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公开(公告)号：US5091024A
公开(公告)日：1992-02-25
申请号：US544322
申请日：1990-06-27
CPC分类号： C22C38/22
摘要： A ferritic alloy, having an improved combination of magnetic properties and corrosion resistance, contains, in weight percent, about______________________________________ % ______________________________________ Carbon 0.03 max. Manganese 0.5 max. Silicon 0.5 max. Phosphorus 0.03 max. Sulfur 0-0.5 Chromium 10-13.0 Molybdenum 0-1.5 Nitrogen 0.05 max. Titanium 0.01 max. Aluminum 0.01 max. ______________________________________ and the balance is essentially iron. The alloy, and articles made therefrom, provide higher saturation induction than known corrosion resistant, magnetic alloys.
摘要翻译： 具有改进的磁特性和耐腐蚀性的组合的铁素体合金以重量％计含有约-0.8％ -Manganese 0.5最大 硅0.5最大 - 磷0.03 - 硫0-0.5 - 氯10-13.0 - 钼0-1.5 - 氮0.05最大 - 钛0.01最大 - 铝0.01最大 - 平衡本质上是铁。 合金及其制成的制品比已知的耐腐蚀磁性合金提供更高的饱和感应。
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公开(公告)号：US4994122A
公开(公告)日：1991-02-19
申请号：US379486
申请日：1989-07-13
IPC分类号： C22C38/22
CPC分类号： C22C38/22
摘要： A ferritic alloy, having an improved combination of magnetic properties and corrosion resistance, contains, in weight percent, about______________________________________ % ______________________________________ Carbon 0.03 max. Manganese 0.5 max. Silicon 0.5 max. Sulfur 0-0.5 Chromium 2-13.0 Molybdenum 0-1.5 Nitrogen 0.05 max. ______________________________________ and the balance is essentially iron. The alloy, and articles made therefrom, provide higher saturation induction than known corrosion resistant, magnetic alloys.
摘要翻译： 具有改进的磁特性和耐腐蚀性的组合的铁素体合金以重量％计含有约-0.8％ -Manganese 0.5最大 硅0.5最大 硫0-0.5-氯2-13.0-钼0-1.5 - 氮0.05最大 - 平衡本质上是铁。 合金及其制成的制品比已知的耐腐蚀磁性合金提供更高的饱和感应。
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公开(公告)号：US5601664A
公开(公告)日：1997-02-11
申请号：US555508
申请日：1995-11-08
CPC分类号： C22C38/22 , C22C38/26 , H01F1/14766
摘要： A ferritic, stainless steel alloy containing in weight percent about 0.05% max. C, 2.0% max. Mn, 0.70-1.5% Si, 0.1-0.5% S, 15-20% Or, 0.80-3.00% Mo, 0.10-1.0% Nb, 0.06% max. N, and the balance iron and impurities, provides a unique combination of magnetic properties, corrosion resistance, and machinability.
摘要翻译： 铁素体不锈钢合金，其重量百分比约为0.05％。 C，最大2.0％ Mn，0.70-1.5％Si，0.1-0.5％S，15-20％或0.80-3.00％Mo，0.10-1.0％Nb，最大0.06％。 N，余量为铁和杂质，提供了磁性，耐腐蚀性和机械加工性的独特组合。
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公开(公告)号：US4371394A
公开(公告)日：1983-02-01
申请号：US209056
申请日：1980-11-21
IPC分类号： C22C38/58
CPC分类号： C22C38/58
摘要： A corrosion resistant austenitic stainless steel alloy and articles made therefrom consisting essentially in weight percent of______________________________________ (w/o) ______________________________________ C 0.03-0.1 Mn 4-11 Si 0.6 Max. Cr 20-23 Ni 14-18 Mo 4.8-5.6 B 0.01 Max. Ce + La 0.4 Max. Al 0.1 Max. C + N 0.23 Min. ______________________________________ in which nitrogen ranges from a minimum of 0.15 w/o to no more than the amount that can be retained in solid solution, the balance being essentially iron, and the elements being balanced so that cold rolled annealed specimens prepared with a crevice and tested in accordance with ASTM G48-76 in 10 w/o FeCl.sub.3 .multidot.6H.sub.2 O at 50.degree. C. for 72 hours have a weight loss of less than 0.3 gram. An embodiment that is particularly well suited for making autogeneously welded articles, e.g. tubing, for uses requiring exposure to brackish water consists essentially in weight percent of:______________________________________ (w/o) ______________________________________ C 0.06-0.08 Mn 4-6 Si 0.6 Max. Cr 20.5-21.5 Ni 14.5-15.5 Mo 4.8-5.4 B 0.0015-0.0035 Al 0.5 Max. N 0.20-0.25 ______________________________________ in which the balance is essentially iron.
