CN101033526A - Nickel-base high-temperature alloy material for guide roller and heat treatment process thereof - Google Patents
Nickel-base high-temperature alloy material for guide roller and heat treatment process thereof Download PDFInfo
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- CN101033526A CN101033526A CN 200710063131 CN200710063131A CN101033526A CN 101033526 A CN101033526 A CN 101033526A CN 200710063131 CN200710063131 CN 200710063131 CN 200710063131 A CN200710063131 A CN 200710063131A CN 101033526 A CN101033526 A CN 101033526A
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- 239000000956 alloy Substances 0.000 title claims abstract description 52
- 238000010438 heat treatment Methods 0.000 title claims description 5
- 238000000034 method Methods 0.000 title abstract description 4
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 38
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 9
- 229910052742 iron Inorganic materials 0.000 claims abstract description 8
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 8
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 5
- 238000007669 thermal treatment Methods 0.000 claims description 31
- 238000001816 cooling Methods 0.000 claims description 14
- 238000003723 Smelting Methods 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 8
- 229910052684 Cerium Inorganic materials 0.000 claims description 7
- 229910052804 chromium Inorganic materials 0.000 claims description 7
- 229910052748 manganese Inorganic materials 0.000 claims description 7
- 229910052750 molybdenum Inorganic materials 0.000 claims description 7
- 229910000601 superalloy Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 18
- 230000003647 oxidation Effects 0.000 abstract description 5
- 238000007254 oxidation reaction Methods 0.000 abstract description 5
- 239000000203 mixture Substances 0.000 abstract description 4
- BKUKXOMYGPYFJJ-UHFFFAOYSA-N 2-ethylsulfanyl-1h-benzimidazole;hydrobromide Chemical compound Br.C1=CC=C2NC(SCC)=NC2=C1 BKUKXOMYGPYFJJ-UHFFFAOYSA-N 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000003245 working effect Effects 0.000 description 4
- 229910001566 austenite Inorganic materials 0.000 description 3
- 229910000734 martensite Inorganic materials 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229910001325 element alloy Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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Abstract
This invention relates to a new Ni base high temperature alloyed material used in rolls and its hot process technology, which takes K403 alloy as the base and adjusts composition of the alloy to eliminate Co element and adds W, Nb and Fe suitably to melt it in vacuum, then carries out different hot processes to get the nickel base alloy, which replaces traditional roll materials and has the performance of anti-high temperature and oxidation, anti-hot impact and high temperature intensity to prolong its life time.
Description
Technical field
The invention belongs to novel material preparation and Application Areas, particularly a kind of nickel-base high-temperature alloy material for guide roller and thermal treatment process thereof.
Background technology
Deflector roll is the vitals of milling train, is used for carrying section bar and wire rod to enter milling train smoothly.Along with mill milling speed improves, sliding guide (deflector roll) is replaced by rolling guide gradually.Because the complexity of Working environment, deflector roll is short work-ing life, and deflector roll has become the main consumable part on the high-speed rod-rolling mill.At present, the deflector roll material that adopts usually both at home and abroad has three kinds.First kind is the high temperature steel with austenite structure; Second kind is wear resisting steel or the antifriction cast iron with martensitic stucture; The third is a Wimet.Austenitic heat-resistance steel has good high-temperature stability and toughness, but wears no resistance, quick abrasion.And the mutual adhesion proneness of austenite and wire rod (being organized as ferrite or austenite) itself is bigger, and steel bonding easily takes place.Martensitic stucture wear resisting steel and antifriction cast iron at room temperature have good wear resistance, but along with the raising of use temperature, martensite generation tempering, wear resistance can reduce.The Wimet deflector roll has good wear resistance and high-temperature stability, and its impelling strength is relatively poor.
One of key of guide and guards design is the selection of high-temperature anti-abrasion material, and traditional deflector roll material can not satisfy the high performance requirements of deflector roll, develops novel deflector roll material and seems particularly urgent.
Nickel base superalloy is along with air system grows up to the requirement that high-temperature material improves constantly, and mainly is used in high temperature parts such as blade material.The Working environment of blade is also very abominable, and high temperature blade not only is subjected to high temperature action, and is subjected to the effect of sound load, thermal fatigue, high-frequency vibration, low cycle fatigue, oxidation and high temperature corrosion.So require material to have very high high temperature tensile strength, creep rupture strength performance and good creep resisting ability.
