CN102796957A - Steel plate for high toughness 15CrMoR pressure container - Google Patents
Steel plate for high toughness 15CrMoR pressure container Download PDFInfo
- Publication number
- CN102796957A CN102796957A CN2012103162634A CN201210316263A CN102796957A CN 102796957 A CN102796957 A CN 102796957A CN 2012103162634 A CN2012103162634 A CN 2012103162634A CN 201210316263 A CN201210316263 A CN 201210316263A CN 102796957 A CN102796957 A CN 102796957A
- Authority
- CN
- China
- Prior art keywords
- steel
- 15crmor
- rolling
- steel plate
- temperature
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 63
- 239000010959 steel Substances 0.000 title claims abstract description 63
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 9
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 7
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 7
- 239000012535 impurity Substances 0.000 claims abstract description 7
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000005096 rolling process Methods 0.000 claims description 32
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 14
- 238000005266 casting Methods 0.000 claims description 9
- 229910052786 argon Inorganic materials 0.000 claims description 7
- 238000002360 preparation method Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 6
- 238000007670 refining Methods 0.000 claims description 6
- 238000010079 rubber tapping Methods 0.000 claims description 6
- 238000003723 Smelting Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 239000005864 Sulphur Substances 0.000 claims description 4
- 238000007669 thermal treatment Methods 0.000 claims description 4
- WNQQFQRHFNVNSP-UHFFFAOYSA-N [Ca].[Fe] Chemical compound [Ca].[Fe] WNQQFQRHFNVNSP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000010583 slow cooling Methods 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 241001062472 Stokellia anisodon Species 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 238000006477 desulfuration reaction Methods 0.000 claims description 2
- 230000023556 desulfurization Effects 0.000 claims description 2
- 230000003009 desulfurizing effect Effects 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 238000009966 trimming Methods 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 abstract description 5
- 229910052758 niobium Inorganic materials 0.000 abstract description 2
- 229910052719 titanium Inorganic materials 0.000 abstract description 2
- 229910052720 vanadium Inorganic materials 0.000 abstract description 2
- 239000011651 chromium Substances 0.000 abstract 2
- 239000011572 manganese Substances 0.000 abstract 2
- 229910052750 molybdenum Inorganic materials 0.000 abstract 2
- 239000011733 molybdenum Substances 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 abstract 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052698 phosphorus Inorganic materials 0.000 abstract 1
- 239000011574 phosphorus Substances 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 239000011593 sulfur Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001417490 Sillaginidae Species 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- VNTLIPZTSJSULJ-UHFFFAOYSA-N chromium molybdenum Chemical compound [Cr].[Mo] VNTLIPZTSJSULJ-UHFFFAOYSA-N 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Heat Treatment Of Steel (AREA)
Abstract
The invention relates to the manufacturing field of steel for a chrome-molybdenum heat resistant pressure container, in particular to a steel plate for a high toughness 15CrMoR pressure container. The steel plate is prepared by the following components in percentage by mass: 0.14-0.18% of C (Carbon), 0.15-0.40% of Si (Silicon), 0.45-0.70% of Mn (Manganese), no more than 0.020% of P (Phosphorus), no more than 0.005% of S (Sulfur), 0.90-1.10% of Cr (Chromium), 0.45-0.60% of Mo (Molybdenum) and the balance of Fe (Ferrum) and inevitable impurities. The steel plate for the high toughness 15CrMoR pressure container, provided by the invention, has the advantages as follows: (1) as impact toughness of 15CrMoR is high, low temperature impact performance is that transverse impact is not less than 80 J at -40 DEG C and far higher than the nationally specified transverse impact; (2) pure steel quality and low content of harmful elements such as S and the like; (3) as refined grain elements, such as Nb, V, Ti and the like, are not added, cost is greatly saved; and (4) when a requirement on low temperature toughness is satisfied, good conventional properties and good high-temperature tensile properties are obtained.
Description
Technical field
The present invention relates to chromium-molybdenum is that heat-resisting steels for pressure vessel use is made the field, specifically is meant a kind of H.T. 15CrMoR steel heavy plate for pressure vessels.
Background technology
The 15CrMoR steel is that a petrochemical equipment middle temperature and pressure force container commonly used is used steel grade; Because work under higher temperature and pressure; Therefore its service condition is abominable, requires material will have higher heat resistance, good toughness plasticity, erosion resistance and welding property.
