公开(公告)号：US09523402B2

公开(公告)日：2016-12-20

申请号：US14394624

申请日：2014-02-07

申请人： NIPPON STEEL & SUMIKIN STAINLESS STEEL CORPORATION

发明人： Shinichi Teraoka ,  Yoshiharu Inoue ,  Yuji Koyama ,  Masaaki Kobayashi ,  Toshio Tanoue

IPC分类号： F16D65/12 ,  C22C38/00 ,  C22C38/54 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C21D6/00 ,  C21D1/18 ,  F16D69/00 ,  C21D9/00

CPC分类号： F16D65/125 ,  C21D1/18 ,  C21D6/002 ,  C21D6/004 ,  C21D6/005 ,  C21D6/008 ,  C21D9/0068 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54 ,  F16D2200/0021 ,  F16D2250/00

摘要： The present invention is directed to a stainless steel brake disc which is excellent in toughness, corrosion resistance, and wear resistance, and comprises, in % by mass, 0.030 to 0.080% of C, 0.05% to 1.0% of Si, 1.0 to 1.5% of Mn, 0.035% or less of P, 0.015% or less of S, 11.0 to 14.0% of Cr, 0.01 to 0.50% of Ni, 0.001 to 0.15% of V, less than 0.1% of Nb, 0.05% or less of Ti, 0.05% or less of Zr, 0.05% or less of Al, 0.015 to 0.060% of N, 0.0002% or more and 0.0050% or less of B, and 0.0080% or less of O, wherein an AT value of equation 1 is 0.055 to 0.090, equation 2 is satisfied, a ferrite phase fraction, in which an IQ value of an EBSD pattern is 4,000 or more, is 1% to 15%, a Charpy impact value is 50 J/cm2 or more, and hardness is 32 to 38 HRC. C+0.8(N−B)  (1) PV=1.2Ti+0.8Zr+Nb+1.1Al+O≦0.1  (2)

公开(公告)号：US10260134B2

公开(公告)日：2019-04-16

申请号：US14969310

申请日：2015-12-15

申请人： Nippon Steel & Sumikin Stainless Steel Corporation

发明人： Junichi Hamada ,  Yuji Koyama ,  Yoshiharu Inoue ,  Tadashi Komori ,  Fumio Fudanoki ,  Toshio Tanoue ,  Naoto Ono

IPC分类号： C22C38/54 ,  C21D9/46 ,  C22C38/32 ,  C21D6/00 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/20 ,  C22C38/22 ,  C22C38/26 ,  C22C38/28 ,  C22C38/40 ,  C22C38/44 ,  C22C38/48 ,  C22C38/50 ,  C21D8/02 ,  C22C38/42 ,  C22C38/52 ,  C21D7/02 ,  C21D7/13

摘要： A heat-resistant cold rolled ferritic stainless steel sheet containing, in mass %, 0.02% or less of C, 0.1% to 1.0% of Si, greater than 0.6% to 1.5% of Mn, 0.01% to 0.05% of P, 0.0001% to 0.0100% of S, 13.0% to 20.0% of Cr, 0.1% to 3.0% of Mo, 0.005% to 0.20% of Ti, 0.3% to 1.0% of Nb, 0.0002% to 0.0050% of B, 0.005% to 0.50% of Al, 0.02% or less of N, with the balance being Fe and inevitable impurities, in which {111}-oriented grains are present at an area ratio of 20% or greater in a region from a surface layer to t/4 (t is a sheet thickness), {111}-oriented grains are present at an area ratio of 40% or greater in a region from t/4 to t/2, and {011}-oriented grains are present at an area ratio of 15% or less in the entire region in a thickness direction.

公开(公告)号：US09963767B2

公开(公告)日：2018-05-08

申请号：US15021078

申请日：2014-09-12

申请人： NIPPON STEEL & SUMIKIN STAINLESS STEEL CORPORATION

发明人： Hiroshi Urashima ,  Shunji Sakamoto ,  Shinichi Teraoka ,  Toshio Tanoue

IPC分类号： C22C38/60 ,  B60K15/04 ,  C23C2/12 ,  C25D13/12 ,  C22C38/00 ,  C22C38/28 ,  C22C38/54 ,  C23F13/16 ,  F02M37/00 ,  F16L58/00 ,  F16L3/237 ,  C23C2/26 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/20 ,  C22C38/22 ,  C22C38/24 ,  C22C38/26 ,  C22C38/30 ,  C22C38/32 ,  C22C38/48 ,  C22C38/50 ,  C25D7/04 ,  C25D9/00 ,  C25D13/14 ,  F16L58/08 ,  B60K15/035 ,  B60K15/03

CPC分类号： C22C38/60 ,  B60K15/04 ,  B60K2015/0346 ,  B60K2015/03538 ,  B60K2015/0458 ,  B60K2015/047 ,  C22C38/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/004 ,  C22C38/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/20 ,  C22C38/22 ,  C22C38/24 ,  C22C38/26 ,  C22C38/28 ,  C22C38/30 ,  C22C38/32 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54 ,  C23C2/12 ,  C23C2/26 ,  C23F13/16 ,  C23F2213/32 ,  C25D7/04 ,  C25D9/00 ,  C25D13/12 ,  C25D13/14 ,  F02M37/0017 ,  F16L3/237 ,  F16L58/00 ,  F16L58/08

