CN111893257B - 具有高疲劳强度和抗氢脆性的冷轧钢丝以及并入有所述冷轧钢丝的增强的柔性管道 - Google Patents
具有高疲劳强度和抗氢脆性的冷轧钢丝以及并入有所述冷轧钢丝的增强的柔性管道 Download PDFInfo
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- 239000010960 cold rolled steel Substances 0.000 title claims abstract description 13
- 229910052739 hydrogen Inorganic materials 0.000 title abstract description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title abstract description 10
- 239000001257 hydrogen Substances 0.000 title abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 20
- 239000010959 steel Substances 0.000 claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 229910001563 bainite Inorganic materials 0.000 claims abstract description 14
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 14
- 229910001562 pearlite Inorganic materials 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 5
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 5
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- 230000009466 transformation Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
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- 230000002411 adverse Effects 0.000 description 4
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- 230000015572 biosynthetic process Effects 0.000 description 3
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- 230000007797 corrosion Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
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- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
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- 239000003921 oil Substances 0.000 description 2
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- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
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- AZFNGPAYDKGCRB-XCPIVNJJSA-M [(1s,2s)-2-amino-1,2-diphenylethyl]-(4-methylphenyl)sulfonylazanide;chlororuthenium(1+);1-methyl-4-propan-2-ylbenzene Chemical compound [Ru+]Cl.CC(C)C1=CC=C(C)C=C1.C1=CC(C)=CC=C1S(=O)(=O)[N-][C@@H](C=1C=CC=CC=1)[C@@H](N)C1=CC=CC=C1 AZFNGPAYDKGCRB-XCPIVNJJSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
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- 238000000605 extraction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