Though 15CrMoR high temperature steel pressurized vessel great majority are at high temperature to work; But after pressurized vessel and pipeline manufacturing completion, will at normal temperatures even possibly under extreme climate, carry out the water test of pressure 1.25 multiplication of voltage power; And after installation has been overhauled; Also will experience the water test and cold start-up process, therefore, this steel grade also will have certain anti-brittle failure property on the basis that guarantees its fundamental property.In addition; The container that this steel grade is made is operation at high temperature for a long time, does not have during parking to prevent the too fast measure of lowering the temperature reliably, causes thermal fatigue and temperature stress big; So when this steel grade of design, also will consider its toughness deposit, the ability of its resistance to deformation and temperature variation is strengthened.Conventional 15CrMoR container steel is according to stipulating among the GB713-2008 that impelling strength requires to reach 20 ℃ of transverse impact >=31J and gets final product, and far can not satisfy certain user's particular requirement, makes the application of this steel grade receive certain restriction.
Summary of the invention
The object of the present invention is to provide a kind of H.T. 15CrMoR steel heavy plate for pressure vessels.
The present invention realizes through following technical scheme:
A kind of H.T. 15CrMoR steel heavy plate for pressure vessels is prepared from following component by mass percent: C:0.14～0.18%, Si:0.15～0.40%; Mn:0.45～0.70%; P≤0.020%, S≤0.005%, Cr:0.90～1.10%; Mo:0.45～0.60%, other are Fe and unavoidable impurities.
Above-mentioned steel plate thickness is 10～80mm, and the steel plate thickness of optimization is 20～60mm.
Above-mentioned H.T. 15CrMoR steel heavy plate for pressure vessels, they are transverse impact >=80J in the time of-40 ℃.
The preparation method of above-mentioned a kind of H.T. 15CrMoR steel heavy plate for pressure vessels, its concrete steps are:
1) smelt: raw material is reduced to below 0.003% the massfraction of sulphur through molten iron KR pretreatment desulfurizing, through the 120t top and bottom combined blown converter smelting; Send into the refining of LF refining furnace behind the ladle argon-blown again, carry out trimming, desulfurization makes massfraction≤0.005% of sulphur again, and temperature control to 1600～1650 ℃; In the VD stove, carry out vacuum outgas then and handle, reduce oxygen, nitrogen and hydrogen content, make [O]≤30PPM, [N]≤40PPM; [H]≤2PPM, and further even composition, the empty time of fidelity was not less than 15 minutes; Processing utilizes feeding wire machine to feed calcium iron wire 2m/t fast with 180～210m/min speed after finishing; After the line feeding molten steel is carried out stirring a little less than the soft blow argon, the soft blow argon time was not less than 10 minutes, argon gas stream 80～150L/min; Molten steel smelting component after the processing guarantees P≤0.020%, S≤0.005%.
2) casting: go up 270mm * 2100mm section slab caster cast behind the VD stove vacuum breaker, casting machine adopts fan-shaped section induction stirring and strand gently to depress technology in the casting process, and the stacking slow cooling time was not less than 48 hours after continuously cast bloom rolled off the production line;
3) heating: strand is at stove coefficient heat-up time 0.9～1.1min/mm; 1140～1200 ℃ of the tapping temperatures of steel billet;
4) rolling: in the operation of rolling, rolling employing is thick, finish rolling is rolling stage by stage, roughing mill start rolling temperature >=1100 ℃; Adopt low speed to depress rolling technology greatly, the intermediate blank thickness of assurance [10,50] mm specification is not less than 2.5 times of finished product thickness; (50; 80] the intermediate blank thickness of mm specification is not less than 2 times of finished product thickness, and the steel plate finish rolling below the thickness 12mm is temperature control not, 12mm with upper steel plate finish rolling start rolling temperature by 900～980 ℃ of controls; Finishing temperature is by 840～920 ℃ of controls, air cooling behind the steel plate rolling;
5) thermal treatment: the normalizing treatment temperature is 890～930 ℃, in-furnace time 1.4～1.8min/mm and the minimum 30min that is not less than; 600～700 ℃ of temper temperature, in-furnace time 2.0～3.0min/mm and the minimum 60min that is not less than, steel plate come out of the stove the back air cooling to room temperature, and this moment, steel plate thickness was 10～80mm.
