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1. 发明专利

JP2014145097A Ferritic stainless steel sheet for automotive exhaust system member suitable for high temperature press molding and manufacturing method of ferritic stainless steel molding part 有权
标题翻译：用于汽车排气系统的不锈钢不锈钢板适用于高温不锈钢成型件的高温成型和制造方法
公开(公告)号：JP2014145097A
公开(公告)日：2014-08-14
申请号：JP2013013254
申请日：2013-01-28
申请人： Nippon Steel & Sumikin Stainless Steel Corp , 新日鐵住金ステンレス株式会社
发明人： TERAOKA SHINICHI , KUSUMI KAZUHISA , INOUE YOSHIHARU
IPC分类号： C22C38/00 , B21D22/20 , B21D53/88 , C21D9/00 , C21D9/46 , C22C38/48 , C22C38/54
摘要： PROBLEM TO BE SOLVED: To improve processability, the degree of freedom of part shapes and thermal fatigue life by applying high temperature molding for resolving the limitation of part shapes due to the reduction of processability at an ordinary temperature and the reduction of thermal fatigue life.SOLUTION: There is provided a ferritic stainless steel sheet for an automotive exhaust system member suitable for high temperature press molding containing, by mass%, C:0.001 to 0.020%, Si:0.05 to 1.5%, Mn:0.05 to 1.5%, P≤0.035%, S≤0.015%, Cr:13 to 23%, V:0.01 to 0.3%, Al:0.003 to 0.5%, N:0.002 to 0.020%, and further one or more kind of Mo:0.01 to 3.0%, Cu:0.01 to 3.0%, Nb:0.1 to 1.0%, W≤2% and Ni≤1.5% with the formula (1) of 13Nb+3Mo+4W+2Cu-Ni≥4.8 satisfied and the balance Fe with inevitable impurities.
摘要翻译：要解决的问题：为了通过应用高温成型来提高加工性，部件形状的自由度和热疲劳寿命，以解决由于在常温下的加工性降低以及热疲劳寿命的降低而导致的部件形状的限制。解决方案：提供一种用于适用于高温压制成型的汽车排气系统构件的铁素体不锈钢板，以质量％计含有C：0.001〜0.020％，Si：0.05〜1.5％，Mn：0.05〜1.5％，P ≤0.035％，S≤0.015％，Cr：13〜23％，V：0.01〜0.3％，Al：0.003〜0.5％，N：0.002〜0.020％，Mo：0.01〜3.0％，Cu：0.01〜3.0％，Nb：0.1〜1.0％，W≤2％，Ni≤1.5％，式（1）为13Nb + 3Mo + 4W + 2Cu-Ni≥4.8，余量为Fe与不可避免的杂质。

2. 发明专利

JP2011190504A Ferritic stainless steel for automotive exhaust system member 有权
标题翻译：用于汽车排气系统成员的不锈钢
公开(公告)号：JP2011190504A
公开(公告)日：2011-09-29
申请号：JP2010057865
申请日：2010-03-15
申请人： Nippon Steel & Sumikin Stainless Steel Corp , 新日鐵住金ステンレス株式会社
发明人： SAKAMOTO TOSHIHARU , TERAOKA SHINICHI , HIRAIDE NOBUHIKO
IPC分类号： C22C38/00 , C22C38/50 , C22C38/54
CPC分类号： C22C38/02 , C21D6/002 , C22C38/001 , C22C38/004 , C22C38/008 , C22C38/04 , C22C38/06 , C22C38/40 , C22C38/48 , C22C38/50 , F01N2530/04
摘要： PROBLEM TO BE SOLVED: To provide an Mo-saving ferritic stainless steel for an automotive exhaust system member which can obtain corrosion resistance after heating and workability equal to or above those of SUS 436L(17Cr-1.2Mo series) without incorporating Mo therein. SOLUTION: The ferritic stainless steel for an automotive exhaust system member has a composition comprising, by mass, ≤0.015% C, 0.01 to 0.50% Si, 0.01 to 0.50% Mn, ≤0.050% P, ≤0.010% S, ≤0.015% N, 0.010 to 0.100% Al, 16.5 to 22.5% Cr, 0.5 to 2.0% Ni and 0.01 to 0.50% Sn, further comprising one or two selected from 0.03 to 0.30% Ti and 0.03 to 0.30% Nb, and the balance Fe with inevitable impurities, and, if required, further comprising one or two selected from 0.01 to 0.50% Mo, 0.01 to 0.50% Cu and 0.0005 to 0.0050% B. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于汽车排气系统构件的节能型铁素体不锈钢，其可以在不加入Mo的情况下获得加热后的耐腐蚀性等于或高于SUS 436L（17Cr-1.2Mo系列）的耐腐蚀性在其中。解决方案：用于汽车排气系统构件的铁素体不锈钢具有质量≤0.015％，Si：0.01〜0.50％，Mn：0.01〜0.50％，≤0.050％P，≤0.010％的S， ≤0.015％N，0.010〜0.100％的Al，16.5〜22.5％的Cr，0.5〜2.0％的Ni和0.01〜0.50％的Sn，还含有选自0.03〜0.30％的Ti和0.03〜0.30％的Nb中的一种或两种，平衡Fe与不可避免的杂质，并且如果需要，还包含选自0.01至0.50％Mo，0.01至0.50％Cu和0.0005至0.0050％B中的一种或两种。（C）2011，JPO＆INPIT