摘要翻译： 耐腐蚀奥氏体不锈钢合金及其制成的制品基本上以 - （w / o）-C 0.03-0.1 -Mn 4-11 -Si 0.6的最大重量百分比组成。 -Cr 20-23 -Ni 14-18 -Mo 4.8-5.6 -B 0.01最大 -Ce + La 0.4最大 -Al 0.1最大 -C + N 0.23 Min。 - 其中氮范围从0.15w / o至不超过固体溶液中保留的量，余量基本上是铁，并且元件是平衡的，以便冷缝退火样品用缝隙和试验制备 根据ASTM G48-76在10w / o FeCl 3 x 6H 2 O中在50℃下72小时的重量损失小于0.3克。 特别适合于制造自动焊接制品的实施例，例如， 用于需要暴露于咸水的用途的管道基本上以重量百分比表示： - （w / o）-C 0.06-0.08-Mn 4-6 -Si 0.6最大。 -Cr 20.5-21.5 -Ni 14.5-15.5 -Mo 4.8-5.4 -B 0.0015-0.0035 -Al 0.5最大 -N 0.20-0.25 - 其中天平基本上是铁。
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公开(公告)号：US4832765A
公开(公告)日：1989-05-23
申请号：US15584
申请日：1987-02-17
CPC分类号： C22C38/40 , C22C38/001 , C22C38/44
摘要： A stainless duplex ferritic-austenitic steel with improved corrosion resistance. The steel consists essentially of about: 0.03 w/o Max. carbon, 3.0 w/o Max. manganese, 1.0 w/o Max. silicon, 26.0 to 29.0 w/o chromium, 3.5 to 5.2 w/o nickel, 3.5 w/o Max. molybdenum, 0.15 w/o Min. nitrogen and the balance essentially iron. The steel preferably contains about 0.17 to 0.35 w/o nitrogen for improved pitting resistance and for increased austenite content. Welds of the steel preferably contain at least about 17% austenite in the as-welded condition for improved pitting and intergranular corrosion resistance.
摘要翻译： 具有改善耐腐蚀性的不锈钢复合铁素体 - 奥氏体钢。 钢基本上由以下组成：0.03w / o Max。 碳，3.0 w / o最大 锰，1.0w / o最大 硅，26.0至29.0w / o铬，3.5至5.2w / o镍，3.5w / o最大。 钼，0.15w / o最小。 氮气和天平基本上是铁。 钢优选含有约0.17至0.35w / o的氮气以改善耐点蚀性和提高奥氏体含量。 钢的焊接优选在焊接条件下含有至少约17％的奥氏体，以改善点蚀和耐晶间腐蚀性。
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公开(公告)号：US4818484A
公开(公告)日：1989-04-04
申请号：US935116
申请日：1986-11-26
CPC分类号： C22C38/001 , C22C38/44
摘要： A large, austenitic, non-magnetic, stainless steel, alloy article which has been significantly warm worked between about 1500 F. and 1650 F. but not subsequently annealed, which has a 0.2% yield strength of at least about 90 ksi, and which, when formed into a U-bend, does not undergo stress corrosion cracking within about 700 hours in boiling saturated aqueous sodium chloride containing 2 weight percent (w/o) ammonium bisulfite. The alloy of the article consists essentially of about:______________________________________ Elements w/o ______________________________________ C 0.1 Max. Mn 1-11 Si 0.6 Max. Cr 18-23 Ni 14-25 Mo 2.5-6.5 Cu 2 Max. B .01 Max. N 0.15 Min. C + N .gtoreq. ##STR1## ______________________________________ and the balance is essentially iron. A preferred alloy for this article contains about:______________________________________ Elements w/o ______________________________________ C .02 Max. Mn 3.0-9.0 Si 0.5 Max. Cr 18-23 Ni 15-22 Mo 2.5-6.5 N 0.20 Min. 3 Mo + Cr .gtoreq. 29.5 ______________________________________