H.T. 15CrMoR steel heavy plate for pressure vessels of the present invention through pure steel, optimization temperature-controlled rolling and thermal treatment process, obtains ideal perlite+ferritic structure; Its uniform crystal particles is tiny; On the basis of normal temperature stretching, high temperature tensile properties conformance with standard GB713-2008, improved its impelling strength greatly ,-40 ℃ of transverse impact merit >=80J; Impact test temperature is lower than 20 ℃ of GB regulation and reaches 60 ℃; And ballistic work reaches as high as 137J, can reach 3～4 times of GB prescribed value, has satisfied the processing and manufacturing of user under particular surroundings and the toughness reserve requirements aspect the use.
The present invention has the following advantages: (1) 15CrMoR impelling strength is high, and low temperature impact properties reaches-40 ℃ of transverse impact >=80J, stipulates far above GB.(2) steel of the present invention is pure, and harmful element content such as S are low; (3) do not add crystal grain thinning elements such as Nb, V, Ti, practiced thrift cost greatly; (4) under the requirement of satisfying low-temperature flexibility, traditional performance and high temperature tensile properties are good;
Embodiment
Further specify the present invention through following specific embodiment:
Embodiment one
The H.T. 15CrMoR steel heavy plate for pressure vessels of present embodiment is to be prepared from following component by mass percent: C:0.18%, Si:0.23%, Mn:0.55%; P:0.016%, S:0.002%, Cr:1.03%; Mo:0.46%, surplus is Fe and unavoidable impurities;
The preparation method of the H.T. 15CrMoR steel heavy plate for pressure vessels of present embodiment is following:
1) smelts: after the raw material molten iron KR pre-treatment,, send into the refining of LF refining furnace behind the ladle argon-blown again through top and bottom combined blown converter smelting; In the VD stove, carry out vacuum-treat then; The empty 17 minutes time of fidelity, processing finishes back feeding calcium iron wire 2m/t, and the soft blow argon is 10 minutes after the line feeding;
2) casting: go up the continuous caster cast behind the VD stove vacuum breaker, casting machine adopts fan-shaped section induction stirring and strand gently to depress technology in the casting process, and stacking slow cooling was 48 hours after continuously cast bloom rolled off the production line;
3) heating: strand time inside furnace 4 hours, 1150 ℃ of tapping temperatures;
4) rolling: employing is thick, finish rolling is rolling stage by stage, and rolling intermediate blank thickness is 100mm, 940 ℃ of finish rolling start rolling temperatures, and mill product steel plate specification is 36mm;
5) thermal treatment: the normalizing treatment temperature is 910 ℃, in-furnace time 55min; 650 ℃ of tempering temperatures, air cooling after in-furnace time 90min, steel plate come out of the stove.
Embodiment two
The H.T. 15CrMoR steel heavy plate for pressure vessels of present embodiment is to be prepared from following component by mass percent: C:0.17%, Si:0.25%, Mn:0.55%; P:0.012%, S:0.002%, Cr:1.03%; Mo:0.47%, surplus is Fe and unavoidable impurities.
The preparation method of the H.T. 15CrMoR steel heavy plate for pressure vessels of present embodiment is with embodiment one, and difference is that the empty time of VD stove fidelity is 15 minutes, and strand heat-up time in stove is 4.5 hours, 1180 ℃ of tapping temperatures.
Embodiment three
The H.T. 15CrMoR steel heavy plate for pressure vessels of present embodiment is to be prepared from following component by mass percent: C:0.17%, Si:0.27%, Mn:0.55%; P:0.017%, S:0.001%, Cr:0.94%; Mo:0.46%, surplus is Fe and unavoidable impurities.
The preparation method of the H.T. 15CrMoR steel heavy plate for pressure vessels of present embodiment is with embodiment one, and difference is that the empty time of VD stove fidelity is 15 minutes, and continuously cast bloom is 4.5 hours in process furnace heat-up time; 1180 ℃ of tapping temperatures, finishing mill start rolling temperature are 950 ℃, and mill product steel plate specification is 40mm; The normalizing treatment temperature is 920 ℃; In-furnace time is 60 minutes, and the temper temperature is 660 ℃, and in-furnace time is 100 minutes.
Embodiment four
The H.T. 15CrMoR steel heavy plate for pressure vessels of present embodiment is to be prepared from following component by mass percent: C:0.16%, Si:0.25%, Mn:0.53%; P:0.014%, S:0.001%, Cr:0.93%; Mo:0.46%, surplus is Fe and unavoidable impurities.