Summary of the invention
The objective of the invention is to occur wearing and tearing under arms the time in order to solve traditional deflector roll material, frequent Problem of Failure such as crackle and fracture, and provide a kind of novel deflector roll with nickel-base high-temperature alloy material and thermal treatment process thereof.It is characterized in that based on the K403 alloy, by adjusting alloying constituent, by different thermal treatment process, the nickel base superalloy of melting improves, improves hardness of alloy.
The described deflector roll chemical constitution of nickel-base high-temperature alloy material: C 0.1～0.2wt%, Cr 10～15wt%, Nb 1～3wt%, W 5～9wt%, Mo 2～5wt%, B 0.01～0.1wt%, Al 2～5wt%, Ti1～4wt%, Ce 0.01～0.1wt%, Fe 9～12wt%, Si 0.1～1wt%, Mn 0.1～0.5wt%, the Ni surplus.
Described thermal treatment process may further comprise the steps:
1) molten alloy
Molten alloy is the conventional vacuum casting, and vacuum tightness is 0.1Pa, and mould is a swage, and smelting temperature is 1400～1500 ℃, and smelting time is 1.5h, 200～300 ℃ of mould shell temperatures;
2) thermal treatment process
The alloy of casting is carried out solution heat treatment 3～5h at 1140 ℃～1210 ℃, under the air cooling condition, carry out 960 ℃, the timeliness thermal treatment of 0～10h.
The invention has the beneficial effects as follows in order to improve hardness of alloy, designed the composition of alloy targetedly, thermal treatment can change alloy organizing effectively and improve hardness of alloy, improves its wear resisting property.Particularly the mutually strong material of γ ' is had good high temperature oxidation resistance, thermal shock resistance and hot strength, be greatly improved with respect to traditional deflector roll material its work-ing life, and bigger using value is arranged.Resulting nickel base superalloy replaces traditional deflector roll material, good high temperature oxidation resistance, thermal shock resistance and hot strength, and be greatly improved with respect to traditional deflector roll material its work-ing life, and bigger using value is arranged.Good development prospect is all being arranged aspect economic benefit and the environmental energy,
Embodiment
The present invention relates to a kind of novel deflector roll nickel-base high-temperature alloy material and thermal treatment process thereof.Characteristics of the present invention and effect: among the present invention, be based on the K403 alloy, in order to improve hardness of alloy, adjusted the composition of alloy targetedly, its chemical constitution is C 0.1～0.2wt%, Cr 10～15wt%, Nb 1～3wt%, W 5～9wt%, Mo 2～5wt%, B 0.01～0.1wt%, Al 2～5wt%, Ti 1～4wt%, Ce 0.01～0.1wt%, Fe 9～12wt%, Si 0.1～1wt%, Mn 0.1～0.5wt%, the Ni surplus.
Two factors are mainly considered in the adjustment of above-mentioned composition: performance and cost.At aspect of performance, for the raising hardness of alloy, improve its wear resistance, on the basis of K403 alloying constituent, add W.W mainly plays the solution strengthening effect, also is carbide forming element, and W mainly enters the alloy solid solution body, and the High temperature diffusion speed of the Al that slows down, Ti is strengthened atomic binding forces in the sosoloid, and softening rate slows down.Adding can improve the heat resistance of alloy significantly greater than the W of 6wt%.Increase W content in addition and can help forming M
6C.Carbide is the hard phase, helps improving hardness of alloy.Aspect cost, Co element relative price is more expensive, has therefore removed the Co element in the alloy.And suitable increase the content of Fe.To remove of the negative impact of Co element in order reducing, to have added minor N b element alloy property.Nb mainly enters γ ' phase, improves the stability of γ ' phase, and strengthens same solution.In addition, can also improve the welding and the processing performance of alloy.
Alloy organizing and performance have confidential relation, and thermal treatment can change alloy organizing and performance effectively.Particularly the mutually strong material of γ ' is had good high temperature oxidation resistance, thermal shock resistance and hot strength, be greatly improved with respect to traditional deflector roll material its work-ing life, and bigger using value is arranged.Therefore study heat treating regime is an importance of alloy research to the alloy Effect on Performance always.The thermal treatment of being carried out is all finished in the Conventional Heat Treatment stove, is divided into two stages of solid solution and timeliness.
Described thermal treatment process may further comprise the steps:
1) molten alloy
With above-mentioned molten alloy is the conventional vacuum casting, and vacuum tightness is 0.1Pa, and mould is a swage, and smelting temperature is 1400～1500 ℃, and smelting time is 1.5h, 200～300 ℃ of mould shell temperatures;
2) thermal treatment process
The alloy of casting is carried out solution heat treatment 3～5h at 1140 ℃～1210 ℃, under the air cooling condition, carry out 960 ℃, the timeliness thermal treatment of 0～10h.
