CN105349884A - Ti-contained hot-rolled and acid-pickled enameled steel strip and production method thereof - Google Patents
Ti-contained hot-rolled and acid-pickled enameled steel strip and production method thereof Download PDFInfo
- Publication number
- CN105349884A CN105349884A CN201510666708.5A CN201510666708A CN105349884A CN 105349884 A CN105349884 A CN 105349884A CN 201510666708 A CN201510666708 A CN 201510666708A CN 105349884 A CN105349884 A CN 105349884A
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- cleaning
- rolling acid
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 26
- 239000010959 steel Substances 0.000 title claims abstract description 26
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000012535 impurity Substances 0.000 claims abstract description 4
- 238000005098 hot rolling Methods 0.000 claims description 29
- 238000004140 cleaning Methods 0.000 claims description 24
- 238000005096 rolling process Methods 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000009749 continuous casting Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 235000019362 perlite Nutrition 0.000 claims description 2
- 239000010451 perlite Substances 0.000 claims description 2
- 229910000859 α-Fe Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 241000251468 Actinopterygii Species 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 7
- 238000007670 refining Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 229910001566 austenite Inorganic materials 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 210000003298 dental enamel Anatomy 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000003723 Smelting Methods 0.000 description 3
- 238000005275 alloying Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000005554 pickling Methods 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 239000000037 vitreous enamel Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000806 Latten Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004534 enameling Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- 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
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
-
- 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
- C21D2211/009—Pearlite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
The invention relates to hot continuous-rolled steel strips and production methods thereof, in particular to a Ti-contained hot-rolled and acid-pickled enameled steel strip and a production method thereof. The Ti-contained hot-rolled and acid-pickled enameled steel strip comprises, by weight, 0.05-0.08% of C, 0.030-0.045% of Ti, 0.65-0.80% of Mn, 0.01-0.025% of P, 0.001-0.01% of S, 0.015-0.050% of Als, 0-0.03% of Si and the balance Fe and inevitable impurities. The yield strength of the obtained Ti-contained hot-rolled and acid-pickled enameled steel strip is 330-430 MPa, the tensile strength is 400-520 MPa, the elongation percentage is over 22%, and the high forming property and the high anti-scaling property are achieved.
Description
Technical field
The present invention relates to hot continuous rolling steel band and production method thereof, particularly relate to a kind of containing Ti hot rolling acid-cleaning enamelled strip and production method.
Background technology
China is the consumption big country of an enamelware, and actual production can not meet the needs of porcelain enamel industry.Particularly the relation of enamel technology and enamelled strip kind is very close, but due to Steel for enamel kind complete, limited the development of porcelain enamel industry.Especially country actively promotes energy-saving and emission-reduction, becomes development trend with hot Dai Leng.
The performance requriements of enameling sheet and its complete processing closely related, mainly comprise the aspects such as intensity, plasticity, scaling resistance, adherence and weldability, different purposes, require there is different over-all propertieies to adapt.
Fish scaling resistance be Glassed Steel due the most substantially, be also one of most important performance index.The fish scaling resistance of steel plate itself causes enamelware to produce the quick-fried one of the main reasons of squama.If hydrogen spreads slowly in steel plate, the hydrogen entered under identical enamel technology in steel plate is just few, and this will be conducive to preventing the squama of enamelware quick-fried.Hot rolling acid-cleaning Glassed Steel adopts low-carbon (LC) design, ensure that the shaping and welding property of band steel, uses Ti precipitation strength, not only ensure the intensity of band steel, and the TiC simultaneously separated out can as storage hydrogen trap, the fish scaling resistance of strongthener.
Application number is CN201310548310.2, and what adopt in the patent application that name is called " yield strength is latten enamelled strip and the manufacture method of 330MPa level " is CSP technique, and adopt titanium in low-carbon (LC) to meet strengthening effect, process equipment condition otherness is large.
