CN108220783A - A kind of austenite heat-resistance stainless steel and its manufacturing method - Google Patents
A kind of austenite heat-resistance stainless steel and its manufacturing method Download PDFInfo
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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Abstract
Present invention relates particularly to a kind of austenite heat-resistance stainless steel and its manufacturing method, the austenite heat-resistance stainless steel includes following weight percent composition：0 ＜ C≤0.2%, 0 ＜ S≤0.02%, 0 ＜ P≤0.02%, 0 ＜ Si≤1.0%, 0 ＜ Ti≤0.2%, 0 ＜ V≤0.2%, Co 1.0 4.0%, N 0.3 0.5%, Mn 1.0 2.0%, Cr 19.0 25.0%, Ni 15.0 19.0%, Mo 0.1 0.7%, Nb 1.0 3.0%, B 0.005 0.01%, Zr 0.005 0.01%, Ba 0.001 0.01%, rare earth element 0.01 0.1%, surplus is Fe, the austenitic stainless steel temperature antioxygenic property is good, high temperature resistant creep rupture strength is excellent.
Description
Technical field
The invention belongs to austenitic stainless steel technical fields, and in particular to a kind of austenite heat-resistance stainless steel and its manufacturer
Method.
Background technology
Coal-fired thermal power generation is China's main forms of electricity generation at present, accounts for the supply of electric power in more than 60% China.Firepower
Electricity generation system mainly by combustion system (using boiler as core), boiler circuit (mainly by all kinds of pumps, feed-water heater, condenser,
The compositions such as pipeline, water-cooling wall), electrical system (based on steam turbine generator, main transformer etc.), control system etc. form.The first two
Person generates high temperature and high pressure steam；Electrical system is realized by thermal energy, mechanical energy to electric conversion of energy；Control system ensures each system peace
Entirely, rationally, economical operation.
But China's thermal power generation unit is averaged, and generating efficiency is relatively low, and energy consumption is relatively high.The thermal energy profit of big thermoelecrtic power plant
60%~70% is also can only achieve with rate.In addition, environmental pollution caused by a large amount of fire coals of thermal power generation, also becomes and increasingly induces one to close
The problem of note.Therefore, the major issue of thermal power generation is how to improve the thermal efficiency, and main method is exactly to improve the parameter of boiler
(pressure and temperature of steam).And it is to realize that this target is most economical and effective using the fired power generating unit of large capacity, high parameter
One of measure.
Therefore, develop the ultra supercritical coal-fired unit of high parameter, the high-efficiency cleaning of coal resources in China is utilized and energy saving
Emission reduction is of great significance to and application value, and current 600 DEG C of ultra supercritical coal-fired units are commercial elder generations of China
Into coal-fired thermal power generating technology.
High-temperature structural material is to realize the advanced most important material of Extra Supercritical Thermal Power Generation Technique, and Service Environment requires it
It is steady to have excellent high temperature oxidation resistance, creep rupture strength, anti-flue gas corrosion performance, high tenacity and good institutional framework
It is qualitative etc..
Invention content
Invention broadly provides a kind of austenite heat-resistance stainless steel and its manufacturing method, which resists
Oxidation susceptibility is good, and high temperature resistant creep rupture strength is excellent.Its technical solution is as follows：
A kind of austenite heat-resistance stainless steel, including following weight percent composition：0 ＜ C≤0.2%, 0 ＜ S≤
0.02%th, 0 ＜ P≤0.02%, 0 ＜ Si≤1.0%, 0 ＜ Ti≤0.2%, 0 ＜ V≤0.2%, Co 1.0-4.0%, N 0.3-
0.5%th, Mn 1.0-2.0%, Cr 19.0-25.0%, Ni 15.0-19.0%, Mo 0.1-0.7%, Nb 1.0-3.0%, B
0.005-0.01%, Zr 0.005-0.01%, Ba 0.001-0.01%, rare earth element 0.01-0.1%, surplus Fe.
Preferably, the rare earth element is one or more of lanthanum, cerium, yttrium.
Preferably, the rare earth element is one or more of lanthanum, cerium, yttrium and one kind in praseodymium, neodymium, promethium, samarium
Or it several is composed.
Preferably, the quality of any one element accounts for rare earth element total amount less than or equal to 51% in lanthanum, cerium and yttrium, and
The quality of arbitrary two kinds of elements accounts for rare earth element total amount more than or equal to 99.5% in lanthanum, cerium and yttrium.
The manufacturing method of above-mentioned austenite heat-resistance stainless steel, the method includes smelting, ingot casting or ingot formation, hot rolling,
Hot-roll annealing pickling, cold rolling after annealing pickling.
Preferably, it is described smelting be specifically, using vaccum sensitive stove, electric furnace and external refining, converter and external refining,
Mine heat furnace smelting chromium hot melt and any one of ferronickel water and external refining smelt the other components in addition to rare earth element, are going out
Rare earth element is added in before steel casting, cast temperature is 1500-1650 DEG C.
