CN107815591A - Hot-dip galvanizing sheet steel and preparation method thereof - Google Patents
Hot-dip galvanizing sheet steel and preparation method thereof Download PDFInfo
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- CN107815591A CN107815591A CN201711004602.4A CN201711004602A CN107815591A CN 107815591 A CN107815591 A CN 107815591A CN 201711004602 A CN201711004602 A CN 201711004602A CN 107815591 A CN107815591 A CN 107815591A
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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
- C22C38/004—Very low carbon steels, i.e. having a carbon content of less than 0,01%
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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
- 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
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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
- 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
- C21D8/0236—Cold rolling
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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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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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
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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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- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
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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
- C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
-
- 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
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- 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
- C23C2/26—After-treatment
- C23C2/28—Thermal after-treatment, e.g. treatment in oil bath
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Coating With Molten Metal (AREA)
Abstract
The invention belongs to steel plate manufacturing technology field, and in particular to a kind of hot-dip galvanizing sheet steel and preparation method thereof.For existing method prepare hot-dip galvanizing sheet steel mechanical property it is not good enough, extension property is bad the problems such as, the invention provides a kind of hot-dip galvanizing sheet steel and preparation method thereof, the chemical composition of hot-dip galvanizing sheet steel of the present invention is：By weight percentage, C：0.001~0.005%, Si：0.03~0.08%, Mn：0.10~0.40%, P：0.020~0.050%, S：≤ 0.015%, Als：0.015~0.060%, Nb：0.015~0.040%, Ti：0.010~0.050%, B：0.0005~0.0020%, surplus is Fe and inevitable impurity.Its preparation method is：By smelting molten steel after smelting hot rolling acid and rolling galvanizing annealing operation, hot-dip galvanizing sheet steel is obtained.For hot-dip galvanizing sheet steel yield strength prepared by the present invention in 180~240MPa, 340~380MPa of tensile strength, elongation percentage >=37.0%, n90 >=0.18, r90 >=1, mechanical property and processability are excellent, disclosure satisfy that automobile exterior panel user's requirement.
Description
Technical field
The invention belongs to steel plate manufacturing technology field, and in particular to a kind of hot-dip galvanizing sheet steel and preparation method thereof.
Background technology
Baking hardening hot-dip galvanizing sheet steel is a kind of new steel plate, and it is widely used in auto parts preparation field.Baking is hard
Excellent stamping formabilily and appearance quality will not only be had by changing hot-dip galvanizing sheet steel, while also have certain sag resistant
Performance and baking hardness energy, to reduce the noise for process of running at high speed.
The method of existing production baking hardening hot-dip galvanizing sheet steel mainly has following several：
Patent 200710048926.8《The production method of deep drawing skin-passed hot-dip galvanizing sheet steel》A kind of hot-dip galvanizing sheet steel is disclosed,
Control C：0.003~0.006%, Ti：0.02~0.04%, 70~780 DEG C of hot-rolling coiling temperature, cold rolled annealed temperature 780~
880℃.Finished product yield strength 180MPa or so, tensile strength 310MPa or so, elongation 42.0% or so,0.21 or so,1.9 or so.
Patent 201210338992.X《A kind of automobile using hot-dip galvanizing sheet steel and its production method》Disclose a kind of galvanizing
Steel plate, forms and is：C：0.001~0.003%, Si：≤ 0.03%, Mn：0.05~0.15%, P：≤ 0.02%, S：0.008~
0.015%th, Als：0.02~0.07%, Ti：0.05~0.09%, B：0.0002~0.01%.Remaining is by Fe.Finished product surrender is strong
Spend 160MPa or so, tensile strength 2870MPa or so, elongation 44.0% or so, r90 values 2.4 or so, n90 values 0.24.
Though the above method can be prepared hot-dip galvanizing sheet steel, the yield strength and tensile strength of hot-dip galvanizing sheet steel all compared with
Low, mechanical property is not good enough.
The content of the invention
The technical problem to be solved in the present invention is：Existing method prepare hot-dip galvanizing sheet steel mechanical property is not good enough, extensibility
Can be bad the problems such as.
The present invention solve above-mentioned technical problem technical scheme be：A kind of hot-dip galvanizing sheet steel and preparation method thereof is provided, should
Hot-dip galvanizing sheet steel yield strength 180~240MPa, 340~380MPa of tensile strength, elongation percentage >=37.0%, n90 >=0.18,
R90 >=1.8, forming property are excellent, workable.
