliminary drawing to 780°C, keep it warm for 20 minutes, and cool it to room temperature with air. ;
[0034] (5) drawing again, the area ...
Embodiment 2
[0041] A production method of high-performance steel wire, comprising the following steps:
[0042] (1) Carry out steam quenching treatment to the carbon wire rod steel that diameter is 6.5mm, described steam quenching treatment step is:
[0043] First heat the wire rod steel to 950°C, keep it warm for 1 hour, and then spray steam on the wire rod steel. The wet steam is preferably unsaturated steam containing water mist. The steam temperature is 90°C and the pressure is 0.1Mpa. Quickly drop to 550°C, keep warm for 15 minutes, and finally cool the wire rod steel to room temperature with air;
[0046] (4) Normalizing treatment, heat the semi-finished product after preliminary drawing to 780°C, keep it warm for 10 minutes, and cool it to room temperature with air. ;
[0047] (5) drawing again, the area reduction rate is 60% after bein...
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Abstract
The invention discloses a high-performance steel wire production method. The high-performance steel wire production method comprises the following steps that carbon wire rod steel with the diameter being 6.5 mm is subjected to steam quenching treatment; an oxideskin is removed; primary drawing is conducted; normalizing treatment is conducted; secondary drawing is conducted; high-temperature tempering treatment is conducted; final drawing is conducted; a pinchbeck alloy layer is plated; and wire winding is conducted. According to the high-performance steel wire production method, the three heat treatment technologies including steam quenching treatment, middle normalizing treatment and high-temperature tempering treatment are adopted in the steel wire drawing process, so that the comprehensive properties of steel wire products are effectively improved; and steam quenching replaces patenting, lead pollution in the production process is avoided, and the production staff body injuries areavoided.
Description
technical field [0001] The invention belongs to the field of steel wire production, in particular to a production method of high-performance steel wire. Background technique [0002] The steel wire made of carbon steel has high comprehensive mechanical properties, high strength, good toughness, high tensile strength, etc. It is widely used as a skeleton material in high and low pressure hoses, conveyor belts, automobile tires and other products. Widely used in cutting wire. [0003] In the production process of steel wire, most steel wires must be quenched to increase the content of sorbite in the steel wire and ensure the mechanical properties of the steel wire. The function of quenching is: the temperature of the steel wire is generally 850-900°C, while the isothermal transition temperature of sorbite is 450-550°C. To achieve complete sorbite transformation, the fastest cooling rate must pass through the transition from 850°C to 550°C. area to prevent the precipitation o...
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