CN105483552A - 900MPa-level automobile beam steel plate and production method thereof - Google Patents
900MPa-level automobile beam steel plate and production method thereof Download PDFInfo
- Publication number
- CN105483552A CN105483552A CN201510831988.0A CN201510831988A CN105483552A CN 105483552 A CN105483552 A CN 105483552A CN 201510831988 A CN201510831988 A CN 201510831988A CN 105483552 A CN105483552 A CN 105483552A
- Authority
- CN
- China
- Prior art keywords
- steel plate
- beam steel
- car beam
- refining
- 900mpa
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- 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
-
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
The invention relates to a 900MPa-level automobile beam steel plate and a production method thereof. The automobile beam steel plate is prepared from, by weight percent, 0.10% of C or less, 0.5% of Si or less, 1.50%-1.80% of Mn, 0.030% of P or less, 0.010% of S or less, 0.04%-0.08% of Nb, 0.030%-0.080% of V, 0.05%-0.15% of Ti, 0.1%-0.5% of Ni, 0.1%-0.5% of Cr, 0.1%-0.5% of Cu, 0.1%-0.5% of Mo, 0.01%-0.05% of Als, 0.005% of N or less and the balance Fe and inevitable impurities. The production method comprises the procedures of desulfuration, converter smelting, LF refining, RH refining, continuous casting, heating, hot rolling, laminar cooling and rolling. The chemical components of Nb, V, Ti, Ni, Cr, Cu and Mo are added, and meanwhile the content of N and the hot rolling technology are controlled, so that the automobile beam steel plate has the good comprehensive mechanical properties such as high strength, high toughness and high plasticity. The production process has the advantages that the smelting and rolling process is simple, and meanwhile post heat treatment is not needed.
Description
Technical field
The invention belongs to metallurgical technology field, be specifically related to a kind of 900MPa level car beam steel plate and production method thereof.
Background technology
Light-weight design is the effective measure solving automotive energy-saving emission-reducing, and one of approach of automotive light weight technology is exactly adopt ultrahigh-strength steel plates to substitute original low strength steel plate.Heavy-load automobile vehicle body 70% is ferrous materials, has been abroad that the ultra-high strength steel plate of 700MPa level is widely used in heavy-load automobile by yield strength, as the Domex series etc. of SSAB company of Sweden.And the heavy-load automobile steel yield strength of China is many between 350 ~ 450MPa, the even more high-grade steel of recent 700MPa progressively research and develop use.
The present invention mainly utilizes multiple element multiple strengthening production hot rolling tensile strength 900MPa level steel, and technology controlling and process is simple, and intensity rank is high.The hot rolling 900MPa level car beam steel plate of subsequent heat treatment simply, is not needed so far there are no multiple element multiple strengthening, technology controlling and process.
Summary of the invention
Technical problem to be solved by this invention is to provide hot rolling 900MPa level car beam steel plate and the production method thereof that a kind of hot rolling technology simply, does not need subsequent heat treatment.
For solving the problems of the technologies described above, the present invention takes following technical scheme: 900MPa level car beam steel plate, it is characterized in that, the weight percent of its chemical composition is: C≤0.10%, Si≤0.5%, Mn:1.50 ~ 1.80%, P≤0.030%, S≤0.010%, Nb:0.04 ~ 0.08%, V:0.030 ~ 0.080%, Ti:0.05 ~ 0.15%, Ni:0.1 ~ 0.5%, Cr:0.1 ~ 0.5%, Cu:0.1 ~ 0.5%, Mo:0.1 ~ 0.5%, Als:0.01 ~ 0.05%, N≤0.005%, surplus is Fe and inevitable impurity.
Yield strength >=830MPa stated by institute of the present invention car beam steel plate.
Tensile strength >=900MPa stated by institute of the present invention car beam steel plate.
Unit elongation A >=20% stated by institute of the present invention car beam steel plate.
It is qualified that cold-bending property D=0 stated by institute of the present invention car beam steel plate, and wherein D is Bend diameter.
The present invention also provides a kind of production method of above-mentioned 900MPa level car beam steel plate, comprises desulfurization, converter, the refining of LF stove, RH refining, continuous casting, heating, hot rolling, section cooling, coiling process.