The patent No. is that CN101812630A " hot-rolling high-strength enamel sheet for deep drawing and manufacture method thereof " to adopt in low-carbon (LC) titanium to ensure its intensity and unit elongation, and processing condition are complicated and be hot rolled coil.
Summary of the invention
The object of this invention is to provide a kind of containing Ti hot rolling acid-cleaning enamelled strip, described yield strength 330 ~ 430MPa containing Ti hot rolling acid-cleaning enamelled strip, tensile strength 400 ~ 520MPa, unit elongation more than 22%, it has high formability height fish scaling resistance.
The technical scheme that technical solution problem of the present invention adopts is:
The invention provides a kind of containing Ti hot rolling acid-cleaning enamelled strip, its chemical composition consists of C:0.05 ~ 0.08% by weight percentage, Ti:0.030 ~ 0.045%, Mn:0.65 ~ 0.80%, P:0.01% ~ 0.025%, S:0.001% ~ 0.010%, Als:0.015 ~ 0.050%, Si≤0.03%, all the other are Fe and inevitable impurity.
Further, the described microstructure containing Ti hot rolling acid-cleaning enamelled strip is ferrite+perlite, and its grain fineness number is 9-11 level.
Further, described yield strength 330 ~ 430MPa containing Ti hot rolling acid-cleaning enamelled strip, tensile strength 400 ~ 520MPa, unit elongation more than 22%.
The present invention adopts low-carbon (LC) route, add appropriate Ti, can fining austenite grains, performance Ti has makes solid solution C reduce the effect that carbide can be made to assemble, substantially increase the ductility of steel plate, ensure that the precipitate of Ti while of the processability of hot rolling acid-cleaning enamelled strip can store up hydrogen, ensure fish scaling resistance.
The present invention also provides the above-mentioned production method containing Ti hot rolling acid-cleaning enamelled strip, comprises and continuous casting of molten steel is become slab, is then carried out successively by described slab heating, roughing, finish rolling, section cooling and batch, wherein,
Described heating and temperature control is at 1210 ~ 1240 DEG C;
In finishing stands, temperature in controls at 1030 ~ 1070 DEG C, and finishing temperature control is at 860 ~ 900 DEG C;
Oiler temperature control is at 640 ~ 680 DEG C.
Further, in aforementioned production method, in roughing operation, adopting 5 passes, every time deflection is necessary >=and 20%.
Further, in aforementioned production method, after finish rolling, section cooling speed is 15 ~ 20 DEG C/s.
Further, the thickness after described slab rough rolling is 38 ~ 40mm.
Further, the thickness after described slab finish rolling is 2 ~ 6mm.
The invention has the beneficial effects as follows:
Adopt the yield strength 280 ~ 320MPa of hot rolling acid-cleaning Glassed Steel that the present invention produces, tensile strength 400 ~ 520MPa, unit elongation more than 22%, has stable mechanical property, and obdurability coupling is good, forming property and the excellent feature of welding property.And the present invention gives full play to controlled rolling and controlled cooling ability, has cost of alloy low, technique is simple, the advantage that general hot continuous rolling all can be produced.
Embodiment
The object of the invention is, on the basis ensureing hot rolling acid-cleaning Glassed Steel processability and fish scaling resistance, to give full play to controlled rolling and controlled cooling ability, a kind of hot rolling Glassed Steel of high formability height fish scaling resistance is provided.
The technological process of production of the present invention is: after desulfurizing iron → converter smelting top-bottom blowing → deoxidation, alloying → stove, chain-wales is mended and fed Al line → LF refining heating → RH vacuum cycle and take off vapour refining → continuous casting → heating of plate blank → high-pressure water descaling → roughing → Coil Box and batch → finish rolling → section cooling → batch → weld end to end → pickling → trimming → oiling → finished product.
