CN103409664A - Novel chromium-nickel alloy and method for centrifugally casting and producing high-temperature dusting corrosion resistant furnace tube by using alloy - Google Patents
Novel chromium-nickel alloy and method for centrifugally casting and producing high-temperature dusting corrosion resistant furnace tube by using alloy Download PDFInfo
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- CN103409664A CN103409664A CN2013102731079A CN201310273107A CN103409664A CN 103409664 A CN103409664 A CN 103409664A CN 2013102731079 A CN2013102731079 A CN 2013102731079A CN 201310273107 A CN201310273107 A CN 201310273107A CN 103409664 A CN103409664 A CN 103409664A
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Abstract
The invention discloses a novel chromium-nickel alloy and a method for centrifugally casting and producing a high-temperature dusting corrosion resistant furnace tube by using the alloy. The contents of chemical ingredients of the novel chromium-nickel alloy are as follows: 0.3-0.5% of Si, 0.3-0.5% of Mn, not more than 0.02% of P, not more than 0.01% of S, 24-26% of Cr, 59.3-65.5% of Ni, not more than 0.5% of Mo, 0.03-0.05% of Cu, 1.8-2.4% of Al, and the balance of micro alloying elements, including Ti, Zr and Re. The novel chromium-nickel alloy is adopted to produce the high-temperature dusting corrosion resistant furnace tube through a centrifugal casting method, the produced high-temperature dusting corrosion resistant furnace tube can replace an imported rolled 602CA alloy furnace tube, the requirement of a petrochemical high temperature device on an alloy furnace tube with metal powder dusting corrosion resistance and hydrogen resistance can be met, and a methanol device can produce methanol through recycled waste gases and tail gases.
Description
Technical field
The invention belongs to the alloy metal material technical field, be specifically related to a kind of novel alloy material and adopt the method for this alloy material production high temperature resistant metal dust formation alloy furnace tubes by adopting.
Background technology
The required alloy furnace tubes by adopting of petrochemical industry high temperature service needs the performance of enough opposing metallic dust corrosion and hydrogen-type corrosion, production at present can be resisted the alloy furnace tubes by adopting of metallic dust corrosion and hydrogen-type corrosion, reliable alloy material is 602CA, China does not also produce the producer of this material at present, orders this material abroad not only expensive but also delivery cycle is longer; Adopt the rolling method of 602CA material produce alloy furnace tubes by adopting, complex procedures, production cost is high.
Summary of the invention
The above-mentioned technical problem existed in order to overcome the prior art field, the object of the invention is to, a kind of novel chromium, nickelalloy are provided and adopt the method for this alloy centrifugal Foundry Production high temperature resistance dirt corrosion boiler tube, novel chromium, nickel alloy material dependable performance, produce high temperature resistance dirt corrosion boiler tube method simple, cost is low.
Novel chromium provided by the invention, nickelalloy and adopt the method for this alloy centrifugal Foundry Production high temperature resistance dirt corrosion boiler tube, described novel chromium, nickelalloy chemical composition content are as follows: Si:0.3%-0.5%, Mn:0.3%-0.5%, P≤0.02%, S≤0.01%, Cr:24%-26%, Ni:59.3%-65.5%, Mo≤0.5%, Cu:0.03%-0.05%, Al:1.8%-2.4%, surplus are micro alloying element Ti, Zr, Re.Adopt novel chromium, nickelalloy rotary casting to produce the method for high temperature resistance dirt corrosion boiler tube, comprise alloy smelting and rotary casting, concrete steps are as follows: (one) alloy smelting, ferrochrome is melted in electric furnace, and add afterwards nickel plate, molybdenum-iron, ferrosilicon, ferromanganese, copper alloy, control carbon content and reach requirement, after the stokehold adjusting component is qualified, melt temperature is increased to 1560-1620 ℃, adds the reductor deoxidation, when molten steel reaches tapping temperature, carry out microalloy treatment; (2) rotary casting, pour into spun cast pipe by molten steel by centre spinning method under argon shield, centrifugal casting modeling rotating speed is 2100-2300r/min.