In desulfurization process of the present invention, desulfurized molten iron S≤0.020%, converter steelmaking process adopts omnidistance argon bottom-blowing, and endpoint molten steel dissolved oxygen content controls at 600 ~ 850ppm, and end point carbon C controls 0.03 ~ 0.05%, tapping temperature 1680 ± 15 DEG C; Deoxidation alloying platform Al deoxidation, joins Si, Mn with low-carbon Mn Fe, SiFe; NbFe, MoFe, CrFe, VFe is adopted to join Nb, Mo, Cr, V; Adopt Cu plate, Ni plate with addition of Cu, Ni.
In LF stove refining procedure of the present invention, molten steel carries out aluminium deoxidation at LF stove and makes white slag, and Mn, Si, Nb, Mo, Cr, V, Cu, Ni element is finely tuned, and uses TiFe to carry out Ti microalloying simultaneously; Refining terminates feeding 300 ~ 500m calcium line Calcium treatment, then weakly blows time 5 ~ 8min, tapping temperature 1610 ~ 1620 DEG C.
In continuous casting working procedure of the present invention, ladle molding casting tundish temperature is 1532 ~ 1542 DEG C, Casting speed 1.0 ~ 1.1m/min.
Heating process Heating temperature of the present invention is 1260 ± 15 DEG C; Finishing temperature in hot-rolled process is 890 ± 20 DEG C; Section cooling operation medium velocity 15 ~ 30 DEG C/min, in coiling process, coiling temperature is 600 ± 20 DEG C.
Beneficial effect of the present invention is: the present invention, by adding chemical composition Nb, V, Ti, Ni, Cr, Cu, Mo, controls N content and hot rolling technology simultaneously, makes this car beam steel plate have the good comprehensive mechanical property such as high strength, high tenacity, high-ductility.Production technique has smelting, rolling technology is simple, simultaneously without the advantage of subsequent heat treatment.
Embodiment
Below in conjunction with specific embodiment, the present invention is further detailed explanation.
Embodiment 1:900MPa level car beam Plate Production and Performance Detection
Production process: desulfurization → converter → LF stove refining → RH refining → continuous casting → heating → hot rolling → section cooling → batch.
Desulfurized molten iron S:0.015%, converter steelmaking process adopts omnidistance argon bottom-blowing, and endpoint molten steel dissolves [O] and controls at 850ppm, and end point carbon C controls 0.03%, tapping temperature 1695 DEG C.Deoxidation alloying platform Al deoxidation, joins Si, Mn with low-carbon Mn Fe, SiFe; NbFe, MoFe, CrFe, VFe is adopted to join Nb, Mo, Cr, V; Adopt Cu plate, Ni plate with addition of Cu, Ni.
In the refining of LF stove: molten steel carries out aluminium deoxidation at LF stove and makes white slag, and the elements such as Mn, Si, Nb, Mo, Cr, V, Cu, Ni are finely tuned, use TiFe to carry out Ti microalloying simultaneously.Refining terminates feeding 500m calcium line Calcium treatment, then weakly blows time 8min, tapping temperature 1618 DEG C.
Continuous casting working procedure ladle molding casting tundish temperature is 1540 DEG C, Casting speed 1.05m/min.
Heating process Heating temperature is 1275 DEG C; Finishing temperature in hot-rolled process is 910 DEG C, section cooling speed 23 DEG C/min, and in coiling process, coiling temperature is 620 DEG C.
The weight percent of 900MPa level car beam steel plate chemical composition is: C:0.06%, Si:0.30%, Mn:1.6%, P:0.014%, S:0.003%, Nb:0.06%, V:0.06%, Ti:0.095%, Ni:0.18%, Cr:0.5%, Cu:0.3%, Mo:0.25%, Als:0.016%, N:0.0045%.
Check feature: yield strength 855MPa, tensile strength 945MPa, unit elongation 23%, cold-bending property D=0 is qualified.
Embodiment 2:900MPa level car beam Plate Production and Performance Detection
Production process: desulfurization → converter → LF stove refining → RH refining → continuous casting → heating → hot rolling → section cooling → batch.