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- 238000005272 metallurgy Methods 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 235000010289 potassium nitrite Nutrition 0.000 description 1
- 239000004304 potassium nitrite Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Substances [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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Abstract
本发明涉及具有高疲劳强度和抗氢脆性的冷轧钢丝以及并入有所述冷轧钢丝的增强的柔性管道,所述钢具有以重量百分比表示的以下化学组成:0.2≤C≤0.6、0.5≤Mn≤1.0、0.1≤Si≤0.5、0.2≤Cr≤1.0、P≤0.020、S≤0.015、N≤0.010,以及任选的不超过0.07%的Al、不超过0.2%的Ni、不超过0.1%的Mo和不超过0.1%的Cu,余量为铁和由生产导致的不可避免的杂质。所述丝具有包含贝氏体以及任选的多达35%的针状铁素体和多达15%的珠光体的显微组织。本发明还涉及生产方法并且涉及用于开采碳氢化合物的并入有所述丝的柔性管道。
Description
本申请是名为“具有高疲劳强度和抗氢脆性的冷轧钢丝以及并入有所述冷轧钢丝的增强的柔性管道”、申请号为201480070438.5的中国专利申请的分案申请,专利申请201480070438.5是根据专利合作条约于2014年12月22日提交的国际申请(PCT/FR2014/000301)进入中国国家阶段的国家申请。
技术领域
本发明涉及应用于海上采油的冶金领域。其特别地涉及可以用作沉入深水的结构或组件如柔性海上管道的增强或结构元件的钢丝,无论其用于输送液体还是气体碳氢化合物。
背景技术
已知的是,关于此类丝的基本要求,除了优良的机械特征之外,还有在硫(特别是存在于输送的流体和碳氢化合物中的以H2S的形式)存在的酸性环境中良好的抗氢脆性。
目前可商业获得的用于海上使用的钢丝主要由拉伸强度Rm约为800MPa的低合金钢种(low-alloy grades)制成。
为了以已知的方式制造这些冷轧丝,使用包含0.15重量%至0.80重量%的碳的锰钢,其初始显微组织为铁素体-珠光体。在使初始圆轧丝棒成形之后,应用适当的应力消除热处理以获得需要的硬度。然而,由于在输送的碳氢化合物中强烈存在H2S,所以通过这些常规方法获得的冷轧丝线不能承受在深水中遭遇的相对强的酸度。
此外,柔性海上管道目前必须适于在越来越深的水下深度的使用,这需要提高机械断裂强度超过800MPa,以及提高使其能够抵抗由存在的H2S和CO2产生的腐蚀的腐蚀疲劳强度。
此外,关于价格的市场约束越来越紧,这对贵合金元素(例如铬、铌等及其昂贵的加工步骤(尤其是如果其必须在热条件下进行)的惯常使用或长期使用或大量使用具有不利影响。
发明内容
因此,本发明的目的是使可获得在酸环境(H2S类型的酸性环境)中具有非常良好的抗氢脆性特性和非常良好的腐蚀疲劳强度特性(CO2+H2S)的钢丝以满足油气市场中的新约束,特别是通过使用低合金钢组合物。
更具体地,所述目的是在含有5mbar H2S或更多H2S(抗氢脆性)的环境中在pH为4.1下在应力下测试30天之后不存在内部裂缝。
另一个目的是在含有H2S和CO2的腐蚀性环境中在+100MPa至+600MPa的交变应力下在二百万次弯曲循环之后不存在疲劳失效(疲劳断裂)。甚至更具体地并优选地,所述目的为即使多达四百万次循环也不存在疲劳失效(腐蚀疲劳强度)。
除了所述丝的这些用途特性外,另一个目的是优良的机械特性,并且具体地为800MPa至1300MPa的机械断裂强度和大于或等于10%的延展性A以便于成形操作。
本发明的目的是权利要求1中所述的丝。所述丝还可具有单独或组合考虑的权利要求2至5中所述的特征。
本发明的另一个目的是权利要求6中所述的方法。所述方法还可以包括单独或组合考虑的权利要求7至11中所述的特征。
本发明的另一个目的是权利要求12中所述的管道。
根据本发明,用于根据本发明的丝的钢种(grade)包含以重量百分比表示的以下元素:
0.2≤C%≤0.6
0.5≤Mn%≤1.0
0.1≤Si≤0.5%
0.2≤Cr≤1.0%
P≤0.020%
S≤0.015%
N≤0.010%
以及任选的不超过0.07%的Al、不超过0.2%的Ni、不超过0.1%的Mo和不超过0.1%的Cu。
碳含量为0.2重量%至0.6重量%。所述低的值使得可保证在热处理之后获得足够的硬度。最大含量限制为0.6%以充分地保护制造所述丝期间的冷形成所必需的延展性。
锰含量为0.5重量%至1.0重量%。所述低值使得可保证获得期望的多数贝氏体显微组织。最大含量限制为1.0%以阻止相对地不变形相(如马氏体)的形成。
硅含量为0.1重量%至0.5重量%。与低铬水平组合的所述低值使得可保证在成形的丝的整个横截面中获得本发明所规定的显微组织。最大含量限制为0.5%,以在此再次阻止热处理期间形成马氏体,因为该相随后是不可变形的。
铬含量为0.2重量%至1.0重量%。与低水平的硅组合的所述低的值使得可保证在成形的丝的整个横截面中获得本发明所规定的显微组织。最大含量限制为1.0%以阻止在热处理期间形成马氏体。
