CN108704951A - A kind of production method of large-scale steel ingot rolling super thick ultra-wide steel plate - Google Patents
A kind of production method of large-scale steel ingot rolling super thick ultra-wide steel plate Download PDFInfo
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- CN108704951A CN108704951A CN201810444189.1A CN201810444189A CN108704951A CN 108704951 A CN108704951 A CN 108704951A CN 201810444189 A CN201810444189 A CN 201810444189A CN 108704951 A CN108704951 A CN 108704951A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/74—Temperature control, e.g. by cooling or heating the rolls or the product
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Abstract
The invention discloses the production method that a kind of large-scale steel ingot rolls super thick ultra-wide steel plate, the production method includes heating, cogging, rolling, aligning, stacking slow cooling process；The heating process, before steel ingot shove charge, the good dead soaking pit steel loading of thermal technology's condition, furnace temperature is selected to dry in the air to 600~650 DEG C of steel loadings, bored 2~3h of steel after steel loading, then it heats up, heating rate≤60 DEG C/h are heated in soaking pit, maximum heating temperature is 1280 DEG C, 1240~1260 DEG C of soaking temperature, total heating time >=35h, soaking time >=15h.Steel plate maximum gauge 200mm, the maximum width 3800mm of the method for the present invention production, steel plate inspection meet I grades of NB/T47013.3-2015, and steel plate is organized as granular pearlite and ferrite, grain size >=8.0 grade, steel plate template unevenness≤3mm/m ,≤4mm/5m.
Description
Technical field
The invention belongs to metallurgical technology fields, and in particular to a kind of producer of large-scale steel ingot rolling super thick ultra-wide steel plate
Method.
Background technology
Change from fast development to mass type along with China's economy, super thick ultra-wide steel plate at home engineering project with steel master
The situation urgent need for relying on import is broken, and the super thick ultra-wide steel plate that exploitation possesses domestic independent intellectual property right substitutes imports, and meets
Domestic and external Larger Engineering Projects are imperative with high quality steel plate.
In conjunction with domestic Larger Engineering Projects steel plate demand, my company develops that template glacing flatness is excellent, grain size >=8.0
The high-quality super thick ultra-wide steel plate of grade, reaches domestically leading level, is in same starting line with external same domain enterprise, or even surmount state
Outer enterprise level.Realize that 5000 tons/year of order contract, 2500 yuan/ton of contributrion margin realize wound 12,500,000 yuan/year of effect.
Invention content
The technical problem to be solved in the present invention is to provide the production methods that a kind of large-scale steel ingot rolls super thick ultra-wide steel plate.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of large-scale steel ingot rolling super thick ultra-wide steel
The production method of plate, the production method include heating, cogging, rolling, aligning, stacking slow cooling process；The heating process, steel
Before ingot shove charge, it is necessary to select the good dead soaking pit steel loading of thermal technology's condition, furnace temperature is dried in the air to 600~650 DEG C of steel loadings, bored steel 2 after steel loading
~3h, then heats up, and heating rate≤60 DEG C/h are heated in soaking pit, and maximum heating temperature is 1280 DEG C, soaking temperature
1240~1260 DEG C of degree, total heating time >=35h, soaking time >=15h.
Cogging process of the present invention, steel ingot cogging specification 500mm × 3700mm, 100mm under the cropping cap mouth line of steel ingot,
Until width folding is cut only.
Rolling process of the present invention is rolled in two stages using II type controlled rolling process, and the first stage is Ovshinsky
Body recrystallizes the stage, and rolling temperature is 1050~1100 DEG C, and dry in the air 250~300mm of steel thickness.
Rolling process of the present invention, second stage are the austenite non-recrystallization stage, and start rolling temperature is 950~980 DEG C,
Finishing temperature is 900~930 DEG C, maximum 20~35mm of reduction in pass, and it is 65~80% to add up reduction ratio.
Aligning process of the present invention, upper straightening roll adjustable range are finished product thickness+1~3mm, operating pressure 1960N/
m2, torque 400N.m.