Desulfurized molten iron S:0.010%, converter steelmaking process adopts omnidistance argon bottom-blowing, and endpoint molten steel dissolves [O] and controls at 730ppm, and end point carbon C controls 0.038%, tapping temperature 1690 DEG C.Deoxidation alloying platform Al deoxidation, joins Si, Mn with low-carbon Mn Fe, SiFe; NbFe, MoFe, CrFe, VFe is adopted to join Nb, Mo, Cr, V; Adopt Cu plate, Ni plate with addition of Cu, Ni.
In the refining of LF stove: molten steel carries out aluminium deoxidation at LF stove and makes white slag, and the elements such as Mn, Si, Nb, Mo, Cr, V, Cu, Ni are finely tuned, use TiFe to carry out Ti microalloying simultaneously.Refining terminates feeding 450m calcium line Calcium treatment, then weakly blows time 7min, tapping temperature 1615 DEG C.
Continuous casting working procedure ladle molding casting tundish temperature is 1535 DEG C, Casting speed 1.05m/min.
Heating process Heating temperature is 1250 DEG C; Finishing temperature in hot-rolled process is 870 DEG C, section cooling speed 15 DEG C/min, and in coiling process, coiling temperature is 580 DEG C.
The weight percent of 900MPa level car beam steel plate chemical composition is: C:0.08%, Si:0.20%, Mn:1.8%, P:0.020%, S:0.007%, Nb:0.045%, V:0.08%, Ti:0.13%, Ni:0.25%, Cr:0.3%, Cu:0.45%, Mo:0.35%, Als:0.025%, N:0.0033%.
Check feature: yield strength 849MPa, tensile strength 935MPa, unit elongation 22%, cold-bending property D=0 is qualified.
Embodiment 3:900MPa level car beam Plate Production and Performance Detection
Production process: desulfurization → converter → LF stove refining → RH refining → continuous casting → heating → hot rolling → section cooling → batch.
Desulfurized molten iron S:0.005%, converter steelmaking process adopts omnidistance argon bottom-blowing, and endpoint molten steel dissolves [O] and controls at 630ppm, and end point carbon C controls 0.045%, tapping temperature 1665 DEG C.Deoxidation alloying platform Al deoxidation, joins Si, Mn with low-carbon Mn Fe, SiFe; NbFe, MoFe, CrFe, VFe is adopted to join Nb, Mo, Cr, V; Adopt Cu plate, Ni plate with addition of Cu, Ni.
In the refining of LF stove: molten steel carries out aluminium deoxidation at LF stove and makes white slag, and the elements such as Mn, Si, Nb, Mo, Cr, V, Cu, Ni are finely tuned, use TiFe to carry out Ti microalloying simultaneously.Refining terminates feeding 430m calcium line Calcium treatment, then weakly blows time 6min, tapping temperature 1612 DEG C.
Continuous casting working procedure ladle molding casting tundish temperature is 1532 DEG C, Casting speed 1.00m/min.
Heating process Heating temperature is 1245 DEG C; Finishing temperature in hot-rolled process is 910 DEG C, section cooling speed 25 DEG C/min, and in coiling process, coiling temperature is 620 DEG C.
The weight percent of 900MPa level car beam steel plate chemical composition is: C:0.07%, Si:0.15%, Mn:1.55%, P:0.018%, S:0.006%, Nb:0.07%, V:0.035%, Ti:0.07%, Ni:0.45%, Cr:0.45%, Cu:0.15%, Mo:0.45%, Als:0.045%, N:0.0028%.
Check feature: yield strength 868MPa, tensile strength 956MPa, unit elongation 22%, cold-bending property D=0 is qualified.
Embodiment 4:900MPa level car beam Plate Production and Performance Detection
Production process: desulfurization → converter → LF stove refining → RH refining → continuous casting → heating → hot rolling → section cooling → batch.
Desulfurized molten iron S:0.008%, converter steelmaking process adopts omnidistance argon bottom-blowing, and endpoint molten steel dissolves [O] and controls at 600ppm, and end point carbon C controls 0.042%, tapping temperature 1687 DEG C.Deoxidation alloying platform Al deoxidation, joins Si, Mn with low-carbon Mn Fe, SiFe; NbFe, MoFe, CrFe, VFe is adopted to join Nb, Mo, Cr, V; Adopt Cu plate, Ni plate with addition of Cu, Ni.