After hot rolling enamelled strip takes off vapour refining, continuous casting by conventional converter smelting, LF refining, RH vacuum cycle, the chemical composition of Finished Steel is: C:0.05 ~ 0.08%, Ti:0.030 ~ 0.045%, Mn:0.65 ~ 0.80%, P:0.01% ~ 0.025%, S:0.001% ~ 0.01%, Als:0.015 ~ 0.050%, Si≤0.03%, all the other are Fe and inevitable impurity.
Continuous casting gained slab is heated to 1210 ~ 1240 DEG C of insulation roughing, according to the difference of finished product thickness, continuously cast bloom is through 5 passage roughing, and every time deflection is necessary >=20%, and different according to finished product thickness, workpiece thickness is different.
Steel billet after roughing carries out Coil Box subsequently and batches, to ensure the homogeneous temperature that steel billet is elongated; Remove secondary oxidation iron sheet bright and clean to ensure steel billet plate face simultaneously.
Namely intermediate blank carries out displacement uncoiling after Coil Box is batched, and enters finish rolling district and carries out finish rolling, entry temperature at finishing 1030 ~ 1070 DEG C, and finishing temperature scope is 860 ~ 900 DEG C; After finish rolling, section cooling adopts leading portion Cooling Mode, is cooled to 640 ~ 680 DEG C to batch, pickling after welding end to end.
Production method containing Ti hot rolling acid-cleaning enamelled strip comprises: 1) slab heating temperature controls at 1210 ~ 1240 DEG C, has both ensured that slab was fully heated, the abundant solid solution of alloying element, and has prevented again the abnormal growth of austenite crystal; 2) roughing adopts 5 passages, and every time deflection is necessary >=and 20%, ensure austenite recrystallization, fining austenite grains; 3) entry temperature at finishing 1030 ~ 1070 DEG C, finishing temperature scope is 860 ~ 900 DEG C; 4) after finish rolling, section cooling adopts leading portion Cooling Mode, is cooled to 640 ~ 680 DEG C to batch; Obtain separating out size and the suitable TiC of quantity, to ensure intensity and the fish scaling resistance of material.
Below in conjunction with embodiment, the specific embodiment of the present invention is further described, does not therefore limit the present invention among described scope of embodiments.
Embodiment
The technological process of production of the present invention is: after desulfurizing iron → converter smelting top-bottom blowing → deoxidation, alloying → stove, chain-wales is mended and fed Al line → LF refining heating → RH vacuum cycle and take off vapour refining → continuous casting → heating of plate blank → high-pressure water descaling → roughing → Coil Box and batch → finish rolling → section cooling → batch → weld end to end → pickling → trimming → oiling → finished product.
Further, 5 passes in roughing operation, are adopted, every time deflection is necessary >=and 20%.
After finish rolling, section cooling adopts leading portion Cooling Mode.
Table 1 is the chemical composition of embodiment of the present invention molten steel, table 2 is hot rolling technology controlling valus, table 3 is mechanical properties of coil of strip, wherein, the method that the yield strength (ReL) of described coil of strip, tensile strength (Rm), unit elongation (A%) all specify according to GB/T228.1-2010 detects.Gained is F+P containing the microstructure of Ti hot rolling acid-cleaning enamelled strip, and its grain fineness number is 10 grades.
Comparative example
The same embodiment of the technological process of production of comparative example 1 and 2, its chemical composition is as shown in table 1, and hot-rolled process parameter is as shown in table 2, and the mechanical property of gained coils of hot-rolled steel is as shown in table 3.