Novel chromium provided by the invention, nickelalloy and adopt the method for this alloy centrifugal Foundry Production high temperature resistance dirt corrosion boiler tube, its beneficial effect is, in novel chromium, nickelalloy, contains enough Cr content, effectively avoids efflorescence; Novel chromium, nickelalloy are produced high temperature resistance dirt resistant alloy boiler tube with centre spinning method, and method is simple, cost is low; In centrifugal casting process, the centrifugal casting die rotating speed is 2100-2300r/min, improves more at ordinary times the 1.2-1.3 multiplying factor, effectively overcomes the poor problem of this material fluidity molten steel, improves its compactness.
Embodiment
Below in conjunction with an embodiment, to novel chromium provided by the invention, nickelalloy and adopt the method for this alloy centrifugal Foundry Production high temperature resistance dirt corrosion boiler tube to be described in detail.
Embodiment
Novel chromium, the nickelalloy of the present embodiment and adopt the method for this alloy centrifugal Foundry Production high temperature resistance dirt corrosion boiler tube, described novel chromium, nickelalloy chemical composition content are as follows: Si:0.3%-0.5%, Mn:0.3%-0.5%, P≤0.02%, S≤0.01%, Cr:24%-26%, Ni:59.3%-65.5%, Mo≤0.5%, Cu:0.03%-0.05%, Al:1.8%-2.4%, surplus are micro alloying element Ti, Zr, Re.Adopt novel chromium, nickelalloy rotary casting to produce the method for high temperature resistance dirt corrosion boiler tube, comprise alloy smelting and rotary casting, concrete steps are as follows: (one) alloy smelting, ferrochrome is melted in electric furnace, and add afterwards nickel plate, molybdenum-iron, ferrosilicon, ferromanganese, copper alloy, control carbon content and reach requirement, after the stokehold adjusting component is qualified, melt temperature is increased to 1600 ℃, adds the reductor deoxidation, when molten steel reaches tapping temperature, carry out microalloy treatment; (2) rotary casting, pour into spun cast pipe by molten steel by centre spinning method under argon shield, centrifugal casting modeling rotating speed is 2100r/min.
Adopt novel chromium, nickelalloy to analyze by chemical composition, mechanical property, weldprocedure, electron-microscope scanning, electronic probe, metallographic structure etc. inspections, result is substantially suitable with external 602CA alloy.Novel chromium, nickel alloy material high-temperature behavior are better than stocking, and parameters reaches design and operational requirement; With the high temperature resistance dirt corrosion boiler tube that rotary casting is produced, can replace import 602CA alloy rolled pipe, petrochemical industry methanol device radiation chamber boiler tube metal dusting problem is solved, filled up simultaneously the blank that China manufactures this alloy production, also innovated with rotary casting and replaced complex procedures, rolling method that production cost is high.
Claims (2)
1. a novel chromium, nickelalloy, it is characterized in that: this alloy composition content is as follows: Si:0.3%-0.5%, Mn:0.3%-0.5%, P≤0.02%, S≤0.01%, Cr:24%-26%, Ni:59.3%-65.5%, Mo≤0.5%, Cu:0.03%-0.05%, Al:1.8%-2.4%, surplus are micro alloying element Ti, Zr, Re.
