CN103639203A - Vacuum packaging method for symmetric hot rolling manufactured stainless steel clad plates - Google Patents
Vacuum packaging method for symmetric hot rolling manufactured stainless steel clad plates Download PDFInfo
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- CN103639203A CN103639203A CN201310551111.7A CN201310551111A CN103639203A CN 103639203 A CN103639203 A CN 103639203A CN 201310551111 A CN201310551111 A CN 201310551111A CN 103639203 A CN103639203 A CN 103639203A
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Abstract
The invention discloses a vacuum packaging method for symmetric hot rolling manufactured stainless steel clad plates and belongs to the technical field of steel rolling technologies. The method comprises cleaning stainless steel plates with acetone or ethyl alcohol and drying the stainless steel plates after removing oxide layers on the two surfaces of the two stainless steel plates; removing oxide layers on the low-carbon steel surfaces attached to the stainless steel plates, and then performing cleaning with acetone or ethyl alcohol and drying; painting isolating coatings between binding surfaces of the two dried stainless steel plates and then superposing the two stainless steel plates, and welding and fixing the peripheries together; putting the welded and fixed stainless steel plates between surfaces to be combined of two low-carbon steel plates. A through hole is drilled in the middle of one seal strip, the peripheries of the inner surfaces of the seal strips around the two low-carbon steel plates are welded, a negative-pressure machine is communicated with the through hole in the seal strip to pump air between the two low-carbon steel plates, vacuum pumping is performed till the air press is between 0.01 Pa and 1.0 Pa, and the hole is welded and sealed, accordingly, sealing of combined interfaces between the stainless steel plates and the low-carbon steel plates is completed.
Description
Technical field
The present invention relates to a kind of symmetrical hot rolling and manufacture the vacuum packaging method of stainless steel clad plate, belong to technical field of steel rolling.
Background technology
Stainless steel clad plate refers to the thinner stainless steel of metallurgical compound last layer on thicker specification mild steel or low alloy steel plate, has the good mechanical property of stainless decay resistance and mild steel concurrently.Hot-rolled stainless steel composite board can meet the dual property requirement of multiclass structural material to high strength and highly corrosion resistant, in petrochemical industry and for nuclear power, in the equipment field such as all kinds of pressure vessels, heat exchanger, desalinization equipment, shipbuilding and transportation pipe line, has wide practical prospect.In stainless steel clad plate, stainless weight accounts for 1/10-1/5 left and right, than alloying element consumptions such as the Cr of individual layer corrosion resistant plate, Ni, reduces 70-80%, overall cost 30-50%.The production of stainless steel clad plate and application have wide market prospects and huge social benefit.
Traditional stainless steel clad plate manufacture method mainly contains blast composite algorithm, casting composite algorithm and roll-bonding method.Efficiency is high, binding ability is good owing to having for vacuum hot rolling composite algorithm, good stability, product specification are large etc., and feature has become the main method of producing in the world stainless steel clad plate.
Vacuum hot rolling composite algorithm is to weld together with the face to be composite of corrosion resistant plate and low carbon steel plate being superimposed with each other after the removing surface of corrosion resistant plate to be composite and low carbon steel plate is clean, dry to obturage, then send into and in heating furnace, heat and be rolled, obtain the composite plate of stainless steel and mild steel.Stainless steel clad plate method for packing has determined the height of vacuum in package quality and composite blank, because the height of vacuum has determined the degree of oxidation of compound interface and in conjunction with rate, thereby can produce significant impact to bond strength; Existing encapsulation technology cannot reach the specification requirement that stainless steel clad plate is manufactured in symmetrical hot rolling.
Summary of the invention
In order to overcome above-mentioned technical deficiency, the invention provides a kind of symmetrical hot rolling and manufacture the vacuum packaging method of stainless steel clad plate, the vacuum packaging method of this symmetry hot rolling manufacture stainless steel clad plate can improve the vacuum of hot-rolled stainless steel composite board, reduce interface oxidation degree, strengthen the bond strength between composite plate.