摘要： An automotive member or a feed oil pipe includes: a member made of a ferritic stainless steel containing predetermined components containing 10.5% to 18.0% of Cr in mass %; a metal fitting made of an aluminized stainless steel sheet, the metal fitting being attached to the member; and a gap structure defined between the member and the metal fitting, the gap structure being exposed to a chloride environment, where the metal fitting has an Al-plating weight per unit area of 20 g/m2 or more and 150 g/m2 or less on a surface corresponding to a gap of the gap structure, and surfaces of the metal fitting and the non-aluminized member other than the gap are coated with a cation electrodeposition coating film having a thickness of 5 μm to 35 μm.

公开(公告)号：US20150020933A1

公开(公告)日：2015-01-22

申请号：US14383434

申请日：2013-03-26

申请人： Nippon Steel & Sumikin Stainless Steel Corporation

发明人： Junichi Hamada ,  Yuji Koyama ,  Yoshiharu Inoue ,  Tadashi Komori ,  Fumio Fudanoki ,  Toshio Tanoue ,  Naoto Ono

IPC分类号： C21D8/02 ,  C22C38/54 ,  C22C38/52 ,  C22C38/50 ,  C22C38/48 ,  C22C38/44 ,  C22C38/42 ,  C22C38/32 ,  C22C38/28 ,  C22C38/26 ,  C22C38/22 ,  C22C38/20 ,  C22C38/06 ,  C22C38/04 ,  C22C38/02 ,  C22C38/00 ,  C21D9/46

CPC分类号： C22C38/54 ,  C21D6/002 ,  C21D7/02 ,  C21D7/13 ,  C21D8/0236 ,  C21D8/0263 ,  C21D9/46 ,  C21D2201/05 ,  C21D2211/005 ,  C22C38/001 ,  C22C38/002 ,  C22C38/004 ,  C22C38/008 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/20 ,  C22C38/22 ,  C22C38/26 ,  C22C38/28 ,  C22C38/32 ,  C22C38/40 ,  C22C38/42 ,  C22C38/44 ,  C22C38/48 ,  C22C38/50 ,  C22C38/52

摘要： Provided is a heat-resistant cold rolled ferritic stainless steel sheet containing, in terms of mass %, 0.02% or less of C, 0.1% to 1.0% of Si, greater than 0.6% to 1.5% of Mn, 0.01% to 0.05% of P, 0.0001% to 0.0100% of S, 13.0% to 20.0% of Cr, 0.1% to 3.0% of Mo, 0.005% to 0.20% of Ti, 0.3% to 1.0% of Nb, 0.0002% to 0.0050% of B, 0.005% to 0.50% of Al, and 0.02% or less of N, with the balance being Fe and inevitable impurities, in which {111}-oriented grains are present at an area ratio of 20% or greater in a region from a surface layer to t/4 (t is a sheet thickness), {111}-oriented grains are present at an area ratio of 40% or greater in a region from t/4 to t/2, and {011}-oriented grains are present at an area ratio of 15% or less in the entire region in a thickness direction.

摘要翻译： 本发明提供一种耐热冷轧铁素体系不锈钢板，其以质量％计含有0.02％以下的C，0.1〜1.0％的Si，大于0.6％〜1.5％的Mn，0.01〜0.05％ 的P，0.0001〜0.0100％的S，13.0〜20.0％的Cr，0.1〜3.0％的Mo，0.005〜0.20％的Ti，0.3〜1.0％的Nb，0.0002〜0.0050％的B ，Al：0.005〜0.50％，N：0.02％以下，余量为Fe和不可避免的杂质，{111}取向晶粒的面积比为20％以上， 表面层至t / 4（t为片材厚度），{111}取向晶粒以t / 4至t / 2的区域以40％以上的面积比存在，{011}取向晶粒 以厚度方向的整个区域的面积率为15％以下。

公开(公告)号：US11427881B2

公开(公告)日：2022-08-30

申请号：US17130634

申请日：2020-12-22

申请人： NIPPON STEEL & SUMIKIN STAINLESS STEEL CORPORATION

发明人： Junichi Hamada ,  Kou Nishimura ,  Jun Araki ,  Nozomu Fukuda ,  Toshio Tanoue

IPC分类号： C21D9/46 ,  C22C38/60 ,  C22C38/28 ,  C21D6/00 ,  C21D8/02 ,  C22C38/02 ,  C22C38/04 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54 ,  C22C38/00

摘要： A ferritic stainless steel sheet and a steel pipe as a material suitable for a heat-resistant component that is required to have especially excellent formability are provided. The ferritic stainless steel sheet contains 10 to 20 mass % of Cr and a predetermined amount of C, Si, Mn, P, S, Al and one or both of Ti and Nb, a {111}-orientation intensity being 5 or more and {411}-orientation intensity being less than 3 at a portion in the vicinity of a sheet-thickness central portion of the ferritic stainless steel sheet. Further, with similar composition and by setting {111} -orientation intensity at 4.0 or more and {311} -orientation intensity at less than 3.0, a relationship rm≥−1.0t+3.0 (t(mm): sheet thickness, rm: average r-value) is satisfied, thereby providing a ferritic stainless steel sheet and a steel pipe with excellent formability.

