JP2023515558A - グラスライニング用鋼及びその製造方法 - Google Patents
グラスライニング用鋼及びその製造方法 Download PDFInfo
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- JP2023515558A JP2023515558A JP2022551019A JP2022551019A JP2023515558A JP 2023515558 A JP2023515558 A JP 2023515558A JP 2022551019 A JP2022551019 A JP 2022551019A JP 2022551019 A JP2022551019 A JP 2022551019A JP 2023515558 A JP2023515558 A JP 2023515558A
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- steel
- glass lining
- cooling
- glass
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 169
- 239000010959 steel Substances 0.000 title claims abstract description 169
- 239000011521 glass Substances 0.000 title claims abstract description 107
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- 238000001816 cooling Methods 0.000 claims abstract description 47
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 21
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- 229910052729 chemical element Inorganic materials 0.000 claims abstract description 11
- 238000009749 continuous casting Methods 0.000 claims abstract description 7
- 238000005098 hot rolling Methods 0.000 claims abstract description 6
- 239000012535 impurity Substances 0.000 claims abstract description 6
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000003723 Smelting Methods 0.000 claims abstract description 5
- 238000007670 refining Methods 0.000 claims abstract description 5
- 229910001567 cementite Inorganic materials 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 229910052720 vanadium Inorganic materials 0.000 claims description 10
- 229910052758 niobium Inorganic materials 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 abstract description 12
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 4
- 229910052748 manganese Inorganic materials 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 20
- 239000010936 titanium Substances 0.000 description 19
- 230000008569 process Effects 0.000 description 15
- 238000010304 firing Methods 0.000 description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000010955 niobium Substances 0.000 description 10
- 229910052799 carbon Inorganic materials 0.000 description 9
- 239000011651 chromium Substances 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 8
- 238000000576 coating method Methods 0.000 description 8
- 229910052759 nickel Inorganic materials 0.000 description 8
- 229910052804 chromium Inorganic materials 0.000 description 7
- 239000011572 manganese Substances 0.000 description 7
- 229910052750 molybdenum Inorganic materials 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 238000005728 strengthening Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 239000011159 matrix material Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 210000003298 dental enamel Anatomy 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- CADICXFYUNYKGD-UHFFFAOYSA-N sulfanylidenemanganese Chemical compound [Mn]=S CADICXFYUNYKGD-UHFFFAOYSA-N 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
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- 150000001247 metal acetylides Chemical class 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
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- 229910001562 pearlite Inorganic materials 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- -1 TiCN Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RRRDLPQUIXBIKW-UHFFFAOYSA-N [S-2].[Mn+2].[Ti+4].[S-2].[S-2] Chemical compound [S-2].[Mn+2].[Ti+4].[S-2].[S-2] RRRDLPQUIXBIKW-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
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- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
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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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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—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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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
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- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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- C22C—ALLOYS
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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
