CN103882307A - Corrosion-resistant steel for cargo oil tank base plate of crude oil carrier - Google Patents
Corrosion-resistant steel for cargo oil tank base plate of crude oil carrier Download PDFInfo
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- CN103882307A CN103882307A CN201210562247.3A CN201210562247A CN103882307A CN 103882307 A CN103882307 A CN 103882307A CN 201210562247 A CN201210562247 A CN 201210562247A CN 103882307 A CN103882307 A CN 103882307A
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Abstract
The invention discloses corrosion-resistant steel for a cargo oil tank base plate of a crude oil carrier; and the corrosion-resistant steel comprises the following chemical components by weight: 0.04-0.12% of C, 0.10-0.50% of S, 0.70-1.60% of Mn, 0.003-0.03% of P, less than 0.005% of S, 0.10-0.50% of Ni, 0.10-0.50% of Cu, 0.005-0.05% of Nb, 0.005-0.05% of Ti, 0.01-0.05% of Al, 0.001-0.003% of Ca, 0.05-0.12% of Sn, 0.02-0.15% of Mo and the balance of Fe and inevitable impurities, wherein the Sn and Mo are main corrosion-resistant elements, and one or two of the Sn and Mo can be added. The corrosion-resistant steel is simple in component design and low in manufacturing cost, and is dotted-local-corrosion resistant in high-acid, high-Cl<-> concentration crude oil corrosion environment, can meet performance requirements of the corrosion-resistant steel for the cargo oil tank (COT) base plate in IMO (international maritime organization) standard, improves the security of storage and transportation of crude oil, needs no maintenance during the total life cycle of the crude oil carrier, and can save a lot of painting and operation and maintenance costs.
Description
Technical field
The invention belongs to low-alloy shipping steel and manufacture field, relate to a kind of crude oil carrier oil cargo tank (COT) base plate corrosion-resistant steel and manufacture method thereof, refer to particularly the steel that can deposit at crude oil the resistance to local tubercular corrosion using under high density Cl-corrosive environment, be applicable to the construction of crude oil carrier COT base plate.
Background technology
In crude oil storage and transport process, storage-transport vessel contains greasy filth, high density Cl as crude oil carrier oil cargo tank (COT) bottom can be covered with one deck
-bittern and H
2the deposition oil film of S.Generally speaking, oil lamella has stoped contacting of base plate and corrosive medium, has reduced the erosion rate of base plate, is conducive to improve the corrosion life of base plate.But washing of tanks when oil carrier operation washes away the integrity that can destroy oil lamella, causes locality breakage.In the time again loading crude oil, breakage base plate position is just directly exposed to and contains peracidity (pH value is less than 1), high density Cl
-with deposition H
2in the severe corrosive environment of S, thereby there is serious local tubercular corrosion.Dock inspection has found that the tubercular corrosion quantity of a COT base plate can reach several thousand, and corrosion pit can reach 10mm the most deeply.This corrosion becomes the very big potential safety hazard in crude oil carrier operation.For the etching problem of existing COT, oil carrier corrosion resistant steel for cargo oil tanks standard standard (MSC.289 (87)) has been passed through in the DE53 of International Maritime Organizaton (IMO) meeting, using oil carrier oil cargo tank application novel corrosion resistant steel as the unique replacement scheme of conventional coatings rot-resistant.The NK of Nippon Kaiji Kyokai has issued " oil carrier corrosion resistant steel for cargo oil tanks guide " in December, 2010, to using COT anti-corrosion steel plate to make stipulations, comprised laboratory accelerated corrosion evaluation method and the erosion rate requirement of COT base plate specially.Use novel corrosion-resistant steel to improve the security of crude oil carrier, and reduce shipowner's construction and operation maintenance cost, will become crude oil accumulating material application development direction.
The patent 1 of publication number CN 1946864A discloses the corrosion-resistant steel composition that comprises Ni, Cu, W, Cr, Zr, Mo, Sb, Sn.The patent 2 of Granted publication CN 100562600C discloses the crude oil corrosion-resistant steel of compositions such as containing Ni, Cu, Cr, Sr, Ba, La, Ce.The disclosed petroleum tank of patent 3 of publication number CN 101415852A is with needing to select to add Sn, Sb, Ca, REM element in steel chemical composition.4 of the patents of publication number CN 101525729A disclose the technology that selectivity is added Cu, B composition in the steel with C, Si, Mn, P, S, Al, Ni, Cr, Ti, Ca, N.The patent 5 of publication number CN 102400059A discloses a kind of chemical composition of crude oil corrosion resistant steel for cargo oil tanks plate, and the clear and definite TMCP explained hereafter of using, but not clear and definite its corrosion experiment method, do not distinguish base plate and upperdeck corrosive environment difference, not clear and definite crude oil and corrosive environment of sea water difference yet.