The present invention provides a kind of hot-dip galvanizing sheet steel, and its chemical composition is：By weight percentage, C：0.001~
0.005%, Si：0.03~0.08%, Mn：0.10~0.40%, P：0.020~0.050%, S：≤ 0.015%, Als：
0.015~0.060%, Nb：0.015~0.040%, Ti：0.010~0.050%, B：0.0005~0.0020%, surplus is
Fe and inevitable impurity.
Wherein, in above-mentioned hot-dip galvanizing sheet steel, yield strength is 180~240MPa, and tensile strength is 340~380MPa, is prolonged
Stretch rate >=37.0%, n90 >=0.18, r90 >=1.8.
Present invention also offers a kind of preparation method of above-mentioned hot-dip galvanizing sheet steel, comprise the following steps：
Smelting molten steel is rolled through smelting-hot rolling-acid-galvanizing-annealing operation after, obtain hot-dip galvanizing sheet steel；The hot rolling
Including heating, dephosphorization, roughing, finish rolling, section cooling and coiling process.
Wherein, in the preparation method of above-mentioned hot-dip galvanizing sheet steel, finish rolling start rolling temperature is 1100~1250 DEG C in the hot rolling,
Finishing temperature is 890~960 DEG C.
Wherein, in the preparation method of above-mentioned hot-dip galvanizing sheet steel, coiling temperature is 700~780 DEG C in the hot rolling.
Wherein, in the preparation method of above-mentioned hot-dip galvanizing sheet steel, it is 50~80% that the acid, which rolls cold rolling reduction ratio in process,.
Wherein, in the preparation method of above-mentioned hot-dip galvanizing sheet steel, the annealing operation is specially：The annealing operation is specific
For：440~470 DEG C, zinc-plated 7~30s of zinc tank furnace nose temperature is cooled to from 800~850 DEG C of speed with 10~50 DEG C/s, then with
5~10 DEG C/s speed is cooled to room temperature eventually.
Wherein, in the preparation method of above-mentioned hot-dip galvanizing sheet steel, protective atmosphere dew-point temperature is -25~-60 DEG C in stove.
Compared with prior art, beneficial effects of the present invention are：
The invention provides a kind of hot-dip galvanizing sheet steel, by strictly controlling the interstitial atoms such as C, N to ensure that steel is pure, especially
It is to Mn, P content quantification composition design, and with reference to distinctive rolling and continuous annealing hot dip galvanizing process, one kind is prepared
The excellent hot-dip galvanizing sheet steel of excellent surface quality, forming property.Present invention reduces the content of silicon in steel plate and manganese, so that steel
The yield strength of plate is reduced to 180~240MPa, and tensile strength is 340~380MPa, elongation percentage >=37.0%, n90 >=0.18,
R90 >=1.8, automobile exterior panel user's requirement is disclosure satisfy that, develop a kind of new automobile using hot-dip galvanizing sheet steel.
Embodiment
The invention provides a kind of hot-dip galvanizing sheet steel, its chemical composition is：By weight percentage, C：0.001~
0.005%, Si：0.03~0.08%, Mn：0.10~0.40%, P：0.020~0.050%, S：≤ 0.015%, Als：
0.015~0.060%, Nb：0.015~0.040%, Ti：0.010~0.050%, B：0.0005~0.0020%, surplus is
Fe and inevitable impurity.
In the hot-dip galvanizing sheet steel of the present invention, simultaneously containing three kinds of niobium (Nb), titanium (Ti) and boron (B) alloying components, niobium energy
Crystal grain thinning, suppress the undue of crystal grain and grow up, the intensity of steel can be improved.But the content of niobium is unsuitable too high, too high rear intensity mistake
Height, elongation percentage and r90 values can reduce, and be unable to reach performance requirement, and user is likely to stamping cracking occur using process, and
Because the cost of niobium is high, too high levels can increase production cost.Therefore, in hot-dip galvanizing sheet steel of the invention content of niobium with 0.015
~0.040% is advisable.
Also contain titanium in hot-dip galvanizing sheet steel of the present invention, the C of steel grade can be fixed, N interstitial atoms, make steel pure, but titanium
Though can improve intensity during too high levels, also resulting in elongation percentage and r90 values reduces.Therefore, the present invention in titanium Optimum Contents
For Ti：0.010~0.050%.
In above-mentioned hot-dip galvanizing sheet steel, in addition to particularly niobium, titanium and boron is contained, in order to obtain yield strength for 180~
240MPa, tensile strength are 340~380MPa steel plate, and present invention reduces the silicone content in steel plate and manganese content, Si：0.03
~0.08%, Mn：0.10~0.40%.