In the refining of LF stove: molten steel carries out aluminium deoxidation at LF stove and makes white slag, and the elements such as Mn, Si, Nb, Mo, Cr, V, Cu, Ni are finely tuned, use TiFe to carry out Ti microalloying simultaneously.Refining terminates feeding 300m calcium line Calcium treatment, then weakly blows time 7min, tapping temperature 1614 DEG C.
Continuous casting working procedure ladle molding casting tundish temperature is 1538 DEG C, Casting speed 1.02m/min.
Heating process Heating temperature is 1250 DEG C; Finishing temperature in hot-rolled process is 880 DEG C, section cooling speed 30 DEG C/min, and in coiling process, coiling temperature is 595 DEG C.
The weight percent of 900MPa level car beam steel plate chemical composition is: C:0.05%, Si:0.45%, Mn:1.7%, P:0.023%, S:0.002%, Nb:0.05%, V:0.033%, Ti:0.085%, Ni:0.35%, Cr:0.22%, Cu:0.23%, Mo:0.3%, Als:0.028%, N:0.0025%.
Check feature: yield strength 859MPa, tensile strength 960MPa, unit elongation 25%, cold-bending property D=0 is qualified.
Embodiment 5:900MPa level car beam Plate Production and Performance Detection
Production process: desulfurization → converter → LF stove refining → RH refining → continuous casting → heating → hot rolling → section cooling → batch.
Desulfurized molten iron S:0.012%, converter steelmaking process adopts omnidistance argon bottom-blowing, and endpoint molten steel dissolves [O] and controls at 645ppm, and end point carbon C controls 0.039%, tapping temperature 1689 DEG C.Deoxidation alloying platform Al deoxidation, joins Si, Mn with low-carbon Mn Fe, SiFe; NbFe, MoFe, CrFe, VFe is adopted to join Nb, Mo, Cr, V; Adopt Cu plate, Ni plate with addition of Cu, Ni.
In the refining of LF stove: molten steel carries out aluminium deoxidation at LF stove and makes white slag, and the elements such as Mn, Si, Nb, Mo, Cr, V, Cu, Ni are finely tuned, use TiFe to carry out Ti microalloying simultaneously.Refining terminates feeding 450m calcium line Calcium treatment, then weakly blows time 5min, tapping temperature 1620 DEG C.
Continuous casting working procedure ladle molding casting tundish temperature is 1540 DEG C, Casting speed 1.01m/min.
Heating process Heating temperature is 1270 DEG C; Finishing temperature in hot-rolled process is 885 DEG C, section cooling speed 24 DEG C/min, and in coiling process, coiling temperature is 610 DEG C.
The weight percent of 900MPa level car beam steel plate chemical composition is: C:0.06%, Si:0.50%, Mn:1.8%, P:0.030%, S:0.006%, Nb:0.08%, V:0.03%, Ti:0.15%, Ni:0.10%, Cr:0.1%, Cu:0.5%, Mo:0.5%, Als:0.01%, N:0.0040%.
Check feature: yield strength 861MPa, tensile strength 975MPa, unit elongation 24%, cold-bending property D=0 is qualified.
Embodiment 6:900MPa level car beam Plate Production and Performance Detection
Production process: desulfurization → converter → LF stove refining → RH refining → continuous casting → heating → hot rolling → section cooling → batch.
Desulfurized molten iron S:0.020%, converter steelmaking process adopts omnidistance argon bottom-blowing, and endpoint molten steel dissolves [O] and controls at 670ppm, and end point carbon C controls 0.050%, tapping temperature 1690 DEG C.Deoxidation alloying platform Al deoxidation, joins Si, Mn with low-carbon Mn Fe, SiFe; NbFe, MoFe, CrFe, VFe is adopted to join Nb, Mo, Cr, V; Adopt Cu plate, Ni plate with addition of Cu, Ni.