2. adopt novel chromium claimed in claim 1, nickelalloy rotary casting to produce the method for high temperature resistance dirt corrosion boiler tube, it is characterized in that: described method comprises alloy smelting and rotary casting, concrete steps are as follows: (one) alloy smelting, ferrochrome is melted in electric furnace, add afterwards nickel plate, molybdenum-iron, ferrosilicon, ferromanganese, copper alloy, control carbon content and reach requirement, after the stokehold adjusting component is qualified, melt temperature is increased to 1560-1620 ℃, add the reductor deoxidation, when molten steel reaches tapping temperature, carry out microalloy treatment; (2) rotary casting, pour into spun cast pipe by molten steel by centre spinning method under argon shield, centrifugal casting modeling rotating speed is 2100-2300r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310273107.9A CN103409664B (en) | 2013-07-02 | 2013-07-02 | Chromium, nickelalloy and adopt this alloy centrifugal Foundry Production high temperature resistance dirtization to corrode the method for boiler tube |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310273107.9A CN103409664B (en) | 2013-07-02 | 2013-07-02 | Chromium, nickelalloy and adopt this alloy centrifugal Foundry Production high temperature resistance dirtization to corrode the method for boiler tube |
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| Publication Number | Publication Date |
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| CN103409664A true CN103409664A (en) | 2013-11-27 |
| CN103409664B CN103409664B (en) | 2016-04-27 |
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| CN201310273107.9A Active CN103409664B (en) | 2013-07-02 | 2013-07-02 | Chromium, nickelalloy and adopt this alloy centrifugal Foundry Production high temperature resistance dirtization to corrode the method for boiler tube |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107739894A (en) * | 2017-10-26 | 2018-02-27 | 青岛元鼎热工环保有限公司 | The manufacture method of high temperature resistance dirt alloy material and high temperature resistance dirt alloy pipe |
| CN110421133A (en) * | 2019-07-25 | 2019-11-08 | 北京工业大学 | A kind of preparation method of centrifugal casting Ethylene Cracking Furnace Tubes |
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|---|---|---|---|---|
| JPS62158848A (en) * | 1986-01-07 | 1987-07-14 | Sumitomo Metal Ind Ltd | High-strength ni-base alloy excellent in corrosion resistance |
| CN1463296A (en) * | 2001-06-19 | 2003-12-24 | 住友金属工业株式会社 | Metal material having good resistance to metal dusting |
| CN1253275C (en) * | 2001-06-11 | 2006-04-26 | 三德美国有限公司 | Centrifugal casting nickel base super alloys in isotropic graphite molds under vacuum |
| CN1974816A (en) * | 2006-12-08 | 2007-06-06 | 杭正奎 | High temperature Ni-Cr alloy and its production process |
| CN100453670C (en) * | 2004-06-30 | 2009-01-21 | 住友金属工业株式会社 | Ni base alloy pipe stock and method for manufacturing the same |
-
2013
- 2013-07-02 CN CN201310273107.9A patent/CN103409664B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62158848A (en) * | 1986-01-07 | 1987-07-14 | Sumitomo Metal Ind Ltd | High-strength ni-base alloy excellent in corrosion resistance |
| CN1253275C (en) * | 2001-06-11 | 2006-04-26 | 三德美国有限公司 | Centrifugal casting nickel base super alloys in isotropic graphite molds under vacuum |
| CN1463296A (en) * | 2001-06-19 | 2003-12-24 | 住友金属工业株式会社 | Metal material having good resistance to metal dusting |
| CN100453670C (en) * | 2004-06-30 | 2009-01-21 | 住友金属工业株式会社 | Ni base alloy pipe stock and method for manufacturing the same |
| CN1974816A (en) * | 2006-12-08 | 2007-06-06 | 杭正奎 | High temperature Ni-Cr alloy and its production process |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107739894A (en) * | 2017-10-26 | 2018-02-27 | 青岛元鼎热工环保有限公司 | The manufacture method of high temperature resistance dirt alloy material and high temperature resistance dirt alloy pipe |
| CN110421133A (en) * | 2019-07-25 | 2019-11-08 | 北京工业大学 | A kind of preparation method of centrifugal casting Ethylene Cracking Furnace Tubes |
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| Publication number | Publication date |
|---|---|
| CN103409664B (en) | 2016-04-27 |
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