The present invention solves the technical scheme that its technical barrier adopts: first two of two corrosion resistant plates lip-deep oxide layers are removed, then the surface of removing oxide layer is cleaned and is dried with acetone or alcohol; Again the oxide layer on the surface of low-carbon steel with corrosion resistant plate laminating is removed, then the surface of removing oxide layer is cleaned, is dried with acetone or alcohol; By brushing barrier coating between dried two corrosion resistant plate binding faces, then two corrosion resistant plates are coincided together, surrounding is welded and fixed together; Stainless steel after again two block weldings being fixed is placed between two low carbon steel plate surfaces to be composite.A through hole will be bored in the middle of one of them strip of paper used for sealing, then the surrounding welding around inner surface between two low carbon steel plates by strip of paper used for sealing, weld complete cooling after, the through hole that Negative pressure machine is communicated with on strip of paper used for sealing is extracted air between two low carbon steel plates of sealing out, be evacuated to after air pressure 0.01-1.0Pa, keyhole welding is obturaged, the compound interface between corrosion resistant plate and low carbon steel plate has sealed again.
The invention has the beneficial effects as follows: high and in conjunction with the problem of rate variance owing to adopting vacuum pumping technology effectively to solve the degree of oxidation of compound interface, adopt good separating effect after barrier coating brushing two stainless hot-rolled steel plates, improved significantly production efficiency.
Accompanying drawing explanation
Fig. 1 is vacuum packaging method strip of paper used for sealing and the low carbon steel plate flush configuration schematic diagram that stainless steel clad plate is manufactured in the symmetrical hot rolling of the present invention.
Fig. 2 be the symmetrical hot rolling of the present invention manufacture stainless steel clad plate vacuum packaging method strip of paper used for sealing lower than low carbon steel plate structural representation.
Fig. 3 be the symmetrical hot rolling of the present invention manufacture stainless steel clad plate vacuum packaging method strip of paper used for sealing higher than low carbon steel plate structural representation.
In figure 1, low carbon steel plate, 2, strip of paper used for sealing, 3, through hole, 4, corrosion resistant plate, 5, weld seam, 6, barrier coating.
The specific embodiment
First two of two corrosion resistant plates 4 lip-deep oxide layers are removed, then the surface of removing oxide layer is cleaned and is dried with acetone or alcohol; Again the lip-deep oxide layer of low carbon steel plate 1 with corrosion resistant plate 4 laminatings is removed, then the surface of removing oxide layer is cleaned, is dried with acetone or alcohol; By brushing barrier coating 6 between dried two corrosion resistant plate 4 binding faces, then two corrosion resistant plates are coincided together, surrounding is welded and fixed together; Stainless steel after again two block weldings being fixed is placed between two low carbon steel plate 1 surfaces to be composite, a through hole 3 will be bored in the middle of one of them strip of paper used for sealing, then the surrounding welding around inner surface between two low carbon steel plates 1 by strip of paper used for sealing, weld complete cooling after, the through hole 3 that Negative pressure machine is communicated with on strip of paper used for sealing 2 is extracted air between two low carbon steel plates 1 of sealing out, be evacuated to after air pressure 0.01-1.0Pa, keyhole welding is obturaged, the compound interface between corrosion resistant plate 4 and low carbon steel plate 1 has sealed again.
Described barrier coating is to stir by silica, ethanol, water the mixture forming;
Described low carbon steel plate 1 is low alloy steel plate;
Described corrosion resistant plate 4 is austenite stainless steel plate;
The width of described strip of paper used for sealing 2 is the distance between two low carbon steel plates 1;
Described low carbon steel plate 1 and corrosion resistant plate 4 are the sheet material after alignment smoothing;
The appearance and size of described corrosion resistant plate adds that the height dimension of strip of paper used for sealing 2 equals, is slightly larger than, is slightly less than the appearance and size of low carbon steel plate.
As shown in Figure 1, the outer surface of described strip of paper used for sealing 2 is concordant with low carbon steel plate 1 lateral surface, and the weld of strip of paper used for sealing 2 is provided with groove, and weld seam 5 is welded between groove and low carbon steel plate 1.
As shown in Figure 2, the outer surface of described strip of paper used for sealing 2 is lower than low carbon steel plate 1 lateral surface, and weld seam 5 is welded between the outer surface and low carbon steel plate 1 inner surface of strip of paper used for sealing 2.