In the refining of LF stove: molten steel carries out aluminium deoxidation at LF stove and makes white slag, and the elements such as Mn, Si, Nb, Mo, Cr, V, Cu, Ni are finely tuned, use TiFe to carry out Ti microalloying simultaneously.Refining terminates feeding 450m calcium line Calcium treatment, then weakly blows time 8min, tapping temperature 1610 DEG C.
Continuous casting working procedure ladle molding casting tundish temperature is 1542 DEG C, Casting speed 1.1m/min.
Heating process Heating temperature is 1275 DEG C; Finishing temperature in hot-rolled process is 889 DEG C, section cooling speed 23 DEG C/min, and in coiling process, coiling temperature is 613 DEG C.
The weight percent of 900MPa level car beam steel plate chemical composition is: C:0.06%, Si:0.29%, Mn:1.5%, P:0.016%, S:0.005%, Nb:0.04%, V:0.07%, Ti:0.005%, Ni:0.5%, Cr:0.45%, Cu:0.1%, Mo:0.1%, Als:0.05%, N:0.005%.
Check feature: yield strength 847MPa, tensile strength 932MPa, unit elongation 25%, cold-bending property D=0 is qualified.
Claims (10)
1. a 900MPa level car beam steel plate, is characterized in that, the weight percent of its chemical composition is: C≤0.10%, Si≤0.5%, Mn:1.50 ~ 1.80%, P≤0.030%, S≤0.010%, Nb:0.04 ~ 0.08%, V:0.030 ~ 0.080%, Ti:0.05 ~ 0.15%, Ni:0.1 ~ 0.5%, Cr:0.1 ~ 0.5%, Cu:0.1 ~ 0.5%, Mo:0.1 ~ 0.5%, Als:0.01 ~ 0.05%, N≤0.005%, surplus is Fe and inevitable impurity.
2. 900MPa level car beam steel plate according to claim 1, it is characterized in that, yield strength >=830MPa stated by institute's car beam steel plate.
3. 900MPa level car beam steel plate according to claim 1, it is characterized in that, tensile strength >=900MPa stated by institute's car beam steel plate.
4. 900MPa level car beam steel plate according to claim 1, it is characterized in that, unit elongation A >=20% stated by institute's car beam steel plate.
5. 900MPa level car beam steel plate according to claim 1, it is characterized in that, it is qualified that cold-bending property D=0 stated by institute's car beam steel plate, and wherein D is Bend diameter.
6. based on the production method of the 900MPa level car beam steel plate described in claim 1-5 any one, it is characterized in that, comprise desulfurization, converter, the refining of LF stove, RH refining, continuous casting, heating, hot rolling, section cooling, coiling process.
7. production method according to claim 6, it is characterized in that, in described desulfurization process, desulfurized molten iron S≤0.020%, converter steelmaking process adopts omnidistance argon bottom-blowing, endpoint molten steel dissolved oxygen content controls at 600 ~ 850ppm, and end point carbon C controls 0.03 ~ 0.05%, tapping temperature 1680 ± 15 DEG C; Deoxidation alloying platform Al deoxidation, joins Si, Mn with low-carbon Mn Fe, SiFe; NbFe, MoFe, CrFe, VFe is adopted to join Nb, Mo, Cr, V; Adopt Cu plate, Ni plate with addition of Cu, Ni.
8. production method according to claim 6, is characterized in that, in described LF stove refining procedure, molten steel carries out aluminium deoxidation at LF stove and makes white slag, and Mn, Si, Nb, Mo, Cr, V, Cu, Ni element is finely tuned, and uses TiFe to carry out Ti microalloying simultaneously; Refining terminates feeding 300 ~ 500m calcium line Calcium treatment, then weakly blows time 5 ~ 8min, tapping temperature 1610 ~ 1620 DEG C.
9. production method according to claim 6, is characterized in that, in described continuous casting working procedure, ladle molding casting tundish temperature is 1532 ~ 1542 DEG C, Casting speed 1.0 ~ 1.1m/min.