When the corrosion-resistant steel of above-mentioned patent uses as the steel under former oil environment, although can improve corrosion resistance nature, all do not carry out corrosion evaluation in strict accordance with IMO standard, still can not verify and can meet standard-required, particularly can meet and contain high density Cl
-severe corrosive environment in use more unknowablely as COT base plate, and these inventions have all added multiple alloying constituent, have increased smelting difficulty and material cost.In addition above-mentioned patent does not comprise the mechanical property of steel plate, and COT belongs to shipping steel field with steel, must meet the requirement of relevant classification society rule to mechanical property of steel plate, this just requires the novel C OT base plate corrosion-resistant steel of invention can meet IMO requirement to corrosion resisting property about COT corrosion-resistant steel standard MSC.289 (87), also can meet the requirement of classification society rule to mechanical property of steel plate.
Summary of the invention
Even the object of the invention be to provide a kind of surface of steel plate not painting anticorrosion layer also can meet the crude oil carrier oil cargo tank base plate corrosion-resistant steel of accumulating crude oil requirement, in peracidity, the former oil environment of high density Cl-, there is excellent resistance to local point-like corrosive nature, be particularly suitable for building the base plate of crude oil carrier oil cargo tank.
The corrosion-resistant steel that the present invention designs mainly for COT base plate, evaluate by the accelerated corrosion experimental technique of the simulation COT Corrosion of base plate environment of IMO corrosion-resistant steel standard MSC.289 (87) regulation, the accelerated corrosion experiment of soaking in peracidity and high density Cl-solution (the 10%NaCl solution of pH=0.85), evaluate reliably the corrosion resistance nature of steel of the present invention, obtained and meet corrosion-resistant steel IMO standard-required, that be applicable to build COT base plate.
For achieving the above object, the sour crude oil accumulating tank corrosion-resistant steel that the present invention is designed, its chemical composition contains C:0.04 ~ 0.12% by weight percentage, Si:0.10 ~ 0.50%, Mn:0.70 ~ 1.60%, P:0.003 ~ 0.03%, below S:0.005%, Ni:0.10-0.50%, Cu:0.10 ~ 0.50%, Nb:0.005 ~ 0.05%, Ti:0.005 ~ 0.05%, Al:0.01 ~ 0.05%, Ca:0.001 ~ 0.003%, Sn:0.05 ~ 0.12%, Mo:0.02 ~ 0.15%, wherein Sn and Mo are main corrosion-resistant element, optional wherein one or both add simultaneously, surplus is made up of Fe and inevitable impurity.
Below elaborate each alloying constituent mechanism of action in corrosion-resistant steel for COT base plate of the present invention, wherein percentage symbol % represents weight percent:
C：0.04~0.12%
C is the bioelement that guarantees hardness of steel, and content should be more than 0.04%.Can increase the content of pearlite in alloy in steel but C content increases, under sour environment, perlite becomes negative electrode, can promote to corrode, and is limited to 0.12% on therefore.Consider from economy and product performance angle, preferred content is 0.05 ~ 0.10%.
Si：0.10~0.50%
Si is deoxidation composition main in steelmaking process, must be containing more than 0.10% in order to obtain sufficient deoxidation effect.The Si existing with solid solution form carries the high-intensity while also can improve ductile-brittle transition temperature, and preferred content is 0.15 ~ 0.35%.
Mn：0.70~1.60%
Mn guarantees the intensity of steel and the bioelement of toughness.When Mn content is lower than 0.70%, be difficult to guarantee strengthening effect, if Mn element too Gao Zehui increase the weight of strand segregation, therefore Mn content should be controlled at 0.70 ~ 1.60%, preferred content is 0.80 ~ 1.50%.
P：0.003~0.03%
P is inevitable impurity element in steel, if content exceedes 0.03%, the welding property of steel significantly declines, and is limited to 0.03% on therefore, and preferred upper limit is 0.018%.P can form the phosphoric acid salt as corrosion inhibitor but then, is conducive to improve the corrosion resistance nature of steel under sour environment, therefore in order to improve erosion resistance, needs to contain P more than 0.003% in steel, and preferred content is 0.005 ~ 0.018%.