By the cooperation of above-mentioned various composition, hot-dip galvanizing sheet steel yield strength that the present invention finally obtains for 180~
240MPa, tensile strength are 340~380MPa, elongation percentage >=37.0%, n90 >=0.18, r90 >=1.8.
Present invention also offers a kind of preparation method of above-mentioned hot-dip galvanizing sheet steel, comprise the following steps：
Smelting molten steel is rolled through smelting-hot rolling-acid-galvanizing-annealing operation after, obtain hot-dip galvanizing sheet steel；The hot rolling
Including heating, dephosphorization, roughing, finish rolling, section cooling and coiling process.
Wherein, in the preparation method of above-mentioned hot-dip galvanizing sheet steel, in order to prevent hot-rolled process from producing upwarping defect, ensure simultaneously
The temperature of high temperature coiling, finish rolling start rolling temperature is 1100~1250 DEG C in the hot rolling, and finishing temperature is 890~960 DEG C.
Wherein, in order to which hot-rolled process obtains the ferritic structure of fine uniform and thick precipitate, present invention curling
Temperature is high, and coiling temperature is 700~780 DEG C in the hot rolling.
Wherein, in the preparation method of above-mentioned hot-dip galvanizing sheet steel, it is 50~80% that the acid, which rolls cold rolling reduction ratio in process,.
Wherein, in the preparation method of above-mentioned hot-dip galvanizing sheet steel, the annealing operation is specially：The annealing operation is specific
For：440~470 DEG C, zinc-plated 7~30s of zinc tank furnace nose temperature is cooled to from 800~850 DEG C of speed with 10~50 DEG C/s, then with
5~10 DEG C/s speed is cooled to room temperature eventually.
Wherein, in the preparation method of above-mentioned hot-dip galvanizing sheet steel, protective atmosphere dew-point temperature is -25~-60 DEG C in stove.
Explanation will be further explained to the embodiment of the present invention by embodiment below, but do not indicated that this
The protection domain of invention is limited in described in embodiment in scope.
Embodiment 1-3 prepares hot-dip galvanizing sheet steel with the inventive method
Concrete operation step is as follows：
(1) pass through common smelting process, be prepared for the plate slab of chemical composition as shown in table 1 below：
The hot-dip galvanizing sheet steel chemical composition (wt.%) of table 1
| Numbering | C | Si | Mn | P | S | Als | Nb | Ti | B |
| 1 | 0.0020 | 0.06 | 0.18 | 0.025 | 0.006 | 0.029 | 0.025 | 0.023 | 0.0009 |
| 2 | 0.0036 | 0.04 | 0.25 | 0.047 | 0.010 | 0.037 | 0.031 | 0.046 | 0.0010 |
| 3 | 0.0028 | 0.07 | 0.39 | 0.036 | 0.007 | 0.054 | 0.038 | 0.039 | 0.0015 |
(2) above-mentioned slab is obtained into hot rolled coil after heating, dephosphorization, hot rolling and section cooling, wherein each parameter setting
For shown in table 2 below：
The hot rolling main technologic parameters of table 2
(3) Thin Strip Steel after hot rolled coil pickling, will be cold rolled to, wherein 1#, 2# and 3# cold rolling reduction ratio is respectively 80.0%,
75.0% and 72.4%.
(4) galvanizing, annealing, the hot dip galvanizing annealing process parameter such as institute of table 3 are carried out to the Thin Strip Steel obtained in step (3)
Show：
The galvanizing of table 3 annealing main technologic parameters
| Numbering | Annealing temperature/DEG C | Rapid cooling speed/DEG C/s | The zinc-plated time/s | Whole cooling rate rate/DEG C/s |
| 1 | 820 | 25 | 10 | 4.5 |
| 2 | 833 | 30 | 15 | 7.0 |
| 3 | 845 | 40 | 25 | 8.0 |
(5) the baking hardening hot-dip galvanizing sheet steel prepared through above-mentioned technique, its mechanical property are as shown in table 4 below：
The baking hardening hot-dip galvanizing sheet steel mechanical property of table 4
From embodiment 1-3 result：Hot-dip galvanizing sheet steel prepared by the present invention has good mechanical property, and it is surrendered
Intensity is 180~240MPa, and tensile strength is 340~380MPa, elongation percentage >=37.0%, n90 >=0.18, r90 >=1.8, energy
Enough meet automobile exterior panel user's requirement.The invention provides a kind of brand-new hot-dip galvanizing sheet steel, its excellent performance, cost are low
It is honest and clean, there is obvious economic benefit.
