JP2020509159A - スーパーオーステナイトステンレス鋼圧延複合鋼板及びその製造方法 - Google Patents
スーパーオーステナイトステンレス鋼圧延複合鋼板及びその製造方法 Download PDFInfo
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 93
- 239000010959 steel Substances 0.000 title claims abstract description 93
- 239000002131 composite material Substances 0.000 title claims abstract description 85
- 229910000963 austenitic stainless steel Inorganic materials 0.000 title claims abstract description 80
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000005096 rolling process Methods 0.000 claims abstract description 25
- 238000005304 joining Methods 0.000 claims abstract description 16
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052729 chemical element Inorganic materials 0.000 claims abstract description 6
- 239000012535 impurity Substances 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 5
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 4
- 229910052742 iron Inorganic materials 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims abstract 2
- 238000005253 cladding Methods 0.000 claims description 37
- 238000001816 cooling Methods 0.000 claims description 22
- 239000000758 substrate Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 18
- 229910001220 stainless steel Inorganic materials 0.000 claims description 18
- 239000010935 stainless steel Substances 0.000 claims description 18
- 229910001566 austenite Inorganic materials 0.000 claims description 13
- 229910001563 bainite Inorganic materials 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229910000734 martensite Inorganic materials 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 229910052804 chromium Inorganic materials 0.000 claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 7
- 238000001953 recrystallisation Methods 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 229910000859 α-Fe Inorganic materials 0.000 claims description 2
- 238000010586 diagram Methods 0.000 abstract 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 239000011651 chromium Substances 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 9
- 238000005260 corrosion Methods 0.000 description 9
- 239000010936 titanium Substances 0.000 description 8
- 239000013078 crystal Substances 0.000 description 7
- 239000011572 manganese Substances 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000010955 niobium Substances 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- 238000002788 crimping Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 229910000975 Carbon steel Inorganic materials 0.000 description 3
- 239000010962 carbon steel Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 238000005204 segregation Methods 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- BQJTUDIVKSVBDU-UHFFFAOYSA-L copper;sulfuric acid;sulfate Chemical compound [Cu+2].OS(O)(=O)=O.[O-]S([O-])(=O)=O BQJTUDIVKSVBDU-UHFFFAOYSA-L 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/011—Layered products comprising a layer of metal all layers being exclusively metallic all layers being formed of iron alloys or steels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/08—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the cooling method
- B32B37/085—Quenching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/144—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers using layers with different mechanical or chemical conditions or properties, e.g. layers with different thermal shrinkage, layers under tension during bonding