3. 发明专利

JP2011174122A Low-chromium-containing stainless steel superior in corrosion resistance at welded part 有权
标题翻译：焊接部件耐腐蚀性低含铬不锈钢超导体
公开(公告)号：JP2011174122A
公开(公告)日：2011-09-08
申请号：JP2010038030
申请日：2010-02-24
申请人： Nippon Steel & Sumikin Stainless Steel Corp , 新日鐵住金ステンレス株式会社
发明人： TERAOKA SHINICHI , SAKAMOTO TOSHIHARU , FUKAYA MASUHIRO
IPC分类号： C22C38/00 , B21B3/02 , C21D8/02 , C21D9/46 , C22C38/50
CPC分类号： C21D9/50 , C21D8/0205 , C21D8/0273 , C21D2211/005 , C21D2211/008 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/46 , C22C38/50
摘要： PROBLEM TO BE SOLVED: To provide the most suitable low-chromium-containing stainless steel which prevents the degradation of corrosion resistance at a welded part when the low-chromium-containing stainless steel that uses martensitic transformation has been repeatedly welded (multipath), is superior in grain-boundary corrosion resistance at the welded part even under a severe corrosive environment, at the same time, does not cause preferential corrosion at a portion adjacent to a bonded part in a heat-affected zone, and further is superior in manufacture efficiency. SOLUTION: The low-chromium-containing stainless steel includes, by mass%, 0.015-0.025% C, 0.008-0.014% N, 0.2-1.0% Si, 1.0-1.5 Mn, 0.04% or less P, 0.03% or less S, 10-13% Cr, 0.2-1.5% Ni, 0.005-0.1% Al, further Ti of 6×(C%+N%) or more but 0.25% or less, and the balance Fe with unavoidable impurities, while controlling the content of each element so as to satisfy expression (A): γp=420×C%+470×N%+23×Ni%+9×Cu%+7×Mn%-11.5×Cr%-11.5×Si%-12×Mo%-23×V%-47×Nb%-49×Ti%-52×Al%+189≥80% and expression (B): Ti%×N% COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供最适合的低含铬不锈钢，当使用马氏体转变的低含铬不锈钢已被反复焊接时，可防止焊接部件的耐腐蚀性降低（多径），即使在严酷的腐蚀环境下，焊接部的晶界耐腐蚀性也优异，同时在热影响区附近的接合部附近也不会产生优先的腐蚀，在制造效率。解决方案：低铬含量的不锈钢以质量％计含有0.015-0.025％C，0.008-0.014％N，0.2-1.0％Si，1.0-1.5Mn，0.04％以下的P，0.03％或更少的S，10-13％的Cr，0.2-1.5％的Ni，0.005-0.1％的Al，另外的Ti为6×（C％+ N％）或更高但是0.25％以下，余量为Fe，不可避免的杂质，同时控制各元素的含量以满足表达式（A）：γp= 420×C％+ 470×N％+ 23×Ni％+ 9×Cu％+ 7×Mn％-11.5×Cr％-11.5× Si％-12×Mo％-23×V％-47×Nb％-49×Ti％-52×Al％+189≥80％，（B）：Ti％×N％<0.003; 并且在热影响区由于多路径焊接而具有优异的耐晶界腐蚀性，并且在与热影响区的接合部分相邻的部分具有优良的耐腐蚀性。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2010215995A Martensitic stainless steel having excellent corrosion resistance 有权
标题翻译：具有优异耐腐蚀性的马氏体不锈钢
公开(公告)号：JP2010215995A
公开(公告)日：2010-09-30
申请号：JP2009067136
申请日：2009-03-19
申请人： Nippon Steel & Sumikin Stainless Steel Corp , 新日鐵住金ステンレス株式会社
发明人： TERAOKA SHINICHI , SAKAMOTO TOSHIHARU
IPC分类号： C22C38/00 , C21D8/02 , C21D9/46 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a martensitic stainless steel sheet which has excellent corrosion resistance, at a low cost.