Stacking slow cooling process of the present invention, steel plate stacking slow cooling temperature >=350 DEG C, with hot steel plate lower berth upper cover, wind sheltering
Stacking, stacking time >=60h.
Steel plate maximum gauge 200mm, the maximum width 3800mm of the method for the invention production.
The steel plate of the method for the invention production is organized as granular pearlite and ferrite, grain size >=8.0 grade.
Steel plate template unevenness≤3mm/m ,≤4mm/5m of the method for the invention production.
The steel plate inspection of the method for the invention production meets I grades of NB/T47013.3-2015.
Large-scale steel ingot rolling super thick ultra-wide steel plate product standard of the present invention refers to NB/T47013.3-2015；Steel plate detection side
Method refers to ASME SA370/SA370M.
It is using advantageous effect caused by above-mentioned technical proposal：1, the steel plate maximum gauge of the method for the present invention production
200mm, maximum width 3800mm.2, the steel plate inspection of the method for the present invention production meets I grades of NB/T47013.3-2015.3, originally
The steel plate of inventive method production is organized as granular pearlite and ferrite, grain size >=8.0 grade.4, the steel of the method for the present invention production
Plate template unevenness≤3mm/m ,≤4mm/5m.5, the plate surface quality of the method for the present invention production and internal soundness all reach state
Interior top standard, even more than international counterparts industry are horizontal.6, product of the present invention realizes 5000 tons/year of order contract, contributrion margin
2500 yuan/ton, realize wound 12,500,000 yuan/year of effect.
Description of the drawings
Fig. 1 is 1 steel plate organization chart of embodiment；
Fig. 2 is 2 steel plate organization chart of embodiment；
Fig. 3 is 3 steel plate organization chart of embodiment；
Fig. 4 is 4 steel plate organization chart of embodiment；
Fig. 5 is 5 steel plate organization chart of embodiment.
Specific implementation mode
The present invention is described in further detail in the following with reference to the drawings and specific embodiments.
Embodiment 1
A kind of production method of large-scale steel ingot rolling super thick ultra-wide steel plate of the present embodiment includes heating, cogging, rolling, aligning, heap
Pile slow cooling operation, specific process step are as described below：
（1）Heating process：Before steel ingot shove charge, the good dead soaking pit steel loading of thermal technology's condition, furnace temperature is selected to dry in the air to 650 DEG C of steel loadings, dress
Bored steel 3h, then heats up after steel, and 60 DEG C/h of heating rate is heated in soaking pit, and maximum heating temperature is 1280 DEG C,
1260 DEG C of hot temperature, total heating time 45h, soaking time 25h；
（2）Cogging process：Steel ingot cogging specification 500mm × 3700mm, 100mm under the cropping cap mouth line of steel ingot, width folding are cut
Until net；
（3）Rolling process：It using II type controlled rolling process, is rolled in two stages, the first stage is austenite recrystallization rank
Section, rolling temperature are 1100 DEG C, and dry in the air steel thickness 300mm；
Second stage is the austenite non-recrystallization stage, and start rolling temperature is 980 DEG C, and finishing temperature is 930 DEG C, maximum passage pressure
35mm is measured, it is 80% to add up reduction ratio；
（4）Align process：Upper straightening roll adjustable range is finished product thickness+1mm, operating pressure 1960N/m2, torque 400N.m；
（5）Steel plate stacking slow cooling operation：450 DEG C of steel plate stacking slow cooling temperature, with hot steel plate lower berth upper cover, wind sheltering stacking, stacking
Time 80h.
Steel plate thickness 200mm, width 3800mm obtained by the present embodiment, flaw detection meet I grades of NB/T47013.3-2015, steel
Board group is woven to granular pearlite and ferrite, 8.0 grades of grain size, steel plate template unevenness 3mm/m, 4mm/5m；Steel plate knot of tissue
Structure is shown in Fig. 1.