磷含量限制为0.020重量%以限制偏析,其对抗氢脆性和疲劳性能有不利影响。
硫含量限制为0.015重量%以限制存在夹杂物,其对疲劳性能和氢脆性有不利影响。
氮含量限制为0.010重量%以限制存在氮化物,其对疲劳性能有不利影响。
所述钢种还可以包含最高至0.07%的Al、最高至0.2%的Ni、最高至0.1%的Mo和最高至0.1%的Cu。这些元素的存在是受限制的,因为其在热处理期间引起扩散行为(dispersive behaviors)。
根据本发明的丝的另一必要要素为制成所述丝的钢的显微组织包含贝氏体。其还可以包含面积百分比最高至35%的针状铁素体。通常,层状珠光体也可以以最高至15%的面积百分比存在,优选以最高至10%的面积百分比存在,并且更特别优选的是完全不存在于显微组织中,因为不期望其存在。
因此,期望的显微组织可以是贝氏体或贝氏体-铁素体,贝氏体和针状铁素体相的合计的面积百分比优选大于50%,优选大于70%,最特优选大于90%,或甚至等于100%的面积。
除比例受限制的珠光体之外,还期望避免存在马氏体,其会使得制造根据本发明的丝成为不可能。
根据本发明的冷轧丝(有时称为成形的丝)可呈现适于其最终应用的任意横截面。特别地,其可具有规则的圆横截面,所述横截面通常例如通过由较大直径丝棒的简单拉拔获得。
其还可以具有为矩形的或扁平的或U形的、Z形的、T形的等的横截面,所述横截面通常地需要拉拔操作和轧制操作的组合。这些后面的具有更复杂形状的横截面将使得所述丝可在边缘彼此配合或紧固在一起以形成铰接的支撑束。
其更具体地旨在用于海上采油操作以构成进入管线和其他柔性管道结构中的增强丝、捆扎丝或弓丝(arch wires)。冷轧钢丝在所谓的“环形”区域中两层挤压成的聚合物之间的管线内环绕。
根据本发明的所述丝可以通过使得可获得期望的用途特征的任意的合适方法制造。然而,优选的是使用根据本发明的方法,其包括以下步骤:
-获得热轧钢丝棒,其直径大于或等于10mm,
-使所述丝棒在大于950℃的温度下经受奥氏体化热处理,然后
-通过等温淬火使所述丝棒冷却至350℃至600℃的温度以获得包含至少50%的贝氏体以及任选的最高至35%的针状铁素体和最高至15%的珠光体的组织,然后完成以30℃/秒至100℃/秒的冷却速率至室温的冷却,
-使冷却的丝棒经受以40%至90%的总加工硬化率进行的冷机械转换操作以获得至少800MPa的机械拉伸强度Rm,然后
-使其经历任选的应力消除热处理。
根据本发明的方法还可包括单独考虑的或组合考虑的以下特征:
-所述丝棒经受的奥氏体化热处理为优选在煤气炉中或在感应炉中对预先退绕的丝连续地进行,
-奥氏体化热处理进行2分钟至10分钟的时间,
-所述丝棒在熔融的优选基于铅或盐基(硝酸/亚硝酸钠或钾的混合物)的浴中或者在所述相同元素的流化床中通过等温淬火冷却,浸入时间优选为1分钟至10分钟,优选随后进行水冷却,
-冷机械转换操作包括拉拔步骤,随后是冷轧步骤,优选地进行所述拉拔以获得至少15%或甚至20%的横截面减少率,并且优选地进行所述冷轧以获得至少30%的厚度减少率,
-进行所述冷机械转换操作以获得至少1000MPa的机械拉伸强度Rm,并且随后进行应力消除热处理以使机械拉伸强度Rm不会降低至低于800MPa,或者甚至不会降低至低于850MPa或900MPa。
此外,应力消除操作使得可改善所述丝的抗氢脆性。
附图说明
图1是示出了用钢种1获得的显微组织的不同组分(贝氏体、针状铁素体和层状珠光体)的显微图像;
图2是示出了用钢种3获得的显微组织的不同组分的显微图像。
具体实施方式
为了更好的解释本发明,进行了一些测试,但是这些测试仅用于举例说明目的并且目的不为限制性的。
测试
在以下条件下进行实施以评估根据本发明的丝的性能的测试:
氢脆性(HIC&SSCC测试-NACE TM0177和NACE TM0284标准)
将钢丝浸入pH为4.1的水溶液中,在650MPa的应力下使含有CO2和5mbar H2S的气体鼓泡通过所述水溶液。进行所述测试超过30天,在其结束时,使用超声检测所述丝以检查可能存在的内部裂缝。
腐蚀性环境中的疲劳强度
将钢丝浸入pH为5的水溶液中,在100MPa至500MPa的交变弯曲应力下使含有CO2和多达5mbar的H2S的气体鼓泡通过所述水溶液。当所述丝破裂时停止测试并且记录所达到的百万次循环的数量。
首先制备了一系列钢种,其化学组成以重量百分比列于表1中:
表1
C | Mn | Si | Cr | P | S | N | Al | Ni | Mo | Cu | |
1 | 0.360 | 0.680 | 0.210 | 0.250 | 0.010 | 0.011 | 0.007 | 0.045 | 0.050 | 0.010 | 0.050 |
2 | 0.340 | 0.700 | 0.180 | 0.350 | 0.011 | 0.008 | 0.006 | 0.043 | 0.060 | 0.015 | 0.060 |
3 | 0.320 | 0.725 | 0.180 | 0.406 | 0.011 | 0.010 | 0.003 | 0.020 | 0.020 | 0.015 | 0.009 |
然后,对于钢种1至3,常规地制造直径为15mm的热轧圆丝棒,将其卷绕在线轴上。然后,在第二步中,在煤气炉中在1000℃下使预先退绕的丝奥氏体化6分钟。
