CN1169991C - 具有优异的可加工性和成型精度的薄钢板及其制造方法 - Google Patents
具有优异的可加工性和成型精度的薄钢板及其制造方法 Download PDFInfo
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- CN1169991C CN1169991C CNB011370262A CN01137026A CN1169991C CN 1169991 C CN1169991 C CN 1169991C CN B011370262 A CNB011370262 A CN B011370262A CN 01137026 A CN01137026 A CN 01137026A CN 1169991 C CN1169991 C CN 1169991C
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- Prior art keywords
- temperature
- steel
- steel sheet
- rolling
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 73
- 239000010959 steel Substances 0.000 title claims abstract description 73
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 7
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 6
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 4
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 39
- 238000001816 cooling Methods 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 26
- 238000000137 annealing Methods 0.000 claims description 23
- 238000000576 coating method Methods 0.000 claims description 22
- 239000011248 coating agent Substances 0.000 claims description 21
- 239000011701 zinc Substances 0.000 claims description 18
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000005482 strain hardening Methods 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 229910052725 zinc Inorganic materials 0.000 claims description 12
- 238000005097 cold rolling Methods 0.000 claims description 10
- 239000010960 cold rolled steel Substances 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 5
- 238000003303 reheating Methods 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 238000009713 electroplating Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 claims 2
- 239000008397 galvanized steel Substances 0.000 claims 2
- 238000009864 tensile test Methods 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 229910001566 austenite Inorganic materials 0.000 description 21
- 238000007747 plating Methods 0.000 description 16
- 238000009413 insulation Methods 0.000 description 13
- 238000005275 alloying Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 12
- 230000032683 aging Effects 0.000 description 11
- 238000005246 galvanizing Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 230000000717 retained effect Effects 0.000 description 9
- 238000012360 testing method Methods 0.000 description 8
- 229910001297 Zn alloy Inorganic materials 0.000 description 7
- 229910001563 bainite Inorganic materials 0.000 description 7
- 239000011651 chromium Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000002436 steel type Substances 0.000 description 7
- 238000005098 hot rolling Methods 0.000 description 6
- 229910000734 martensite Inorganic materials 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 229910000859 α-Fe Inorganic materials 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000011282 treatment Methods 0.000 description 5