Below S:0.005%
If S content exceedes 0.005%, can in steel, form too much MnS be mingled with, and MnS is mingled with the origin that position is tubercular corrosion, thereby reduces the erosion resistance of steel, therefore to take measures to make in steel S content low as far as possible.According to the present invention, S upper content limit is 0.005%, and preferred upper limit is 0.003%.
Ni：0.10%~0.50%
Ni is conducive to form fine and close rusty scale on steel surface, can suppress steel generation corrosion reaction, and particularly under the condition coexisting with Cu, Mo etc., effect is better.In order to bring into play the anticorrosion effect of Ni, Ni content should be more than 0.10%, considers to be limited to 0.50% from cost aspect, and preferred content is 0.15 ~ 0.45%.
Cu：0.10%~0.50%
Cu can effectively improve the corrosion resistance nature of steel, in order to bring into play the anti-corrosion effect of Cu, should add more than 0.10%, if but too high levels, the red brittleness of steel worsens, and easily produces thermal crack, is limited to 0.50% on therefore, and preferred content is 0.15 ~ 0.45%.
Nb：0.005~0.05%
Nb is the ferrite grain size of refinement steel effectively, can improve intensity and the toughness of steel simultaneously, suitably to reduce the C content in steel.Performance effect to steel in the time that Nb content is less than 0.005% is little, and while exceeding 0.05%, the welding property of steel and toughness all reduce, and therefore Nb content range is 0.005 ~ 0.05%, and preferred content is 0.010 ~ 0.04%.
Ti：0.005~0.05%、
Ti is the composition adding as improving steel and weld toughness, exist and play a role with TiN form, while being less than 0.005%, effect is little, easily forms macrobead TiN and lose effect while exceeding 0.05%, therefore adding Ti content range is 0.005 ~ 0.05%, and preferred content is 0.010 ~ 0.03%.
Al：0.01~0.05%
The deoxidation that Al must add as the present invention and crystal grain thinning element, add content more than 0.01%, but easily produce strand thermal crack too much time, form and be mingled with in a large number, the toughness that reduces steel, therefore Al upper content limit is 0.05%, preferred content is 0.020 ~ 0.045%.
Ca：0.001~0.003%
Ca is in the present invention as Al in modified steel
2o
3the element being mingled with MnS and add, promotes inclusion floating in refining and castingprocesses, can reduce large inclusions content in steel, and can change chemical composition and the shape of inclusion, thereby reduce because being mingled with the pitting attack under the sour environment causing.The add-on of Ca is relevant with S content with [O] in steel, does not have and is mingled with modifying function very little, too much time, easily causes casting nozzle clogging, and therefore Ca content is controlled at 0.001 ~ 0.003%.
Sn：0.05%~0.12%
Sn can significantly improve the corrosion potential of steel under acid attack environment, thereby effectively improves the electrochemical corrosion performance of steel under acid attack environment.Sn preferred content is 0.06% ~ 0.10%.
Mo：0.02~0.15%
Mo can promote surface compact rusty scale to form, thereby improves the corrosion potential of steel, stops further developing of corrosion, and from the viewpoint of cost and performance anticorrosion effect, preferred content is 0.05 ~ 0.12%.
Steel of the present invention is except mentioned component, and surplus is made up of Fe and inevitable impurity.As long as guarantee foreign matter content within the specific limits, allow to exist and can not damage anticorrosion effect and the performance of steel of the present invention.The gases such as O, N, H are difficult to remove completely, therefore can allow O content below 0.005%, N content below 0.008%, H content is below 0.0003%.
Above-mentioned acid COT base plate is described as follows by the manufacturing process technology scheme of corrosion-resistant steel:
To meet the steel billet of above-mentioned chemical composition or steel ingot by being rolled into steel plate, the preferred following methods of steel of the present invention is made steel plate:
(1) 5 principal element C, Si, Mn, the P, the S that adjust steel by converter, to the scope of the invention, and add as requested other alloying constituent and carry out melting.
(2) molten steel of taking out of from converter is carried out to secondary refining by ladle LF stove, further reduce the detrimental impurity content such as P, S, nonmetal inclusion.