然后在熔融铅浴中在500℃下对钢种1和2并且在410℃下对钢种3进行等温淬火5分钟,随后通过水冷给予所述丝以铁素体/贝氏体组织。图1是示出了用钢种1获得的显微组织的不同组分(贝氏体、针状铁素体和层状珠光体)的显微图像,所述显微组织包含少于35%的针状铁素体和少于15%的珠光体。图2是示出了用钢种3获得的显微组织的不同组分的显微图像,所述显微组织包含70%的贝氏体和30%的针状铁素体和层状珠光体。
然后以30%的横截面减少率拉拔所述丝以获得直径为12.54mm的圆丝,然后以50%的厚度减少率进行冷轧以获得横截面为16mm×6.3mm的扁平丝。本文中,在两次冷操作结束时,对应于横截面减少百分比的总加工硬化率为57%。然后在600℃的温度下使所述丝经受应力消除退火30秒。
然后对其进行测试以评估其使用特性,其结果示于表2中:
表2
NR:未进行
不言而喻,本发明不限于上述实施例,而是延伸到多种变体和等同物。
本发明提供以下技术方案:
方案1.一种冷轧钢丝,其特征在于其具有以重量百分比表示的以下化学组成:
0.2≤C%≤0.6
0.5≤Mn%≤1.0
0.1≤Si≤0.5%
0.2≤Cr≤1.0%
P≤0.020%
S≤0.015%
N≤0.010%
以及任选的不超过0.07%的Al、不超过0.2%的Ni、不超过0.1%的Mo和不超过0.1%的Cu,余量为铁和由于加工而不可避免的杂质,其中所述丝具有包含贝氏体,以及任选的最高至35%的针状铁素体和最高至15%的珠光体的显微组织。
方案2.根据方案1所述冷轧丝,所述冷轧丝在暴露于4.1的pH的含有H2S的环境30天之后未出现内部裂缝。
方案3.根据方案1或2所述的冷轧丝,所述冷轧丝在含有H2S和CO2的环境中在+100MPa至+500MPa的交变应力下在二百万次弯曲循环之前未出现破裂。
方案4.根据方案1至3中任一项所述的冷轧丝,所述冷轧丝的机械拉伸强度Rm为900MPa至1300MPa。
方案5.根据方案1至4中任一项所述的冷轧丝,所述冷轧丝的延展性A大于或等于10%。
方案6.一种根据方案1至5中任一项所述的冷轧丝的制造方法,包括以下步骤:
-获得热轧钢丝棒,所述热轧钢丝棒直径大于或等于10mm,
-使所述丝棒在大于950℃的温度下经受奥氏体化热处理,然后
-通过等温淬火使所述丝棒冷却至350℃至600℃的温度以获得包含至少50%的贝氏体以及任选的最高至35%的针状铁素体和最高至15%的珠光体的组织,然后完成以30℃/秒至100℃/秒的冷却速率至室温的冷却,
-使冷却的丝棒经受以40%至90%的总加工硬化率进行的冷机械转换操作以获得至少800MPa的机械拉伸强度Rm,然后
-使其经受任选的应力消除热处理。
方案7.根据方案6所述的制造方法,其中所述丝棒经受的所述奥氏体化热处理是在煤气炉中或在感应炉中对预先退绕的丝连续地进行。
方案8.根据方案6或7所述的制造方法,其中所述奥氏体化热处理进行2分钟至10分钟的时间。
方案9.根据方案6至8中任一项所述的制造方法,其中所述丝棒通过在熔融的基于铅或盐的浴中等温淬火冷却,其中浸入时间为1分钟至10分钟,随后进行水冷却。
方案10.根据方案6至9中任一项所述的制造方法,其中所述冷机械转换操作包括拉拔步骤,随后是冷轧步骤,其中进行所述拉拔以获得至少15%的横截面减少率,进行所述冷轧以获得至少30%的厚度减少率。
方案11.根据方案6至10中任一项所述的制造方法,其中进行所述冷机械转换操作以获得至少1000MPa的机械拉伸强度Rm,随后进行应力消除热处理以使机械拉伸强度Rm不会降低至低于800MPa。
方案12.一种用于碳氢化合物开采业的柔性管道,包含至少一种根据方案1至5中任一项所述的的冷轧丝或通过根据方案6至11中任一项所述的方法获得的冷轧丝。
Claims (10)
1.一种冷轧钢丝,其特征在于其具有以重量百分比表示的以下化学组成:
0.2≤C%≤0.6
0.5≤Mn%≤1.0
0.1≤Si≤0.5%
0.2≤Cr≤1.0%
P≤0.020%
S≤0.015%
N≤0.007%
以及其包含不超过0.07%的Al、不超过0.2%的Ni、不超过0.1%的Mo和不超过0.1%的Cu,余量为铁和由于加工而不可避免的杂质,其中所述丝具有包含贝氏体,以及任选的最高至35%的针状铁素体和最高至15%的珠光体,并且不含马氏体的显微组织;并且
其中所述冷轧钢丝在含有H2S和CO2的环境中在+100MPa至+500MPa的交变应力下在二百万次弯曲循环之前未出现破裂;以及
所述冷轧钢丝的机械拉伸强度Rm为900MPa至1300MPa。
2.根据权利要求1所述冷轧钢丝,所述冷轧钢丝在暴露于4.1的pH的含有H2S的环境30天之后未出现内部裂缝。
3.根据权利要求1至2中任一项所述的冷轧钢丝,所述冷轧钢丝的延展性A大于或等于10%。
4.一种根据权利要求1至3中任一项所述的冷轧钢丝的制造方法,包括以下步骤:
-获得热轧钢丝棒,所述热轧钢丝棒直径大于或等于10mm,
-使所述丝棒在大于950℃的温度下经受奥氏体化热处理,然后
-通过等温淬火使所述丝棒冷却至350℃至600℃的温度以获得包含至少50%的贝氏体以及任选的最高至35%的针状铁素体和最高至15%的珠光体的组织,然后完成以30℃/秒至100℃/秒的冷却速率至室温的冷却,-使冷却的丝棒经受以40%至90%的总加工硬化率进行的冷机械转换操作以获得至少800MPa的机械拉伸强度Rm,然后
-使其经受任选的应力消除热处理。