Deflector roll will have good wear resistance, thermal shock resistance and heat conductivility etc.In the selection to the deflector roll material, its leading indicator is hardness, toughness, heat conductivility, antioxidant property and hot strength.Method of the present invention further describes as follows by embodiment:
Embodiment 1
According to following chemical ingredients: C 0.15wt%, Cr 11.7wt%, Nb 1.6wt%, W 7.9wt%, Mo 3.5wt%, B 0.02wt%, Al 3.5wt%, Ti 2wt%, Ce 0.07wt%, Fe 11.3wt%, Si 0.43wt%, Mn 0.1wt%, Ni surplus.
The conventional vacuum casting, vacuum tightness is 0.1Pa, mould is a swage, smelting temperature is 1400～1500 ℃, and smelting time is 1.5h, 200～300 ℃ of mould shell temperatures, melt out novel nickel base superalloy, then cast alloy has been carried out 1140 ℃, the thermal treatment of 4h, air cooling.
Embodiment 2
According to following chemical ingredients is C 0.15wt%, Cr 14wt%, Nb 2.5wt%, W 6wt%, Mo 3wt%, B 0.02wt%, Al 4.5wt%, Ti 3wt%, Ce 0.07wt%, Fe 9.5wt%, Si 0.43wt%, Mn 0.1wt%, Ni surplus.Heat-treat by embodiment 1 technology.
Embodiment 3
Embodiment 3 is identical with embodiment 1 on operation steps and experiment parameter, and difference from Example 1 is cast alloy is carried out 1200 ℃, 4h, the thermal treatment of air cooling.
Embodiment 4
Embodiment 4 is identical with embodiment 2 on operation steps and experiment parameter; Difference from Example 2 is cast alloy is carried out 1200 ℃, 4h, the thermal treatment of air cooling.
Embodiment 5
Embodiment 5 is identical with embodiment 1 on operation steps and experiment parameter, and difference from Example 1 is cast alloy is carried out 1190 ℃, the thermal treatment of 4h air cooling, carries out the timeliness thermal treatment of air cooling+960 ℃, 8h then.
Embodiment 6
Embodiment 6 is identical with embodiment 2 on operation steps and experiment parameter, and difference from Example 2 is cast alloy is carried out 1190 ℃, the thermal treatment of 4h air cooling, the timeliness thermal treatment of air cooling+960 ℃, 8h.
Claims (4)
1. a nickel-base high-temperature alloy material for guide roller is characterized in that, based on the deflector roll of K403 alloy with the chemical constitution of nickel-base high-temperature alloy material is: C 0.1～0.2wt%, Cr 10～15wt%, Nb 1～3wt%, W 5～9wt%, Mo 2～5wt%, B 0.01～0.1wt%, Al 2～5wt%, Ti 1～4wt%, Ce 0.01～0.1wt%, Fe 9～12wt%, Si 0.1～1wt%, Mn 0.1～0.5wt%, the Ni surplus.
2. the thermal treatment process of the described nickel-base high-temperature alloy material for guide roller of claim 1 is characterized in that, described thermal treatment process may further comprise the steps:
1) molten alloy
The nickel-base high-temperature alloy material of above-mentioned chemical constitution is carried out the conventional vacuum casting, and vacuum tightness 0.1Pa, mould are swage, and smelting temperature is 1400～1500 ℃, and smelting time is 1.5h, 200～300 ℃ of mould shell temperatures;
2) thermal treatment process
The alloy of casting is carried out solution heat treatment 3～5h at 1140 ℃～1210 ℃, again under the air cooling condition, carry out 960 ℃, the timeliness thermal treatment of 0～10h.
3. according to the thermal treatment process of the described nickel-base high-temperature alloy material for guide roller of claim 2, it is characterized in that, according to chemical constitution be: C 0.15wt%, Cr 11.7wt%, Nb 1.6wt%, W 7.9wt%, Mo 3.5wt%, B 0.02wt%, Al 3.5wt%, Ti 2wt%, Ce 0.07wt%, Fe 11.3wt%, Si 0.43wt%, Mn 0.1wt%, the nickel-base high-temperature alloy material of Ni surplus carries out the conventional vacuum casting, vacuum tightness is 0.1Pa, and mould is a swage, and smelting temperature is 1400～1500 ℃, smelting time is 1.5h, 200～300 ℃ of mould shell temperatures have melted out novel nickel base superalloy, then cast alloy are carried out 1140 ℃ or 1190 ℃, the thermal treatment of 4h air cooling; Or carry out the timeliness thermal treatment of air cooling+960 ℃, 8h again.