(3) the LF refining later stage feeds the Ca processing that Ca-Si line is mingled with in molten steel, then carries out weak Argon more than 5 minutes, guarantees the floating and the removal that are mingled with.
(4) after LF refining, visual molten steel O, N, H gas content select whether to carry out further vacuum refinement as RH or VD processing, to meet the requirement of product to gas content.
(5) above-mentioned steel is made to slab by continuous casting process, can immediately or reheat slab after Slow cooling according to factory flow layout afterwards.
(6) above-mentioned plate slab is heated to and is not less than 1100 ℃ but not higher than the temperature of 1250 ℃.Be not enough to allow alloying element and microalloy precipitated phase be dissolved into completely in austenite lower than the temperature of 1100 ℃, can not guarantee the finishing temperature that hot rolling is required.On the other hand, can be AUSTENITE GRAIN COARSENING in the temperature higher than 1250 ℃, will worsen the toughness of steel plate.
(7) consider from the mechanical property requirements that meets COT base plate steel, select suitable technique hot rolling, preferably austenite recrystallization district and the temperature two-stage control rolling of non-recrystallization district, and guarantee that two-stage rolling draught is not less than 66%.
(8) after hot rolling, can select different rate of cooling according to user to the mechanical property demand of steel plate.It is 315 other high-strength steels of MPa higher level that for example yield strength requires, and while requiring 0 ℃ of impelling strength, meet AH32 rank deck of boat performance requriements, preferably hot rolling subordinate phase to start rolling temperature be 820 ℃ ~ 900 ℃, finishing temperature is 770 ℃ ~ 850 ℃, and after rolling, the type of cooling is that air natural is cooling.If it is more than 355 MPa or while requiring-20 ℃ of impelling strength that yield strength requires, meet DH36 rank deck of boat performance requriements, preferably hot rolling subordinate phase temperature is 850 ℃ ~ 920 ℃, finishing temperature is controlled at 780 ~ 830 ℃, and steel plate is cooled to 450 ℃ ~ 600 ℃ by, spray cooling as cooling in laminar flow with the water-cooling pattern higher than 3 ℃/s rate of cooling etc. thereafter.
The corrosion-resistant steel plate thickness that aforesaid method is made is 8mm ~ 40mm, can be used as the replacement scheme of painting anticorrosion layer and is directly used in and builds COT base plate, and within the crude oil carrier operation cycle, avoid safeguarding.Adopt COT base plate corrosion-resistant steel of the present invention, there is following effect:
(1) adopt and meet the chemical composition design of classification society rule, only add a small amount of Ni, Cu, select to add Sn, Mo one or both, strictly control other elemental composition scope, can obviously improve steel at peracidity, high density Cl
-resistance to point-like local corrosion performance in crude oil corrosive environment, meets the performance requriements of IMO standard about COT base plate corrosion-resisting steel, reduces crude oil storage and transport process because corroding the economy and the Ecological Loss that cause leakage, has improved the security of crude oil accumulating.
(2) adopt COT base plate corrosion-resistant steel of the present invention, can be used as painting anticorrosion layer replacement scheme and directly use, Maintenance free between crude oil carrier total life cycle, can save a large amount of applications and operation maintenance cost.
(3) steel of the present invention can adopt the rolling technology of the conventional high-strength deck of boat to produce, and adopts controlled rolling or TMCP explained hereafter according to mechanical property requirements, is conducive to tissue and produces and promote, and has reduced manufacturing difficulty and cost.
In sum, adopt COT base plate corrosion-resistant steel of the present invention, a kind of low cost steel of excellent anticorrosive performance are provided for building economy, environmental protection, long-life crude oil carrier oil cargo tank.
Embodiment
Below in conjunction with embodiment and corresponding production technique, the present invention is elaborated.
Chemical composition of the present invention composition contains that C:0.04 ~ 0.12%, Si:0.10 ~ 0.50%, Mn:0.70 ~ 1.60%, P:0.003 ~ 0.03%, S:0.005% are following by weight percentage, Ni:0.10-0.50%, Cu:0.10 ~ 0.50%, Nb:0.005 ~ 0.05%, Ti:0.005 ~ 0.05%, Al:0.01 ~ 0.05%, Ca:0.001 ~ 0.003%, Sn:0.05 ~ 0.12%, Mo:0.02 ~ 0.15%, wherein Sn and Mo are main corrosion-resistant element, optional wherein one or both add simultaneously, surplus by Fe and inevitably impurity form.