Preferably, by the way of the ingot casting or ingot formation send hot rolling using hammer cogging or directly, heating temperature is
1000-1250 DEG C, cogging initial forging temperature is 1050-1200 DEG C, and final forging temperature is 900-1000 DEG C, air-cooled after forging.
Preferably, when carrying out hot rolling, blank heating temperature is 1000-1250 DEG C, and start rolling temperature is 1050-1200 DEG C, eventually
It is 900-1000 DEG C to roll temperature, then air-cooled.
Preferably, the specific method of hot-roll annealing pickling is that steel forging is made or hot-roll annealing simultaneously pickling, annealing temperature are
900-1050 DEG C, 2-5 minutes are kept the temperature, pickling after furnace cooling to room temperature.
Preferably, during the pickling of cold rolling after annealing, annealing temperature is 900-1050 DEG C, keeps the temperature 1-5 minutes, air-cooled rear pickling.
Austenite heat-resistance stainless steel has a wide range of applications in ultra supercritical coal-fired unit, mainly for the manufacture of in boiler
The crucial high-temperature component such as heat exchanger.The present invention has considered the factors such as production cost and performance, has developed one kind
Composition design rationally, creep rupture strength and the good austenite heat-resistance stainless steel of high temperature oxidation resistance, and processing performance and
It is cost-effective, it can be widely used for the finishing superheater of ultra supercritical coal-fired unit boiler and reheater and various burners, heat-resisting
On the component of the high temperature oxidation resistances such as device.Its design principle is as follows：
Design is optimized to the ingredient of austenitic heat-resistance steel in the present invention, is added to rare earth element, and rare earth passes through solid solution
Invigoration effect improves the resistance to creep rupture strength of high temperature of heat resisting steel and high temperature toughness；By improving the chromium content in heat resisting steel, to reach
To the performance for improving resistance to high temperature oxidation and high-temperature steam corrosion；In addition, niobium and vanadium as alloying element can and carbon, nitrogen have compared with
Strong chemical combination can form stable carbonitride hardening constituent, improve the elevated temperature strength of steel.
In addition, the still another feature of the present invention is to add in rare earth element ce or La or Y and their mischmetal and alkaline earth
Barium metal element is acted on by the combined microalloying of rare earth and barium element, plays dual solid solution strengthening effect；Using both
The effect of crystal boundary is enriched in higher surface-active to improve grain boundary structure, improves grain-boundary strength；In addition, rare earth and barium
Element can inhibit the speed of growth of oxide layer under heat resisting steel high temperature, and oxide layer is made to be well combined with matrix, make matrix not by into one
Step oxidation, so as to improve the high temperature oxidation resistance of heat resisting steel.
Using the above scheme, the present invention has the following advantages：
The high temperature oxidation resistance of alloy of the present invention is excellent, also with preferable mechanical property.Its high-temperature oxidation resistance
Commercial Incoloy800 and HR3C austenitic stainless steels are superior to, and its cost is far below two kinds of commercializations not with mechanical behavior under high temperature
Become rusty steel；In addition, the normal temperature mechanical property tensile strength of alloy of the present invention, impact flexibility etc. be also much better than Incoloy800 and
HR3C austenitic stainless steels.
Specific embodiment
Experimental method in following embodiment is conventional method unless otherwise required, involved experiment reagent and material
Material is conventional biochemical reagent and material unless otherwise required.
Embodiment 1-13
The ingredient of austenitic stainless steel is shown in Table 1 in embodiment 1-13.The specific manufacturing method of austenitic stainless steel is such as
Under：
(1) it smelts：Vaccum sensitive stove, electric furnace and external refining, converter and external refining, mine heat furnace smelting chromium hot melt and nickel
Any one of molten iron and external refining smelt the other components in addition to rare earth element, and rare earth member is added in before tapping is cast
Element, cast temperature are controlled at 1500-1650 DEG C；
(2) ingot casting or ingot formation：By the way of using hammer cogging or directly sending hot rolling, heating temperature 1000-1250
DEG C, cogging initial forging temperature is 1050-1200 DEG C, and final forging temperature is 900-1000 DEG C, air-cooled after forging；
(3) hot rolling：1000-1250 DEG C of blank heating temperature during hot rolling, start rolling temperature control is at 1050-1200 DEG C, finish to gauge
Temperature is controlled at 900-1000 DEG C, air-cooled；
(4) hot-roll annealing pickling：Steel forging makes or hot-roll annealing simultaneously pickling, annealing temperature are 900-1050 DEG C, heat preservation
2-5 minutes, simultaneously pickling after furnace cooling to room temperature；
(5) cold rolling after annealing pickling：Cold rolling after annealing temperature is 900-1050 DEG C, and processing time is heat preservation 1-5 minutes, empty
Simultaneously pickling after cold.
The samples such as the mechanical property of austenitic stainless steel of the present invention and high-temperature oxidation resistance carry out directly after hot rolling
It is laterally sampled on the plank of heat treatment.
Comparative example 1-2
Tri- kinds of alloying components of commercial Incoloy800 and HR3C, are labeled as comparative example 1 and comparative example 2, ingredient is shown in successively
Shown in table 1.Contrast test carries out under the experimental conditions such as identical mechanical property and high temperature oxidation resistance.
The chemical composition of 1 embodiment 1-13 of table and comparative example 1-2 alloys
(table 1 is continuous)
Performance measurement
Stainless steel mechanical property, the high temperature for measuring stainless steel and comparative example 1-2 grades of steel described in embodiment 1-13 respectively are drawn
Performance, high temperature endurance performance, high-temperature oxidation resistance contrast test are stretched, concrete outcome see the table below 2.
Stainless steel and the room-temperature mechanical property of comparative example 1-2 alloys prepared by 2 embodiment 1-13 of table
Stainless steel and the high temperature tensile properties of comparative example 1-2 alloys prepared by 3 embodiment 1-13 of table
Stainless steel and the high temperature endurance performance of comparative example 1-2 alloys prepared by 4 embodiment 1-13 of table
Stainless steel made from 5 embodiment 1-13 of table and comparative example 1, the high-temperature oxydation data of 2 alloys
It will be apparent to those skilled in the art that technical solution that can be as described above and design, make other various
Corresponding change and deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (10)
1. a kind of austenite heat-resistance stainless steel, including following weight percent composition：0 ＜ C≤0.2%, 0 ＜ S≤0.02%,
0 ＜ P≤0.02%, 0 ＜ Si≤1.0%, 0 ＜ Ti≤0.2%, 0 ＜ V≤0.2%, Co 1.0-4.0%, N 0.3-0.5%,
Mn 1.0-2.0%, Cr 19.0-25.0%, Ni 15.0-19.0%, Mo 0.1-0.7%, Nb 1.0-3.0%, B 0.005-
0.01%th, Zr 0.005-0.01%, Ba 0.001-0.01%, rare earth element 0.01-0.1%, surplus Fe.
2. austenite heat-resistance stainless steel according to claim 1, it is characterised in that：The rare earth element is lanthanum, cerium, yttrium member
One or more of element.
3. austenite heat-resistance stainless steel according to claim 1, it is characterised in that：The rare earth element is lanthanum, cerium, yttrium member
One or more of element is composed with one or more of praseodymium, neodymium, promethium, samarium.
4. austenite heat-resistance stainless steel according to claim 3, it is characterised in that：Any one in lanthanum, cerium and yttrium
The quality of element accounts for rare earth element total amount less than or equal to 51%, and in lanthanum, cerium and yttrium the quality of arbitrary two kinds of elements account for it is dilute
Earth elements total amount is more than or equal to 99.5%.
5. a kind of manufacturing method of austenite heat-resistance stainless steel described in claim 1, it is characterised in that：The method includes smeltings
Refining, ingot casting or ingot formation, hot rolling, hot-roll annealing pickling, cold rolling after annealing pickling.
6. the manufacturing method of austenite heat-resistance stainless steel according to claim 5, it is characterised in that：It is described to smelt specifically
For using vaccum sensitive stove, electric furnace and external refining, converter and external refining, mine heat furnace smelting chromium hot melt and ferronickel water and stove
The other components in addition to rare earth element are smelted in any one of outer refining, and rare earth element, casting temperature are added in before tapping is cast
Spend is 1500-1650 DEG C.
7. the manufacturing method of austenite heat-resistance stainless steel according to claim 5, it is characterised in that：The ingot casting or ingot casting
By the way of cogging send hot rolling using hammer cogging or directly, heating temperature is 1000-1250 DEG C, and cogging initial forging temperature is 1050-
1200 DEG C, final forging temperature is 900-1000 DEG C, air-cooled after forging.
8. the manufacturing method of austenite heat-resistance stainless steel according to claim 5, it is characterised in that：When carrying out hot rolling, base
It is 1000-1250 DEG C to expect heating temperature, and start rolling temperature is 1050-1200 DEG C, and finishing temperature is 900-1000 DEG C, then air-cooled.
9. the manufacturing method of austenite heat-resistance stainless steel according to claim 5, it is characterised in that：Hot-roll annealing pickling
Specific method is that steel forging makes or hot-roll annealing simultaneously pickling, annealing temperature are 900-1050 DEG C, 2-5 minutes is kept the temperature, with furnace cooling
But to pickling after room temperature.