10. production method according to claim 6, is characterized in that, described heating process Heating temperature is 1260 ± 15 DEG C; Finishing temperature in hot-rolled process is 890 ± 20 DEG C; Section cooling operation medium velocity 15 ~ 30 DEG C/min, in coiling process, coiling temperature is 600 ± 20 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510831988.0A CN105483552A (en) | 2015-11-25 | 2015-11-25 | 900MPa-level automobile beam steel plate and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510831988.0A CN105483552A (en) | 2015-11-25 | 2015-11-25 | 900MPa-level automobile beam steel plate and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105483552A true CN105483552A (en) | 2016-04-13 |
Family
ID=55670817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510831988.0A Pending CN105483552A (en) | 2015-11-25 | 2015-11-25 | 900MPa-level automobile beam steel plate and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105483552A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105821319A (en) * | 2016-05-30 | 2016-08-03 | 苏州双金实业有限公司 | Steel with good machining performance |
| CN106636911A (en) * | 2017-03-17 | 2017-05-10 | 武汉科技大学 | 900MPa hot rolling sheet steel formed by directly rolling sheet billets and manufacturing method thereof |
| CN108315662A (en) * | 2018-03-30 | 2018-07-24 | 湖南华菱涟源钢铁有限公司 | A kind of yield strength 900MPa level hot rolled steel plates and its production technology |
| CN108486476A (en) * | 2018-05-25 | 2018-09-04 | 河钢股份有限公司承德分公司 | 700Mpa hot rollings containing vanadium checkered steel plate and its production method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001164321A (en) * | 1999-12-07 | 2001-06-19 | Nippon Steel Corp | Method for producing high tensile strength hot rolled steel plate for working using hot rolling continuous process |
| US6517643B1 (en) * | 1996-06-28 | 2003-02-11 | Nippon Steel Corporation | Steel having excellent outer surface SCC resistance for pipeline |
| CN101400816A (en) * | 2006-03-24 | 2009-04-01 | 株式会社神户制钢所 | High-strength hot rolled steel sheet having excellent composite moldability |
| CN103614629A (en) * | 2013-12-12 | 2014-03-05 | 钢铁研究总院 | 900MPa grade hot rolling non-tempering thin steel sheet and preparation method thereof |
| CN103842538A (en) * | 2011-09-29 | 2014-06-04 | 杰富意钢铁株式会社 | Hot-rolled steel sheet and method for producing same |
| CN103987868A (en) * | 2011-09-30 | 2014-08-13 | 新日铁住金株式会社 | High-strength hot dip galvanized steel plate having excellent moldability, weak material anisotropy and ultimate tensile strength of 980 mpa or more, high-strength alloyed hot dip galvanized steel plate and manufacturing method therefor |
| CN104928578A (en) * | 2015-06-26 | 2015-09-23 | 河北钢铁股份有限公司承德分公司 | Vanadium-containing compound-microalloying 800MPa-level hot-rolled plate for automotive frames and production method |
-
2015
- 2015-11-25 CN CN201510831988.0A patent/CN105483552A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6517643B1 (en) * | 1996-06-28 | 2003-02-11 | Nippon Steel Corporation | Steel having excellent outer surface SCC resistance for pipeline |
| JP2001164321A (en) * | 1999-12-07 | 2001-06-19 | Nippon Steel Corp | Method for producing high tensile strength hot rolled steel plate for working using hot rolling continuous process |
| CN101400816A (en) * | 2006-03-24 | 2009-04-01 | 株式会社神户制钢所 | High-strength hot rolled steel sheet having excellent composite moldability |
| CN103842538A (en) * | 2011-09-29 | 2014-06-04 | 杰富意钢铁株式会社 | Hot-rolled steel sheet and method for producing same |
| CN103987868A (en) * | 2011-09-30 | 2014-08-13 | 新日铁住金株式会社 | High-strength hot dip galvanized steel plate having excellent moldability, weak material anisotropy and ultimate tensile strength of 980 mpa or more, high-strength alloyed hot dip galvanized steel plate and manufacturing method therefor |
| CN103614629A (en) * | 2013-12-12 | 2014-03-05 | 钢铁研究总院 | 900MPa grade hot rolling non-tempering thin steel sheet and preparation method thereof |