-
- 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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- 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
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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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
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- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
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Abstract
Description
Claims (11)
- 基層及び基層に接合圧延されたスーパーオーステナイトステンレス鋼のクラッド層を含み、前記基層における化学元素の構成は質量%で、C:0.02〜0.09%、0<Si<0.35%、Mn:1.0〜2.0%、Al:0.02〜0.04%、Ti:0.005〜0.018%、Nb:0.010〜0.030%、N<0.006%、残部が鉄及びその他の不可避的不純物であることを特徴とするスーパーオーステナイトステンレス鋼圧延複合鋼板。
- 前記基層が、さらに、Ni、Cr及びMoのうちの少なくとも1つの元素を含有し、且つNi<0.20%、Cr<0.20%、Mo<0.10%であることを特徴とする請求項1に記載のスーパーオーステナイトステンレス鋼圧延複合鋼板。
- 前記スーパーオーステナイトステンレス鋼のクラッド層の微細組織はオーステナイトを主体とし、微細組織中のδフェライト相の比率が5%以下であり、σ相の比率が2%以下であることを特徴とする請求項1に記載のスーパーオーステナイトステンレス鋼圧延複合鋼板。
- 前記スーパーオーステナイトステンレス鋼のクラッド層の表面から0.5〜1.0mmの範囲内におけるσ相の比率が0.2%以下であることを特徴とする請求項3に記載のスーパーオーステナイトステンレス鋼圧延複合鋼板。
- 前記基層の微細組織が、ベイナイト、又はベイナイト+少量のマルテンサイト、又はベイナイト+少量のM−A島であることを特徴とする請求項1に記載のスーパーオーステナイトステンレス鋼圧延複合鋼板。
- 当該基層の微細組織がベイナイト+少量のマルテンサイトである場合、マルテンサイト相の比率が5%以下であり、当該基層の微細組織がベイナイト+少量のM−A島である場合、M−A島相の比率が5%以下であることを特徴とする請求項5に記載のスーパーオーステナイトステンレス鋼圧延複合鋼板。
- 基層とスーパーオーステナイトステンレス鋼のクラッド層との接合部に遷移層を有し、前記遷移層の厚みが100μm以下であることを特徴とする請求項1に記載のスーパーオーステナイトステンレス鋼圧延複合鋼板。
- 基層の降伏強度が345MPa以上であり、引張強度が460MPa以上であり、伸び率が20%以上であり、−20℃でのシャルピー衝撃値Akvが100J以上であり、−40℃でのシャルピー衝撃値Akvが47J以上であり、スーパーオーステナイトステンレス鋼圧延複合鋼板の剪断強度が365MPa以上である請求項1〜7のいずれか1項に記載のスーパーオーステナイトステンレス鋼圧延複合鋼板。
- 請求項1〜8のいずれか1項に記載のスーパーオーステナイトステンレス鋼圧延複合鋼板の製造方法であって、
(1)基板スラブ及びクラッド層用ステンレス鋼スラブを製造する工程と、
(2)中間の二層としてクラッド層用ステンレス鋼スラブを用い、外側の層として基板スラブを用い、前記の二層のクラッド層用ステンレス鋼スラブの間に分離剤層を敷設し、少なくとも二層のクラッド層用ステンレス鋼スラブと少なくとも二層の基板スラブとを溶接してなる複合スラブを形成することにより、基板スラブとクラッド層用スラブをアッセンブリする工程と、
(3)得られた複合スラブを1140〜1200℃の温度で加熱した後、仕上げ圧延温度が1000℃以上の条件下で、基板スラブとクラッド層用スラブのオーステナイトの再結晶領域において多パス圧延を行う接合圧延工程と、
(4)接合圧延後に直ちに水冷し、水冷の開始温度を940℃以上とし、最終温度を430〜550℃とし、冷却速度を10〜100℃/sとする工程と、
(5)複合板を加熱矯正し、次に枚葉状態で室温まで空冷した後、冷間矯正する工程と、
を含むことを特徴とするスーパーオーステナイトステンレス鋼圧延複合鋼板の製造方法。 - 前記工程(4)において、水冷の冷却最終温度を430〜470℃とすることを特徴とする請求項9に記載の製造方法。
- 前記工程(3)において、仕上げ圧延温度を1020〜1060℃とすることを特徴とする請求項9に記載の製造方法。
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Application Number | Priority Date | Filing Date | Title |
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CN201611083883.2 | 2016-11-30 | ||
CN201611083883.2A CN108116006A (zh) | 2016-11-30 | 2016-11-30 | 一种超级奥氏体不锈钢轧制复合钢板及其制造方法 |
PCT/CN2017/112818 WO2018099326A1 (zh) | 2016-11-30 | 2017-11-24 | 一种超级奥氏体不锈钢轧制复合钢板及其制造方法 |
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KR102525415B1 (ko) * | 2018-10-01 | 2023-04-25 | 닛테츠 스테인레스 가부시키가이샤 | 오스테나이트계 스테인리스 클래드 강판 및 모재 강판 그리고 클래드 강판의 제조 방법 |
JP7031796B2 (ja) * | 2019-09-25 | 2022-03-08 | Jfeスチール株式会社 | クラッド鋼板及びその製造方法 |
CN112877589B (zh) * | 2019-11-29 | 2022-03-18 | 宝山钢铁股份有限公司 | 一种碳钢奥氏体不锈钢轧制复合板及其制造方法 |
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CN115161565B (zh) * | 2022-07-19 | 2023-02-24 | 太原理工大学 | 一种提高超级奥氏体不锈钢耐蚀性的方法 |
CN115592084A (zh) * | 2022-10-25 | 2023-01-13 | 东北大学(Cn) | 一种超级奥氏体不锈钢板坯高速连铸的方法 |
CN115976417B (zh) * | 2023-02-17 | 2024-04-19 | 东北大学 | 一种高氮低钼超级奥氏体不锈钢及其制备方法 |
CN116099875B (zh) * | 2023-04-12 | 2023-07-04 | 江苏省沙钢钢铁研究院有限公司 | 板形优异的不锈钢复合板及其制备方法 |
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