- 229910001567 cementite Inorganic materials 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 229920000620 organic polymer Polymers 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 235000019362 perlite Nutrition 0.000 description 3
- 239000010451 perlite Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000035882 stress Effects 0.000 description 3
- 238000007669 thermal treatment Methods 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229910009369 Zn Mg Inorganic materials 0.000 description 2
- 229910007570 Zn-Al Inorganic materials 0.000 description 2
- 229910007573 Zn-Mg Inorganic materials 0.000 description 2
- 229910007567 Zn-Ni Inorganic materials 0.000 description 2
- 229910007614 Zn—Ni Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 241001640034 Heteropterys Species 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000007739 conversion coating Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- JQJCSZOEVBFDKO-UHFFFAOYSA-N lead zinc Chemical compound [Zn].[Pb] JQJCSZOEVBFDKO-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000004881 precipitation hardening Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- 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
- 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
- C21D8/0221—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
-
- 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
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
-
- 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
- C22C38/18—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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
- C23C2/0224—Two or more thermal pretreatments
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
- C23C2/024—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
-
- 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
-
- 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
- C21D2211/002—Bainite
-
- 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
- C21D2211/005—Ferrite
-
- 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
- C21D2211/008—Martensite
-
- 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
- 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
- C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
-
- 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
- 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
- C21D8/0273—Final recrystallisation annealing
-
- 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
- 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
- C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/9335—Product by special process
- Y10S428/934—Electrical process
- Y10S428/935—Electroplating
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/9335—Product by special process
- Y10S428/939—Molten or fused coating
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12785—Group IIB metal-base component
- Y10T428/12792—Zn-base component
- Y10T428/12799—Next to Fe-base component [e.g., galvanized]
