WO2007116593A1 - 原油タンク用耐食鋼材および原油タンク - Google Patents
原油タンク用耐食鋼材および原油タンク Download PDFInfo
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- WO2007116593A1 WO2007116593A1 PCT/JP2007/050735 JP2007050735W WO2007116593A1 WO 2007116593 A1 WO2007116593 A1 WO 2007116593A1 JP 2007050735 W JP2007050735 W JP 2007050735W WO 2007116593 A1 WO2007116593 A1 WO 2007116593A1
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- crude oil
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
Definitions
- the present invention provides a corrosion-resistant steel material that can reduce local corrosion that occurs on the bottom plate and overall corrosion that occurs on the top plate and side plates when the steel material used in the oil tank is used in a bare state or in a primer-coated state. And it relates to crude oil tanks made of steel.
- the crude oil tank as used in the present invention is a general term for an oil tanker's depot, a tank for transporting crude oil, a tank for storing crude oil, and the like. This includes steel plates, thin steel plates, and shaped steel.
- H 2 S is oxidized by the catalytic action of iron iron produced by corrosion to become solid S, and is present in layers in the iron iron. These corrosion products are easily stripped and accumulate on the bottom of the crude oil tank. For this reason, tanker dock inspections conducted every 2.5 years are expensive and repair the upper part of the tank and remove deposits.
- the steel used for the bottom plate of a tanker's crude oil tank has traditionally been used to inhibit the corrosion of the crude oil itself and the corrosion protection of crude oil-derived protective film (hereinafter referred to as “crude oil protection film”) produced on the inner surface of the crude oil tank It was thought that corrosion did not occur due to the action. However, recently, it has been clarified that the steel used for the tank bottom plate causes bowl-shaped local corrosion.
- the most effective method for suppressing corrosion as described above is a method of applying heavy coating to the surface of the steel material to shield the steel material from the corrosive environment.
- the coating of the crude oil tank is enormous, the application area is enormous, and it needs to be repainted about once every 10 years.
- corrosion-resistant steel having corrosion resistance has been proposed even in an environment such as a crude oil tank.
- Patent Document 1 an appropriate amount of S i, Mn, P, S is added to C ⁇ 0.0 1 to 0.3 mass% steel, and N i: 0.0 5 to 3 mass %, A corrosion resistant steel having a composition with the addition of Mo, Cu, Cr, W, Ca, Ti, Nb, V, and B and excellent in local corrosion resistance and local corrosion resistance is disclosed.
- Patent Document 2 describes that C: 0.0 1 to 0.2 mass% steel, an appropriate amount of S i, Mn, P, S, and Cu: 0.0 1 to 1.5 mass%, A 1: 0. 00 1 to 0.3m ass%, N: 0. 0 0.1 to 0.0 1mass%, Mo: 0. 0 1 to 0.2 mass% or W: 0. 0 1 to 0
- a corrosion resistant steel containing at least one of 5 mass% and capable of suppressing the formation of a corrosion product containing solid S having excellent general corrosion resistance and local corrosion resistance is disclosed.
- Patent Document 1 Japanese Unexamined Patent Application Publication No. 200 3-0 8 24 3 5
- Patent Document 2 Japanese Patent Application Laid-Open No. 20 04-204 344 Disclosure of Invention
- an object of the present invention is to solve the above-mentioned problems, and has an excellent overall corrosion resistance when used on the upper part of the crude oil tank (upper deck and side board), and is used in a crude oil tank.
- the inventors first extracted the factors related to the local corrosion of the bottom plate of the crude oil tank, combined those factors, conducted a corrosion test, and found the local corrosion generated on the bottom plate of the crude oil tank. Successfully reproduced. As a result, we have obtained the following knowledge about the controlling factors and corrosion mechanism of local corrosion that occurs in the bottom plate of crude oil tanks.
