CN1104132A - Double-phase stainless steel composite plate - Google Patents
Double-phase stainless steel composite plate Download PDFInfo
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- CN1104132A CN1104132A CN 94111769 CN94111769A CN1104132A CN 1104132 A CN1104132 A CN 1104132A CN 94111769 CN94111769 CN 94111769 CN 94111769 A CN94111769 A CN 94111769A CN 1104132 A CN1104132 A CN 1104132A
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- steel plate
- stainless steel
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Abstract
The present invention discloses a two-phase stainless steel composite steel plate, using carbon steel as base layer, using two-phase stainless steel as complex coat. It uses an explosion welding metod to form the mutual infiltration of metal atoms, and doesn't change the chemical components of each material so as to obtain a corrugated solid combination welding to make the composite steel plate. This two-phase stainless steel composit steel plate not only has a specific corrosion-resisting property, but also can bear a certain pressure, and its cost is low, so that it is suitable for manufacturing metal container for oil refinery.
Description
Double-phase stainless steel composite plate of the present invention relates to the metal material technical field, is applicable to the material of industry making canisters such as oil, salt chemical engineering, salt manufacturing, desalinization.
Existing metal compound plate is by two kinds of metallic sheet materials, adopt explosion cladding process to make as steel and stainless steel, promptly do basic unit by carbon steel, the stainless steel layer of writing in reply carries out compound making, this composite plate is generally used medicine, food, light industry or decoration industry, but can not be used for anti-chloride, on the corrosion container of sulfide, though though the somewhat corrosion resistant effect of individual product, but also exist the high problem of cost price, at present, also not using the special steel plate of corrosion resistant performance and structural carbon steel at home, to carry out compound formation special type corrosion-resistant, clad steel plate that again can bearing certain pressure, underproduce to satisfy China's oil, each is refined oil producer and must not refine from the bay, Vietnam, the crude oil of South America import, these crude oil composition complexity, sulfide, chlorion, corrosive substance content height such as naphthenic acid, very serious to refining equipment corrosivity, and the problem that has nothing in common with each other of forms of corrosion.Each oil plant is all at the composite board material of seeking to prepare to improve refining equipment for this reason.
The purpose of this invention is to provide this kind double-phase stainless steel composite plate, this clad steel plate is to utilize the extraordinary corrosion resistance of two phase stainless steel strong, steel plate that can bearing certain pressure is as multiple layer, use carbon constructional steel plate or low alloy steel plate as basic unit's clad steel plate that to carry out compound formation gross thickness be 10-300mm, have the low and good purpose of welding performance of cost.
The design of double-phase stainless steel composite plate of the present invention (Fig. 1) is: with Sweden Sandvik AB, and two phase stainless steel and homemade general carbon steel plate that the eighties is produced, tank plate, boiler plate are compounded to form the different series of products of gross thickness.For this reason, technical scheme of the present invention promptly is to adopt the two-phase stainless steel plate of 2-15mm as multiple layer, select GB713 shaped steel plate for use, GB700 shaped steel plate, GB6654 shaped steel plate, and GB150 type carbon constructional steel plate or low alloy steel plate are as basic unit, its thickness 8-300mm uses explosive welding through surface treatment, makes the shallow-layer of compound interface be dissolved the mutual infiltration that forms metallic atom, do not change material chemical analysis separately, reach the welding of corrugated solid-state bond.And then heat-treat, correct, cutting edge forms product, and its recombination rate reaches greater than 99%.
The effect of double-phase stainless steel composite plate of the present invention is compared with prior art, be to adopt the strong two phase stainless steel of extraordinary corrosion resistance as multiple layer, use structural carbon steel or low alloy steel plate as basic unit, utilize blast to form the welding of corrugated solid-state bond, can reach recombination rate is 99%, multiple layer thickness is 2-15mm, groundwork thickness is the series of products of 10-315mm for the 8-300mm gross thickness, it is stable to have composite quality, can be at chloride, high stress corrosion resistant is arranged in the environment of sulfide, and the promptly anti-spot corrosion of anti-general corrosion is arranged, resist the ability of seam corrosion and antiscour and fatigability corrosion.Make extraordinary corrosion-resistantly thereby satisfied oil plant, the requirement of container material that again can bearing certain pressure is the low clad steel plate of a kind of cost price.
Fig. 1 is the structure chart of double-phase stainless steel composite plate of the present invention.
The embodiment of two phase stainless steel of the present invention is to be that the double-phase stainless steel composite plate of 58mm is an example to produce thickness, the detailed description processes is: with the two-phase stainless steel plate of Sweden Sandvik AB production, thickness is 10mm, long * wide be that the steel plate of 1200 * 1200mm is as multiple layer (1), with GB713 type carbon steel plate, thickness is 50mm, long * wide be that 1200 * 1200mm is as basic unit (2), produce 10 altogether, it then is the two-phase stainless steel plate of 10mm by composite bed thickness, groundwork thickness is that the carbon steel plate of 50mm all carries out blanking by length * wide size, through surface treatment, and need basic unit compound one side upwards to be flat on the fried bed, supporting bracket is installed then, simultaneously, complex laminate is lain against on the support, and the explosive of some is gone up in tiling, igniting blasting gets final product, correct through annealing in process again after compound, cut edge, surface treatment, through quality examination: gross thickness is 59mm, long * as widely to come 1200 * 1200mm, by corrugated solid-state bond welding fabrication, the bonded area of multiple layer and basic unit is greater than 99%.
Claims (2)
1, a kind of double-phase stainless steel composite plate, by two phase stainless steel write in reply the layer (1), form as basic unit (2) with carbon constructional steel plate or low alloy steel plate, it is characterized in that the two phase stainless steel plate thickness is 2-15mm, basic unit's steel plate thickness is 8-300mm, and forms clad steel plate by the welding of corrugated solid-state bond.
2, according to claim 1 as to close steel plate, it is characterized in that doing basic unit with GB713, GB700, GB6654, GB150 type carbon constructional steel plate or low alloy steel plate with the two-phase stainless steel plate layer of writing in reply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94111769 CN1104132A (en) | 1994-05-27 | 1994-05-27 | Double-phase stainless steel composite plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94111769 CN1104132A (en) | 1994-05-27 | 1994-05-27 | Double-phase stainless steel composite plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1104132A true CN1104132A (en) | 1995-06-28 |
Family
ID=5035604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94111769 Pending CN1104132A (en) | 1994-05-27 | 1994-05-27 | Double-phase stainless steel composite plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1104132A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101298114B (en) * | 2008-06-23 | 2010-09-22 | 南京润邦金属复合材料有限公司 | Big thickness BFe30-1-1/35CrMo explosive welding high intensity high corrosion resistance composite board |
| CN102248718A (en) * | 2011-05-11 | 2011-11-23 | 大连沈特电缆有限公司 | Explosion cladding rolled double-sided stainless steel composite thin strip |
| 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 |
-
1994
- 1994-05-27 CN CN 94111769 patent/CN1104132A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101298114B (en) * | 2008-06-23 | 2010-09-22 | 南京润邦金属复合材料有限公司 | Big thickness BFe30-1-1/35CrMo explosive welding high intensity high corrosion resistance composite board |
| CN102248718A (en) * | 2011-05-11 | 2011-11-23 | 大连沈特电缆有限公司 | Explosion cladding rolled double-sided stainless steel composite thin strip |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |