WO2022179560A1 - 一种高温设备用钢板及其制造方法 - Google Patents
一种高温设备用钢板及其制造方法 Download PDFInfo
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- steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 365
- 239000010959 steel Substances 0.000 title claims abstract description 365
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 47
- 230000008569 process Effects 0.000 claims abstract description 35
- 238000005496 tempering Methods 0.000 claims abstract description 34
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 26
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 25
- 239000000956 alloy Substances 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000001301 oxygen Substances 0.000 claims abstract description 24
- 229910018505 Ni—Mg Inorganic materials 0.000 claims abstract description 21
- 238000010791 quenching Methods 0.000 claims abstract description 18
- 230000000171 quenching effect Effects 0.000 claims abstract description 18
- 238000003723 Smelting Methods 0.000 claims abstract description 16
- 238000005096 rolling process Methods 0.000 claims abstract description 16
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 14
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 13
- 239000012535 impurity Substances 0.000 claims abstract description 9
- 229910052729 chemical element Inorganic materials 0.000 claims abstract description 8
- 239000002244 precipitate Substances 0.000 claims description 40
- 238000001556 precipitation Methods 0.000 claims description 24
- 239000002245 particle Substances 0.000 claims description 10
- 229910052804 chromium Inorganic materials 0.000 claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 229910052720 vanadium Inorganic materials 0.000 claims description 8
- 229910052758 niobium Inorganic materials 0.000 claims description 7
- 229910052749 magnesium Inorganic materials 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 238000009749 continuous casting Methods 0.000 claims description 4
- 230000001186 cumulative effect Effects 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 2
- 238000005266 casting Methods 0.000 abstract description 5
- 238000006392 deoxygenation reaction Methods 0.000 abstract 5
- 239000002253 acid Substances 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 34
- 229910001566 austenite Inorganic materials 0.000 description 16
- 238000013461 design Methods 0.000 description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 230000000694 effects Effects 0.000 description 13
- 239000000203 mixture Substances 0.000 description 13
- 239000000126 substance Substances 0.000 description 13
- 238000001816 cooling Methods 0.000 description 12
- 238000009628 steelmaking Methods 0.000 description 10
- 238000005204 segregation Methods 0.000 description 9
- 229910052718 tin Inorganic materials 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 230000009466 transformation Effects 0.000 description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
- 229910052787 antimony Inorganic materials 0.000 description 6
- 229910052785 arsenic Inorganic materials 0.000 description 6
- 239000011575 calcium Substances 0.000 description 6
- 150000001247 metal acetylides Chemical class 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000006104 solid solution Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 4
- 239000000292 calcium oxide Substances 0.000 description 4
- 230000006911 nucleation Effects 0.000 description 4
- 238000010899 nucleation Methods 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 229910001563 bainite Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000003313 weakening effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- JGIATAMCQXIDNZ-UHFFFAOYSA-N calcium sulfide Chemical compound [Ca]=S JGIATAMCQXIDNZ-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000001627 detrimental effect Effects 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 238000009863 impact test Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001257 Nb alloy Inorganic materials 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000021332 multicellular organism growth Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 238000004627 transmission electron microscopy Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/06—Deoxidising, e.g. killing
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- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
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- C21D1/26—Methods of annealing
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- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/60—Aqueous agents
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- C21D6/00—Heat treatment of ferrous alloys
- C21D6/002—Heat treatment of ferrous alloys containing Cr
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/021—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular fabrication or treatment of ingot or slab
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
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- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
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- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C21D2211/00—Microstructure comprising significant phases
- C21D2211/004—Dispersions; Precipitations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
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Abstract
Description
Claims (15)
- 一种高温设备用钢板,其特征在于,所述钢板以质量百分比计包含如下化学元素:C:0.09%至0.19%,Mn:0.2%至0.7%,Ti:0.008%至0.02%,Cr:1.80%至3.2%,Mo:0.80%至1.70%,酸溶性Al:0.005%至0.015%,Nb:0.020%至0.050%,V:0.15%至0.50%,Mg:0.0005%至0.0050%;余量为Fe和不可避免的杂质。
- 如权利要求1所述的高温设备用钢板,其特征在于,所述高温设备用钢板中具有弥散分布的纳米级含Mg夹杂物。
- 如权利要求1或2所述的高温设备用钢板,其特征在于,所述钢板还含有下述化学元素中的至少一种:0<Ca≤0.0050%、0<Ni≤0.6%、0<B≤0.0015%、0<Cu≤0.5%。
- 如权利要求1或2所述的高温设备用钢板,其特征在于,在不可避免的杂质中,P≤0.016%,S≤0.010%,N≤0.004%,O≤0.005%。
- 如权利要求1或2所述的高温设备用钢板,其特征在于,所述钢板中尺寸小于800nm的含Mg夹杂物的体积密度大于6×10 6个/mm 3。
- 如权利要求1或2所述的高温设备用钢板,其特征在于,所述钢板还具有纳米级的MC析出相,其中M表示Nb、V、Mo、Cr中的一种或多种,所述MC析出相的平均粒径小于200nm。
- 如权利要求6所述的高温设备用钢板,其特征在于,所述钢板中尺寸小于500nm的MC析出相的体积密度大于3.0×10 6个/mm 3。
- 如权利要求6所述的高温设备用钢板,其特征在于,所述钢板中尺寸小于100nm的MC析出相占全部MC析出相的比例大于50%。
- 如权利要求1或2所述的高温设备用钢板,其特征在于,所述钢板的厚度≥5mm。
- 如权利要求1或2所述的高温设备用钢板,其特征在于,所述钢板的抗回火脆化能力T tr≤-60℃。
- 如权利要求1-10中任意一项所述的高温设备用钢板的制造方法,其特征在于,所述方法包括如下步骤:(1)对钢水进行冶炼和连铸,获得铸坯:在冶炼过程中,向钢水中依次加入脱氧剂Mn、Al、Ti、Mg/Ni-Mg合金,对钢水进行脱氧,脱氧包括预脱氧和终脱氧,其中,先依次加入Mn、Al和Ti进行预脱氧,预脱氧后钢水的氧位为0.0015%至0.0085%,然后加入Mg/Ni-Mg合金进行终脱氧;(2)对铸坯进行轧制,获得钢板;以及(3)对钢板进行淬火和回火热处理。
- 如权利要求11所述的制造方法,其特征在于,在步骤(2)中,将铸坯加热到1120至1230℃进行轧制,终轧温度为930℃以上,总累计压下率大于70%。
- 如权利要求11所述的制造方法,其特征在于,在步骤(3)中,淬火温度为890至950℃,淬火保温时间为T至2.5T min,保温结束,出炉水冷至室温,其中T代表钢板厚度,单位为mm。
- 如权利要求11或13所述的制造方法,其特征在于,在步骤(3)中,对淬火后的钢板进行回火,回火温度为695至745℃,回火保温时间为2.0T至3.5T min,其中T代表钢板厚度,单位为mm。
- 如权利要求11-13中任一项所述的制造方法,其特征在于,所述Ni-Mg合金为铁皮包裹的Ni-Mg合金。
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JP2024507922A (ja) | 2024-02-21 |
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