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Method for producing titanium and titanium alloy wire rods by hot continuous rolling

A titanium alloy, hot continuous rolling technology, applied in the field of metal plastic processing, to achieve the effects of low cost, automatic compensation of end face changes, and advanced control level

Active Publication Date: 2016-01-20
PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The above-mentioned continuous rolling production line mainly produces high value-added, high-strength mechanical and railway steel, special steel, etc. Due to the special physical and chemical properties of titanium and titanium alloys, the method of using traditional hot continuous rolling mills to produce titanium and titanium alloy wire rods has not been reported.

Method used

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  • Method for producing titanium and titanium alloy wire rods by hot continuous rolling
  • Method for producing titanium and titanium alloy wire rods by hot continuous rolling
  • Method for producing titanium and titanium alloy wire rods by hot continuous rolling

Examples

Experimental program
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Effect test

Embodiment 1

[0100] The production of Φ6.0mm titanium alloy wire rod using the above-mentioned hot continuous rolling production line includes the following steps:

[0101] a. Heating: keep a forged billet of titanium alloy with a size of 150×150×12000mm at a heating temperature of 1000°C for 3 hours;

[0102] b. Rough rolling: rough rolling the heated forged billet, the rolling speed is 0.7m / s, rolling 4 passes, the pass elongation coefficient is 1.2; the final rolling temperature of the rolled piece is controlled at 850°C;

[0103] c. Intermediate rolling: after rough rolling, cut the head of the rolled piece by 50-100mm and then carry out intermediate rolling. The rolling speed is 1.2m / s, rolling 6 passes, and the pass elongation coefficient is 1.3; the final rolling temperature of the rolled piece is controlled is 830°C;

[0104] d. Finish rolling: after the intermediate rolling, the rolled piece is cut to 50-100mm and then rolled, the rolling speed is 4.2m / s, rolling 6 passes, the el...

Embodiment 2～ Embodiment 3

[0109] According to the steps of Example 1, the process parameters were changed to obtain Φ8.0mm pure titanium wire rod and Φ10.0mm titanium alloy wire rod. Table 4 lists the specific production process parameters of Φ6.0mm titanium alloy wire, Φ8.0mm pure titanium wire, and Φ10.0mm titanium alloy wire. The products produced in Examples 1 to 3 all conform to the diameter, cross-sectional thickness, and dimensional tolerances of titanium and titanium alloy rods and wires specified in the GB / T2965-2007 standard.

[0110] Table 4 Specific process parameters of wire rods with different specifications

[0111]

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Abstract

The invention relates to a method for producing titanium and titanium alloy wires through hot continuous rolling, belongs to the technical field of metal plastic working, and aims to solve the technical problems and provide a method for producing titanium and titanium alloy wires on a traditional steel hot continuous rolling unit. According to the method for producing the titanium and titanium alloy wires through hot continuous rolling, a heating system, blooming temperature, rolling speed and hole pattern are controlled, processes including shearing, cooling and spinning to form coils are performed, and titanium and titanium alloy square billets are discharged from a furnace through single heating and rolled into wires with the diameter ranging from phi 5.5 mm to phi 20 mm. According to the method for producing the titanium and titanium alloy wires through hot continuous rolling, titanium and titanium alloy wire products with large single wire coil weight, good surface quality and roundness and uniform structure property can be produced quickly and efficiently on the hot continuous rolling unit.

Description

technical field [0001] The invention relates to a method for producing titanium and titanium alloy wire rods by continuous hot rolling, and belongs to the technical field of metal plastic processing. Background technique [0002] With the development of metallurgical technology, electric transmission and control technology, and mechanical manufacturing technology, high-speed wire rod mills have also developed rapidly, and have become the most mature rod and wire rod rolling equipment. It is characterized by high speed, single wire, no torsion, micro tension, combined structure, tungsten carbide roller ring and high degree of automation. Its products are characterized by large disk, high precision and good quality. [0003] Titanium and titanium alloys are an important structural metal developed in the middle of the 20th century. They have low density, high specific strength, high temperature resistance, low temperature resistance, acid and alkali corrosion resistance, non-m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B1/16B21B37/74B21B37/46
Inventor 卢东李军王晓波王怀柳孙慎宏赵兵王莹肖聪彭琳
Owner PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP
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