SOLUTION: The martensitic stainless steel having excellent corrosion resistance has a steel composition comprising, by mass, 0.03 to 0.25% C, 0.25 to 0.60% Si, ≤2.00% Mn, ≤0.035% P, ≤0.01% S, 11.0 to 15.5% Cr, ≤0.60% Ni, ≤0.80% Cu, 0.03 to 0.15% Sn, ≤0.060% V, ≤0.03% Al and 0.01 to 0.08% N, and the balance Fe with inevitable impurities, wherein the range of Sn and N satisfies a following inequality (A), and whose hardness is 300 to 600 HV by quenching or quenching and tempering: inequality (A) MCI=0.0016-(0.65Sn-0.059)
2 +(N-0.050)
2 ≥0.0 where, Sn and N are mass%.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：以低成本提供耐腐蚀性优异的马氏体不锈钢板。解决方案：具有优异耐腐蚀性的马氏体不锈钢具有质量含有0.03-0.25％C，0.25-0.60％Si，≤2.00％Mn，≤0.035％P，≤0.01％S，11.0％的钢组成至15.5％的Cr，≤0.60％的Ni，≤0.80％的Cu，0.03-0.15％的Sn，≤0.060％的V，≤0.03％的Al和0.01到0.08％的N，余量为Fe与不可避免的杂质，其中Sn的范围并且N满足以下不等式（A），通过淬火或淬火回火，其硬度为300〜600HV：不等式（A）MCI = 0.0016-（0.65Sn-0.059） 2 + -0.050） 2 ≥0.0其中，Sn和N为质量％。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2010106315A Martensitic stainless steel for disc brake 有权
标题翻译：用于碟形刹车的MARTENSITIC不锈钢
公开(公告)号：JP2010106315A
公开(公告)日：2010-05-13
申请号：JP2008279238
申请日：2008-10-30
申请人： Nippon Steel & Sumikin Stainless Steel Corp , 新日鐵住金ステンレス株式会社
发明人： TERAOKA SHINICHI , ITO TSUTOMU , KOYAMA YUJI
IPC分类号： C22C38/00 , C22C38/42 , C22C38/50
摘要： PROBLEM TO BE SOLVED: To provide such a component composition as to impart all of rust resistance, toughness, resistance to softening due to heat caused by braking and productivity, in a martensitic stainless steel for a disc brake in a two-wheeled vehicle to be used in as-quenched state.
