CN101293305B - Ultra-low carbon Ni-Cr-Mo5923hMo steel alloy high corrosion resistance composite material explosion welding method - Google Patents
Ultra-low carbon Ni-Cr-Mo5923hMo steel alloy high corrosion resistance composite material explosion welding method Download PDFInfo
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- CN101293305B CN101293305B CN2008101240543A CN200810124054A CN101293305B CN 101293305 B CN101293305 B CN 101293305B CN 2008101240543 A CN2008101240543 A CN 2008101240543A CN 200810124054 A CN200810124054 A CN 200810124054A CN 101293305 B CN101293305 B CN 101293305B
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- 229910000851 Alloy steel Inorganic materials 0.000 title claims abstract description 40
- 238000003466 welding Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 25
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 24
- 238000005260 corrosion Methods 0.000 title claims abstract description 22
- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 230000007797 corrosion Effects 0.000 title claims abstract description 19
- 238000004880 explosion Methods 0.000 title claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 23
- 150000001875 compounds Chemical class 0.000 claims abstract description 22
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 6
- 238000000137 annealing Methods 0.000 claims abstract description 5
- 239000002360 explosive Substances 0.000 claims description 29
- 239000004744 fabric Substances 0.000 claims description 9
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 8
- 238000005498 polishing Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- 238000005474 detonation Methods 0.000 claims description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 4
- 229910001651 emery Inorganic materials 0.000 claims description 4
- 239000000839 emulsion Substances 0.000 claims description 4
- 230000014759 maintenance of location Effects 0.000 claims description 4
- 235000019362 perlite Nutrition 0.000 claims description 4
- 239000010451 perlite Substances 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 9
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005336 cracking Methods 0.000 abstract description 4
- 238000005520 cutting process Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000005272 metallurgy Methods 0.000 abstract description 2
- 150000002739 metals Chemical class 0.000 abstract description 2
- 238000002203 pretreatment Methods 0.000 abstract description 2
- 238000007705 chemical test Methods 0.000 abstract 1
- 150000001805 chlorine compounds Chemical class 0.000 abstract 1
- 238000013329 compounding Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000002585 base Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 239000003814 drug Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 229910003296 Ni-Mo Inorganic materials 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910001182 Mo alloy Inorganic materials 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- WUUZKBJEUBFVMV-UHFFFAOYSA-N copper molybdenum Chemical compound [Cu].[Mo] WUUZKBJEUBFVMV-UHFFFAOYSA-N 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention relates to a novel compound material which is formed by an explosion welding technique and a common low alloy steel Q345B as well as by adopting the ultra-low-carbon Ni-Cr-Mo 5923hMo alloy steel as a high anti-corrosion layer. The manufacture method of the invention includes the techniques of surface pre-treatment, explosion welding compounding and annealing for removing a stress. The structure of the invention is that the common low alloy steel is combined with the metallurgy of a 5923hMo anti-corrosion steel multiple layer on the common low alloy steel. The compound material ofthe invention has the advantages that the multiple layer has excellent anti-corrosion property to most corrosion properties and extremely excellent properties of pit corrosion resistance, crevice corrosion resistance and stress corrosion cracking resistance caused by chlorides; while a basic layer plate has excellent mechanical property to fully play the excellent physical and chemical propertiesof two metals. The novel compound material can not have the phenomena of cracking or separation on the interface between the basic layer and the composite layer after being processed by the hot and cold techniques such as annealing, leveling and cutting, etc. Analyzed by a physical test and a chemical test, the property index of the novel compound material is completely in accordance with the standard of JB4748-2002 and can meet the property requirements of a device to special materials under execrable working conditions.
Description
Technical field:
The present invention relates to high temperature resistant, high pressure in the industry such as oil, chemical industry, pharmacy, chlor-alkali, and the high corrosion resistance composite material that can under multiple harsh corrosive environment, use, belong to the technical field of nickel, chromium, molybdenum alloy steel.
Background technology:
The effect characteristics of this Cr-Ni-Mo clad steel plate welding wire to transition zone set forth in " H1Cr12Ni13 transition zone welding wire is to the influence of incoloy825 CLAD STEEL " literary composition on 2001 (12) the welding magazines, and this paper does not relate to the explosive welding complex technique.
" principle of explosive welding and explosive composite material and application " book that publish in April, 2007, in second piece the 3.2nd is saved, set forth nickel-stainless steel, Ni-Ti, nickel-steel, molybdenum-copper etc. respectively and related to the single steel grade explosion weld process and the technology of Cr-Ni-Mo element, but do not related to the explosion welding technique of Cr-Ni-Mo/ steel alloy.
