Method for heating titanium and titanium alloy ingot

A heating method and titanium alloy technology, applied in heat treatment furnaces, heat treatment equipment, furnaces, etc., can solve the problems of low production efficiency and high comprehensive production costs, and achieve high production efficiency, reduced metallurgical manufacturing costs, and convenient production.

Active Publication Date: 2005-04-27
宝武特冶钛金科技有限公司
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Problems solved by technology

[0007] The present invention develops a heating method for titanium and titanium alloy ingots, which is a process for heating titanium (titanium alloy) ingots in a soaking furnace, and is used for thermal processing and rolling of titanium (titanium alloy) ingots in a roughing mill. , while ensuring the heating uniformity of titanium and titanium alloy ingots, it effectively avoids the burning phenomenon that may occur when the soaking furnace heats titanium and titanium alloy ingots, and solves the production efficiency of traditional forging press thermal processing forging blanking process The problems of low and high comprehensive production costs meet the requirements of metallurgical manufacturers to produce titanium and titanium alloy billets quickly and conveniently, and meet the needs of users and market development.

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  • Method for heating titanium and titanium alloy ingot
  • Method for heating titanium and titanium alloy ingot

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[0020] specific implementation plan

[0021] The steel rolling workshop of an iron and steel company implements the patent of the invention, and uses a soaking furnace to heat titanium and titanium alloys (TA2, TA3, TA10, GR2, GR3, GR9, etc.) , used for thermal processing and rolling blanking of φ800 blooming mill: (1) Block-shaped isolation device made of refractory material, with 2 semicircular pits on the upper surface, the pit size (φ520mm) is slightly larger than the diameter of the ingot, The pitch of pits is 500mm; (2) Clamp the block-shaped isolation device into the soaking furnace first, and place it flat on the furnace bottom near the furnace wall; then clamp the ingot into the soaking furnace, one end of the ingot along the length direction Stand vertically on the pit on the upper surface of the block-shaped isolation device, and the other end leans against the furnace wall of the soaking furnace; (3) When heating, first keep the ingot in the soaking furnace for 15 ...

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Abstract

The titanium and titanium alloy ingot heating method for cogging of titanium and titanium alloy ingot features the heating of cast ingot in soaking furnace. The heating process includes the steps of: setting isolating block with pits in the surface horizontally on the bottom of soaking furnace; leaning the cast ingot on the furnace wall with one end in the pit while maintaining some interval between adjacent ingots; and heating the ingot through maintaining in the furnace at 800 deg.c for 15 min, heating to set temperature of 900-1000 deg.c in the temperature raising speed of not higher than 60 deg.c/hr and maintaining in the temperature for 2.5 hr before discharging. The present invention has the advantages of low cost, simple technological process, etc.

Description

technical field [0001] The invention relates to a heating method for thermal processing of precious metals in the metallurgical industry, in particular to a heating method for billeting during thermal processing of pure titanium and titanium alloys. Background technique [0002] As we all know, there are generally two methods for hot-working blanking of metal alloys: forging with a forging press and rolling with a blooming mill (horizontal rolling mill). For the thermal processing of titanium and titanium alloys: the former has low production efficiency and is more suitable for small batch (or special requirements) thermal processing production; the latter has high production efficiency, so it is suitable for large-scale thermal processing production. [0003] Since titanium (or titanium alloy) is an expensive precious metal, although titanium (or titanium alloy) has high specific strength (light specific gravity, high strength) and excellent corrosion resistance, the activi...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D9/70
Inventor 葛宪平杨昭沈燕源顾新根施惠康张得昭金鑫
Owner 宝武特冶钛金科技有限公司
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