SOLUTION: The martensitic stainless steel for the disk brake comprises, by mass%, 0.025-0.055% C, 0.040-0.060% N, 0.25-0.45% Si, 1.0-1.5% Mn, 0.3% or less Ni, 11.5-13.5% Cr, 0.3-0.8% Cu, 0.001-0.010% Al and the balance Fe with unavoidable impurities, while satisfying the expressions: C+0.8×N: 0.055-0.080% and C/N=0.6-1.2, and while controlling γp expressed by the expression: γp=420[%C]+470[%N]+23[%Ni]+9[%Cu]+7[Mn]-11.5[%Cr]-11.5[%Si]-52[%AL]+189 to 85 to less than 100; and has a hardness of 32-38 by HRC after having been quenched.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供这样一种组成成分，用于赋予两轮盘式制动用马氏体不锈钢中所有的防锈性，韧性，由于制动产生的热而产生的软化的耐软化性和生产率车辆在淬火状态下使用。解决方案：用于盘式制动器的马氏体不锈钢以质量％计含有0.025-0.055％C，0.040-0.060％N，0.25-0.45％Si，1.0-1.5％Mn，0.3％或更少的Ni，11.5 -13.5％Cr，0.3-0.8％Cu，0.001-0.010％Al，余量为Fe和不可避免的杂质，同时满足以下表达式：C + 0.8×N：0.055-0.080％，C / N = 0.6-1.2，而控制由以下表达式表示的γp：γp= 420 [％C] +470 [％N] +23 [％Ni] +9 [％Cu] +7 [Mn] -11.5 [％Cr] -11.5 [％Si] 52 [％AL] +189〜85〜小于100; 淬火后HRC的硬度为32-38。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2010031315A Low alloy type ferritic stainless steel for automotive exhaust system member having excellent corrosion resistance after heating 有权
标题翻译：用于汽车排气系统的低合金型不锈钢在加热后具有优异的耐腐蚀性
公开(公告)号：JP2010031315A
公开(公告)日：2010-02-12
申请号：JP2008193714
申请日：2008-07-28
申请人： Nippon Steel & Sumikin Stainless Steel Corp , 新日鐵住金ステンレス株式会社
发明人： HIRAIDE NOBUHIKO , SAKAMOTO TOSHIHARU , TERAOKA SHINICHI
IPC分类号： C22C38/00 , C22C38/14 , C22C38/60 , F01N13/16
摘要： PROBLEM TO BE SOLVED: To provide a low alloy type ferritic stainless steel for an automotive exhaust system member which has corrosion resistance after heating more excellent than that of SUH409L(11Cr series) and has workability more excellent than those of AISI439(17Cr series) and is low in cost.
SOLUTION: There is disclosed the low alloy type ferritic stainless steel for the automotive exhaust system member having excellent corrosion resistance after heating, which has a composition comprising, by mass, ≤0.015% C, 0.05 to 0.50% Si, 0.05 to 0.50% Mn, ≤0.050% P, ≤0.0100% S, ≤0.015% N, 0.020 to 0.100% Al and 12.5 to 16.5% Cr, and further comprising one or two kinds selected from 0.03 to 0.30% Ti and 0.03 to 0.30% Nb, and the balance Fe with inevitable impurities, and in which A value defined by formula (1)A=[Cr]+[Si]+0.5[Mn]+10[Al] is ≥13.0.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种用于汽车排气系统构件的低合金型铁素体不锈钢，其加热后的耐腐蚀性优于SUH409L（11Cr系列），并且具有比AISI439（17Cr）更好的可加工性系列），成本低廉。解决方案：公开了用于汽车排气系统构件的低合金型铁素体不锈钢，其在加热后具有优异的耐腐蚀性，其组成包括质量为≤0.015％C，0.05至0.50％Si，0.05至 0.50％Mn，≤0.050％P，≤0.0100％S，≤0.015％N，0.020〜0.100％Al和12.5〜16.5％Cr，还含有选自0.03〜0.30％Ti和0.03〜0.30％ Nb，余量为Fe与不可避免的杂质，其中A = [Cr] + [Si] +0.5 [Mn] +10 [Al]的式（1）定义的A值≥13.0。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2014169491A Ferritic stainless steel for exhaust system member excellent in corrosion resistance 有权
标题翻译：用于排气系统成员的铁素不锈钢耐腐蚀性优异
公开(公告)号：JP2014169491A
公开(公告)日：2014-09-18
申请号：JP2013042938
申请日：2013-03-05
申请人： Nippon Steel & Sumikin Stainless Steel Corp , 新日鐵住金ステンレス株式会社
发明人： SAKAMOTO TOSHIHARU , TERAOKA SHINICHI , HIRAIDE NOBUHIKO
IPC分类号： C22C38/00 , C22C38/28 , C22C38/54
摘要： PROBLEM TO BE SOLVED: To provide a 11% Cr based stainless steel for an exhaust system member of an automobile or a two-wheeled vehicle excellent in salt damage corrosion resistance and condensed water corrosion resistance in low cost.SOLUTION: There is provided a ferritic stainless steel for an exhaust system member excellent in corrosion resistance containing, by mass%, C:0.0150% or less, Si:0.2 to 0.7%, Mn:0.2 to 0.6%, P:0.050% or less, S:0.0100% or less, N:0.0150% or less, Al:0.010 to 0.20%, Cr:10.5 to 11.5%, Mo:0.02 to 0.20% and Sn:0.005 to 0.050% and one or two kinds of Ti:0.03 to 0.30% and Nb:0.03 to 0.50%, and the balance Fe with inevitable impurities, and satisfying an A value defined in the formula (1) to be 0.00065%or more. A=[Mo]×[Sn] (1).