" development of Ha Shi B-3 alloy large-size pressure vessel " literary composition in November, 2007 " pressure vessel " magazine, only development, the performance of this alloy have been done introduction, and set forth this alloy when the welding large pressurized vessel, requirement aspect construction environment, cold and hot working, Kesternich test and quality control does not relate to this class composite of explosive welding.
To so far, the reported in literature of the relevant Cr-Ni-Mo alloy composite materials of Shang Weijian aspect.
Summary of the invention:
The object of the present invention is to provide a kind of fabulous anti-spot corrosion, slit erosion and stress erosion, and the good composite of mechanical performance, to satisfy the various equipment that under harsh working condition, move, to the demand of required manufactured materials performance.
Technical solution of the present invention:
Ultra-low carbon Cr-Ni-Mo5923hMo steel alloy explosive welding high corrosion resistance composite material, tool production method comprise quick-fried pre-treatment, compound, the annealing stress-removal treatment process of explosive welding.
One, described quick-fried preceding pretreating process is:
1, adopts emery wheel and cloth wheel to treat faying face polishing, polishing, remove the oxide skin(coating) on surface, make two to treat that faying face exposes fresh metal covering two.
2, install at the scene of base, multiple layer; Reserve compound plate acceleration distance and cloth medicine determining dimensions between base, the compound plate, when being convenient to explosive welding, eliminate the influence of initiation ends, both sides and end boundaries effect.
3, before base, compound plate are installed, with acetone scrub base, compound plate is treated faying face, guarantees that cleaning surface does not have dirts such as dust, oil stain.
Two, described explosion weld process is:
Select the powdery ammonium oil emulsion of low explosion velocity for use, and interpolation accounts for the powdery Nacl of gross mass 25-30%, the perlite of 3-4% and 2% saw powder in proportion, utilize the detonation feature of explosive,, realize the metal moment metallurgical binding of different performance with the velocity interval value inclined impact basal plate of regulation.
Three, described heat treatment stress-removal technology is:
Programming rate≤200 ℃/h, 670 ℃-910 ℃ of maximum temperatures, the temperature retention time scope is formulated according to the composite gross thickness, is generally 50-130 minute.
Ultra-low carbon Cr-Ni-Mo5923hMo steel alloy/ordinary low-alloy steel Q345B explosive welding high corrosion resistance composite material, its structure comprises ordinary low-alloy steel strong combining with being positioned at the multiple layer metallurgy of its surperficial Ultra-low carbon Cr-Ni-Mo5923hMo steel alloy, wherein the multiple layer thickness of Ultra-low carbon Cr-Ni-Mo5923hMo steel alloy is 2-10mm, common low-alloy basic unit steel is Q345B, its thickness is 30-100mm, and the Ultra-low carbon Cr-Ni-Mo5923hMo steel alloy main chemical compositions of use consists of (in the percentage of mass fraction):
The main chemical compositions of the low-alloy steel Q345B of basic unit is formed (in the percentage of mass fraction):
Advantage of the present invention:
1, complex laminate has excellent corrosion resisting property to most of Korrosionsmediums, the stress corrosion cracking performance that fabulous anti-spot corrosion, slit erosion and chloride cause.Basal plate then has the good mechanical performance, realizes that the metal material of two kinds of performances is perfectly unified, has given full play to the performance advantage of homogenous material.
2, adopted minimum explosive welding and charging amount, and carry out confined charge technology, this two kinds of explosive weldings that material is good have not only been realized, and make the explosive welding and charging amount reduce 20-30% again than at present domestic and international technology explosive payload lower limit, greatly reduce the explosive welding cost, weakened explosive welding shock wave and noise.Grinding and buffing technology has realized flat, the light, clean of two metal faying faces, make it expose fresh metal surface, obtain the strong metallurgical bonding interface of two metals through explosive detonation, and in conjunction with the bond strength of a face reached fully predetermined index (〉=210MPa), metallic composite product after the heat treatment, not only has very high bond strength, and physics, the chemical property of multiple layer and basic unit remain unchanged, when smoothing afterwards and cutting cold and hot working, interface cracking or segregation phenomenon can not appear.