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
Description
钢类型 | C | Si | Mn | P | S | Al | N | Mo | Cr | 其它 | 备注 |
A | 0.023 | 0.03 | 1.35 | 0.011 | 0.0021 | 0.034 | 0.0026 | 0.21 | 0.65 | 本发明 | |
B | 0.018 | <0.01 | 1.45 | 0.021 | 0.0086 | 0.023 | 0.0032 | 0.32 | 0.39 | ||
C | 0.039 | 0.06 | 1.06 | 0.032 | 0.0008 | 0.062 | 0.0028 | 0.18 | 0.63 | ||
D | 0.026 | 0.32 | 1.21 | 0.008 | 0.0042 | 0.051 | 0.0032 | 0.26 | 0.48 | ||
E | 0.034 | 0.06 | 1.81 | 0.009 | 0.0019 | 0.032 | 0.0012 | 0.18 | 0.21 | ||
F | 0.024 | 0.04 | 1.38 | 0.031 | 0.0106 | 0.21 | 0.0092 | 0.19 | 0.53 | ||
G | 0.026 | 0.01 | 1.34 | 0.009 | 0.0023 | 0.043 | 0.0013 | 0.56 | - | ||
H | 0.021 | 0.01 | 1.34 | 0.008 | 0.0021 | 0.044 | 0.0026 | 0.19 | 0.42 | B:0.0009 | |
I | 0.032 | 0.03 | 1.60 | 0.008 | 0.0030 | 0.040 | 0.0051 | 0.22 | 0.40 | Ti:0.021 | |
J | 0.007 | 0.01 | 1.65 | 0.022 | 0.0032 | 0.043 | 0.0036 | 0.18 | 0.31 | B:0.0008 | |
K | 0.064* | 0.01 | 1.21 | 0.018 | 0.0023 | 0.024 | 0.0021 | 0.21 | 0.64 | 对比例 | |
L | 0.031 | 0.67* | 1.33 | 0.012 | 0.0008 | 0.043 | 0.0016 | 0.26 | 0.58 | ||
M | 0.021 | 0.06 | 3.21* | 0.008 | 0.0012 | 0.041 | 0.0031 | 0.32 | 0.48 | ||
N | 0.014 | 0.02 | 1.26 | 0.151* | 0.0013 | 0.026 | 0.0026 | 0.18 | 0.36 | ||
O | 0.022 | 0.06 | 1.43 | 0.014 | 0.0011 | 0.032 | 0.0041 | 0.005* | 0.64 |
试验号 | 钢类型 | 热轧条件 | 冷轧→退火条件 | 备注 | |||||||||||
加热温度(℃) | 粗轧最终温度(℃) | 精轧进入侧温度(℃) | 精轧温度(℃) | 冷却速度(℃/秒) | 卷取温度(℃) | 热轧厚度→冷轧厚度(mm) | 退火温度(℃) | 冷却速度(℃/秒) | 完成冷却时的温度(℃) | 保温时间(秒) | 镀覆和后处理 | 光整冷轧延伸率(%) | |||
1 | A | 1220 | 1060 | 1020 | 840 | 30 | 550 | 4→0.65 | 880 | 10 | 520 | 30 | 热浸镀→合金化 | 0.4 | 本发明 |
2 | A | 1280 | 980 | 1020 | 880 | 40 | 500 | 4→0.7 | 860 | 15 | 500 | 20 | 0.6 | ||
3 | A | 1240 | 1060 | 1020 | 880 | 20 | 600 | 1.2→热轧态 | 820 | 10 | 500 | 20 | 0.4 | ||
4 | A | 1200 | 1040 | 1020 | 880 | 10 | 400 | 3.0→0.7 | 840 | 10 | 500 | 30 | 0.2 | ||
5 | A | 1220 | 1000 | 1040 | 900 | 15 | 550 | 4→0.7 | 860 | 60 | 350 | 120 | 电镀 | 0.4 | |
6 | A | 1260 | 980 | 1020 | 870 | 20 | 550 | 5→0.7 | 880 | 10 | 510 | 20 | 热浸镀 | 0.4 | |
7 | A | 1180 | 1000 | 1040 | 880 | 10 | 500 | 4→0.7 | 840 | 10 | 520 | 30 | 热浸镀→合金化 | 1.2 | |
8 | A | 1260 | 1060 | 1020 | 880 | 20 | 550 | 4→0.7 | 880 | 15 | 520 | 30 | 0.4 | ||
9 | B | 1240 | 1030 | 1040 | 900 | 10 | 550 | 3.2→0.7 | 900 | 10 | 520 | 30 | 0.6 | ||
10 | C | 1220 | 1060 | 1020 | 880 | 30 | 450 | 4→0.7 | 860 | 10 | 540 | 30 | 0.3 | ||
11 | D | 1240 | 1040 | 1020 | 900 | 10 | 550 | 4→0.7 | 840 | 10 | 560 | 25 | 0.4 | ||
12 | E | 1220 | 1080 | 1060 | 880 | 20 | 500 | 4.5→0.7 | 820 | 10 | 560 | 30 | 0 | ||
13 | F | 1260 | 1060 | 1020 | 900 | 60 | 400 | 4→0.7 | 840 | 10 | 540 | 40 | 0.4 | ||
14 | G | 1240 | 1040 | 1040 | 880 | 30 | 550 | 4→0.7 | 840 | 10 | 520 | 30 | 0.2 | ||
15 | H | 1220 | 1030 | 1020 | 860 | 10 | 500 | 4→0.7 | 820 | 10 | 520 | 30 | 0.4 | ||
16 | I | 1260 | 1060 | 1020 | 900 | 40 | 600 | 4→0.7 | 840 | 10 | 540 | 30 | 0.6 | ||
17 | J | 1280 | 980 | 1030 | 900 | 10 | 500 | 4→0.7 | 860 | 15 | 540 | 30 | 0.4 | ||