摘要翻译：要解决的问题：提供一种低成本的耐盐腐蚀性和冷凝水腐蚀性优异的汽车用排气系统构件11％Cr系不锈钢或两轮车辆。解决方案：提供铁素体耐腐蚀性优异的排气系统构件用不锈钢，以质量％计含有C：0.0150％以下，Si：0.2〜0.7％，Mn：0.2〜0.6％，P：0.050％以下，S：0.0100％以下较少，N：0.0150％以下，Al：0.010〜0.20％，Cr：10.5〜11.5％，Mo：0.02〜0.20％，Sn：0.005〜0.050％，Ti：0.03〜0.30％，Nb：0.03〜：0.03〜0.50％，余量为Fe与不可避免的杂质，满足式（1）中定义的A值为0.00065％以上。 A = [Mo]×[Sn]（1）。

8. 发明专利

JP2013204136A Ferritic stainless steel plate excellent in heat resistance 有权
标题翻译：不锈钢不锈钢板耐高温
公开(公告)号：JP2013204136A
公开(公告)日：2013-10-07
申请号：JP2012077228
申请日：2012-03-29
申请人： Nippon Steel & Sumikin Stainless Steel Corp , 新日鐵住金ステンレス株式会社
发明人： TERAOKA SHINICHI , FUKUDA AKIHIRO , FUJITANI MAKOTO
IPC分类号： C22C38/00 , C21D9/46 , C22C38/28 , C22C38/54
摘要： PROBLEM TO BE SOLVED: To provide a Sn-containing ferritic stainless steel excellent in heat resistance.SOLUTION: A ferritic stainless steel includes, by mass%, ≤0.015% C, 0.05-1.5% Si, ≤1.5% Mn, ≤0.035% P, ≤0.015% S, 13-21% Cr, 0.05-0.50% Sn, 0.20-0.60% Nb, ≤0.05% Ti, and ≤0.002% N, with the balance of Fe and inevitable impurities, while satisfying formula (1): 8≤CI=(Ti+0.52Nb)/(C+N)≤26, and formula (2): GBSV=Sn+1.3Ti-Nb-0.3Mo-0.06≤0. When heat treatment is applied at 600 to 750°C so that an L value of formula (3): L=(273+T)(log(t)+20) becomes ≥1.91×10, a Sn concentration at the grain boundary is ≤2 atom%, where T represents a temperature (°C) and t represents a time (h).
摘要翻译：要解决的问题：提供耐热性优异的含Sn铁素体系不锈钢。解决方案：铁素体不锈钢以质量％计含有≤0.015％C，0.05-1.5％Si，≤1.5％Mn，≤0.035％ P，≤0.015％S，13-21％Cr，0.05-0.50％Sn，0.20-0.60％Nb，≤0.05％Ti和≤0.002％N，余量为Fe和不可避免的杂质，同时满足公式（1 ）：8≤CI=（Ti + 0.52Nb）/（C + N）≤26，式（2）：GBSV = Sn + 1.3Ti-Nb-0.3Mo-0.06≤0。当在600〜750℃下进行热处理使得式（3）的L值：L =（273 + T）（log（t）+20）变为≥1.91×10时，晶界处的Sn浓度 ≤2原子％，其中T表示温度（℃），t表示时间（h）。

9. 发明专利

JP2010209458A Chromium-plated stainless steel sheet superior in corrosion resistance after having been worked 有权
标题翻译：镀铬不锈钢板耐腐蚀性高于工作时间
公开(公告)号：JP2010209458A
公开(公告)日：2010-09-24
申请号：JP2009172590
申请日：2009-07-24
申请人： Nippon Steel & Sumikin Stainless Steel Corp , 新日鐵住金ステンレス株式会社
发明人： SAKAMOTO TOSHIHARU , TERAOKA SHINICHI
IPC分类号： C25D5/26
摘要： PROBLEM TO BE SOLVED: To provide a chromium-plated stainless steel sheet superior in corrosion resistance after having been worked. SOLUTION: The chromium-plated stainless steel sheet superior in corrosion resistance after having been worked has a corrosion prevention layer containing an outer layer of a hydration chromium oxide layer and an inner layer of a metallic chromium layer, on the surface of a substrate of a stainless steel sheet containing 10.5-30.0 