The specific embodiment
Embodiment 1
Industrial-scale production Ultra-low carbon Cr-Ni-Mo5923hMo steel alloy/ordinary low-alloy steel Q345B explosive welding high corrosion resistance composite material, its production method is:
One, pretreating process before quick-fried: 1, treat combination interface, remove the oxide skin(coating) on surface, reach flat, light, clean purpose with emery wheel and the polishing of cloth wheel, polishing.2, base, compound plate and cloth medicine determining dimensions; Compound plate is than each long 40mm of substrate surrounding, the same compound plate of cloth medicine size.3, base, compound plate are scrubbed two faying faces with acetone before installing, to eliminate dirts such as surperficial dust and oil stain.
Two, explosive welding combination process: the powdery ammonium oil emulsion of selecting low explosion velocity for use, and interpolation accounts for the powdery Nacl of gross mass 25%, the perlite of 3-4% and 2% saw powder in proportion, utilize the detonation characteristics of explosive, make the velocity interval value inclined impact basal plate of Ultra-low carbon Cr-Ni-Mo5923hMo steel alloy, realize the metallurgical binding of two metallic plate moments with regulation.
Three, Technology for Heating Processing: 910 ℃ ± 10 ℃ of maximum temperatures, the temperature retention time scope is 50min, programming rate≤200 ℃/h.
Ultra-low carbon Cr-Ni-Mo5923hMo steel alloy/ordinary low-alloy steel Q345B explosive welding high corrosion resistance composite material, the multiple layer of Ultra-low carbon Cr-Ni-Mo5923hMo steel alloy that its structure comprises ordinary low-alloy steel basic unit and is positioned at one side, multiple layer of metallurgical binding strong after explosive welding of basic unit and position Ultra-low carbon Cr-Ni-Mo5923hMo steel alloy thereon together, wherein multiple layer Ultra-low carbon Cr-Ni-Mo5923hMo steel alloy thickness is 2mm, and ordinary low-alloy steel Q345B thickness is 50mm.
Embodiment 2
Industrial-scale production Ultra-low carbon Cr-Ni-Mo5923hMo steel alloy explosive welding high corrosion resistance composite material, its production method is:
One, pretreating process before quick-fried: 1, treat combination interface, remove the oxide skin(coating) on surface, reach flat, light, clean purpose with emery wheel and the polishing of cloth wheel, polishing.2, base, compound plate and cloth medicine determining dimensions; Compound plate is than each long 20mm of substrate surrounding, the same compound plate of cloth medicine size.3, scrub two with acetone before base, compound plate are installed and treat faying face, to eliminate dirts such as surperficial dust and oil stain.
Two, the explosive welding skill of returning to work: the powdery ammonium oil emulsion of selecting low explosion velocity for use, and interpolation accounts for the powdery Nacl of gross mass 30%, the perlite of 3-4% and 2% saw powder in proportion, utilize the detonation characteristics of explosive, make the velocity interval value inclined impact basal plate of Ultra-low carbon Cr-Ni-Mo5923hMo steel alloy, realize the metallurgical binding of two metallic plate moments with regulation.
Three, Technology for Heating Processing: 670 ℃ of maximum temperatures, temperature retention time scope are 130min, programming rate≤150 ℃/h.
Ultra-low carbon Cr-Ni-Mo5923hMo steel alloy explosive welding high corrosion resistance composite material, the multiple layer of Ultra-low carbon Cr-Ni-Mo5923hMo steel alloy that its structure comprises ordinary low-alloy steel basic unit and is positioned at one side, multiple layer of metallurgical binding strong after explosive welding of basic unit and position Ultra-low carbon Cr-Ni-Mo5923hMo steel alloy thereon together, wherein multiple layer Ultra-low carbon Cr-Ni-Mo5923hMo steel alloy thickness is 6mm, and ordinary low-alloy steel Q345B thickness is 60mm.
After testing, the combination interface intensity of this composite is 320Mpa, and the JB/T4748-2002 standard is 〉=200.As can be seen, metallic composite product after heat treatment has very high interface bond strength and recombination rate.Therefore, when cold and hot processes such as enforcement smoothing, cutting, segregation phenomenon can not occur ftractureing between multiple layer and the basic unit interface, can be applied to the equipment and materials that under the special operation condition condition, moves fully.