The chemical composition of table 1 embodiment and comparative example
| C | Si | Mn | Ti | P | S | Als | |
| Embodiment 1 | 0.07 | 0.02 | 0.68 | 0.039 | 0.012 | 0.005 | 0.032 |
| Embodiment 2 | 0.07 | 0.02 | 0.68 | 0.039 | 0.012 | 0.005 | 0.032 |
| Embodiment 3 | 0.07 | 0.02 | 0.68 | 0.039 | 0.012 | 0.005 | 0.032 |
| Embodiment 4 | 0.07 | 0.02 | 0.68 | 0.039 | 0.012 | 0.005 | 0.032 |
| Comparative example 1 | 0.04 | 0.04 | 0.50 | 0.015 | 0.010 | 0.011 | 0.030 |
| Comparative example 2 | 0.1 | 0.05 | 0.90 | 0.055 | 0.011 | 0.012 | 0.035 |
The hot rolling technology controlling valu of table 2 embodiment and comparative example
The mechanical property of table 3 embodiment and comparative example gained coil of strip
Claims (8)
1. containing Ti hot rolling acid-cleaning enamelled strip, it is characterized in that, its chemical composition consists of C:0.05 ~ 0.08% by weight percentage, Ti:0.030 ~ 0.045%, Mn:0.65 ~ 0.80%, P:0.01% ~ 0.025%, S:0.001% ~ 0.01%, Als:0.015 ~ 0.050%, Si≤0.03%, all the other are Fe and inevitable impurity.
2. according to claim 1 containing Ti hot rolling acid-cleaning enamelled strip, it is characterized in that, the described microstructure containing Ti hot rolling acid-cleaning enamelled strip is ferrite+perlite, and its grain fineness number is 9-11 level.
3. according to claim 1 or 2, contain Ti hot rolling acid-cleaning enamelled strip, it is characterized in that, described yield strength 330 ~ 430MPa containing Ti hot rolling acid-cleaning enamelled strip, tensile strength 400 ~ 520MPa, unit elongation more than 22%.
4. described in any one of claims 1 to 3 containing Ti hot rolling acid-cleaning enamelled strip production method, comprise and continuous casting of molten steel become slab, then described slab is carried out successively heating, roughing, finish rolling, section cooling and batch, it is characterized in that,
Described heating and temperature control is at 1210 ~ 1240 DEG C;
In finishing stands, temperature in controls at 1030 ~ 1070 DEG C, and finishing temperature control is at 860 ~ 900 DEG C;
Oiler temperature control is at 640 ~ 680 DEG C.
5., according to claim 4 containing Ti hot rolling acid-cleaning enamelled strip production method, it is characterized in that, in roughing operation, adopt 5 passes, every time deflection >=20%.
6. according to claim 4 or 5, contain Ti hot rolling acid-cleaning enamelled strip production method, it is characterized in that, after finish rolling, section cooling speed is 15 ~ 20 DEG C/s.
7. according to any one of claim 4 ~ 6, contain Ti hot rolling acid-cleaning enamelled strip production method, it is characterized in that, the thickness after described slab rough rolling is 38 ~ 40mm.
8. according to any one of claim 4 ~ 7, contain Ti hot rolling acid-cleaning enamelled strip production method, it is characterized in that, the thickness after described slab finish rolling is 2 ~ 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510666708.5A CN105349884B (en) | 2015-10-15 | 2015-10-15 | The enamelled strip of hot rolling acid-cleaning containing Ti and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510666708.5A CN105349884B (en) | 2015-10-15 | 2015-10-15 | The enamelled strip of hot rolling acid-cleaning containing Ti and its production method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105349884A true CN105349884A (en) | 2016-02-24 |
| CN105349884B CN105349884B (en) | 2017-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510666708.5A Active CN105349884B (en) | 2015-10-15 | 2015-10-15 | The enamelled strip of hot rolling acid-cleaning containing Ti and its production method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689392A (en) * | 2016-04-01 | 2016-06-22 | 莱芜市泰山冷轧板有限公司 | Production method for ultra-thin cold-rolled enamelled steel strips |