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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- C22C—ALLOYS
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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
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
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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
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
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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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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- C—CHEMISTRY; METALLURGY
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- C21D2211/003—Cementite
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- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
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Abstract
Description
C:0.015~0.060%、
Si:0.01~0.50%、
Mn:0.20~1.5%、
P:0.005~0.10%、
Al:0.010~0.070%、
Ti:0.10~0.30%であり、
残りがFeとその他の不可避な不純物であり、
前記グラスライニング用鋼のミクロ構造がフェライト又はフェライト+セメンタイトであり、好ましくは、フェライトの体積パーセント含有量が90%以上である、グラスライニング用鋼を提供する。
Cu≦0.50%、
Cr≦0.50%、
Ni≦0.50%、
Mo≦0.50%の少なくとも1つを更に含み、
更に、Cu+Cr+Ni+Mo≦1.0%を満たし、式におけるCu、Cr、Ni、Moが質量パーセント含有量を示す。
更に、本発明に係るグラスライニング用鋼において、Ti/C≧3.0を満たし、式におけるTiとCがそれぞれ対応する元素の質量パーセント含有量を示す。
C:0.02~0.05%、
Si:0.10~0.40%、
Mn:0.50~1.2%、
P:0.005~0.08%の少なくとも1つを更に満たす。
相応に、本発明は、グラスライニング用鋼の製造方法であって、当該製造方法で得られたグラスライニング用鋼が、優れた加工性と低温じん性を有すると共に、優れたコーティング性を有する、製造方法を提供することを、もう1つの目的とする。
(1)スラブを得るための製錬、精練、連続鋳造と、
(2)1050~1250℃での加熱と、
(3)最終温度が800~920℃となるように調整される熱間圧延と、
(4)冷却と、を含む、製造方法を提供する。
本発明に係るグラスライニング用鋼は、下記工程、即ち、
(1)スラブを得るための製錬、精練、連続鋳造と、
(2)1050~1250℃での加熱と、
(3)最終温度が800~920℃となるように調整される熱間圧延と、
(4)空冷又は水冷を利用し、空冷を利用する場合、室温となるように冷却し、水冷を利用する場合、冷却速度50℃/s以下で水冷の最終冷却温度が650~750℃となるように調整してから、室温となるように空冷する冷却と、を利用して製造される。
(5)温度が880~980℃であり、保温時間が30分間~3時間である熱処理、を更に含む。
Claims (15)
- グラスライニング用鋼であって、
その化学元素の質量パーセントが、
C:0.015~0.060%、
Si:0.01~0.50%、
Mn:0.20~1.5%、
P:0.005~0.10%、
Al:0.010~0.070%、
Ti:0.10~0.30%であり、
残りがFeとその他の不可避な不純物であり、
前記グラスライニング用鋼のミクロ構造がフェライト又はフェライト+セメンタイトであり、好ましくは、前記フェライト結晶粒が均一な等軸晶粒子であり、平均結晶粒度が40μm以下であることを特徴とするグラスライニング用鋼。 - 請求項1に記載のグラスライニング用鋼であって、
下記各元素、即ち、
Cu≦0.50%、
Cr≦0.50%、
Ni≦0.50%、
Mo≦0.50%の少なくとも1つを更に含み、
更に、Cu+Cr+Ni+Mo≦1.0%を満たすことを特徴とする、グラスライニング用鋼。 - 請求項1に記載のグラスライニング用鋼であって、
Ti/C≧3.0を満たし、好ましくは、Ti/C≧4.0であることを特徴とする、グラスライニング用鋼。 - 請求項1に記載のグラスライニング用鋼であって、
不可避な不純物の元素がSとNを含み、S≦0.03%、及び/又はN≦0.008%であることを特徴とする、グラスライニング用鋼。 - 請求項4に記載のグラスライニング用鋼であって、
その各化学元素がTieff/C≧4.0(但し、Tieff=Ti-1.5×S-3.43×N)を更に満たすことを特徴とする、グラスライニング用鋼。 - 請求項1に記載のグラスライニング用鋼であって、
Nb:0.005~0.10%、V:0.005~0.05%、B:0.0005~0.005%の少なくとも1つを更に含むことを特徴とする、グラスライニング用鋼。 - 請求項6に記載のグラスライニング用鋼であって、
NbとVの元素を含む場合、各化学元素がTi+(48/93) Nb+(48/51) V≧4Cを満たすことを特徴とする、グラスライニング用鋼。 - 請求項1に記載のグラスライニング用鋼であって、
Ca:0.001~0.005%、Mg:0.0005~0.005%の少なくとも1つを更に含むことを特徴とする、グラスライニング用鋼。 - 請求項1に記載のグラスライニング用鋼であって、
各化学元素の含有量が、下記各項目、即ち、
C:0.02~0.05%、
Si:0.10~0.40%、
Mn:0.50~1.2%、
P:0.005~0.08%の少なくとも1つを更に満たすことを特徴とする、グラスライニング用鋼。 - 請求項9に記載のグラスライニング用鋼であって、
C元素の含有量が0.035~0.045%であることを特徴とする、グラスライニング用鋼。 - 請求項1~10の何れか1項に記載のグラスライニング用鋼であって、
その特性が、下記各項目、即ち、降伏強度205~345MPa、伸び率A50≧30%、-40℃シャルピー衝撃値Akv≧34J、降伏比≦0.8の少なくとも1つを満たし、好ましくは、前記グラスライニング用鋼の特性が、下記各項目、即ち、引張強度400~440MPa、0℃シャルピー衝撃値Akv≧120J、-20℃シャルピー衝撃値Akv≧100Jの少なくとも1つを更に満たすことを特徴とする、グラスライニング用鋼。 - 請求項1~11の何れか1項に記載のグラスライニング用鋼の製造方法であって、
下記工程、即ち、
(1)スラブを得るための製錬、精練、連続鋳造と、
(2)1050~1250℃での加熱と、
(3)最終温度が800~920℃となるように調整される熱間圧延と、
冷却と、任意の
(5)熱処理と、を含むことを特徴とする製造方法。 - 請求項12に記載の製造方法であって、
工程(4)において、空冷又は水冷により冷却することを特徴とする、製造方法。 - 請求項13に記載の製造方法であって、
工程(4)において、空冷により冷却し、一枚鋼板による冷却又は複数枚鋼板によるスタック冷却の方式で最終的に室温となるように空冷を実施し、或いは、水冷により冷却し、冷却速度50℃/s以下で最終冷却温度650~750℃となるように水冷を実施してから、更に室温となるように空冷を実施することを特徴とする、製造方法。 - 請求項12~14の何れか1項に記載の製造方法であって、
工程(5)において、熱処理温度が880~980℃であり、熱処理保温時間が30分間~3時間であることを特徴とする、製造方法。
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CN107779762A (zh) * | 2016-08-30 | 2018-03-09 | 宝山钢铁股份有限公司 | 一种具有优良抗高温变形性能的搪玻璃用钢板及其制造方法 |
CN108796391A (zh) * | 2017-04-26 | 2018-11-13 | 宝山钢铁股份有限公司 | 一种具有优良塑韧性和抗鳞爆性的搪玻璃用钢及其制造方法 |
CN110066960A (zh) * | 2018-01-23 | 2019-07-30 | 宝山钢铁股份有限公司 | 一种具有优异抗鳞爆性的高强度搪玻璃用钢及其制造方法 |
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US20230114417A1 (en) | 2023-04-13 |
CN113373385A (zh) | 2021-09-10 |
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