| CN104928578A (en) * | 2015-06-26 | 2015-09-23 | 河北钢铁股份有限公司承德分公司 | Vanadium-containing compound-microalloying 800MPa-level hot-rolled plate for automotive frames and production method |
Non-Patent Citations (3)
| Title |
|---|
| 李晶等: "《钢铁是这样炼成的：湛江钢铁冶金科普读物》", 30 September 2013, 北京理工大学出版社 * |
| 陈晋阳等: "《中华人民共和国国家标准 GB/T 3273-2005 汽车大梁用热轧钢板和钢带》", 21 July 2005, 中国标准出版社 * |
| 高有进等: "屈服强度900MPa级高强钢焊接工艺", 《焊接学报》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105821319A (en) * | 2016-05-30 | 2016-08-03 | 苏州双金实业有限公司 | Steel with good machining performance |
| CN106636911A (en) * | 2017-03-17 | 2017-05-10 | 武汉科技大学 | 900MPa hot rolling sheet steel formed by directly rolling sheet billets and manufacturing method thereof |
| CN106636911B (en) * | 2017-03-17 | 2018-09-18 | 武汉科技大学 | With the 900MPa grade hot rolled steel sheets and its manufacturing method of sheet billet Direct Rolling |
| CN108315662A (en) * | 2018-03-30 | 2018-07-24 | 湖南华菱涟源钢铁有限公司 | A kind of yield strength 900MPa level hot rolled steel plates and its production technology |
| CN108486476A (en) * | 2018-05-25 | 2018-09-04 | 河钢股份有限公司承德分公司 | 700Mpa hot rollings containing vanadium checkered steel plate and its production method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11649516B2 (en) | Method for manufacturing thin-specification high-Ti wear-resistant steel NM450 | |
| CN101701316B (en) | Automobile beam steel with tensile strength of 590MPa and manufacturing method thereof | |
| CN103194687B (en) | Low-alloy high-strength cast steel for low temperature and preparation method thereof | |
| CN103556069B (en) | A kind of gas cylinder seamless large-diameter pipes and manufacture method thereof | |
| CN104328356A (en) | Manufacturing method of thin-specification high-strength-structure steel plate with steckel mill | |
| CN103695771B (en) | Tensile strength 610MPa level hot rolling high tensile thin steel plate and production method thereof | |
| CN101654760B (en) | Unalloyed structural steel S355J2 steel plate and production method thereof | |
| CN103667906B (en) | Tensile strength 590MPa level hot rolling High Tensile Thin Steel Plate and production method thereof | |
| CN102162065A (en) | 550Mpa yield-strength low-carbon bainitic steel for engineering machinery and preparation method thereof | |
| CN102732789A (en) | High-performance ocean platform steel and its production method | |
| CN101824581B (en) | High-yield strength (450MPa), high-strength and weather-resistant steel plate and production method thereof | |
| CN102424933A (en) | Hot-rolled high-strength strip steel and manufacturing method thereof | |
| CN103695775B (en) | 345MPa level high building structure steel plate and production method thereof | |
| CN103667907B (en) | Tensile strength 510MPa level hot rolling high tensile thin steel plate and production method thereof | |
| CN113846260B (en) | Production method of high-strength steel plate for engineering machinery | |
| CN104250703A (en) | 340MPa grade cold rolled low alloy high strength steel and manufacturing method thereof | |
| CN105483552A (en) | 900MPa-level automobile beam steel plate and production method thereof | |
| CN109161806A (en) | A kind of 700MPa grades of automotive frame steel band and preparation method thereof | |
| CN109609845A (en) | A kind of 500MPa grades of weathering steel and its production method | |
| CN104328350A (en) | Hardened and tempered steel with yield strength of 960MPa level and manufacturing method of hardened and tempered steel | |
| CN104894473A (en) | Shrunk-on vessel steel with thickness larger than or equal to 120 mm and production method of shrunk-on vessel steel | |
| CN102409233A (en) | Low-temperature steel for engineering machinery and production method thereof | |
| CN106244919A (en) | A kind of low-alloy high-strength punching press axle shell steel and production method thereof | |
| CN103469066B (en) | A kind of utilize plate mill to produce high-mouldability energy steel plate method and obtained steel plate | |
| CN102978511B (en) | Method for producing hot-rolled steel plate for automobile girder steel by low cost |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160413 |