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Processing method of titanium and titanium alloy strip coils

A processing method and technology for titanium alloys, applied in metal processing equipment, metal rolling, manufacturing tools, etc., can solve the problems of low efficiency, inability to produce titanium plates, low yield, etc., to improve yield, improve efficiency, improve The effect of processing efficiency

Active Publication Date: 2013-03-20
YUNNAN TITANIUM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to solve the problems of low efficiency, low yield and inability to produce titanium plates with a length exceeding 3m in veneer rolling, so as to provide a large-scale rolling equipment in the steel processing industry to produce thousands of sheets in coils. A processing method in which the titanium strip is one meter long, and then the surface of the titanium strip is processed in rolls on a special processing line, and finally can be delivered as a roll or as a flat plate.

Method used

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  • Processing method of titanium and titanium alloy strip coils

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Effect test

Embodiment 1

[0034] Embodiment 1 The processing method of a titanium strip and a titanium plate with a thickness of 1.5mm and a width of 1000mm

[0035] The process steps of this embodiment are:

[0036] 1. Raw material The thickness of the titanium slab is 180mm, the width is 1050mm, and the length is 10000mm;

[0037] 2. Heating The titanium slab is heated to 950°C through a gas heating furnace;

[0038] 3. Rolling The titanium slab is rolled and processed into a titanium strip with a thickness of 3.2mm by a double-stand stecket rolling mill and wrapped into a coil to become a hot-rolled titanium strip coil;

[0039] 4. Annealing Hot-rolled titanium coils are annealed in a bell annealing furnace under the protection of an argon inert gas atmosphere with a furnace temperature of 550°C in the coiled state, making it an annealed hot-rolled titanium coil;

[0040] 5. Shot blasting treatment The annealed hot-rolled titanium strip is opened by the uncoiler of the shot blasting unit, and the ...

Embodiment 2

[0052] Embodiment 2 The processing method of the titanium coil of thickness 0.7mm, width 250mm

[0053] The process steps of this embodiment are:

[0054] 1. Raw material The thickness of the titanium slab is 180mm, the width is 1050mm, and the length is 10000mm;

[0055] 2. Heating The titanium slab is heated to 950°C through a gas heating furnace;

[0056] 3. Rolling A 7-stand continuous rolling mill is used to roll and process titanium slabs into titanium strips with a thickness of 3.5 mm and wrap them into coils to become hot-rolled titanium strip coils;

[0057] 4. Annealing When the hot-rolled titanium coil is in the coiled state, it is annealed in a bell-type annealing furnace under the protection of a helium inert gas atmosphere with a furnace temperature of 560 ° C to make it an annealed hot-rolled titanium coil;

[0058] 5. Shot blasting treatment The annealed hot-rolled titanium strip is opened by the uncoiler of the shot blasting unit, and the oxide scale on the ...

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Abstract

The invention provides a processing method of titanium and titanium alloy strip coils, which comprises the steps of raw material preparation, heating, rolling, annealing, shot blasting treatment, coping, pickling, cold rolling, derosination, annealing, straightening or flattening, edge scraping, and product obtaining. According to the method, existing large steel rolling equipment of various types in the steel processing industry is fully utilized, the defect that no titanium material surface processing and treatment technology exists in the steel processing industry is overcome, the advantages of the steel processing industry are combined with the uniqueness of the titanium material processing industry, and the essential leap of titanium material processing from single plate rolling to long strip rolling plus collection and coiling is completed. By using the method, goods can be delivered in a coiled state as well as a flat plate state, the titanium material processing efficiency is improved, the titanium material processing yield is increased, and conditions are created and high quality raw materials are provided for the processing of titanium welded pipes with various diameters and longer lengths, so high efficiency, energy conservation and economization of titanium material processing are realized.

Description

technical field [0001] The invention belongs to the technical field of titanium and titanium alloy wide-width titanium coil rolling and surface processing. Background technique [0002] The existing titanium and titanium alloy plates are produced in the form of single-plate rolling, that is, smaller titanium billets are rolled into flat plates one by one through small rolling equipment, annealed in the flat state, and rolled into flat sheets in the flat state. Surface descaling by alkali explosion method one by one, pickling the surface oxide layer by pool immersion method in the flat state, and then cold rolling into flat plates one by one, and alkali cleaning the surface by pool immersion method in the flat state Rolled in oil, then annealed in the flat state. The form of coil rolling is only used for narrower and lighter cold-rolled titanium coils with a width of less than 200mm and a weight of less than 100kg, that is, the light-weight small titanium billet is repeatedl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00B21B1/22B21B1/26B21B1/36B21B45/00B21B45/02B21B45/06B21B15/00
Inventor 苏鹤洲史亚鸣曹占元刘昆李志敏范勇斌赵宇朱发金张宝柱周朝华赵之华施汝洪晏合彪张彦民
Owner YUNNAN TITANIUM IND
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