The preparation method of the H.T. 15CrMoR steel heavy plate for pressure vessels of present embodiment is with embodiment one, and difference is that the empty time of VD stove fidelity is 15 minutes, and continuously cast bloom is 4.5 hours in process furnace heat-up time; 1180 ℃ of tapping temperatures, rolling intermediate blank thickness is 130mm, the finishing mill start rolling temperature is 950 ℃; Mill product steel plate specification is 56mm, and the normalizing treatment temperature is 920 ℃, and in-furnace time is 85 minutes; The temper temperature is 660 ℃, and in-furnace time is 140 minutes.15CrMoR steel heavy plate for pressure vessels to preparation among the above embodiment one to four carries out Mechanics Performance Testing, like table 1,2, shown in 3.
Claims (5)
1. a H.T. 15CrMoR steel heavy plate for pressure vessels is characterized in that: be prepared from following component by mass percent: C:0.14～0.18%, Si:0.15～0.40%; Mn:0.45～0.70%; P≤0.020%, S≤0.005%, Cr:0.90～1.10%; Mo:0.45～0.60%, other are Fe and unavoidable impurities.
2. a kind of H.T. 15CrMoR steel heavy plate for pressure vessels according to claim 1 is characterized in that: said steel plate thickness is 10～80mm.
3. a kind of H.T. 15CrMoR steel heavy plate for pressure vessels according to claim 2 is characterized in that: said steel plate thickness is 20～60mm.
4. H.T. 15CrMoR steel heavy plate for pressure vessels according to claim 1 is characterized in that: described H.T. 15CrMoR steel heavy plate for pressure vessels, they are transverse impact >=80J in the time of-40 ℃.
5. the preparation method of a kind of H.T. 15CrMoR steel heavy plate for pressure vessels according to claim 1, its concrete steps are:
Smelt: raw material is reduced to below 0.003% the massfraction of sulphur through molten iron KR pretreatment desulfurizing, through the 120t top and bottom combined blown converter smelting; Send into the refining of LF refining furnace behind the ladle argon-blown again, carry out trimming, desulfurization makes massfraction≤0.005% of sulphur again, and temperature control to 1600～1650 ℃; In the VD stove, carry out vacuum outgas then and handle, reduce oxygen, nitrogen and hydrogen content, make [O]≤30PPM, [N]≤40PPM; [H]≤2PPM, and further even composition, the empty time of fidelity was not less than 15 minutes; Processing utilizes feeding wire machine to feed calcium iron wire 2m/t fast with 180～210m/min speed after finishing; After the line feeding molten steel is carried out stirring a little less than the soft blow argon, the soft blow argon time was not less than 10 minutes, argon gas stream 80～150L/min; Molten steel smelting component after the processing guarantees P≤0.020%, S≤0.005%;
Casting: go up 270mm * 2100mm section slab caster cast behind the VD stove vacuum breaker, casting machine adopts fan-shaped section induction stirring and strand gently to depress technology in the casting process, and the stacking slow cooling time was not less than 48 hours after continuously cast bloom rolled off the production line;
Heating: strand is at stove coefficient heat-up time 0.9～1.1min/mm; 1140～1200 ℃ of the tapping temperatures of steel billet;
Rolling: in the operation of rolling, rolling employing is thick, finish rolling is rolling stage by stage, roughing mill start rolling temperature >=1100 ℃; Adopt low speed to depress rolling technology greatly, the intermediate blank thickness of assurance [10,50] mm specification is not less than 2.5 times of finished product thickness; (50; 80] the intermediate blank thickness of mm specification is not less than 2 times of finished product thickness, and the steel plate finish rolling below the thickness 12mm is temperature control not, 12mm with upper steel plate finish rolling start rolling temperature by 900～980 ℃ of controls; Finishing temperature is by 840～920 ℃ of controls, air cooling behind the steel plate rolling;