Embodiment 2
A kind of production method of large-scale steel ingot rolling super thick ultra-wide steel plate of the present embodiment includes heating, cogging, rolling, aligning, heap
Pile slow cooling operation, specific process step are as described below：
（1）Heating process：Before steel ingot shove charge, the good dead soaking pit steel loading of thermal technology's condition, furnace temperature is selected to dry in the air to 650 DEG C of steel loadings, dress
Bored steel 2h, then heats up after steel, and 55 DEG C/h of heating rate is heated in soaking pit, and maximum heating temperature is 1280 DEG C,
1260 DEG C of hot temperature, total heating time 45h, soaking time 25h；
（2）Cogging process：Steel ingot cogging specification 500mm × 3700mm, 100mm under the cropping cap mouth line of steel ingot, width folding are cut
Until net；
（3）Rolling process：It using II type controlled rolling process, is rolled in two stages, the first stage is austenite recrystallization rank
Section, rolling temperature are 1050 DEG C, and dry in the air steel thickness 280mm；
Second stage is the austenite non-recrystallization stage, and start rolling temperature is 960 DEG C, and finishing temperature is 920 DEG C, maximum passage pressure
30mm is measured, it is 75% to add up reduction ratio；
（4）Align process：Upper straightening roll adjustable range is finished product thickness+3mm, operating pressure 1960N/m2, torque 400N.m；
（5）Steel plate stacking slow cooling operation：400 DEG C of steel plate stacking slow cooling temperature, with hot steel plate lower berth upper cover, wind sheltering stacking, stacking
Time 76h.
Steel plate thickness 170mm, width 3800mm obtained by the present embodiment, flaw detection meet I grades of NB/T47013.3-2015, steel
Board group is woven to granular pearlite and ferrite, 8.0 grades of grain size, steel plate template unevenness 3mm/m, 3mm/5m；Steel plate knot of tissue
Structure is shown in Fig. 2.
Embodiment 3
A kind of production method of large-scale steel ingot rolling super thick ultra-wide steel plate of the present embodiment includes heating, cogging, rolling, aligning, heap
Pile slow cooling operation, specific process step are as described below：
（1）Heating process：Before steel ingot shove charge, the good dead soaking pit steel loading of thermal technology's condition, furnace temperature is selected to dry in the air to 650 DEG C of steel loadings, dress
Bored steel 2h, then heats up after steel, and 50 DEG C/h of heating rate is heated in soaking pit, and maximum heating temperature is 1280 DEG C,
1240 DEG C of hot temperature, total heating time 35h, soaking time 23h；
（2）Cogging process：Steel ingot cogging specification 500mm × 3700mm, 100mm under the cropping cap mouth line of steel ingot, width folding are cut
Until net；
（3）Rolling process：It using II type controlled rolling process, is rolled in two stages, the first stage is austenite recrystallization rank
Section, rolling temperature are 1050 DEG C, and dry in the air steel thickness 250mm；
Second stage is the austenite non-recrystallization stage, and start rolling temperature is 950 DEG C, and finishing temperature is 900 DEG C, maximum passage pressure
25mm is measured, it is 70% to add up reduction ratio；
（4）Align process：Upper straightening roll adjustable range is finished product thickness+2mm, operating pressure 1960N/m2, torque 400N.m；
（5）Steel plate stacking slow cooling operation：400 DEG C of steel plate stacking slow cooling temperature, with hot steel plate lower berth upper cover, wind sheltering stacking, stacking
Time 75h.
Steel plate thickness 140mm, width 3680mm obtained by the present embodiment, flaw detection meet I grades of NB/T47013.3-2015, steel
Board group is woven to granular pearlite and ferrite, 8.5 grades of grain size, steel plate template unevenness 2mm/m, 4mm/5m；Steel plate knot of tissue
Structure is shown in Fig. 3.