Table 1 is part embodiment of the present invention, and wherein embodiment 1 ~ 4th adopts following technique to produce:
To after hot metal pretreatment, carry out oxygen blast smelting in converter, after decarburization, add alloy material adjusting component, then molten steel send ladle furnace refining and adjusts chemical composition each composition of steel as shown in table 1 embodiment 1 ~ 4, molten steel waters and casts out 230mm × 1650mm section slab through Continuous casting process, by after these heating steel billets to 1250 ℃, carry out roughing and take 880 ℃ as start two-stage finish rolling, two-stage rolling workpiece thickness and final product thickness are than being 3:1, finishing temperature is 770 ~ 840 ℃, after rolling in air naturally cooling, steel plate thickness is respectively 8,20,30,40mm.Steel plate stretches by China Classification Society's " material and welding condition " and impelling strength is checked and IMO corrosion-resistant steel standard MSC.289 (87) carries out Corrosion of base plate performance evaluation.Result is respectively as shown in table 2 and table 3, and embodiment 1-4 meets the mechanical property requirements of the AH32 deck of boat, and corrosion resisting property meets the requirement of IMO standard base plate.
In table 1, embodiment 4 ~ 8 adopts following technique to produce:
To after hot metal pretreatment, carry out oxygen blast smelting in converter, after decarburization, add alloy material adjusting component, then molten steel send ladle furnace refining and adjusts chemical composition each composition of steel as shown in table 1 embodiment 5 ~ 8, molten steel waters and casts out 230mm × 1650mm section slab through Continuous casting process, by after these heating steel billets to 1200 ℃, carry out roughing and take 900 ℃ as start two-stage finish rolling, two-stage rolling workpiece thickness and final product thickness are than being 2.5:1, finishing temperature is 780 ℃ ~ 820 ℃, after rolling, laminar flow is cooling, speed of cooling is 8 ℃/s ~ 15 ℃/s, steel plate thickness is respectively 8, 20, 30, 40mm.Steel plate stretches by China Classification Society's " material and welding condition " and impelling strength is checked and IMO corrosion-resistant steel standard MSC.289 (87) carries out Corrosion of base plate performance evaluation.Embodiment 5-8 meets the mechanical property requirements of the DH36 deck of boat, and corrosion resisting property meets the requirement of IMO standard to base plate
The chemical composition of table 1 embodiment of the present invention
The mechanical property of table 2 embodiment of the present invention and manufacturing process
The COT Corrosion of base plate speed of table 3 embodiment of the present invention
Claims (5)
1. a crude oil carrier oil cargo tank base plate corrosion-resistant steel, it is characterized in that, by weight percentage, contain that C:0.04 ~ 0.12%, Si:0.10 ~ 0.50%, Mn:0.70 ~ 1.60%, P:0.003 ~ 0.03%, S:0.005% are following, Ni:0.10-0.50%, Cu:0.10 ~ 0.50%, Nb:0.005 ~ 0.05%, Ti:0.005 ~ 0.05%, Al:0.01 ~ 0.05%, Ca:0.001 ~ 0.003%, surplus by Fe and inevitably impurity form.
2. crude oil carrier oil cargo tank base plate corrosion-resistant steel according to claim 1, is characterized in that, also contains by weight percentage following at least one element: Sn:0.05 ~ 0.12%, Mo:0.02 ~ 0.15%.
3. crude oil carrier oil cargo tank base plate corrosion-resistant steel according to claim 1 and 2, is characterized in that, Ni, Cu, Sn, Mo sum Ni+Cu+Sn+Mo value are 0.20 ~ 1.0 by weight percentage, and Sn and Mo sum Sn+Mo value are 0.05 ~ 0.15.
4. crude oil carrier oil cargo tank base plate corrosion-resistant steel according to claim 1 and 2, is characterized in that, the content ratio Ca/S of Ca and S is 0.1 ~ 2.0 by weight percentage, and Ca and Al content are than being 0.01 ~ 0.2 to Ca/Al.
