CN103418613A - Rolling method capable of controlling tensile strength of stainless steel plate for thermonuclear fusion reactor - Google Patents
Rolling method capable of controlling tensile strength of stainless steel plate for thermonuclear fusion reactor Download PDFInfo
- Publication number
- CN103418613A CN103418613A CN2012101495958A CN201210149595A CN103418613A CN 103418613 A CN103418613 A CN 103418613A CN 2012101495958 A CN2012101495958 A CN 2012101495958A CN 201210149595 A CN201210149595 A CN 201210149595A CN 103418613 A CN103418613 A CN 103418613A
- Authority
- CN
- China
- Prior art keywords
- rolling
- steel plate
- stainless steel
- blank
- rolled
- 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
Images
Landscapes
- Heat Treatment Of Steel (AREA)
Abstract
The invention belongs to a steel plate rolling method, and particularly relates to a rolling method capable of controlling tensile strength of a stainless steel plate for a thermonuclear fusion reactor. The method includes the steps: firstly, selecting a blank; secondly, heating the stainless steel blank to the temperature of 1230-1310 DEG C, and controlling heating time to be longer than or equal to that of a stainless steel blank thickness valueX1minute; thirdly, performing extension rolling on the stainless steel blank along the width direction (Y-direction) first, when a difference value between the width of the rolled blank and the required width of a finished product is between +15 millimeters and +80 millimeters, stop rolling, rotating the steel plate by 90 degrees, rolling by extending along the X-direction, and finishing rolling until the thickness of the steel plate meets tolerance requirements in technical conditions. The method has the advantage that tensile strength and elongation performance differences between the width direction and the length direction of the steel plate satisfy that a value of [(length direction performance-width direction performance)/length direction performance]X100% ranges from 0% to 15%.
Description
Technical field
The invention belongs to the steel plate rolling method, be specifically related to a kind of milling method of thermonuclear fusion heap by the corrosion resistant plate hot strength of controlling.
Background technology
ITER plan (the international thermonuclear experimental reactor of International Thermonuclear Experimental Reactor) is the advanced Nuclear Power experimental project of European Union, the U.S., China, Japan, Russia, India, seven countries and regions' participation of Korea S.Its support system is very high with the stainless-steel sheet performance requirement, the tensile strength of steel plate length direction and width, elongation characteristics otherness Optimal Control is 0% to 15%, corrosion resistant plate according to the pair rolling explained hereafter, generally along a direction, be rolled (being rolling direction), make the interior tissue of rolling direction, the field trash deformation extent is controlled better, thereby tensile strength, elongation characteristics reaches very high numerical value, but vertical rolling direction, owing to there is no enough deformation extents, tensile strength, elongation characteristics and the rolling direction performance number value difference opposite sex are up to 40%.So large otherness can't meet the requirement of international thermonuclear experimental reactor.
Summary of the invention
The objective of the invention is the defect existed for prior art, a kind of thermonuclear fusion heap corrosion resistant plate milling method of steel plate machinery function admirable is provided.
The present invention is achieved in that a kind of milling method of thermonuclear fusion heap by the corrosion resistant plate hot strength of controlling, and comprises the steps
Step 1: slab selection
Rolled plate meet the following formula requirement,
Rolled plate width dimensions=(1.3 ~ 3.5) * stainless steel blank width size;
Rolled plate gauge=(0.02 ~ 0.3) * stainless steel sotck thinkness size;
Step 2: heating
By the stainless steel blank heating to temperature 1230-1310 ℃; The heat time heating time >=(stainless steel sotck thinkness numerical value * 1 minute) controlled
Step 3: rolling
On milling train, the stainless steel blank is first along width (Y-direction) rolling of being extended, blank width after rolling and final products require width difference processed in the time of+15 millimeters-+80 millimeters, stop rolling, the steel plate 90-degree rotation, be rolled along directions X is extended, until steel plate thickness meets the specification, during middle tolerance, complete rolling.