| CN106834920A (en) * | 2016-12-23 | 2017-06-13 | 东北大学 | A kind of hot rolling enamelled pressed steel and preparation method thereof |
| CN107779762A (en) * | 2016-08-30 | 2018-03-09 | 宝山钢铁股份有限公司 | A kind of enamel steel plate and its manufacture method with excellent high temperature deformation performance |
| CN107794460A (en) * | 2016-08-30 | 2018-03-13 | 宝山钢铁股份有限公司 | A kind of enamel high-strength steel sheet and its manufacture method with excellent two-sided application of slip performance |
| CN111266406A (en) * | 2020-03-02 | 2020-06-12 | 攀钢集团攀枝花钢铁研究院有限公司 | Rolling method of ultrathin hot continuous rolling steel strip |
| CN114015947A (en) * | 2021-10-09 | 2022-02-08 | 包头钢铁（集团）有限责任公司 | Cold-rolled enamel steel for stamping and manufacturing method thereof |
| CN115354235A (en) * | 2022-09-30 | 2022-11-18 | 武汉钢铁有限公司 | High-surface high-precision high-strength enamel steel and production method thereof |
| CN115418572A (en) * | 2022-09-27 | 2022-12-02 | 首钢集团有限公司 | Hot-rolled acid-washed enamel steel and preparation method thereof |
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Cited By (14)
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|---|---|---|---|---|
| CN105689392B (en) * | 2016-04-01 | 2017-10-31 | 莱芜市泰山冷轧板有限公司 | A kind of very thin enamel cold-rolled strip production method |
| CN105689392A (en) * | 2016-04-01 | 2016-06-22 | 莱芜市泰山冷轧板有限公司 | Production method for ultra-thin cold-rolled enamelled steel strips |
| CN107779762B (en) * | 2016-08-30 | 2019-07-23 | 宝山钢铁股份有限公司 | A kind of enamel steel plate and its manufacturing method with excellent high temperature deformation performance |
| CN107779762A (en) * | 2016-08-30 | 2018-03-09 | 宝山钢铁股份有限公司 | A kind of enamel steel plate and its manufacture method with excellent high temperature deformation performance |
| CN107794460A (en) * | 2016-08-30 | 2018-03-13 | 宝山钢铁股份有限公司 | A kind of enamel high-strength steel sheet and its manufacture method with excellent two-sided application of slip performance |
| CN107794460B (en) * | 2016-08-30 | 2019-07-23 | 宝山钢铁股份有限公司 | A kind of enamel high-strength steel sheet and its manufacturing method with excellent two-sided application of slip performance |
| CN106834920B (en) * | 2016-12-23 | 2019-04-30 | 东北大学 | A kind of hot rolling enamelled pressed steel and preparation method thereof |
| CN106834920A (en) * | 2016-12-23 | 2017-06-13 | 东北大学 | A kind of hot rolling enamelled pressed steel and preparation method thereof |
| CN111266406A (en) * | 2020-03-02 | 2020-06-12 | 攀钢集团攀枝花钢铁研究院有限公司 | Rolling method of ultrathin hot continuous rolling steel strip |
| CN111266406B (en) * | 2020-03-02 | 2022-01-28 | 攀钢集团攀枝花钢铁研究院有限公司 | Rolling method of ultrathin hot continuous rolling steel strip |
| CN114015947A (en) * | 2021-10-09 | 2022-02-08 | 包头钢铁（集团）有限责任公司 | Cold-rolled enamel steel for stamping and manufacturing method thereof |
| CN115418572A (en) * | 2022-09-27 | 2022-12-02 | 首钢集团有限公司 | Hot-rolled acid-washed enamel steel and preparation method thereof |
| CN115354235A (en) * | 2022-09-30 | 2022-11-18 | 武汉钢铁有限公司 | High-surface high-precision high-strength enamel steel and production method thereof |
| CN115354235B (en) * | 2022-09-30 | 2023-01-24 | 武汉钢铁有限公司 | High-surface high-precision high-strength enamel steel and production method thereof |
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Application publication date: 20160224 Assignee: PANGANG GROUP PANZHIHUA STEEL & VANADIUM Co.,Ltd. Assignor: PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE Co.,Ltd. Contract record no.: X2024980004525 Denomination of invention: Hot rolled pickled enamel steel strip containing Ti and its production method Granted publication date: 20170926 License type: Common License Record date: 20240417 |
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