5.根据权利要求4所述的制造方法,其中所述丝棒经受的所述奥氏体化热处理是在煤气炉中或在感应炉中对预先退绕的丝连续地进行。
6.根据权利要求4或5所述的制造方法,其中所述奥氏体化热处理进行2分钟至10分钟的时间。
7.根据权利要求4至5中任一项所述的制造方法,其中所述丝棒通过在熔融的基于铅或盐的浴中等温淬火冷却,其中浸入时间为1分钟至10分钟,随后进行水冷却。
8.根据权利要求4至5中任一项所述的制造方法,其中所述冷机械转换操作包括拉拔步骤,随后是冷轧步骤,其中进行所述拉拔以获得至少15%的横截面减少率,进行所述冷轧以获得至少30%的厚度减少率。
9.根据权利要求4至5中任一项所述的制造方法,其中进行所述冷机械转换操作以获得至少1000MPa的机械拉伸强度Rm,随后进行应力消除热处理以使机械拉伸强度Rm不会降低至低于800MPa。
10.一种用于碳氢化合物开采业的柔性管道,包含至少一种根据权利要求1至3中任一项所述的冷轧钢丝或通过根据权利要求4至9中任一项所述的方法获得的冷轧钢丝。
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PCT/FR2013/000370 WO2015097349A1 (fr) | 2013-12-24 | 2013-12-24 | Fil laminé à froid en acier à haute résistance à la fatigue et à la fragilisation par l'hydrogène et renfort de conduites flexibles l'incorporant |
FRPCT/FR2013/000370 | 2013-12-24 | ||
CN201480070438.5A CN105849288A (zh) | 2013-12-24 | 2014-12-22 | 具有高疲劳强度和抗氢脆性的冷轧钢丝以及并入有所述冷轧钢丝的增强的柔性管道 |
PCT/FR2014/000301 WO2015097354A1 (fr) | 2013-12-24 | 2014-12-22 | Fil laminé à froid en acier à haute résistance à la fatigue et à la fragilisation par l'hydrogène et renfort de conduites flexibles l'incorporant |
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CN202010637964.2A Active CN111893257B (zh) | 2013-12-24 | 2014-12-22 | 具有高疲劳强度和抗氢脆性的冷轧钢丝以及并入有所述冷轧钢丝的增强的柔性管道 |
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US (2) | US10550448B2 (zh) |
EP (2) | EP3960884A1 (zh) |
JP (2) | JP2017504721A (zh) |
KR (1) | KR101841864B1 (zh) |
CN (2) | CN105849288A (zh) |
BR (1) | BR112016014848B1 (zh) |
CA (1) | CA2935073C (zh) |
DK (1) | DK3087207T3 (zh) |
ES (1) | ES2901710T3 (zh) |
HU (1) | HUE057313T2 (zh) |
MX (1) | MX2016008366A (zh) |
PL (1) | PL3087207T3 (zh) |
PT (1) | PT3087207T (zh) |
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KR102027874B1 (ko) * | 2016-01-15 | 2019-10-02 | 닛폰세이테츠 가부시키가이샤 | 비조질 기계 부품용 강선 및 비조질 기계 부품 |
CN110724795A (zh) * | 2019-09-30 | 2020-01-24 | 江苏冠晟超导科技有限公司 | 导线用钢丝的等温淬火热处理工艺 |
CN111589893A (zh) * | 2020-04-16 | 2020-08-28 | 江苏兴达钢帘线股份有限公司 | 一种橡胶软管增强用钢丝及其生产工艺 |
JPWO2022220281A1 (zh) * | 2021-04-15 | 2022-10-20 | ||
EP4324944A1 (en) * | 2021-04-15 | 2024-02-21 | Tokyo Rope Mfg. Co., Ltd. | Heat-treated steel material and heat treatment method for steel material |