- the bowl-shaped local corrosion that occurs in the actual bottom plate of the crude oil tank plays an important role as a controlling factor for 0 2 (oxygen) and H 2 S (hydrogen sulfide) force local corrosion contained in the liquid,
- 0 2 and H 2 S coexist and both 0 2 partial pressure and H 2 S partial pressure are low, specifically, 0 2 partial pressure: 2 to 8 vol%, H 2 S minute Pressure: Local corrosion occurs in an aqueous solution saturated with 5-20 vol% gas. That is, in the environment of low ⁇ 2 partial pressure and low H 2 S partial pressure, solid S precipitates H 2 S is oxidized, local cell is formed between the oil tank bottom plate and the solid S, at the steel surface Local corrosion occurs.
- chloride ions (C 1) exist local corrosion is accelerated and grows.
- the coating life is remarkably extended, and the local corrosion resistance and resistance to corrosion are increased. It has been found that the overall corrosivity is also improved.
- the present invention has been completed through further studies based on the above fa findings.
- the present invention includes C: 0.0 0 1 to 0.1 6 mass%, S i: 0.0 1 to 1.5 mass% Mn: 0.1 to 2.5 mass%, P: 0.0 2 5 masss % Or less, S: 0.01 mass% or less, A 1: 0. 0 0 5 to 0.1 mass%, N: 0.0 0 1 to 0.0 0 8 mass%, W: 0.0 0 0 1 ⁇ 0.5mass% and Cr: 0.06mass% or more and less than 0.2Omass%, the balance is steel for crude oil tanks consisting of Fe and inevitable impurities. '
- the steel material of the present invention further includes at least one component of the following groups A to D.
- Group D C a: 0. 0 0 0 2 to 0.0 0 5 mass% and REM: 0. 0 0 0 5 to 0
- the steel material of the present invention may be subjected to primer coating containing Zn on the surface thereof in order to improve corrosion resistance. .
- this invention is a crude oil tank comprised from the steel materials as described above. According to the present invention, it is possible to provide a steel material having excellent overall corrosion resistance and local corrosion resistance at low cost not only in a bare state but also in a primer application state. Therefore, the steel material of the present invention can be suitably used as a structural material such as a tank for transporting or storing crude oil.
- FIG. 1 is a diagram illustrating a test apparatus used in the local corrosion test used in Example 1.
- FIG. FIG. 2 is a diagram for explaining the test apparatus used in the general corrosion test used in Example 2. The meanings of the numbers in the figure are as follows. 1, 8: Test piece
- C is an element that increases the strength of steel.
- C is required to be contained in an amount of 0.0 lmass% or more in order to obtain a desired strength.
- the content exceeds 0.16 mass%, the weldability and the toughness of the heat affected zone are deteriorated. For this reason, C is set in the range of 0.001 to 0.16 mass%. In order to combine both properties of strength and toughness, a range of 0.01 to 0.15 mass% is preferable.
- Si is usually added as a deoxidizer, but is an element that increases the strength of steel, and in the present invention, it needs to be contained in an amount of 0.0 lmass% or more. However, additions exceeding 1.5 mass% reduce the toughness of the steel. For this reason, it is set as the range of SU3 ⁇ 40. 0 1-1.5 mass%. In addition, Si contributes to the improvement of corrosion resistance by forming an anticorrosion film in an acidic environment. In order to acquire this effect, the range of 0.2-1.5 mass% is preferable. Mn: 0.1 to 2.5 mass%
- Mn is an element that increases the strength of a steel material.
- Mn is added in an amount of 0.1 lmass% or more in order to obtain a desired strength.
- addition exceeding 2.5 mass% decreases the toughness and weldability of steel.
- Mn is in the range of 0.1 to 2.5 mass%. From the viewpoint of ensuring strength and suppressing inclusion formation that degrades corrosion resistance. Is preferably in the range of 0.5 to 1.6 mass%, more preferably 0.8 to 1.4 mass%.
- P is a harmful element that segregates at grain boundaries and lowers the toughness of the steel, and it is desirable to reduce it as much as possible.
- the content exceeds 0. 0 2 5ma SS%, since toughness is reduced greatly, P is a 0. 0 2 5mass o / 0 or less.
- the lower limit is preferably about 0.05 mass%.