摘要翻译： 大大的奥氏体非磁性不锈钢合金制品已经在大约1500°F和1650°F之间被显着地加热，但没有随后退火，其具有至少约90ksi的0.2％屈服强度，并且其中 当形成U形弯曲时，在含有2重量％（w / o）亚硫酸氢铵的沸腾饱和氯化钠水溶液中，在约700小时内不会发生应力腐蚀开裂。 制品的合金基本上由以下组成： - 元素w / o -C 0.1最大 -Mn 1-11 -Si 0.6最大 -Cr 18-23 -Ni 14-25 -Mo 2.5-6.5 -Cu 2最大 -B .01最大 -N 0.15最小 -C + N> / =
- 平衡基本上是铁。 本文中优选的合金包含： - 不含-C。 -Mn 3.0-9.0 -Si 0.5 Max -C 18-18 -N 15-22 -Mo 2.5-6.5 -N 0.20 Min。 -3 Mo + Cr> / = 29.5 - -
公开(公告)号：US5556594A
公开(公告)日：1996-09-17
申请号：US869138
申请日：1986-05-30
CPC分类号： E21B17/00 , C22C19/055
摘要： An age hardenable nickel base chromium, molybdenum, alloy as well as intermediate products and articles made therefrom are disclosed which, in the solution treated and age hardened condition, have a 0.2% yield strength greater than 100 ksi combined with resistance to pitting and crevice corrosion and to stress corrosion cracking in chloride and sulfide environments at elevated temperatures up to about 500.degree. F. without requiring working below the recrystallization temperature of the alloy. Broad and preferred ranges are disclosed as follows:______________________________________ Broad (w/o) Preferred (w/o)______________________________________C 0.1 Max. 0.03 Max.Mn 5 Max. 2 Max.Si 1 Max. 0.5 Max.P 0.03 Max. 0.015 Max.S 0.03 Max. 0.010 Max.Cr 16-24 18-22Mo 7-12 7.5-11W 4 Max. --Nb 2-6 2.75-4.25Ti 0.50-2.5 0.75-1.5Al Trace-1 0.05-0.35B 0.02 Max. 0.001-0.006Zr 0.50 Max. 0.08 Max.Co 5 Max. --Cu 0-3 0.5 Max.N 0.04 Max. 0.01 Max.Fe 20 Max. 2-14______________________________________the balance being at least about 55% nickel, the sum of the percent chromium and molybdenum being not greater than 31, and the sum of the percent niobium, titanium and aluminum being such that the total atomic percent thereof is about 3.5 a/o to 5 a/o when calculated as 0.64(w/o Nb)+1.24(w/o Ti)+2.20(w/o Al).
摘要翻译： 公开了一种可老化的镍基铬，钼，合金以及由其制成的中间产品和制品，其在溶液处理和老化硬化条件下具有大于100ksi的0.2％屈服强度，同时具有抗点蚀和缝隙腐蚀 并在高达约500°F的高温下在氯化物和硫化物环境中应力腐蚀开裂，而不需要低于合金的再结晶温度。 宽泛和优选的范围公开如下： - 宽（w / o）优选（w / o）-C 0.1最大 0.03最大 - 锰5最大 2最大 - Si 1 Max 0.5最大 - P 0.03最大 0.015最大 - S 0.03最大 0.010最大 - Cr 16-24 18-22 - Mo 7-12 7.5-11 - W 4最大 - - Nb 2-6 2.75-4.25 - Ti 0.50-2.5 0.75-1.5 - Al Trace-1 0.05-0.35 - B 0.02最大 0.001-0.006 - Zr 0.50最大 0.08最大 - Co 5最大 - - Cu 0-3 0.5最大 - N 0.04最大 0.01最大 - Fe 20最大 2-14 - 余量为镍的至少约55％，铬和钼的百分比不大于31，铌，钛和铝的百分比之和为总原子百分数约为3.5 a / o至5 a / o，当计算为0.64（w / o Nb）+1.24（w / o Ti）+2.20（w / o Al）时。
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公开(公告)号：US4554028A
公开(公告)日：1985-11-19
申请号：US560932
申请日：1983-12-13
CPC分类号： C22C38/001 , C22C38/44