As shown in Figure 3, the outer surface of described strip of paper used for sealing 2 is higher than low carbon steel plate 1 lateral surface, and weld seam 5 is welded between the inner surface and low carbon steel plate 1 outer surface of strip of paper used for sealing 2.
Claims (4)
1. a vacuum packaging method for stainless steel clad plate is manufactured in symmetrical hot rolling, it is characterized in that: first two of two corrosion resistant plates (4) lip-deep oxide layers are removed, then the surface of removing oxide layer is cleaned and is dried with acetone or alcohol; To remove with the lip-deep oxide layer of low carbon steel plate (1) of corrosion resistant plate (4) laminating again, and then the surface of removing oxide layer be cleaned, is dried with acetone or alcohol; By brushing barrier coating (6) between dried two corrosion resistant plates (4) binding face, then two corrosion resistant plates are coincided together, surrounding is welded and fixed together; Stainless steel after again two block weldings being fixed is placed between two low carbon steel plates (1) surface to be composite, a through hole (3) will be bored in the middle of one of them strip of paper used for sealing, then the surrounding welding around inner surface between two low carbon steel plates (1) by strip of paper used for sealing, weld complete cooling after, the through hole (3) that Negative pressure machine is communicated with on strip of paper used for sealing (2) is extracted air between two low carbon steel plates (1) of sealing out, be evacuated to after air pressure 0.01-1.0Pa, keyhole welding is obturaged, the compound interface between corrosion resistant plate (4) and low carbon steel plate (1) has sealed again.
2. the vacuum packaging method of stainless steel clad plate is manufactured in a kind of symmetrical hot rolling according to claim 1, it is characterized in that: the outer surface of described strip of paper used for sealing (2) is concordant with low carbon steel plate (1) lateral surface, the weld of strip of paper used for sealing (2) is provided with groove, and weld seam (5) is welded between groove and low carbon steel plate (1).
3. the vacuum packaging method of stainless steel clad plate is manufactured in a kind of symmetrical hot rolling according to claim 1, it is characterized in that: the outer surface of described strip of paper used for sealing (2) is lower than low carbon steel plate (1) lateral surface, and weld seam (5) is welded between the outer surface and low carbon steel plate (1) inner surface of strip of paper used for sealing (2).
4. the vacuum packaging method of stainless steel clad plate is manufactured in a kind of symmetrical hot rolling according to claim 1, it is characterized in that: the outer surface of described strip of paper used for sealing (2) is higher than low carbon steel plate (1) lateral surface, and weld seam (5) is welded between the inner surface and low carbon steel plate (1) outer surface of strip of paper used for sealing (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310551111.7A CN103639203B (en) | 2013-11-10 | 2013-11-10 | The vacuum packaging method of stainless steel clad plate is manufactured in symmetrical hot rolling |
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| CN201310551111.7A CN103639203B (en) | 2013-11-10 | 2013-11-10 | The vacuum packaging method of stainless steel clad plate is manufactured in symmetrical hot rolling |
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| CN103639203A true CN103639203A (en) | 2014-03-19 |
| CN103639203B CN103639203B (en) | 2016-05-18 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492810A (en) * | 2014-10-27 | 2015-04-08 | 南京钢铁股份有限公司 | Preparation method of wide and thin hot-rolled steel plates with width-to-thickness ratio being greater than or equal to 500 |
| CN104525611A (en) * | 2014-11-29 | 2015-04-22 | 首钢总公司 | Nichrome and carbon steel composite board as well as production method thereof |
| CN104624702A (en) * | 2015-01-07 | 2015-05-20 | 李向民 | Preparation method of double-sided stainless steel composite board |
| CN104708283A (en) * | 2015-03-06 | 2015-06-17 | 南京润邦金属复合材料有限公司 | Production method for vacuum-rolling layered metal composite board |