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FR2661194B1 (fr) | 1990-04-20 | 1993-08-13 | Coflexip | Procede d'elaboration de fils d'acier destines a la fabrication de conduites flexibles, fils d'acier obtenus par ce procede et conduites flexibles renforcees par de tels fils. |
RU2102502C1 (ru) * | 1994-10-17 | 1998-01-20 | Инновационная фирма "Экомет", ЛТД" | Способ термической обработки проволоки и устройство для его осуществления |
FR2743573A1 (fr) * | 1996-01-16 | 1997-07-18 | Michelin & Cie | Fil metallique pret a l'emploi et procede pour obtenir ce fil |
KR100285258B1 (ko) | 1996-11-22 | 2001-04-02 | 이구택 | 균질구상화용 고합금강 선재의 제조방법 |
FR2757877B1 (fr) | 1996-12-31 | 1999-02-05 | Ascometal Sa | Acier et procede pour la fabrication d'une piece en acier mise en forme par deformation plastique a froid |
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2013
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2014
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- 2014-12-22 KR KR1020167016844A patent/KR101841864B1/ko active IP Right Grant
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- 2014-12-22 JP JP2016542696A patent/JP2017504721A/ja not_active Withdrawn
- 2014-12-22 WO PCT/FR2014/000301 patent/WO2015097354A1/fr active Application Filing
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CN102959100A (zh) * | 2010-05-31 | 2013-03-06 | 安塞乐米塔尔金属线法国公司 | 耐氢脆的高机械特性成型钢丝 |
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KR101841864B1 (ko) | 2018-03-23 |
JP2017504721A (ja) | 2017-02-09 |
US20160319392A1 (en) | 2016-11-03 |
WO2015097354A1 (fr) | 2015-07-02 |
EP3087207B1 (fr) | 2021-12-08 |
DK3087207T3 (da) | 2022-01-31 |
PL3087207T3 (pl) | 2022-03-21 |
BR112016014848B1 (pt) | 2021-04-27 |
EP3087207A1 (fr) | 2016-11-02 |
ES2901710T3 (es) | 2022-03-23 |
WO2015097349A1 (fr) | 2015-07-02 |
RU2016130275A (ru) | 2018-01-30 |
CA2935073C (fr) | 2020-06-30 |
KR20160090357A (ko) | 2016-07-29 |
CN111893257A (zh) | 2020-11-06 |
CN105849288A (zh) | 2016-08-10 |
US11408049B2 (en) | 2022-08-09 |
US20200032367A1 (en) | 2020-01-30 |
US10550448B2 (en) | 2020-02-04 |
MX2016008366A (es) | 2016-10-14 |
JP2019065394A (ja) | 2019-04-25 |
JP6700364B2 (ja) | 2020-05-27 |
EP3960884A1 (fr) | 2022-03-02 |
PT3087207T (pt) | 2022-01-06 |
RU2662178C2 (ru) | 2018-07-24 |
HUE057313T2 (hu) | 2022-05-28 |
CA2935073A1 (fr) | 2015-07-02 |
SI3087207T1 (sl) | 2022-02-28 |
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