摘要： A large, austenitic, non-magnetic, stainless steel, alloy article which has been significantly warm worked between about 1500.degree. F. and 1650.degree. F. but not subsequently annealed, which has a 0.2% yield strength of at least about 90 ksi, and which, when formed into a U-bend, does not undergo stress corrosion cracking within about 700 hours in boiling saturated aqueous sodium chloride containing 2 weight percent (w/o) ammonium bisulfite. The alloy of the article consists essentially of about:______________________________________ Elements w/o ______________________________________ C 0.1 Max. Mn 1-11 Si 0.6 Max. Cr 18-23 Ni 14-25 Mo 2.5-6.5 Cu 2 Max. B .01 Max. N 0.15 Min. C + N .gtoreq. ##STR1## ______________________________________ and the balance is essentially iron. a preferred alloy for this article contains about:______________________________________ Elements w/o ______________________________________ C .02 Max. Mn 3.0-9.0 Si 0.5 Max. Cr 18-23 Ni 15-22 Mo 2.5-6.5 N 0.20 Min. 3Mo + Cr .gtoreq. 29.5 ______________________________________
摘要翻译： 大大的奥氏体非磁性不锈钢合金制品在约1500°F和1650°F之间已被显着地加热，但没有随后退火，其屈服强度为至少约90ksi的0.2％ 并且当形成U形弯曲时，在含有2重量％（w / o）亚硫酸氢铵的沸腾饱和氯化钠水溶液中，在约700小时内不会发生应力腐蚀开裂。 制品的合金基本上由以下组成： - 元素w / o -C 0.1最大 -Mn 1-11 -Si 0.6最大 -Cr 18-23 -Ni 14-25 -Mo 2.5-6.5 -Cu 2最大 -B .01最大 -N 0.15最小 -C + N> / =
- 平衡基本上是铁。 本文中优选的合金包含： - 元素不含-C .02最大 -Mn 3.0-9.0 -Si 0.5最大 -C 18-18 -N 15-22 -Mo 2.5-6.5 -N 0.20 Min。 -3Mo + Cr> / = 29.5 - -
公开(公告)号：US4487744A
公开(公告)日：1984-12-11
申请号：US402638
申请日：1982-07-28
IPC分类号： C22C30/00
CPC分类号： C22C30/00 , Y10T428/12931
摘要： An austenitic stainless corrosion resistant alloy and articles made therefrom having good resistance to pitting and crevice corrosion in oxidizing chloride-bearing media combined with resistance to general corrosion and to intergranular corrosion in oxidizing media, containing in weight percent about______________________________________ w/o______________________________________C 0.06 Max.Mn 1.4 Max.Si 0.9 Max.P 0.035 Max.S 0.035 Max.Cr 20-26Ni 34-44Mo 3-
摘要翻译： 奥氏体不锈钢耐腐蚀合金及其制成的制品在氧化含氯介质中具有良好的耐点蚀和缝隙腐蚀性，并具有耐腐蚀性和耐氧化介质中的晶间腐蚀，其重量百分比约为-w / o-C 0.06 最大 -Mn 1.4最大 -Si 0.9最大 -P 0.035最大 -S 0.035最大 -Cr 20-26 -Ni 34-44 -Mo 3- <5.1 -Cu 0.1- <3.1 -N 0.4最大 -B 0.005最大 -Ce + La 0.4最大 添加-Nb 1最大 -Ti 0.5最大 - 和平衡铁。 氮的量不大于可以保留在溶液中的量。 当存在铌加钛时，其最小值范围向上，这足以使化学计量与超过0.025w / o的碳的量结合。 在该组合物中，元素铬，镍，钼和铜的平衡使得相关I的值等于或小于1.6021，相关II的值等于或小于5.相关I：1.6021等于或大于 （％Cr）-0.0769（％Ni）-0.046（％Mo）+0.03（％Cu）+0.0017（％Ni）2 + 0.048 6（％Mo）2-0.0066（％Ni） （％Mo）。 相关性II：5等于或大于14.7182-0.3759（％Cr）+0.0986（％Ni）-1.2976（％Mo）+0.02（％Cu）-0.0165（％Cr）（％Mo）-0.0202 （％Cr）（％Cu）+0.0223（％Ni）（％Cu）。
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