4. according to the thermal treatment process of the described nickel-base high-temperature alloy material for guide roller of claim 2, it is characterized in that, according to chemical constitution is C 0.15wt%, Cr 14wt%, Nb 2.5wt%, W 6wt%, Mo 3wt%, B 0.02wt%, Al 4.5wt%, Ti 3wt%, Ce 0.07wt%, Fe 9.5wt%, Si 0.43wt%, Mn 0.1wt%, the nickel-base high-temperature alloy material of Ni surplus carries out the conventional vacuum casting, vacuum tightness is 0.1Pa, and mould is a swage, and smelting temperature is 1400～1500 ℃, smelting time is 1.5h, 200～300 ℃ of mould shell temperatures have melted out novel nickel base superalloy, then cast alloy are carried out 1140 ℃ or 1190 ℃, the thermal treatment of 4h air cooling; Or carry out the timeliness thermal treatment of air cooling+960 ℃, 8h again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100631314A CN100482840C (en) | 2007-01-29 | 2007-01-29 | Nickel-base high-temperature alloy material for guide roller and heat treatment process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100631314A CN100482840C (en) | 2007-01-29 | 2007-01-29 | Nickel-base high-temperature alloy material for guide roller and heat treatment process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101033526A true CN101033526A (en) | 2007-09-12 |
| CN100482840C CN100482840C (en) | 2009-04-29 |
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| CNB2007100631314A Expired - Fee Related CN100482840C (en) | 2007-01-29 | 2007-01-29 | Nickel-base high-temperature alloy material for guide roller and heat treatment process thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107260A (en) * | 2010-12-07 | 2011-06-29 | 陕西宏远航空锻造有限责任公司 | Method for casting large-scale K403 high-temperature alloy die for isothermal forging |
| CN102951584A (en) * | 2012-11-20 | 2013-03-06 | 无锡康柏斯机械科技有限公司 | Electromagnetic induction port-sealing machine |
| CN103556093A (en) * | 2013-10-30 | 2014-02-05 | 西安航空动力股份有限公司 | Method for improving cold forming performance of GH4090 cold-rolled band |
| CN106566951A (en) * | 2015-10-10 | 2017-04-19 | 丹阳市华龙特钢有限公司 | High-strength wear-resistant forging and production method thereof |
| CN108913952A (en) * | 2018-07-27 | 2018-11-30 | 南京工程学院 | A kind of high temperature alloy and preparation method thereof |
| CN111225991A (en) * | 2017-10-03 | 2020-06-02 | 日本制铁株式会社 | Austenitic stainless steel weld metal and welded structure |
-
2007
- 2007-01-29 CN CNB2007100631314A patent/CN100482840C/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102107260A (en) * | 2010-12-07 | 2011-06-29 | 陕西宏远航空锻造有限责任公司 | Method for casting large-scale K403 high-temperature alloy die for isothermal forging |
| CN102107260B (en) * | 2010-12-07 | 2012-07-04 | 陕西宏远航空锻造有限责任公司 | Method for casting large-scale K403 high-temperature alloy die for isothermal forging |
| CN102951584A (en) * | 2012-11-20 | 2013-03-06 | 无锡康柏斯机械科技有限公司 | Electromagnetic induction port-sealing machine |
| CN102951584B (en) * | 2012-11-20 | 2015-09-16 | 江苏高博智融科技有限公司 | A kind of electromagnetic induction capper |
| CN103556093A (en) * | 2013-10-30 | 2014-02-05 | 西安航空动力股份有限公司 | Method for improving cold forming performance of GH4090 cold-rolled band |
| CN103556093B (en) * | 2013-10-30 | 2015-08-12 | 西安航空动力股份有限公司 | A kind of method improving GH4090 cold-strip cold forming capability |
| CN106566951A (en) * | 2015-10-10 | 2017-04-19 | 丹阳市华龙特钢有限公司 | High-strength wear-resistant forging and production method thereof |
| CN111225991A (en) * | 2017-10-03 | 2020-06-02 | 日本制铁株式会社 | Austenitic stainless steel weld metal and welded structure |
| CN108913952A (en) * | 2018-07-27 | 2018-11-30 | 南京工程学院 | A kind of high temperature alloy and preparation method thereof |
| CN108913952B (en) * | 2018-07-27 | 2020-04-03 | 南京工程学院 | High-temperature alloy and preparation method thereof |
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| CN100482840C (en) | 2009-04-29 |
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