公开(公告)号：US10539264B2

公开(公告)日：2020-01-21

申请号：US15549953

申请日：2016-02-09

申请人： NIPPON STEEL & SUMIKIN STAINLESS STEEL CORPORATION

发明人： Hiroshi Urashima ,  Yoshiharu Inoue ,  Toshio Tanoue

IPC分类号： F16L58/04 ,  C22C38/00 ,  C22C38/28 ,  C22C38/60 ,  C09D5/08 ,  C09D167/02 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/20 ,  C22C38/24 ,  C22C38/30 ,  C22C38/32 ,  C22C38/44 ,  C22C38/48 ,  C22C38/50 ,  C25D13/04 ,  F16L58/18 ,  C22C21/02 ,  F01M11/04

摘要： An automotive member or oil filler pipe includes: a member of ferritic stainless steel containing, in mass %, at most 0.015% of C, at most 0.015% of N, 10.5 to 18.0% of Cr, 0.01 to 0.80% of Si, 0.01 to 0.80% of Mn, at most 0.050% of P, at most 0.010% of S, 0.010 to 0.100% of Al, more than 0.3 to 1.5% of Mo, and one or both of 0.03 to 0.30% of Ti and Nb; and a metal fitting of an aluminized stainless steel sheet, which is attached to the member to define therebetween a gap structure to be exposed to a chloride environment, and has an Al-plating weight per unit area ranging from 20 to 150 g/m2 in the gap structure. Surfaces of the metal fitting and member not facing the gap are coated with a cation electrodeposition coating film having a thickness of 5 to 35 μm.

公开(公告)号：US20150101898A1

公开(公告)日：2015-04-16

申请号：US14394624

申请日：2014-02-07

申请人： NIPPON STEEL & SUMIKIN STAINLESS STEEL CORPORATION

发明人： Shinichi Teraoka ,  Yoshiharu Inoue ,  Yuji Koyama ,  Masaaki Kobayashi ,  Toshio Tanoue

IPC分类号： F16D65/12 ,  C21D6/00 ,  C22C38/50 ,  C22C38/48 ,  C22C38/00 ,  C22C38/54 ,  C22C38/06 ,  C22C38/04 ,  C22C38/02 ,  C21D9/00 ,  C22C38/46

CPC分类号： F16D65/125 ,  C21D1/18 ,  C21D6/002 ,  C21D6/004 ,  C21D6/005 ,  C21D6/008 ,  C21D9/0068 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/46 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54 ,  F16D2200/0021 ,  F16D2250/00

摘要： The present invention is directed to a stainless steel brake disc which is excellent in toughness, corrosion resistance, and wear resistance, and comprises, in % by mass, 0.030 to 0.080% of C, 0.05% to 1.0% of Si, 1.0 to 1.5% of Mn, 0.035% or less of P, 0.015% or less of S, 11.0 to 14.0% of Cr, 0.01 to 0.50% of Ni, 0.001 to 0.15% of V, less than 0.1% of Nb, 0.05% or less of Ti, 0.05% or less of Zr, 0.05% or less of Al, 0.015 to 0.060% of N, 0.0002% or more and 0.0050% or less of B, and 0.0080% or less of O, wherein an AT value of equation 1 is 0.055 to 0.090, equation 2 is satisfied, a ferrite phase fraction, in which an IQ value of an EBSD pattern is 4,000 or more, is 1% to 15%, a Charpy impact value is 50 J/cm2 or more, and hardness is 32 to 38 HRC. C+0.8(N−B)  (1) PV=1.2Ti+0.8Zr+Nb+1.1Al+O≦0.1  (2)

摘要翻译： 本发明涉及韧性，耐腐蚀性和耐磨性优异的不锈钢制动盘，以质量％计含有C：0.030〜0.080％，Si：0.05〜1.0％，1.0〜1.5 ，Mn：0.035％以下，S：0.015％以下，Cr：11.0〜14.0％，Ni：0.01〜0.50％，V：0.001〜0.15％，Nb：0.1％以下，0.05％以下 的Ti，0.05％以下的Zr，0.05％以下的Al，0.015〜0.060％的N，0.0002％以上且0.0050％以下的B，0.0080％以下的O，其中，式 1为0.055〜0.090，满足式2，EBSD图案的IQ值为4,000以上的铁素体相分数为1％〜15％，夏比冲击值为50J / cm 2以上， 硬度为32〜38HRC。 C + 0.8（N-B）（1）PV = 1.2Ti + 0.8Zr + Nb + 1.1Al + O＆nlE; 0.1（2）