A Stelmer Cooling Method for Improving the Sorbitization Rate of 82b Steel Wire Rod

A sorbitizing and cooling method technology, which is applied in workpiece cooling devices, manufacturing tools, metal rolling, etc., can solve problems such as the gap of sorbitization rate, improve the sorbitization rate, and improve the comprehensive mechanical properties. , good economy and promotion effect

Active Publication Date: 2021-02-26
福建三钢闽光股份有限公司 +2
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, there is still a certain gap in the sorbitization rate of wire rods produced by domestic iron and steel enterprises compared with Japan and other countries.

Method used

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  • A Stelmer Cooling Method for Improving the Sorbitization Rate of 82b Steel Wire Rod
  • A Stelmer Cooling Method for Improving the Sorbitization Rate of 82b Steel Wire Rod

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Embodiment Construction

[0020] Specific embodiments of the present invention will be described below with reference to the accompanying drawings. In order to provide a comprehensive understanding of the present invention, many details are described below, but it will be apparent to those skilled in the art that the present invention can be practiced without these details.

[0021] refer to figure 1 , a Stelmore cooling method to increase the sorbitization rate of 82B steel wire rod, mainly through comprehensive consideration of the factors such as the spinning temperature, the air volume of each fan, the number of fans turned on, the room temperature, the speed of the roller table, and the specification of the wire rod. , optimize the design of the cooling process, and use precise coordinated control methods to ensure that the wire rod is first cooled rapidly to the sorbite phase transformation zone on the Stellm air cooling line, and then slowly cooled to the end of the phase transformation, and as ...

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Abstract

The invention discloses a Stelmor cooling method for improving a sorbite rate of 82B steel wire rods, and relates to the technical field of metallurgy industry. The Stelmor cooling method is characterized in that the spinning temperature is 930+-10 DEG C; the cooling speed of steel wire rods is controlled through the air volume control of 0-13# fans; when the steel wire rods enter the 5# fan area,the joint point temperature is 640+-10 DEG C; when the steel wire rods enter the 7# fan area, the joint point temperature is 610+-10 DEG C; and when the steel wire rods are in the 5-13# fan areas, the joint point temperature and the non-joint point temperature are within 560-660 DEG C. The precise optimal coordination control is performed on a cooling process of a Stelmor air cooling line; and under the condition of not adding any facility, the sorbite rate of the 82B steel wire rods is greatly improved, the comprehensive mechanical performance of the steel wire rods is effectively improved,and the excellent economy and popularization are achieved.

Description

technical field [0001] The invention relates to the technical field of metallurgical industry, in particular to a Stelmer cooling method for increasing the sorbite rate of 82B steel wire rods. Background technique [0002] SWRH82B steel wire rod is one of the materials commonly used in important projects such as roads, railways, high-rise buildings, bridges and water conservancy facilities. It has good toughness, strength and drawing performance. After deep processing, it can be made into high prestressed steel wire, Workpieces such as high-strength steel wire ropes and high-strength low-relaxation prestressed steel strands. SWRH82B steel wire rod needs to be drawn for multiple times during the processing process, which requires that the metallographic structure of its raw material must be a sorbite structure with good drawing performance. [0003] The traditional method used by iron and steel enterprises at home and abroad to increase the sorbite rate is to perform austemp...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B45/02B21B37/74
CPCB21B37/74B21B45/0203
Inventor 黄标彩廖琳琳魏勇严海峰翁柳明陈正权陈银莉苏岚
Owner 福建三钢闽光股份有限公司
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