Embodiment 4
A kind of production method of large-scale steel ingot rolling super thick ultra-wide steel plate of the present embodiment includes heating, cogging, rolling, aligning, heap
Pile slow cooling operation, specific process step are as described below：
（1）Heating process：Before steel ingot shove charge, the good dead soaking pit steel loading of thermal technology's condition, furnace temperature is selected to dry in the air to 600 DEG C of steel loadings, dress
Bored steel 2h, then heats up after steel, and 55 DEG C/h of heating rate is heated in soaking pit, and maximum heating temperature is 1280 DEG C,
1250 DEG C of hot temperature, total heating time 35h, soaking time 15h；
（2）Cogging process：Steel ingot cogging specification 500mm × 3700mm, 100mm under the cropping cap mouth line of steel ingot, width folding are cut
Until net；
（3）Rolling process：It using II type controlled rolling process, is rolled in two stages, the first stage is austenite recrystallization rank
Section, rolling temperature are 1050 DEG C, and dry in the air steel thickness 270mm；
Second stage is the austenite non-recrystallization stage, and start rolling temperature is 970 DEG C, and finishing temperature is 910 DEG C, maximum passage pressure
20mm is measured, it is 70% to add up reduction ratio；
（4）Align process：Upper straightening roll adjustable range is finished product thickness+1mm, operating pressure 1960N/m2, torque 400N.m；
（5）Steel plate stacking slow cooling operation：400 DEG C of steel plate stacking slow cooling temperature, with hot steel plate lower berth upper cover, wind sheltering stacking, stacking
Time 60h.
Steel plate thickness 100mm, width 3750mm obtained by the present embodiment, flaw detection meet I grades of NB/T47013.3-2015, steel
Board group is woven to granular pearlite and ferrite, 8.5 grades of grain size, steel plate template unevenness 3mm/m, 4mm/5m；Steel plate knot of tissue
Structure is shown in Fig. 4.
Embodiment 5
A kind of production method of large-scale steel ingot rolling super thick ultra-wide steel plate of the present embodiment includes heating, cogging, rolling, aligning, heap
Pile slow cooling operation, specific process step are as described below：
（1）Heating process：Before steel ingot shove charge, the good dead soaking pit steel loading of thermal technology's condition, furnace temperature is selected to dry in the air to 620 DEG C of steel loadings, dress
Bored steel 2h, then heats up after steel, and 60 DEG C/h of heating rate is heated in soaking pit, and maximum heating temperature is 1280 DEG C,
1245 DEG C of hot temperature, total heating time 43h, soaking time 18h；
（2）Cogging process：Steel ingot cogging specification 500mm × 3700mm, 100mm under the cropping cap mouth line of steel ingot, width folding are cut
Until net；
（3）Rolling process：It using II type controlled rolling process, is rolled in two stages, the first stage is austenite recrystallization rank
Section, rolling temperature are 1070 DEG C, and dry in the air steel thickness 290mm；
Second stage is the austenite non-recrystallization stage, and start rolling temperature is 960 DEG C, and finishing temperature is 900 DEG C, maximum passage pressure
25mm is measured, it is 65% to add up reduction ratio；
（4）Align process：Upper straightening roll adjustable range is finished product thickness+3mm, operating pressure 1960N/m2, torque 400N.m；
（5）Steel plate stacking slow cooling operation：350 DEG C of steel plate stacking slow cooling temperature, with hot steel plate lower berth upper cover, wind sheltering stacking, stacking
Time 68h.
Steel plate thickness 70mm, width 3800mm obtained by the present embodiment, flaw detection meet I grades of NB/T47013.3-2015, steel plate
It is organized as granular pearlite and ferrite, 8.5 grades of grain size, steel plate template unevenness 2mm/m, 3mm/5m；Steel plate institutional framework
See Fig. 5.
The above embodiments are only used to illustrate and not limit the technical solutions of the present invention, although with reference to above-described embodiment to this hair
It is bright to be described in detail, it will be understood by those of ordinary skill in the art that：Still can the present invention be modified or be waited
With replacing, without departing from the spirit or scope of the invention, or any substitutions, the power in the present invention should all be covered
In sharp claimed range.