- S is a harmful element that forms Mn S, which is a non-metallic inclusion, and becomes a starting point for local corrosion and reduces local corrosion resistance. It is desirable to reduce it as much as possible. In particular, if the content exceeds 0.0 lm aSS %, the local corrosion resistance is remarkably reduced, so the upper limit of S is set to 0.0 1 mass%. Note that a reduction to less than 0.02 mass% leads to an increase in manufacturing cost, so the lower limit of S is preferably set to about 0.02 mass%.
- a 1 is an element added as a deoxidizer, and in the present invention, 0.0 Add on top. However, if added over 0.1 lmass%, the toughness of the steel decreases, so the upper limit of 1 is set to 0.1 lmass%. Preferably, it is in the range of 0.01 to 0.05 mass%.
- N is a component that lowers toughness, and is preferably reduced as much as possible. In particular, if the content is 0.008 mass% or more, the toughness is greatly reduced, so the upper limit is set to 0.008 mass%. However, industrially, it is difficult to reduce it to less than 0.001 mass%. Accordingly, N is in the range of 0.001 to 0.008 mass%. W:. 0. 0 0 1 ⁇ 0 5mass 0/0
- W is an essential additive element that is important for improving corrosion resistance in the present invention.
- wo 4 2 first ion formed by corrosive environments, as well as exert a barrier effect against negative ions, such as chloride ions the progress of the formation to corrode F EW_ ⁇ 4 insoluble Suppress.
- the ridge layer formed on the steel plate surface contains W. It is much more densified.
- the addition of W suppresses the progress of general corrosion and the growth of local corrosion in a corrosive environment where H 2 S and C 1— exist due to such chemical and physical effects. As a result, a steel material for crude oil tanks with improved local corrosion resistance and excellent overall corrosion resistance can be obtained.
- the Zn in the primer is taken into the dense cocoon layer containing W, and W and Zn centered on Fe A complex oxide can be formed, and Zn can remain on the steel plate surface for a long period of time. Therefore, compared to steel materials that do not contain W, the occurrence of local corrosion can be suppressed over a long period of time.
- the steel material of the present invention contains the above components as basic components, and further contains one or more selected from Sn, Sb, and Mo in the following range in order to improve corrosion resistance. can do.
- Sn has the effect of suppressing corrosion by improving the acid resistance of the dense soot layer formed by the combined effect of W and Cr.
- Sb like Sn, improves the acid resistance of the dense soot formed and suppresses corrosion by the combined effect of W and Cr.
- the content is less than 0.05 mass%, the above effect cannot be obtained.
- addition exceeding 0.3 mass% saturates the above effect and lowers the workability. Therefore, it is preferable to contain 313 in the range of 0.05 to 0.3 mass%.
- the steel material of the present invention further contains one or more selected from N b, V, Ti and B within the following range for the purpose of improving the strength of the steel material. Can do. '
- Nb is an element added for the purpose of improving the strength of steel. If less than 0.01 mass %, the effect is small. On the other hand, if it exceeds 0.1 mass %, the toughness decreases. Therefore, when added, the range of 0.001 to 0.1 lmass% is preferable.
- V is an element added for the purpose of improving the strength of steel. If it is less than 0.02 mass%, the effect of improving the strength is small. On the other hand, if it exceeds 0.1 lma SS %, the toughness is lowered. Therefore, when added, the range of 0.002 to 0.1 lmass% is preferable.
- Ti is an element added for the purpose of improving the strength and toughness of steel. If the amount is less than 0.0 0 lmass%, the above effect is small, while if it exceeds 0. lma SS %, the effect is saturated, so when added, the range of 0.001 to 0. Like Yes.
- B is an element added for the purpose of improving the strength of steel. However, if added over 0.0 Olmass%, the toughness decreases, so when added, it is preferably 0.0 lmass% or less. ⁇
- the steel material of the present invention may further contain one or two selected from Ca and REM in the following range for the purpose of improving ductility and toughness. '
- C a has the effect of improving the ductility and toughness of steel through the form control of inclusions. If it is less than 0. 0 0 0 2 mass%, the effect is not obtained. On the other hand, if it exceeds 0. 0 0 5 mass%, the toughness is reduced, so in the range of 0. It is preferable to contain.