Thermal treatment: the normalizing treatment temperature is 890～930 ℃, in-furnace time 1.4～1.8min/mm and the minimum 30min that is not less than; 600～700 ℃ of temper temperature, in-furnace time 2.0～3.0min/mm and the minimum 60min that is not less than, steel plate come out of the stove the back air cooling to room temperature, and this moment, steel plate thickness was 10～80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210316263.4A CN102796957B (en) | 2012-08-31 | 2012-08-31 | Steel plate for high toughness 15CrMoR pressure container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210316263.4A CN102796957B (en) | 2012-08-31 | 2012-08-31 | Steel plate for high toughness 15CrMoR pressure container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102796957A true CN102796957A (en) | 2012-11-28 |
| CN102796957B CN102796957B (en) | 2014-04-16 |
Family
ID=47196249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210316263.4A Expired - Fee Related CN102796957B (en) | 2012-08-31 | 2012-08-31 | Steel plate for high toughness 15CrMoR pressure container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102796957B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103469107A (en) * | 2013-09-18 | 2013-12-25 | 济钢集团有限公司 | A517Gr.B large pressure steel plate with low cost and high toughness and production method thereof |
| CN103468872A (en) * | 2013-09-18 | 2013-12-25 | 济钢集团有限公司 | Low-compression-ratio extremely thick vessel plate production process |
| CN104805380A (en) * | 2015-05-06 | 2015-07-29 | 山东钢铁股份有限公司 | Low-temper-brittleness Cr-Mo steel plate for high temperature resisting pressure-bearing equipment and preparation method of steel plate |
| CN104894477A (en) * | 2014-03-05 | 2015-09-09 | 鞍钢股份有限公司 | Production method of steel for 15CrMoR hydrogen-contacting equipment |
| CN107159710A (en) * | 2017-05-23 | 2017-09-15 | 舞阳钢铁有限责任公司 | A kind of milling method of the special thickness 15CrMoR steel plates of electroslag type |
| CN107805757A (en) * | 2016-09-09 | 2018-03-16 | 中国石化工程建设有限公司 | A kind of low alloy steel and preparation method thereof |
| CN108359894A (en) * | 2018-02-23 | 2018-08-03 | 舞阳钢铁有限责任公司 | The big thickness low-alloy chrome molybdenum steel plate of low-temperature impact-resistant and its production method |
| CN108359902A (en) * | 2018-04-08 | 2018-08-03 | 无锡市法兰锻造有限公司 | A kind of high performance alloys steel flange and forging and its manufacturing method |
| CN109913755A (en) * | 2019-03-22 | 2019-06-21 | 山东钢铁股份有限公司 | A kind of peritectic steel and preparation method thereof |
| CN111926244A (en) * | 2020-07-09 | 2020-11-13 | 舞阳钢铁有限责任公司 | 15CrMoR steel plate with good low-temperature impact toughness and production method thereof |
| CN114752853A (en) * | 2022-03-24 | 2022-07-15 | 安阳钢铁股份有限公司 | Production method for producing steel plate for medium-high temperature pressure vessel by adopting chromium-molybdenum alloy |
| CN114959449A (en) * | 2022-04-22 | 2022-08-30 | 安阳钢铁股份有限公司 | Production method of low-yield-ratio chromium-molybdenum alloy steel |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101144138A (en) * | 2007-11-01 | 2008-03-19 | 济南钢铁股份有限公司 | Steel plate for low temperature pressure container and producing method thereof |
-
2012
- 2012-08-31 CN CN201210316263.4A patent/CN102796957B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101144138A (en) * | 2007-11-01 | 2008-03-19 | 济南钢铁股份有限公司 | Steel plate for low temperature pressure container and producing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 刘学明: "15CrMoR钢变形抗力及连续转变研究", 《焊接技术》 * |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103469107A (en) * | 2013-09-18 | 2013-12-25 | 济钢集团有限公司 | A517Gr.B large pressure steel plate with low cost and high toughness and production method thereof |
| CN103468872A (en) * | 2013-09-18 | 2013-12-25 | 济钢集团有限公司 | Low-compression-ratio extremely thick vessel plate production process |
| CN103468872B (en) * | 2013-09-18 | 2015-10-28 | 济钢集团有限公司 | The thick container panel production technique of low compression bit |
| CN104894477A (en) * | 2014-03-05 | 2015-09-09 | 鞍钢股份有限公司 | Production method of steel for 15CrMoR hydrogen-contacting equipment |
| CN104805380A (en) * | 2015-05-06 | 2015-07-29 | 山东钢铁股份有限公司 | Low-temper-brittleness Cr-Mo steel plate for high temperature resisting pressure-bearing equipment and preparation method of steel plate |
| CN107805757A (en) * | 2016-09-09 | 2018-03-16 | 中国石化工程建设有限公司 | A kind of low alloy steel and preparation method thereof |