Claims (10)
1. a kind of production method of large-scale steel ingot rolling super thick ultra-wide steel plate, which is characterized in that the production method include heating,
Cogging, rolling, aligning, stacking slow cooling process；The heating process before steel ingot shove charge, selects the good dead soaking pit of thermal technology's condition
Steel loading, furnace temperature are dried in the air to 600~650 DEG C of steel loadings, and then bored 2~3h of steel after steel loading heats up, heating rate≤60 DEG C/h,
Heating in soaking pit, maximum heating temperature are 1280 DEG C, 1240~1260 DEG C of soaking temperature, total heating time >=35h, when heat preservation
Between >=15h.
2. a kind of production method of large-scale steel ingot rolling super thick ultra-wide steel plate according to claim 1, which is characterized in that institute
State cogging process, steel ingot cogging specification 500mm × 3700mm, 100mm under the cropping cap mouth line of steel ingot, width folding is cut is only
Only.
3. a kind of production method of large-scale steel ingot rolling super thick ultra-wide steel plate according to claim 1, which is characterized in that institute
Rolling process is stated, using II type controlled rolling process, is rolled in two stages, the first stage is the austenite recrystallization stage, is rolled
Temperature processed is 1050~1100 DEG C, and dry in the air 250~300mm of steel thickness.
4. a kind of production method of large-scale steel ingot rolling super thick ultra-wide steel plate according to claim 1, which is characterized in that institute
State rolling process, second stage is the austenite non-recrystallization stage, and start rolling temperature is 950~980 DEG C, finishing temperature is 900~
930 DEG C, maximum 20~35mm of reduction in pass, it is 65~80% to add up reduction ratio.
5. a kind of production method of large-scale steel ingot rolling super thick ultra-wide steel plate according to claim 1, which is characterized in that institute
Aligning process is stated, upper straightening roll adjustable range is finished product thickness+1~3mm, operating pressure 1960N/m2, torque 400N.m.
6. a kind of production method of large-scale steel ingot rolling super thick ultra-wide steel plate according to claim 1, which is characterized in that institute
State stacking slow cooling process, steel plate stacking slow cooling temperature >=350 DEG C, with hot steel plate lower berth upper cover, wind sheltering stacking, the stacking time >=
60h。
7. a kind of production method of large-scale steel ingot rolling super thick ultra-wide steel plate according to claim 1-6 any one,
It is characterized in that, steel plate maximum gauge 200mm, the maximum width 3800mm of the method production.
8. a kind of production method of large-scale steel ingot rolling super thick ultra-wide steel plate according to claim 1-6 any one,
It is characterized in that, the steel plate of the method production is organized as granular pearlite and ferrite, grain size >=8.0 grade.
9. a kind of production method of large-scale steel ingot rolling super thick ultra-wide steel plate according to claim 1-6 any one,
It is characterized in that, steel plate template unevenness≤3mm/m ,≤4mm/5m of the method production.
10. a kind of production method of large-scale steel ingot rolling super thick ultra-wide steel plate according to claim 1-6 any one,
It is characterized in that, the steel plate inspection of the method production meets I grades of NB/T47013.3-2015.