18 | K | 1260 | 1030 | 1020 | 910 | 10 | 550 | 4→0.7 | 820 | 10 | 520 | 20 | 0.4 | 对比例 | |
19 | L | 1240 | 1040 | 1060 | 910 | 20 | 500 | 4→0.7 | 840 | 10 | 420 | 120 | 电镀 | 0.4 | |
20 | M | 1260 | 1020 | 1030 | 880 | 20 | 450 | 4→0.7 | 880 | 10 | 550 | 30 | 热浸镀→合金化 | 0.4 | |
21 | N | 1220 | 1060 | 1040 | 900 | 10 | 500 | 4→0.7 | 840 | 10 | 540 | 30 | 0.4 | ||
22 | O | 1240 | 1030 | 1020 | 910 | 10 | 500 | 4-0.7 | 820 | 10 | 520 | 30 | 0.4 |
试验号 | 钢类型 | 金属组织 | 拉伸性能 | 时效后 | 备注 | ||||||||||
残余奥氏体(%) | 主要组织* | YP(MPa) | TS(MPa) | EL(%) | YPE(%) | YP/TS** | r-值 | WH(MPa) | BH(MPa) | YP(MPa) | EL降低(%) | YPE(%) | |||
1 | A | 4 | F+M | 226 | 443 | 32.3 | 0 | 0.51 | 1.6 | 72 | 62 | 228 | 0 | 0 | 本发明 |
2 | A | 4 | F+M | 224 | 446 | 32.8 | 0 | 0.50 | 1.3 | 76 | 64 | 225 | 0 | 0 | |
3 | A | 3 | F+M | 218 | 443 | 34.6 | 0 | 0.49 | 1.4 | 73 | 61 | 220 | 0 | 0 | |
4 | A | 1 | F+M | 216 | 451 | 32.2 | 0 | 0.48 | 1.4 | 76 | 63 | 218 | 0 | 0 | |
5 | A | 7 | F+B | 242 | 448 | 31.6 | 0 | 0.54 | 1.3 | 74 | 66 | 245 | 1 | 0 | |
6 | A | 4 | F+M | 228 | 462 | 32.6 | 0 | 0.49 | 1.3 | 72 | 64 | 230 | 0 | 0 | |
7 | A | 3 | F+M | 232 | 446 | 33.1 | 0 | 0.52 | 1.2 | 71 | 62 | 234 | 0 | 0 | |
8 | A | 4 | F+M | 224 | 451 | 32.6 | 0 | 0.50 | 1.3 | 72 | 60 | 229 | 0 | 0 | |
9 | B | 3 | F+M | 236 | 461 | 32.4 | 0 | 0.51 | 1.3 | 73 | 61 | 238 | 0 | 0 | |
10 | C | 4 | F+M | 224 | 448 | 33.1 | 0 | 0.50 | 1.4 | 72 | 62 | 224 | 0 | 0 | |
11 | D | 4 | F+M | 241 | 449 | 33.4 | 0 | 0.54 | 1.4 | 71 | 63 | 243 | 0 | 0 | |
12 | E | 4 | F+M | 286 | 503 | 30.1 | 0 | 0.57 | 1.3 | 74 | 62 | 288 | 0 | 0 | |
13 | F | 3 | F+M | 226 | 453 | 34.2 | 0 | 0.50 | 1.3 | 73 | 61 | 229 | 0 | 0 | |
14 | G | 4 | F+M | 234 | 451 | 33.6 | 0 | 0.52 | 1.4 | 76 | 60 | 239 | 1 | 0.1 | |
15 | H | 4 | F+M | 226 | 449 | 33.2 | 0 | 0.50 | 1.4 | 77 | 61 | 228 | 0 | 0 | |
16 | I | 4 | F+M | 241 | 443 | 33.1 | 0 | 0.54 | 1.3 | 76 | 64 | 246 | 0 | 0 | |
17 | J | 4 | F+M | 226 | 446 | 33.4 | 0 | 0.51 | 1.3 | 72 | 61 | 229 | 0 | 0 | |
18 | K | 4 | F+M | 323 | 546 | 27.5 | 0 | 0.59 | 1.4 | 73 | 62 | 229 | 0 | 0 | 对比例 |
19 | L | 11 | F+M | 321 | 542 | 28.6 | 0 | 0.59 | 1.2 | 72 | 54 | 336 | 3 | 0.4 | |
20 | M | 4 | F+M | 315 | 526 | 27.3 | 0 | 0.60 | 1.1 | 72 | 61 | 324 | 1 | 0 | |
21 | N | 2 | F+M | 236 | 510 | 27.6 | 0 | 0.46 | 1.1 | 71 | 60 | 241 | 0 | 0.1 | |
22 | O | 0 | F+M | 306 | 462 | 28.6 | 0 | 0.66 | 1.1 | 28 | 63 | 312 | 1 | 0.1 |
试验号 | 钢类型 | 热轧条件 | 冷轧→退火条件 | |||||||||||
加热温度(℃) | 粗轧最终温度(℃) | 精轧进入侧温度(℃) | 精轧温度(℃) | 冷却速度(℃/秒) | 卷取温度(℃) | 热轧厚度→冷轧厚度(mm) | 退火温度(℃) | 冷却速度(℃/秒) | 完成冷却时的温度(℃) | 保温时间(秒) | 镀覆和后处理 | 光整冷轧延伸率(%) | ||
1 | A | 1220 | 940 | 1020 | 720 | 10 | 550 | 4→0.7 | 860 | 15 | 520 | 30 | 热浸镀→合金化 | 0.4 |
2 | A | 1240 | 1060 | 1020 | 880 | 1 | 500 | 4→0.7 | 860 | 10 | 540 | 30 | 0.4 | |
3 | A | 1220 | 980 | 1040 | 880 | 10 | 780 | 4→0.7 | 840 | 10 | 560 | 20 | 0.4 | |
4 | A | 1240 | 1000 | 1040 | 880 | 20 | 550 | 4→0.7 | 690 | 15 | 550 | 30 | 0.4 | |