A kind of milling method of thermonuclear fusion heap by the corrosion resistant plate hot strength of controlling as above, wherein, the stainless steel sotck thinkness numerical value of step 2 uses millimeter as unit.
A kind of milling method of thermonuclear fusion heap by the corrosion resistant plate hot strength of controlling as above, wherein, when the finished product corrosion resistant plate, to be of a size of 30(thick) * 1500(is wide) * 5500-6500(is long), unit: during millimeter, in step 1, the preferred value of billet size is that 180(is thick) * 1000(is wide) * 1800(is long), unit: millimeter; In step 2, the preferred value of heat time heating time is 203 minutes; The step 3 operation of rolling is for first thick blank 180() * 1000(is wide) * 1800(is long) mm along the 1000mm direction extend (Y-direction) be rolled, when the base width reaches 1550mm, the steel plate 90-degree rotation, extend and be rolled along 1800mm direction (directions X), when steel plate thickness reaches 30.4mm, complete rolling.
A kind of milling method of thermonuclear fusion heap by the corrosion resistant plate hot strength of controlling as above, wherein, when the finished product corrosion resistant plate, to be of a size of 20(thick) * 1300(is wide) * 5500-6500(is long), unit: during millimeter, in step 1, the preferred value of billet size is that 160(is thick) * 900(is wide) * 1100(is long), unit: millimeter; In step 2, the preferred value of heat time heating time is 171 minutes; The step 3 operation of rolling is for first thick blank 160() * 900(is wide) * 1100(is long) mm along the 900mm direction extend (Y-direction) be rolled, when the base width reaches 1350mm, the steel plate 90-degree rotation, along being extended, 1100mm length direction (directions X) is rolled, when steel plate thickness reaches 20.3mm, complete rolling.
The invention has the advantages that: steel plate is in tensile strength, the elongation characteristics difference of width, length direction: the value of [(length direction performance-width performance) ÷ length direction performance] * 100% is at 0%-15%.
The accompanying drawing explanation
Fig. 1 is the direction of advance schematic diagram of steel plate while being rolled.
The specific embodiment
Before the present invention is done illustrating, at first the present invention is rolled corrosion resistant plate, as shown in Figure 1, directions X is the length direction of corrosion resistant plate, Y-direction is the width of corrosion resistant plate, is also the rolling direction of operation of rolling steel plate, and the Z direction is the thickness direction of corrosion resistant plate.
Below in conjunction with the specific embodiment, technical scheme of the present invention is further elaborated.
A kind of milling method of thermonuclear fusion heap by the corrosion resistant plate hot strength of controlling, comprise the steps:
Step 1: slab selection
Rolled plate meet the following formula requirement,
Rolled plate width dimensions=(1.3 ~ 3.5) * stainless steel blank width size;
Rolled plate gauge=(0.02 ~ 0.3) * stainless steel sotck thinkness size;
The described rolled plate width dimensions of this step refers to the width dimensions of the steel plate that rolling is good; The rolled plate gauge refers to the gauge of the steel plate that rolling is good.
Step 2: heating
By the stainless steel blank heating to temperature 1230-1310 ℃; The heat time heating time >=(stainless steel sotck thinkness numerical value * 1 minute) controlled.The stainless steel sotck thinkness numerical value of this step uses millimeter as unit.
Step 3: rolling
On milling train, the stainless steel blank is first along width (Y-direction) rolling of being extended, blank width after rolling and final products require width difference processed in the time of+15 millimeters-+80 millimeters, stop rolling, the steel plate 90-degree rotation, be rolled along directions X is extended, until steel plate thickness meets the specification, during middle tolerance, complete rolling.
Below provide two concrete examples.
Embodiment mono-:
Step 1: slab selection
The finished product 316LN stainless-steel sheet of plan rolling: 30(is thick) * 1500(is wide) * 5500-6500(is long), unit: millimeter.