Claims (2)
1. Ultra-low carbon Cr-Ni-Mo5923hMo steel alloy/ordinary low-alloy steel Q345B high corrosion resistance composite material explosion welding method is characterized in that this method comprises: pretreating process, explosive welding combination process, annealing stress-removal treatment process; Explosive welding combination process feature wherein: the powdery ammonium oil emulsion of selecting low explosion velocity for use, and add the powdery Nacl account for gross mass 25-30% in proportion, the perlite of 3-4% and 2% saw powder, utilize the detonation feature of explosive, make the velocity interval value inclined impact substrate of Ultra-low carbon Cr-Ni-Mo5923hMo steel alloy, realize the metallurgical binding of two metallic plate moments with regulation; Annealing stress-removal treatment process feature: programming rate≤200 ℃/h, maximum temperature 670-910 ℃, temperature retention time is 50-130min; The main chemical compositions composition of the Ultra-low carbon Cr-Ni-Mo5923hMo steel alloy that uses is counted C:0.002, S:0.002, Cr:22.70, Ni:60.17, Mn:0.23, Si:0.03, Mo:15.40, Cu:0.01, Fe:0.80, P:0.006, Al:0.30, Co with the percentage of mass fraction:＜0.01.
2. Ultra-low carbon Cr-Ni-Mo5923hMo steel alloy according to claim 1/ordinary low-alloy steel Q345B high corrosion resistance composite material explosion welding method, it is characterized in that: described pretreating process is: adopt emery wheel and cloth wheel to treat faying face polishing, polishing, make and treat that faying face exposes fresh metal covering; Install at the scene of base, compound plate, reserves the compound plate acceleration distance between base, the compound plate, and compound plate is than each long 20mm-40mm of substrate four limits; Quick-fried before with acetone scrub base, compound plate is treated faying face, guarantees that cleaning surface does not have dust, oil stain.
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| CN101992345B (en) * | 2010-08-26 | 2014-04-02 | 中国兵器工业第五二研究所 | Compound preparation method of aluminum alloy and magnesium alloy laminated plate |
| CN102154537A (en) * | 2011-02-14 | 2011-08-17 | 南京润邦金属复合材料有限公司 | Composite carbon tool steel/plain carbon steel metallurgical lining board with high resistance, high uniformity and long service life |
| CN102690155B (en) * | 2012-05-16 | 2015-03-11 | 中国人民解放军理工大学 | Lowest critical detonation velocity explosive for explosive welding |
| CN103009702A (en) * | 2012-12-13 | 2013-04-03 | 南京润邦金属复合材料有限公司 | W6Mo5Cr4V2/Q345 explosive welding composite material |
| DE102013105392A1 (en) * | 2013-05-27 | 2014-11-27 | Thyssenkrupp Rasselstein Gmbh | Process for coating a steel sheet with a metal layer |
| CN107502711A (en) * | 2017-08-09 | 2017-12-22 | 南京鑫都源机械制造有限公司 | A kind of compound wear-resisting steel plates heat treatment method |
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| US4264029A (en) * | 1978-08-16 | 1981-04-28 | Deutsche Forschungs- Und Versuchsanstalt Fur Luft- Und Raumfahrt E.V. | Compound material and method for producing same |
| US5376464A (en) * | 1991-04-22 | 1994-12-27 | Creusot-Loire Industrie | Stainless clad sheet and method for producing said clad sheet |
| US6360936B1 (en) * | 1999-05-11 | 2002-03-26 | Aktiengesellschaft der Dillinger Hüttenwerke | Method of manufacturing a composite sheet steel, especially for the protection of vehicles against shots |
| CN1836819A (en) * | 2006-04-14 | 2006-09-27 | 南京润邦金属复合材料有限公司 | High-carbon high-chrome ledeburite steel explosive welded wearing-resistant composite material |
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2008
- 2008-06-23 CN CN2008101240543A patent/CN101293305B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4264029A (en) * | 1978-08-16 | 1981-04-28 | Deutsche Forschungs- Und Versuchsanstalt Fur Luft- Und Raumfahrt E.V. | Compound material and method for producing same |
| US5376464A (en) * | 1991-04-22 | 1994-12-27 | Creusot-Loire Industrie | Stainless clad sheet and method for producing said clad sheet |
| US6360936B1 (en) * | 1999-05-11 | 2002-03-26 | Aktiengesellschaft der Dillinger Hüttenwerke | Method of manufacturing a composite sheet steel, especially for the protection of vehicles against shots |
| CN1836819A (en) * | 2006-04-14 | 2006-09-27 | 南京润邦金属复合材料有限公司 | High-carbon high-chrome ledeburite steel explosive welded wearing-resistant composite material |
Non-Patent Citations (2)
| Title |
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| JP特开平7-178574A 1995.07.18 |
| JP特开平8-192279A 1996.07.30 |
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