- R E M has the effect of improving ductility and toughness through inclusion morphology control. If it is less than 0. 0 0 0 5 mass%, the effect is small. On the other hand, if it exceeds 0. 0 1 5 mass%, the toughness decreases. Therefore, when added, the range of 0.0 0 0 5 to 0.0 1 5 mass% is preferable. .
- the balance other than the above components consists of Fe and inevitable impurities.
- O is 0.08 mass% or less
- NU 0. 0 5 mass% or less is acceptable.
- Cu is said to contribute to the improvement of overall corrosion in an environment containing hydrogen sulfide, but when added to the steel of the present invention, not only the effect of improving local corrosion resistance is limited, but also heat. It is not added because it causes a significant decrease in inter-workability, but it may be contained as an unavoidable impurity as long as it is 0.05 mass S % or less. In addition, even if Ni is added to the steel of the present invention, no effect of improving the general corrosion resistance and local corrosion resistance is recognized, and it is only added as a cost increase factor. If it is 5 mass% or less, it may be contained. ' Next, the preferable manufacturing method of the steel material of this invention is demonstrated.
- the steel material of the present invention is obtained by finishing a steel adjusted to the above-described composition into various shapes such as a thick steel plate and a thin steel plate chopped steel in the same manner as ordinary steel.
- the main five elements C, Si, Mn, P, S
- other alloy elements are added according to the required characteristics and melted.
- the above steel is made into a steel slab by a continuous forging method or the like, and this steel slab is then reheated immediately or after cooling. It is preferable that the product is hot-rolled into a product. ''
- hot rolling conditions for corrosion resistant steel, but from the viewpoint of ensuring the mechanical properties required for steel materials used in crude oil tanks, etc., appropriate hot rolling temperature and reduction ratio It is desirable to control them.
- the hot rolling finish temperature should be 7500 ° C or higher, and then 70 ° C with a cooling rate of 2 ° CZ sec or higher. It is preferable to cool to below 0 ° C. If the finishing temperature is less than 7500 ° C, the deformation resistance increases and the shape control becomes difficult. Also, if the cooling rate is less than 2 ° C / sec or the cooling stop temperature exceeds 700 ° C, it is difficult to obtain a tensile strength of 4 9 O NZmm grade 2 or higher.
- the steel material of the present invention obtained as described above is used as a steel material for crude oil tanks, it can greatly improve the local corrosion resistance and the general corrosion resistance by applying a primer containing Zn. it can.
- a primer containing Zn In general, steel plates are shot-blasted on the surface and then primer-coated, but in order to cover the entire surface of the steel plate uniformly, a certain coating thickness or more is required.
- the coating thickness of the primer containing Zn is 5 ⁇ or more. From the standpoint of local corrosion resistance and overall corrosion resistance, there is no upper limit for the coating amount, but as the primer becomes thicker, the cutting performance, weldability and economic efficiency deteriorate, so the upper limit is 100 zm. preferable.
- Example 1 Steel with various composition of No. 1-3 shown in Table 1 is melted in a vacuum melting furnace or converter, and these steel slabs are reheated to 120 ° C before finishing. Hot rolling with an end temperature of 800 ° C. was performed to obtain a thick steel plate having a thickness of 16 mm.
- test 1 a test piece in which sludge was uniformly applied to the test piece, and a 50% weight ratio of sulfur in the sludge were mixed in the central part of the test piece 2mm ⁇ (hereinafter referred to as sulfur mixture).
- test 2 a test piece in which only sludge is applied uniformly.
- the sulfur-mixed sludge is the starting point for local corrosion and promotes local corrosion. This makes it possible to more clearly understand the effects of steel components on the local corrosion control, the effects of the primer, and the combination of the steel components and the primer. It has been found that this test method has a higher correlation with the actual ship exposure test than Test 1.
- test pieces were then subjected to a corrosion test that was immersed in the test solution 6 of the corrosion test apparatus shown in Fig. 1 for one month.