| CN107159710A (en) * | 2017-05-23 | 2017-09-15 | 舞阳钢铁有限责任公司 | A kind of milling method of the special thickness 15CrMoR steel plates of electroslag type |
| CN108359894A (en) * | 2018-02-23 | 2018-08-03 | 舞阳钢铁有限责任公司 | The big thickness low-alloy chrome molybdenum steel plate of low-temperature impact-resistant and its production method |
| CN108359894B (en) * | 2018-02-23 | 2020-08-04 | 舞阳钢铁有限责任公司 | Low-temperature impact resistant large-thickness low-alloy chromium-molybdenum steel plate and production method thereof |
| CN108359902A (en) * | 2018-04-08 | 2018-08-03 | 无锡市法兰锻造有限公司 | A kind of high performance alloys steel flange and forging and its manufacturing method |
| CN109913755A (en) * | 2019-03-22 | 2019-06-21 | 山东钢铁股份有限公司 | A kind of peritectic steel and preparation method thereof |
| CN111926244A (en) * | 2020-07-09 | 2020-11-13 | 舞阳钢铁有限责任公司 | 15CrMoR steel plate with good low-temperature impact toughness and production method thereof |
| CN114752853A (en) * | 2022-03-24 | 2022-07-15 | 安阳钢铁股份有限公司 | Production method for producing steel plate for medium-high temperature pressure vessel by adopting chromium-molybdenum alloy |
| CN114959449A (en) * | 2022-04-22 | 2022-08-30 | 安阳钢铁股份有限公司 | Production method of low-yield-ratio chromium-molybdenum alloy steel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102796957B (en) | 2014-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102796957B (en) | Steel plate for high toughness 15CrMoR pressure container | |
| JP7457843B2 (en) | Steel plate for polar marine construction and its manufacturing method | |
| CN102363859B (en) | Method for producing wear-resisting steel plate | |
| CN102732792B (en) | Steel with thickness no lower than 100mm used in vessel in hydrogen environment, and production method thereof | |
| CN102345053A (en) | Hot-rolled structural steel ST52 medium-thick plate with thickness of 15-60mm and production method thereof | |
| CN108165888B (en) | 4140 plastic die steel plate delivered in annealed state and production method thereof | |
| CN102002635A (en) | Steel for pressure container in thick specification and preparation method thereof | |
| CN102776441A (en) | Steel plate for third-generation nuclear power station reactor containments and manufacturing method thereof | |
| CN103160733A (en) | Steel plate for nuclear power station pressure vessel and equipment gate, and manufacturing method thereof | |
| CN102041441A (en) | Low-alloy medium-thickness steel plate Q345D-Z35 and production process thereof | |
| CN103556069A (en) | Large-diameter seamless steel tube for high-pressure gas cylinders and manufacturing method thereof | |
| CN104379277B (en) | A kind of twin crystal inducing plasticity steel and production method thereof | |
| CN103510020A (en) | Spring steel wire rod and inclusion control method thereof | |
| CN104561783A (en) | Low alloy steel 09MnNiDR steel plate for vessel and production method thereof | |
| CN102418048A (en) | Steel for hollow axle of high-speed bullet train and manufacturing method thereof | |
| CN107058897A (en) | A kind of high manganese pre-hardening plastic steel plate for die and its production method | |
| CN102676920A (en) | Large-thickness steel plate for low-temperature pressure container and production method thereof | |
| CN103725967A (en) | SCMV4-2 pressure vessel steel plate with specification of below 120mm and production method of steel plate | |
| CN104894473A (en) | Shrunk-on vessel steel with thickness larger than or equal to 120 mm and production method of shrunk-on vessel steel | |
| CN113215472A (en) | Niobium-vanadium microalloyed high-strength fine-grain non-quenched and tempered cold forging steel square billet and manufacturing method thereof | |
| CN102345049A (en) | Low alloy Q345C-Z35 thick plate and production method thereof | |
| CN101831585A (en) | High-strength steel for automotive wheels and manufacture method thereof | |
| CN102041442A (en) | Low-alloy Q345E medium plate and production process thereof | |
| CN101974722A (en) | Steel plate for manufacturing concrete mixer tank and production method | |
| CN102041443A (en) | Low-alloy Q345D-Z25 medium plate and production process thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20190831 |