Blank is of a size of: 180(is thick) * 1000(is wide) * 1800(is long), unit: millimeter.
Rolled plate width dimensions (1500mm)=1.5 * blank width size (1000mm);
Rolled plate gauge (30mm)=0.167 * sotck thinkness size (180mm).
Step 2: heating
Two roller cogging-4-roller hot-rolling mills are rolled.
Blank heating temperature 1230-1250 ℃; 203 minutes heat time heating times, be greater than (slab thickness numerical value * 1 minute).
Step 3: rolling
After blank goes out heating furnace, first thick blank 180() * 1000(is wide) * 1800(is long) mm is rolled along 1000mm direction extension (Y-direction), when the base width reaches 1550mm, the steel plate 90-degree rotation, extend and be rolled along 1800mm direction (directions X), when steel plate thickness reaches 30.4mm, complete rolling.
After swarf, be of a size of: 30(is thick) * 1500(is wide) * 6200(is long) mm.Then cut 2 30(thick) * 1500(is wide) * 2600(is long) steel plate of mm.
Through experimental test, the mechanical performance of the corrosion resistant plate that in this example, rolling is good is as follows:
Directions X: tensile strength 593Mp/mm2; Percentage elongation 56%.
Y-direction: tensile strength 566Mp/mm2; Percentage elongation 49%.
[(directions X tensile strength properties-Y-direction tensile strength properties) ÷ directions X tensile strength properties] * 100%=4.6%<15%.
[(directions X elongation characteristics-Y-direction elongation characteristics) ÷ directions X elongation characteristics] * 100%=12.5%<15%.
Embodiment bis-:
Step 1: slab selection
The finished product 316LN stainless-steel sheet of plan rolling: 20(is thick) * 1300(is wide) * 5500-6500(is long), unit: millimeter.
Blank is of a size of: 160(is thick) * 900(is wide) * 1100(is long), unit: millimeter.
Rolled plate width dimensions (1300mm)=1.44 * blank width size (900mm);
Rolled plate gauge (20mm)=0.125 * sotck thinkness size (160mm).
Step 2: heating
Two roller cogging-4-roller hot-rolling mills are rolled.
Blank heating temperature 1250-1280 ℃; 171 minutes heat time heating times, be greater than (slab thickness numerical value mm * 1 minute).
Step 3: rolling
After blank goes out heating furnace, first thick blank 160() * 900(is wide) * 1100(is long) mm is rolled along 900mm direction extension (Y-direction), when the base width reaches 1350mm, the steel plate 90-degree rotation, along being extended, 1100mm length direction (directions X) is rolled, when steel plate thickness reaches 20.3mm, complete rolling.
After swarf, be of a size of: 20(is thick) * 1300(is wide) * 5500(is long) mm.Then the plate size that cutting needs: 20(is thick) * 240(is wide) * 2546(is long) mm.
Through experimental test, the mechanical performance of the corrosion resistant plate that in this example, rolling is good is as follows:
Directions X: tensile strength 613Mp/mm2; Percentage elongation 51%.
Y-direction: tensile strength 592Mp/mm2; Percentage elongation 47%.
[(directions X tensile strength properties-Y-direction tensile strength properties) ÷ directions X tensile strength properties] * 100%=7.8%<15%.
[(directions X elongation characteristics-Y-direction elongation characteristics) ÷ directions X elongation characteristics] * 100%=3.4%<15%.
Produce the mechanical performance of this steel plate under general technology:
Directions X: tensile strength 593Mp/mm2; Percentage elongation 56%.
Y-direction: tensile strength 502Mp/mm2; Percentage elongation 41%.
[(directions X tensile strength properties-Y-direction tensile strength properties) ÷ directions X tensile strength properties] * 100%=15.3%>15%.
[(directions X elongation characteristics-Y-direction elongation characteristics) ÷ directions X elongation characteristics] * 100%=26.8%>15%.