- This corrosion test equipment is a double-type equipment consisting of a corrosion test tank 2 and a thermostatic bath 3, and a test solution capable of generating local corrosion similar to that generated in an actual crude oil tank bottom plate in the corrosion test tank 2 6 Is put.
- the above test solution 6 uses the artificial seawater specified in AS TMD 1 1 4 1 as the test mother liquor, and adjusts the partial pressure ratio of 5 vol% 0 2 + 10 vol% H 2 S in this solution, with the balance N A gas mixture with two gas mixtures 4 was used.
- the temperature of the test solution 6 was maintained at 50 ° C. by adjusting the temperature of the water 7 placed in the thermostat 3. Note that the test solution 6 is constantly stirred because the mixed gas 4 is continuously supplied.
- the results of the above local corrosion test are shown in Table 2.
- Test 1 the No. 1 to 25 steel plates that conform to the composition of the present invention have a local corrosion test rating of 1 to 3, and the local corrosion depth is suppressed to less than 0.2 mm. .
- zinc primer coated at 5 ⁇ m or more is all rank 1 and no local corrosion has occurred.
- No. 32-33 The steel plates Nos. 26 to 31 excluding the steel plate No. were inferior to the inventive examples.
- Test 2 local corrosion was promoted more than in Test 1, but the difference between the steel types, especially the difference between the steel types when the zinc primer was applied, can be clearly identified.
- the local corrosion of Invention Steel Sheets 1 to 25 is smaller than that of Comparative Steel Sheet 26 to 31 in both the zinc primer uncoated state and the coated state. It can be seen that the comparative steel plates No. 32 to 33, which had the same level of local corrosion, were inferior to the inventive steel plate in this test.
- the steel of the present invention has excellent local corrosion resistance.
- a rectangular piece of width 25 mm x length 48 mm x thickness 4 mm was cut out from the same steel plates Nos. 1 to 33 used in Example 1, and the surface was shot blasted before inorganic zinc.
- These specimens were subjected to a full-surface corrosion test, which was likely to be carried in the environment behind the upper part of the crude oil tank, using the corrosion test equipment shown in Fig. 2.
- This corrosion test apparatus is composed of a corrosion test tank 9 and a temperature control plate 10. Water 13 is injected into the corrosion test tank 9 and the temperature is maintained at 40 ° C.
- the corrosion test in order to corrosive environment simulating the in crude oil tanks, in the water 1 3, 1 2vol% C0 2 5vol% ⁇ 2 0. 0 1vol 0/0 S0 2 0. 1 vol%
- a mixed gas consisting of H 2 S and the balance N 2 is introduced, the inside of the corrosion test tank 9 is filled with supersaturated steam pressure, and the temperature of the test piece is adjusted via the temperature control panel 10 by the heater cooling device.
- the cycle of 30 ° CX for 4 hours + 5,0 ° CX for 4 hours was repeated for 20 days to simulate corrosion caused by condensed water.
- each test piece was evaluated as follows.
- the area ratio of wrinkles generated on the surface of each specimen and under the coating film was measured and evaluated according to the following ranks.