5. according to the crude oil carrier oil cargo tank base plate corrosion-resistant steel described in claim 1 to 4 any one, it is characterized in that, described steel use as the crude oil carrier oil cargo tank base plate of exempting from coating protection.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105821314A (en) * | 2016-04-26 | 2016-08-03 | 江苏省沙钢钢铁研究院有限公司 | Corrosion resistant steel plate for baseplate in cargo oil cabin of crude oil ship and production method thereof |
| CN106756593A (en) * | 2016-12-14 | 2017-05-31 | 武汉科技大学 | A kind of Seawate-corrosive-resisting steel and its manufacture method |
| CN108660389A (en) * | 2017-03-29 | 2018-10-16 | 鞍钢股份有限公司 | A kind of high-strength steel plate and its manufacturing method with excellent crack arrest |
| CN110157982A (en) * | 2019-05-17 | 2019-08-23 | 唐山中厚板材有限公司 | A kind of Seawater corrosion-resistant steel plate and its production method |
| TWI683911B (en) * | 2017-06-30 | 2020-02-01 | 日商Ｊｆｅ鋼鐵股份有限公司 | Structural steel and structures |
| CN114058975A (en) * | 2021-11-19 | 2022-02-18 | 鞍钢股份有限公司 | High heat input welded low temperature resistant corrosion resistant steel for cargo oil tank and manufacturing method thereof |
| CN116121651A (en) * | 2023-02-14 | 2023-05-16 | 南京钢铁股份有限公司 | High-strength corrosion-resistant crude oil storage tank steel plate for large heat input welding and manufacturing method |
| CN116121651B (en) * | 2023-02-14 | 2024-07-05 | 南京钢铁股份有限公司 | High-strength corrosion-resistant crude oil storage tank steel plate for large heat input welding and manufacturing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029372A (en) * | 2006-02-27 | 2007-09-05 | 宝山钢铁股份有限公司 | Seawate-corrosive-resisting steel and its production |
| CN101298645A (en) * | 2007-05-02 | 2008-11-05 | 株式会社神户制钢所 | Steel plate having superior pitting corrosion resistance and manufacturing method thereof |
| WO2012115281A1 (en) * | 2011-02-25 | 2012-08-30 | Ｊｆｅスチール株式会社 | Steel exhibiting superior weather resistance |
-
2012
- 2012-12-21 CN CN201210562247.3A patent/CN103882307A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101029372A (en) * | 2006-02-27 | 2007-09-05 | 宝山钢铁股份有限公司 | Seawate-corrosive-resisting steel and its production |
| CN101298645A (en) * | 2007-05-02 | 2008-11-05 | 株式会社神户制钢所 | Steel plate having superior pitting corrosion resistance and manufacturing method thereof |
| WO2012115281A1 (en) * | 2011-02-25 | 2012-08-30 | Ｊｆｅスチール株式会社 | Steel exhibiting superior weather resistance |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105821314A (en) * | 2016-04-26 | 2016-08-03 | 江苏省沙钢钢铁研究院有限公司 | Corrosion resistant steel plate for baseplate in cargo oil cabin of crude oil ship and production method thereof |
| CN106756593A (en) * | 2016-12-14 | 2017-05-31 | 武汉科技大学 | A kind of Seawate-corrosive-resisting steel and its manufacture method |
| CN108660389A (en) * | 2017-03-29 | 2018-10-16 | 鞍钢股份有限公司 | A kind of high-strength steel plate and its manufacturing method with excellent crack arrest |
| TWI683911B (en) * | 2017-06-30 | 2020-02-01 | 日商Ｊｆｅ鋼鐵股份有限公司 | Structural steel and structures |
| CN110157982A (en) * | 2019-05-17 | 2019-08-23 | 唐山中厚板材有限公司 | A kind of Seawater corrosion-resistant steel plate and its production method |
| CN114058975A (en) * | 2021-11-19 | 2022-02-18 | 鞍钢股份有限公司 | High heat input welded low temperature resistant corrosion resistant steel for cargo oil tank and manufacturing method thereof |
| EP4227432A4 (en) * | 2021-11-19 | 2024-06-19 | Angang Steel Company Limited | High-heat-input-welding low-temperature-resistant corrosion-resistant steel for cargo oil tanks and manufacturing method therefor |
| CN116121651A (en) * | 2023-02-14 | 2023-05-16 | 南京钢铁股份有限公司 | High-strength corrosion-resistant crude oil storage tank steel plate for large heat input welding and manufacturing method |
| CN116121651B (en) * | 2023-02-14 | 2024-07-05 | 南京钢铁股份有限公司 | High-strength corrosion-resistant crude oil storage tank steel plate for large heat input welding and manufacturing method |
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Application publication date: 20140625 |