Known by contrasting, the application's embodiment 1 and the steel plate mechanical performance of embodiment 2 all are better than the steel plate that conventional art is produced.
Claims (4)
1. control the milling method of thermonuclear fusion heap by the corrosion resistant plate hot strength for one kind, it is characterized in that: comprise the steps
Step 1: slab selection
Rolled plate meet the following formula requirement,
Rolled plate width dimensions=(1.3 ~ 3.5) * stainless steel blank width size;
Rolled plate gauge=(0.02 ~ 0.3) * stainless steel sotck thinkness size;
Step 2: heating
By the stainless steel blank heating to temperature 1230-1310 ℃; The heat time heating time >=(stainless steel sotck thinkness numerical value * 1 minute) controlled
Step 3: rolling
On milling train, the stainless steel blank is first along width (Y-direction) rolling of being extended, blank width after rolling and final products require width difference processed in the time of+15 millimeters-+80 millimeters, stop rolling, the steel plate 90-degree rotation, be rolled along directions X is extended, until steel plate thickness meets the specification, during middle tolerance, complete rolling.
2. a kind of thermonuclear fusion heap milling method by the corrosion resistant plate hot strength of controlling as claimed in claim 1 is characterized in that: the stainless steel sotck thinkness numerical value of step 2 with millimeter as unit.
3. a kind of thermonuclear fusion heap milling method by the corrosion resistant plate hot strength of controlling as claimed in claim 2, it is characterized in that: when the finished product corrosion resistant plate, to be of a size of 30(thick) * 1500(is wide) * 5500-6500(is long), unit: during millimeter, in step 1, the preferred value of billet size is that 180(is thick) * 1000(is wide) * 1800(is long), unit: millimeter; In step 2, the preferred value of heat time heating time is 203 minutes; The step 3 operation of rolling is for first thick blank 180() * 1000(is wide) * 1800(is long) mm along the 1000mm direction extend (Y-direction) be rolled, when the base width reaches 1550mm, the steel plate 90-degree rotation, extend and be rolled along 1800mm direction (directions X), when steel plate thickness reaches 30.4mm, complete rolling.
4. a kind of thermonuclear fusion heap milling method by the corrosion resistant plate hot strength of controlling as claimed in claim 2, it is characterized in that: when the finished product corrosion resistant plate, to be of a size of 20(thick) * 1300(is wide) * 5500-6500(is long), unit: during millimeter, in step 1, the preferred value of billet size is that 160(is thick) * 900(is wide) * 1100(is long), unit: millimeter; In step 2, the preferred value of heat time heating time is 171 minutes; The step 3 operation of rolling is for first thick blank 160() * 900(is wide) * 1100(is long) mm along the 900mm direction extend (Y-direction) be rolled, when the base width reaches 1350mm, the steel plate 90-degree rotation, along being extended, 1100mm length direction (directions X) is rolled, when steel plate thickness reaches 20.3mm, complete rolling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101495958A CN103418613A (en) | 2012-05-15 | 2012-05-15 | Rolling method capable of controlling tensile strength of stainless steel plate for thermonuclear fusion reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101495958A CN103418613A (en) | 2012-05-15 | 2012-05-15 | Rolling method capable of controlling tensile strength of stainless steel plate for thermonuclear fusion reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103418613A true CN103418613A (en) | 2013-12-04 |
Family
ID=49644286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101495958A Pending CN103418613A (en) | 2012-05-15 | 2012-05-15 | Rolling method capable of controlling tensile strength of stainless steel plate for thermonuclear fusion reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103418613A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5961504A (en) * | 1982-09-30 | 1984-04-07 | Nippon Kokan Kk <Nkk> | Rolling method of thick plate |