10. the manufacturing method of austenite heat-resistance stainless steel according to claim 5, it is characterised in that：Cold rolling after annealing acid
When washing, annealing temperature is 900-1050 DEG C, keeps the temperature 1-5 minutes, air-cooled rear pickling.
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Cited By (11)
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|---|---|---|---|---|
| CN109355596A (en) * | 2018-12-22 | 2019-02-19 | 中南大学 | A kind of cupric hafnium cobalt high corrosion-resisting austenite stainless steel and its process and heat treatment method |
| CN109750211A (en) * | 2019-01-22 | 2019-05-14 | 华能国际电力股份有限公司 | High-niobium austenitic heat-resistant steel with high structure stability at 700 ℃ and preparation method thereof |
| CN109930067A (en) * | 2019-03-20 | 2019-06-25 | 太原钢铁(集团)有限公司 | Heat-proof corrosion-resistant austenitic stainless steel and preparation method thereof |
| CN110331327A (en) * | 2019-06-13 | 2019-10-15 | 青岛经济技术开发区海尔热水器有限公司 | Corrosion-resistant stainless steel material, heating pipe using material and application of material |
| CN111575585A (en) * | 2020-05-27 | 2020-08-25 | 江苏联峰实业有限公司 | Wear-resistant and high-strength carbon structural steel material |
| CN112899568A (en) * | 2021-01-18 | 2021-06-04 | 山西太钢不锈钢股份有限公司 | High-temperature oxidation resistant austenitic stainless steel |
| WO2023284391A1 (en) * | 2021-07-14 | 2023-01-19 | 山西太钢不锈钢股份有限公司 | Thermal processing method for niobium-containing high-alloy austenitic heat-resistant stainless steel bar |
| CN115772635A (en) * | 2022-11-23 | 2023-03-10 | 江苏新华合金有限公司 | Cr25Ni20Si2 heat-resistant steel bar and manufacturing method thereof |
| US20230151465A1 (en) * | 2021-11-15 | 2023-05-18 | Korea Institute Of Industrial Technology | Fe-based alloy |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4999158A (en) * | 1986-12-03 | 1991-03-12 | Chrysler Corporation | Oxidation resistant iron base alloy compositions |
| JPH11189848A (en) * | 1997-12-25 | 1999-07-13 | Sumitomo Metal Ind Ltd | Austenitic stainless steel excellent in sulfuric acid corrosion resistance |
| CN101784687A (en) * | 2007-10-03 | 2010-07-21 | 住友金属工业株式会社 | Austenitic stainless steel |
| CN101906595A (en) * | 2010-07-16 | 2010-12-08 | 北京科技大学 | Austenite heat-resistance stainless steel forming Al2O3 protective layer spontaneously |
| CN101935807A (en) * | 2010-09-10 | 2011-01-05 | 钢铁研究总院 | Rare earth yttrium-containing nickel-saving austenite heat-resistant stainless steel and preparation method thereof |
| CN103620078A (en) * | 2011-06-28 | 2014-03-05 | 新日铁住金株式会社 | Austenitic stainless steel pipe |
| CN104711493A (en) * | 2015-04-08 | 2015-06-17 | 华北理工大学 | Nickel-saving rare-earth/barium-containing biphase stainless steel alloy material and preparation method thereof |
| CN107541662A (en) * | 2017-09-29 | 2018-01-05 | 江苏理工学院 | A kind of corrosion resistant ferritic stainless steel alloy material and preparation method thereof |
-
2018
- 2018-01-31 CN CN201810095204.6A patent/CN108220783A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4999158A (en) * | 1986-12-03 | 1991-03-12 | Chrysler Corporation | Oxidation resistant iron base alloy compositions |
| JPH11189848A (en) * | 1997-12-25 | 1999-07-13 | Sumitomo Metal Ind Ltd | Austenitic stainless steel excellent in sulfuric acid corrosion resistance |
| CN101784687A (en) * | 2007-10-03 | 2010-07-21 | 住友金属工业株式会社 | Austenitic stainless steel |
| CN101906595A (en) * | 2010-07-16 | 2010-12-08 | 北京科技大学 | Austenite heat-resistance stainless steel forming Al2O3 protective layer spontaneously |
| CN101935807A (en) * | 2010-09-10 | 2011-01-05 | 钢铁研究总院 | Rare earth yttrium-containing nickel-saving austenite heat-resistant stainless steel and preparation method thereof |
| CN103620078A (en) * | 2011-06-28 | 2014-03-05 | 新日铁住金株式会社 | Austenitic stainless steel pipe |
| CN104711493A (en) * | 2015-04-08 | 2015-06-17 | 华北理工大学 | Nickel-saving rare-earth/barium-containing biphase stainless steel alloy material and preparation method thereof |
| CN107541662A (en) * | 2017-09-29 | 2018-01-05 | 江苏理工学院 | A kind of corrosion resistant ferritic stainless steel alloy material and preparation method thereof |
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