| CN104759842A (en) * | 2015-03-13 | 2015-07-08 | 李向民 | Production method for stainless steel two-sided composite board, roll |
| CN105127199A (en) * | 2015-10-09 | 2015-12-09 | 中国第一重型机械股份公司 | Process technical method for hot rolling combining of steel plate through symmetrical outer cladding and rolling control as well as cold control |
| CN105458005A (en) * | 2015-12-28 | 2016-04-06 | 中国第一重型机械股份公司 | Preparation method for asymmetrical wide hot-rolled metal composite plates |
| CN105563034A (en) * | 2015-03-26 | 2016-05-11 | 中国科学院金属研究所 | Packaging method for metal construction forming process |
| CN105772507A (en) * | 2016-03-25 | 2016-07-20 | 首钢总公司 | Carbon steel and duplex stainless steel composite steel plate and production method thereof |
| CN106607668A (en) * | 2016-02-04 | 2017-05-03 | 太原科技大学 | Manufacturing method for stainless steel clad plates allowing coating sides to be easily welded |
| CN107052050A (en) * | 2017-06-26 | 2017-08-18 | 河北工业大学 | A kind of efficient isolation production method of stainless steel clad plate |
| CN107654740A (en) * | 2016-11-15 | 2018-02-02 | 南京首勤特种材料有限公司 | A kind of three layers of metallurgical composite pipe and its processing method |
| CN112958886A (en) * | 2021-02-09 | 2021-06-15 | 鞍钢股份有限公司 | High-efficiency assembly welding method for thick-specification composite blank |
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| JPS55128390A (en) * | 1979-03-28 | 1980-10-04 | Japan Steel Works Ltd:The | Production of extra thick clad steel plate |
| JPH08187581A (en) * | 1994-11-11 | 1996-07-23 | Sumitomo Metal Ind Ltd | Production of titanium clad steel sheet |
| CN1205257A (en) * | 1998-05-22 | 1999-01-20 | 陈忠林 | Method of mfg. metal compounded plate |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492810A (en) * | 2014-10-27 | 2015-04-08 | 南京钢铁股份有限公司 | Preparation method of wide and thin hot-rolled steel plates with width-to-thickness ratio being greater than or equal to 500 |
| CN104525611A (en) * | 2014-11-29 | 2015-04-22 | 首钢总公司 | Nichrome and carbon steel composite board as well as production method thereof |
| CN104624702A (en) * | 2015-01-07 | 2015-05-20 | 李向民 | Preparation method of double-sided stainless steel composite board |
| CN104624702B (en) * | 2015-01-07 | 2016-08-17 | 李向民 | A kind of manufacture method of stainless steel double-sided composite plate |
| CN104708283A (en) * | 2015-03-06 | 2015-06-17 | 南京润邦金属复合材料有限公司 | Production method for vacuum-rolling layered metal composite board |
| CN104759842A (en) * | 2015-03-13 | 2015-07-08 | 李向民 | Production method for stainless steel two-sided composite board, roll |
| CN105563034A (en) * | 2015-03-26 | 2016-05-11 | 中国科学院金属研究所 | Packaging method for metal construction forming process |
| CN105127199A (en) * | 2015-10-09 | 2015-12-09 | 中国第一重型机械股份公司 | Process technical method for hot rolling combining of steel plate through symmetrical outer cladding and rolling control as well as cold control |
| CN105458005A (en) * | 2015-12-28 | 2016-04-06 | 中国第一重型机械股份公司 | Preparation method for asymmetrical wide hot-rolled metal composite plates |
| CN106607668B (en) * | 2016-02-04 | 2019-04-16 | 太原科技大学 | Easily weld the manufacturing method for applying side stainless steel clad plate |
| CN106607668A (en) * | 2016-02-04 | 2017-05-03 | 太原科技大学 | Manufacturing method for stainless steel clad plates allowing coating sides to be easily welded |
| CN105772507A (en) * | 2016-03-25 | 2016-07-20 | 首钢总公司 | Carbon steel and duplex stainless steel composite steel plate and production method thereof |
| CN107654740A (en) * | 2016-11-15 | 2018-02-02 | 南京首勤特种材料有限公司 | A kind of three layers of metallurgical composite pipe and its processing method |
| CN107052050A (en) * | 2017-06-26 | 2017-08-18 | 河北工业大学 | A kind of efficient isolation production method of stainless steel clad plate |
| CN112958886A (en) * | 2021-02-09 | 2021-06-15 | 鞍钢股份有限公司 | High-efficiency assembly welding method for thick-specification composite blank |
| CN112958886B (en) * | 2021-02-09 | 2022-09-16 | 鞍钢股份有限公司 | High-efficiency assembly welding method for thick-specification composite blank |
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