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Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871083A (en) * | 2010-06-14 | 2010-10-27 | 南阳汉冶特钢有限公司 | Ultra-thick low-alloy high-strength Q345-series steel plate and production method thereof |
| CN102051522A (en) * | 2010-12-21 | 2011-05-11 | 南阳汉冶特钢有限公司 | Steel plate made of bainite structure high-strength toughness structural steel Q550D(E) and production method thereof |
| CN102061424A (en) * | 2010-12-21 | 2011-05-18 | 南阳汉冶特钢有限公司 | Super-thick Q390GJC-Z35 steel plate for high-rise buildings and production method thereof |
| CN102080183A (en) * | 2010-12-29 | 2011-06-01 | 南阳汉冶特钢有限公司 | Q345GJ series structural steel plates for ultra-thick building and production method thereof |
| CN102181801A (en) * | 2011-04-16 | 2011-09-14 | 舞阳钢铁有限责任公司 | High-weldability fine-grain low-alloy structural steel plate and production method thereof |
| CN102719757A (en) * | 2012-06-25 | 2012-10-10 | 宝山钢铁股份有限公司 | Nickel-free high-toughness 80kg-grade high-strength steel and manufacturing method thereof |
| CN103305752A (en) * | 2013-06-20 | 2013-09-18 | 舞阳钢铁有限责任公司 | Large-thickness high-performance SA302GrC steel plate and production method thereof |
| CN103469099A (en) * | 2013-09-06 | 2013-12-25 | 鞍钢股份有限公司 | Production method of low-alloy and high-strength thick plates |
| CN103484761A (en) * | 2013-09-06 | 2014-01-01 | 鞍钢股份有限公司 | Steel plate for tubular pile 40-60mm thick and production method thereof |
| CN104498826A (en) * | 2014-12-26 | 2015-04-08 | 南阳汉冶特钢有限公司 | Continuously cast 140-mm thick plate Q345E and production method thereof |
| CN104561772A (en) * | 2014-12-26 | 2015-04-29 | 南阳汉冶特钢有限公司 | Ultralow-temperature steel plate with thickness of 130-150 mm and production method for ultralow-temperature steel plate |
| CN105112815A (en) * | 2015-10-14 | 2015-12-02 | 山东钢铁股份有限公司 | Super-thick pipeline steel plate with excellent low-temperature toughness and production method |
| CN106048417A (en) * | 2016-07-11 | 2016-10-26 | 舞阳钢铁有限责任公司 | Low-alloy high-strength wear-resisting steel plate and production method thereof |
| CN106148832A (en) * | 2015-03-28 | 2016-11-23 | 鞍钢股份有限公司 | A kind of normalizing state common intensity sea work steel steel plate and production method thereof |
| CN106148846A (en) * | 2016-08-19 | 2016-11-23 | 山东钢铁股份有限公司 | A kind of thick-specification high-tenacity X80 pipe fitting steel steel plate and manufacture method |
| CN106544590A (en) * | 2016-10-17 | 2017-03-29 | 江阴兴澄特种钢铁有限公司 | 1000MPa grade high ductilities high-performance uniformity easily welds super-thick steel plate and its manufacture method |
| CN107177793A (en) * | 2017-04-07 | 2017-09-19 | 江阴兴澄特种钢铁有限公司 | A kind of special thick structural steel and iron of the low-alloy of 610mm of thickness 400 and its manufacture method |
| CN107326278A (en) * | 2017-06-22 | 2017-11-07 | 舞阳钢铁有限责任公司 | A kind of inexpensive super thick SS400 steel plates and its production method |
| CN107385328A (en) * | 2017-06-30 | 2017-11-24 | 江阴兴澄特种钢铁有限公司 | The low-alloy super-thick steel plate with superior internal quality, low-temperature impact toughness and anti-lamellar tearing performance of two base laminating productions |
-
2018
- 2018-05-10 CN CN201810444189.1A patent/CN108704951A/en active Pending
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871083A (en) * | 2010-06-14 | 2010-10-27 | 南阳汉冶特钢有限公司 | Ultra-thick low-alloy high-strength Q345-series steel plate and production method thereof |
| CN102051522A (en) * | 2010-12-21 | 2011-05-11 | 南阳汉冶特钢有限公司 | Steel plate made of bainite structure high-strength toughness structural steel Q550D(E) and production method thereof |
| CN102061424A (en) * | 2010-12-21 | 2011-05-18 | 南阳汉冶特钢有限公司 | Super-thick Q390GJC-Z35 steel plate for high-rise buildings and production method thereof |
| CN102080183A (en) * | 2010-12-29 | 2011-06-01 | 南阳汉冶特钢有限公司 | Q345GJ series structural steel plates for ultra-thick building and production method thereof |
| CN102181801A (en) * | 2011-04-16 | 2011-09-14 | 舞阳钢铁有限责任公司 | High-weldability fine-grain low-alloy structural steel plate and production method thereof |
| CN102719757A (en) * | 2012-06-25 | 2012-10-10 | 宝山钢铁股份有限公司 | Nickel-free high-toughness 80kg-grade high-strength steel and manufacturing method thereof |
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