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Abstract
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07707039.9A EP2009125B1 (en) | 2006-03-30 | 2007-01-12 | Corroson-resistant steel material for crude oil storage tank, and crude oil storage tank |
DK07707039.9T DK2009125T3 (en) | 2006-03-30 | 2007-01-12 | Corrosion resistant steel material for crude oil storage tank and crude oil storage tank |
CN200780012318XA CN101415852B (zh) | 2006-03-30 | 2007-01-12 | 原油罐用耐腐蚀钢材及原油罐 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006-093151 | 2006-03-30 | ||
JP2006093151 | 2006-03-30 |
Publications (1)
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WO2007116593A1 true WO2007116593A1 (ja) | 2007-10-18 |
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PCT/JP2007/050735 WO2007116593A1 (ja) | 2006-03-30 | 2007-01-12 | 原油タンク用耐食鋼材および原油タンク |
Country Status (5)
Country | Link |
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EP (1) | EP2009125B1 (ja) |
KR (1) | KR101023634B1 (ja) |
CN (1) | CN101415852B (ja) |
DK (1) | DK2009125T3 (ja) |
WO (1) | WO2007116593A1 (ja) |
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WO2009041703A1 (ja) * | 2007-09-25 | 2009-04-02 | Jfe Steel Corporation | 原油タンク用熱間圧延形鋼およびその製造方法 |
JP2009097083A (ja) * | 2007-09-25 | 2009-05-07 | Jfe Steel Corp | 原油タンク用熱間圧延形鋼およびその製造方法 |
WO2010074307A1 (ja) * | 2008-12-24 | 2010-07-01 | Jfeスチール株式会社 | 原油タンカー用耐食鋼材 |
WO2011145740A1 (ja) * | 2010-05-18 | 2011-11-24 | Jfeスチール株式会社 | 耐食性に優れる溶接継手および原油タンク |
WO2011145741A1 (ja) * | 2010-05-18 | 2011-11-24 | Jfeスチール株式会社 | 耐食性に優れる溶接継手および原油タンク |
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JP4326020B1 (ja) | 2008-03-28 | 2009-09-02 | 株式会社神戸製鋼所 | 耐応力除去焼鈍特性と低温継手靭性に優れた高強度鋼板 |
CN102400059A (zh) * | 2011-09-28 | 2012-04-04 | 南京钢铁股份有限公司 | 一种原油船货油舱用耐腐蚀钢板的生产工艺 |
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CN108368577A (zh) * | 2015-12-09 | 2018-08-03 | 杰富意钢铁株式会社 | 耐腐蚀性优异的原油罐用钢材和原油罐 |
JP2018009218A (ja) * | 2016-07-13 | 2018-01-18 | 株式会社神戸製鋼所 | 塗装鋼材およびその製造方法 |
JP6536769B1 (ja) * | 2017-11-24 | 2019-07-03 | Jfeスチール株式会社 | 原油タンカー上甲板および底板用耐食鋼材、ならびに、原油タンカー |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54131522A (en) * | 1978-04-03 | 1979-10-12 | Nippon Steel Corp | Steel highly resistant against hydrogen induced blister and cracking |
JPH0734196A (ja) * | 1993-07-15 | 1995-02-03 | Sumitomo Metal Ind Ltd | 耐久性に優れたバラストタンク |
JP2002012940A (ja) * | 2000-04-25 | 2002-01-15 | Nkk Corp | 貨油タンク用耐食鋼およびその製造方法 |
JP2002266052A (ja) * | 2001-03-09 | 2002-09-18 | Kawasaki Steel Corp | 塗膜寿命性に優れた船舶用鋼材 |
JP2002332537A (ja) * | 2001-05-11 | 2002-11-22 | Kawasaki Steel Corp | 防食性に優れた塗装鋼材 |
JP2003082435A (ja) | 2001-07-04 | 2003-03-19 | Sumitomo Metal Ind Ltd | カーゴオイルタンク用鋼材 |
JP2004204344A (ja) | 2002-06-19 | 2004-07-22 | Nippon Steel Corp | 原油油槽用鋼およびその製造方法、原油油槽およびその防食方法 |