mass% Cr. The corrosion prevention layer has a thickness of 0.01-0.10 μm, and preferably has such corrosion resistance that a cathode current density measured in a 3.5% NaCl solution at 30°C, which is in a state of being opened to the atmospheric air, is 2.5 μA/cm 2 or less in such a condition that the electric potential is -0.6 V with respect to a silver/silver chloride standard electrode. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供加工后耐腐蚀性优异的镀铬不锈钢板。解决方案：加工后的耐腐蚀性优异的镀铬不锈钢板在其表面上具有包含水合氧化铬层外层和金属铬层内层的防腐蚀层含有10.5〜30.0质量％Cr的不锈钢板的基材。防腐蚀层的厚度为0.01-0.10μm，优选具有这样的耐腐蚀性，即在处于大气中的状态下在30℃的3.5％NaCl溶液中测量的阴极电流密度为在相对于银/氯化银标准电极的电位为-0.6V的条件下，为2.5μA/ cm 2 / SP以下。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2010116619A Mo SAVING TYPE FERRITIC STAINLESS STEEL FOR AUTOMOTIVE EXHAUST SYSTEM MEMBER HAVING EXCELLENT CORROSION RESISTANCE AFTER HEATING 有权
标题翻译：用于汽车排气系统的Mo保存型不锈钢在加热后具有优异的耐腐蚀性
公开(公告)号：JP2010116619A
公开(公告)日：2010-05-27
申请号：JP2008292091
申请日：2008-11-14
申请人： Nippon Steel & Sumikin Stainless Steel Corp , 新日鐵住金ステンレス株式会社
发明人： SAKAMOTO TOSHIHARU , TERAOKA SHINICHI , HIRAIDE NOBUHIKO
IPC分类号： C22C38/00 , C22C38/28 , C22C38/60 , F01N13/16
摘要： PROBLEM TO BE SOLVED: To provide an Mo saving type ferritic stainless steel for an automotive exhaust system member which can obtain corrosion resistance after heating and workability equal to or above those of SUS436J1L (17Cr-0.5Mo series) without comprising Mo. SOLUTION: The Mo saving type ferritic stainless steel for an automotive exhaust system member having excellent corrosion resistance after heating has a composition comprising, by mass, ≤0.015% C, 0.10 to 0.50% Si, 0.05 to 0.50% Mn, ≤0.050% P, ≤0.0100% S, ≤0.015% N, 0.010 to 0.100% Al and 16.5 to 22.5% Cr, further comprising one or two kinds selected from 0.03 to 0.30% Ti and 0.03 to 0.30% Nb, further comprising one or more kinds selected from 0.05 to 1.00% Sn and 0.05 to 1.00% Sb, and, if required, further comprising one or more kinds selected from 0.05 to 0.50% Cu, 0.05 to 0.50% Ni and 0.0005 to 0.0050% B. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于汽车排气系统构件的Mo节约型铁素体不锈钢，其可以获得等于或高于不含Mo的SUS436J1L（17Cr-0.5Mo系列）的加热后的耐腐蚀性。＆lt; P＆gt;解决方案：加热后耐腐蚀性优异的汽车用排气系统部件用Mo型铁素体系不锈钢，其组成为：质量％≤0.15％，Si：0.10〜0.50％，Mn：0.05〜0.50％ 0.050％P，≤0.0100％S，≤0.015％N，0.010〜0.100％Al和16.5〜22.5％Cr，还含有选自0.03〜0.30％Ti和0.03〜0.30％Nb中的一种或两种，还包含一种或选自0.05〜1.00％的Sn和0.05〜1.00％的Sb的多种，如果需要，还可以含有选自0.05〜0.50％的Cu，0.05〜0.50％的Ni和0.0005〜0.0050％的一种或多种。版权所有（C）2010，JPO＆INPIT

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