Claims (8)
1. hot-dip galvanizing sheet steel, it is characterised in that its chemical composition is：By weight percentage, C：0.001~0.005%, Si：
0.03~0.08%, Mn：0.10~0.40%, P：0.020~0.050%, S：≤ 0.015%, Als：0.015~0.060%,
Nb：0.015~0.040%, Ti：0.010~0.050%, B：0.0005~0.0020%, surplus is Fe and inevitable miscellaneous
Matter.
2. hot-dip galvanizing sheet steel according to claim 1, it is characterised in that：The hot-dip galvanizing sheet steel yield strength be 180~
240MPa, tensile strength are 340~380MPa, elongation percentage >=37.0%, n90 >=0.18, r90 >=1.8.
3. the preparation method of the hot-dip galvanizing sheet steel described in claim 1 or 2, it is characterised in that comprise the following steps：
Smelting molten steel is rolled through smelting-hot rolling-acid-galvanizing-annealing operation after, obtain hot-dip galvanizing sheet steel；The hot rolling includes
Heating, dephosphorization, roughing, finish rolling, section cooling and coiling process.
4. the preparation method of hot-dip galvanizing sheet steel according to claim 3, it is characterised in that：Finish rolling open rolling temperature in the hot rolling
Spend for 1100~1250 DEG C, finishing temperature is 890~960 DEG C.
5. the preparation method of hot-dip galvanizing sheet steel according to claim 3, it is characterised in that：Coiling temperature is in the hot rolling
700~780 DEG C.
6. the preparation method of hot-dip galvanizing sheet steel according to claim 3, it is characterised in that：The acid rolls cold rolling in process
Lower rate is 50~80%.
7. the preparation method of hot-dip galvanizing sheet steel according to claim 3, it is characterised in that：The annealing operation is specially：
440~470 DEG C, zinc-plated 7~30s of zinc tank furnace nose temperature is cooled to from 800~850 DEG C of speed with 10~50 DEG C/s, then with 5~
10 DEG C/s speed is cooled to room temperature eventually.
8. the preparation method of hot-dip galvanizing sheet steel according to claim 3, it is characterised in that：Protected during the galvanizing in stove
Dew point of atmosphere temperature is -25~-60 DEG C.
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Cited By (7)
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|---|---|---|---|---|
| CN111101067A (en) * | 2020-02-06 | 2020-05-05 | 鞍钢蒂森克虏伯汽车钢有限公司 | Hot-dip galvanized steel plate with stable baking hardening performance and production method thereof |
| CN111218608A (en) * | 2020-03-03 | 2020-06-02 | 攀钢集团攀枝花钢铁研究院有限公司 | High-strength automobile structure steel plate for hot galvanizing stamping and production method thereof |
| CN113088794A (en) * | 2021-04-16 | 2021-07-09 | 攀钢集团攀枝花钢铁研究院有限公司 | IF steel hot-dip galvanized steel sheet with low delta r value and preparation method thereof |
| CN114686771A (en) * | 2022-04-20 | 2022-07-01 | 攀钢集团攀枝花钢铁研究院有限公司 | Hot-dip galvanized steel plate and preparation method thereof |
| CN115233095A (en) * | 2022-07-12 | 2022-10-25 | 攀钢集团攀枝花钢铁研究院有限公司 | High-strength hot-dip galvanized automobile steel plate with excellent stamping performance and preparation method thereof |
| WO2022223719A1 (en) * | 2021-04-21 | 2022-10-27 | Tata Steel Ijmuiden B.V. | Steel strip or sheet and method for producing it |
| CN117165845A (en) * | 2023-04-28 | 2023-12-05 | 鞍钢股份有限公司 | 340 MPa-level alloying hot dip galvanized sheet for new energy automobile and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111101067A (en) * | 2020-02-06 | 2020-05-05 | 鞍钢蒂森克虏伯汽车钢有限公司 | Hot-dip galvanized steel plate with stable baking hardening performance and production method thereof |
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| CN115233095A (en) * | 2022-07-12 | 2022-10-25 | 攀钢集团攀枝花钢铁研究院有限公司 | High-strength hot-dip galvanized automobile steel plate with excellent stamping performance and preparation method thereof |
| CN117165845A (en) * | 2023-04-28 | 2023-12-05 | 鞍钢股份有限公司 | 340 MPa-level alloying hot dip galvanized sheet for new energy automobile and preparation method thereof |
| CN117165845B (en) * | 2023-04-28 | 2024-04-16 | 鞍钢股份有限公司 | 340 MPa-level alloying hot dip galvanized sheet for new energy automobile and preparation method thereof |
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