JP2005025439A (ja) * | 2003-07-01 | 2005-01-27 | Matsushita Electric Ind Co Ltd | 目画像撮像装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW359736B (en) * | 1997-06-20 | 1999-06-01 | Exxon Production Research Co | Systems for vehicular, land-based distribution of liquefied natural gas |
JP4449691B2 (ja) * | 2004-04-14 | 2010-04-14 | 住友金属工業株式会社 | カーゴオイルタンク用鋼材 |
-
2007
- 2007-01-12 KR KR1020087023204A patent/KR101023634B1/ko active IP Right Grant
- 2007-01-12 DK DK07707039.9T patent/DK2009125T3/en active
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Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54131522A (en) * | 1978-04-03 | 1979-10-12 | Nippon Steel Corp | Steel highly resistant against hydrogen induced blister and cracking |
JPH0734196A (ja) * | 1993-07-15 | 1995-02-03 | Sumitomo Metal Ind Ltd | 耐久性に優れたバラストタンク |
JP2002012940A (ja) * | 2000-04-25 | 2002-01-15 | Nkk Corp | 貨油タンク用耐食鋼およびその製造方法 |
JP2002266052A (ja) * | 2001-03-09 | 2002-09-18 | Kawasaki Steel Corp | 塗膜寿命性に優れた船舶用鋼材 |
JP2002332537A (ja) * | 2001-05-11 | 2002-11-22 | Kawasaki Steel Corp | 防食性に優れた塗装鋼材 |
JP2003082435A (ja) | 2001-07-04 | 2003-03-19 | Sumitomo Metal Ind Ltd | カーゴオイルタンク用鋼材 |
JP2004204344A (ja) | 2002-06-19 | 2004-07-22 | Nippon Steel Corp | 原油油槽用鋼およびその製造方法、原油油槽およびその防食方法 |
JP2005025439A (ja) * | 2003-07-01 | 2005-01-27 | Matsushita Electric Ind Co Ltd | 目画像撮像装置 |
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JP2009097083A (ja) * | 2007-09-25 | 2009-05-07 | Jfe Steel Corp | 原油タンク用熱間圧延形鋼およびその製造方法 |
WO2009041703A1 (ja) * | 2007-09-25 | 2009-04-02 | Jfe Steel Corporation | 原油タンク用熱間圧延形鋼およびその製造方法 |
CN102264937A (zh) * | 2008-12-24 | 2011-11-30 | 杰富意钢铁株式会社 | 原油轮用耐腐蚀钢材 |
WO2010074307A1 (ja) * | 2008-12-24 | 2010-07-01 | Jfeスチール株式会社 | 原油タンカー用耐食鋼材 |
JP2010216005A (ja) * | 2008-12-24 | 2010-09-30 | Jfe Steel Corp | 原油タンカー用耐食鋼材 |
CN102264937B (zh) * | 2008-12-24 | 2013-10-30 | 杰富意钢铁株式会社 | 原油轮用耐腐蚀钢材 |
CN102301025B (zh) * | 2009-01-30 | 2014-06-25 | 杰富意钢铁株式会社 | 原油罐用耐腐蚀钢材及其制造方法以及原油罐 |
WO2011145739A1 (ja) * | 2010-05-18 | 2011-11-24 | Jfeスチール株式会社 | 耐食性に優れる溶接継手および原油タンク |
JP2012001810A (ja) * | 2010-05-18 | 2012-01-05 | Jfe Steel Corp | 耐食性に優れる溶接継手および原油タンク |
JP2012001809A (ja) * | 2010-05-18 | 2012-01-05 | Jfe Steel Corp | 耐食性に優れる溶接継手および原油タンク |
JP2012000669A (ja) * | 2010-05-18 | 2012-01-05 | Jfe Steel Corp | 耐食性に優れる溶接継手および原油タンク |
KR101240743B1 (ko) * | 2010-05-18 | 2013-03-07 | 제이에프이 스틸 가부시키가이샤 | 내식성이 우수한 용접 이음매 및 원유 탱크 |
WO2011145741A1 (ja) * | 2010-05-18 | 2011-11-24 | Jfeスチール株式会社 | 耐食性に優れる溶接継手および原油タンク |
WO2011145740A1 (ja) * | 2010-05-18 | 2011-11-24 | Jfeスチール株式会社 | 耐食性に優れる溶接継手および原油タンク |
Also Published As
Publication number | Publication date |
---|---|
CN101415852A (zh) | 2009-04-22 |
DK2009125T3 (en) | 2018-09-24 |
KR20080097479A (ko) | 2008-11-05 |
EP2009125B1 (en) | 2018-07-04 |
KR101023634B1 (ko) | 2011-03-22 |
EP2009125A1 (en) | 2008-12-31 |
EP2009125A4 (en) | 2017-08-16 |
CN101415852B (zh) | 2011-09-07 |
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