| JP3621915B2 (en) * | 2001-12-11 | 2005-02-23 | 新日本製鐵株式会社 | Thick steel plate rolling method |
| CN101797583A (en) * | 2010-01-25 | 2010-08-11 | 洛阳铜一金属材料发展有限公司 | Preparation method for aluminum-stainless steel clad metal plate and strip |
| CN101892421A (en) * | 2009-12-31 | 2010-11-24 | 宝钢集团新疆八一钢铁有限公司 | Automobile beam steel low-niobium strengthened production process |
| CN102312175A (en) * | 2011-07-01 | 2012-01-11 | 山西太钢不锈钢股份有限公司 | Method for manufacturing stainless steel plate used for thermonuclear fusion reactor |
-
2012
- 2012-05-15 CN CN2012101495958A patent/CN103418613A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5961504A (en) * | 1982-09-30 | 1984-04-07 | Nippon Kokan Kk <Nkk> | Rolling method of thick plate |
| JP3621915B2 (en) * | 2001-12-11 | 2005-02-23 | 新日本製鐵株式会社 | Thick steel plate rolling method |
| CN101892421A (en) * | 2009-12-31 | 2010-11-24 | 宝钢集团新疆八一钢铁有限公司 | Automobile beam steel low-niobium strengthened production process |
| CN101797583A (en) * | 2010-01-25 | 2010-08-11 | 洛阳铜一金属材料发展有限公司 | Preparation method for aluminum-stainless steel clad metal plate and strip |
| CN102312175A (en) * | 2011-07-01 | 2012-01-11 | 山西太钢不锈钢股份有限公司 | Method for manufacturing stainless steel plate used for thermonuclear fusion reactor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103045906B (en) | Process method of producing high-grade TC4 alloy hot rolled plate with high material-obtaining rate and low cost | |
| CN103882351B (en) | A kind of method preparing Al-Li alloy superplasticity sheet material | |
| CN102825065B (en) | Rolling method for steel plates of wide and thin specifications | |
| CN103143660B (en) | Preparation method of TC17 titanium alloy flat square section bar | |
| CN106862269A (en) | It is a kind of to suppress the method that magnesium alloy plate edge splits | |
| CN103433320B (en) | A kind of processing method being prepared titanium anode plate by Titanium board base | |
| CN102284482B (en) | Method for effectively controlling horizontal-edge crack of medium-thickness plate | |
| CN105234174A (en) | Method for rolling ultra-thin magnesium or magnesium alloy band | |
| CN103111464A (en) | Manufacturing method of super-thick steel plate | |
| CN103722009A (en) | Bar continuous rolling production line | |
| CN103212572B (en) | Method for rolling magnesium alloy plate | |
| CN105018872B (en) | A kind of method producing high-quality pure titanium hot rolled plate | |
| CN102649123B (en) | Method for producing extra thick composite board through dissymmetrical composite rolling | |
| CN102284492A (en) | Hot rolling H-beam steel finishing roll opening and hot pressing H-beam steel processing technology | |
| CN102728615B (en) | Rolling processing method for wide magnesium-alloy sheet | |
| CN110004359A (en) | A kind of high uniform vertically and horizontally toughness wide cut steel plate and its TMCP technique production method | |
| CN103418613A (en) | Rolling method capable of controlling tensile strength of stainless steel plate for thermonuclear fusion reactor | |
| CN106623419B (en) | The cold rolling production method of controlled expansion alloy band | |
| CN102909236A (en) | Preparing method of wide-width pure titanium roll | |
| CN102430571B (en) | Four-roll hot milling device for production of magnesium alloy coils | |
| CN102492908A (en) | Manufacturing method for thin Zr4 alloy strip with special structure | |
| CN101637782B (en) | Control method of edge thinning of cold-rolled electric steel of HC rolling mill | |
| CN103624088A (en) | Method for eliminating transverse cracks on steel plate tail | |
| CN104400368A (en) | Method for manufacturing metal rack by virtue of profiling rolling | |
| CN104475450B (en) | A kind of milling method of spinning crucible wide cut molybdenum plate band |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131204 |