5 | A | 1220 | 1060 | 1020 | 860 | 10 | 550 | 4→0.7 | 840 | 1 | 540 | 30 | 0.4 | |
6 | A | 1240 | 1040 | 1020 | 880 | 15 | 550 | 4→0.7 | 880 | 10 | 640 | 30 | 0.4 | |
7 | A | 1220 | 1020 | 1040 | 920 | 10 | 500 | 4→0.7 | 790 | 10 | - | - | 0.4 |
试验号 | 钢类型 | 拉伸性能 | 时效后 | |||||||||
YP(MPa) | TS(MPa) | EL(%) | YPE(%) | YP/TS** | r-值 | WH(MPa) | BH(MPa) | YP(MPa) | EL降低(%) | YPE(%) | ||
1 | A | 302 | 432 | 29.4 | 0.1 | 0.70 | 0.9 | 27 | 54 | 316 | 1 | 0.2 |
2 | A | 346 | 441 | 28.6 | 0.1 | 0.78 | 0.9 | 27 | 29 | 365 | 3 | 0.6 |
3 | A | 354 | 446 | 28.9 | 0.1 | 0.79 | 0.9 | 26 | 28 | 369 | 4 | 0.4 |
4 | A | 367 | 486 | 28.4 | 0.6 | 0.76 | 0.9 | 28 | 28 | 382 | 3 | 0.6 |
5 | A | 361 | 451 | 28.6 | 0.6 | 0.80 | 1.0 | 29 | 29 | 386 | 3 | 0.4 |
6 | A | 301 | 446 | 29.2 | 0 | 0.67 | 1.0 | 28 | 61 | 311 | 1 | 0 |
7 | A | 226 | 447 | 30.1 | 0 | 0.51 | 1.4 | 60 | 61 | 226 | 1 | 0.1 |
钢类型 | C | Si | Mn | P | S | Al | N | Mo | Cr | Ti | Nb | B |
A1 | 0.0020 | 0.01 | 2.45 | 0.021 | 0.001 | 0.050 | 0.0035 | 0.05 | - | - | 0.035 | - |
A2 | 0.0034 | 0.01 | 2.22 | 0.016 | 0.003 | 0.021 | 0.0025 | 0.06 | 0.02 | - | - | - |
A3 | 0.0031 | 0.02 | 2.01 | 0.017 | 0.006 | 0.023 | 0.0028 | 0.03 | 0.03 | 0.053 | - | - |
A4 | 0.0031 | 0.12 | 1.82 | 0.018 | 0.002 | 0.035 | 0.0033 | 0.10 | - | - | - | - |
A5 | 0.0057 | 0.01 | 1.52 | 0.013 | 0.001 | 0.033 | 0.0064 | 0.20 | 0.28 | 0.040 | - | 0.0009 |
A6 | 0.0089 | 0.01 | 1.61 | 0.015 | 0.002 | 0.038 | 0.0035 | 0.20 | 0.30 | - | - | 0.0012 |
试验号 | 钢类型 | 拉伸性能 | BH性能 | 时效后性能 | ||||||
YP(MPa) | TS(MPa) | EL(%) | YPE(%) | r-值 | BH(MPa) | ΔYS(MPa) | ΔYPE(%) | ΔEI(%) | ||
1 | A1 | 213 | 421 | 39.3 | 0.0 | 1.53 | 81 | 2 | 0.0 | 0.0 |
2 | A2 | 193 | 405 | 40.1 | 0.0 | 1.48 | 93 | 1 | 0.0 | 0.0 |
3 | A3 | 161 | 354 | 44.5 | 0.0 | 1.74 | 84 | 2 | 0.0 | -0.1 |
4 | A4 | 164 | 359 | 43.7 | 0.0 | 1.51 | 89 | 3 | 0.0 | -0.2 |
5 | A5 | 186 | 372 | 42.5 | 0.0 | 1.69 | 106 | 1 | 0.0 | -0.3 |
6 | A6 | 238 | 403 | 40.3 | 0.0 | 1.53 | 61 | 1 | 0.0 | -0.2 |
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US09/981,986 US6586117B2 (en) | 2001-10-19 | 2001-10-19 | Steel sheet having excellent workability and shape accuracy and a method for its manufacture |
US10/420,815 US6982012B2 (en) | 2001-10-19 | 2003-04-23 | Method of manufacturing steel sheet having excellent workability and shape accuracy |
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US09/981,986 US6586117B2 (en) | 2001-10-19 | 2001-10-19 | Steel sheet having excellent workability and shape accuracy and a method for its manufacture |
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-
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Cited By (1)
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CN100348766C (zh) * | 2003-05-21 | 2007-11-14 | 新日本制铁株式会社 | 抗拉强度为780MPa或更高且具有优良的局部可成形性和焊缝硬度抑制增加的薄钢板 |
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US20030190493A1 (en) | 2003-10-09 |
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