公开(公告)号：US20030124020A1

公开(公告)日：2003-07-03

申请号：US10134565

申请日：2002-04-26

发明人： Renzhen Song ,  Xizhe Jiang ,  Jinchang Chen

IPC分类号： C22C038/12

CPC分类号： C22C38/04 ,  C22C38/12

摘要： The present invention discloses an Nickel free high manganese steel-YW35 steel which has high strength and high tenacity at low temperature, and a fishplate made of the same. The YW35 steel for steel rail fishplate is produced by adding some amount of Molybdenum and the microelement Vanadium and Niobium in the high Manganese steel and reducing the carbon content thereof, to thereby improve the low temperature property of the steel, said YW35 steel comprising (by weight percentage): C: 0.32null0.40, Mn: 1.10null1.30, Si: 0.30null0.50, p:

摘要翻译： 本发明公开了一种在低温下具有高强度和高韧性的无镍高锰钢YW35钢和由其制成的鱼骨。 用于钢轨鱼板的YW35钢是通过在高锰钢中加入一定量的钼和微量元素钒和铌，并降低其含碳量，从而提高钢的低温性能，所述YW35钢包括（由 重量百分比）：C：0.32〜0.40，Mn：1.10〜1.30，Si：0.30〜0.50，p：<0.035，S：<0.035，Mo：0.15〜0.25，V：0.06〜0.20，Nb：0.04〜0.07， Cu：<0.20，平衡量为Fe。

公开(公告)号：US20020162613A1

公开(公告)日：2002-11-07

申请号：US09793579

申请日：2001-02-27

申请人： Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)

发明人： Takahiro Kashima ,  Shunichi Hashimoto

IPC分类号： C22C038/12 ,  C22C038/14

CPC分类号： C22C38/14 ,  C21D8/0226 ,  C21D8/0263 ,  C22C38/04 ,  C22C38/06 ,  C22C38/12

摘要： Disclosed herein is a high-strength hot-rolled steel sheet superior in stretch-flanging properties and fatigue properties which comprises (in mass %) 0.01-0.10% C, less than 2% Si (including 0%), 0.5-2% Mn, less than 0.08% P (including 0%), less than 0.01% S (including 0%), less than 0.01% N (including 0%), 0.01-0.1% Al, and at least one of 0.1-0.5% Ti and less than 0.8% Nb (including 0%), with the granular bainitic structure accounting for more than 80% (by area) in its sectional metallographic structure. Disclosed also herein is a process for producing said steel sheet.

摘要翻译： 本发明公开了一种拉伸折边特性和疲劳特性优异的高强度热轧钢板，其含有（质量％）为0.01-0.10％C，小于2％的Si（包括0％），0.5-2％的Mn ，小于0.08％的P（包括0％），小于0.01％的S（包括0％），小于0.01％的N（包括0％），0.01-0.1％的Al和0.1-0.5％的Ti中的至少一种 和小于0.8％的Nb（包括0％），颗粒状贝氏体组织在其断面金相结构中占80％以上。 本文还公开了一种生产所述钢板的方法。

公开(公告)号：US20010023723A1

公开(公告)日：2001-09-27

申请号：US09779488

申请日：2001-02-09

发明人： Takehiko Kikuchi ,  Setsuo Kajiwara ,  Daozhi Liu ,  Kazuyuki Ogawa ,  Norio Shinya

IPC分类号： C22C038/12

CPC分类号： C22C38/58 ,  C21D6/005 ,  C21D2201/01 ,  C22C38/26 ,  C22C38/34 ,  C22C38/38 ,  C22C38/48 ,  C22F1/006

摘要： A novel shape memory alloy of FenullMnnullSi system containing at least Fe, Mn, and Si wherein the alloy contains niobium carbide in the structure and is improved in that a sufficiently satisfactory shape memory effect is provided without carrying out a special treatment termed training.

摘要翻译： 至少含有Fe，Mn和Si的Fe-Mn-Si体系的新型形状记忆合金，其中该合金在该结构中含有碳化铌，并且具有改进，因为提供了足够令人满意的形状记忆效应，而不进行称为 训练。

公开(公告)号：US20040202567A1

公开(公告)日：2004-10-14

申请号：US10762559

申请日：2004-01-23

申请人： Koyo Seiko Co., Ltd.

发明人： Katsunori Takada ,  Koichiro Inoue ,  Katsushi Goto ,  Atsuhiko Ohta ,  Tomoyuki Takei

IPC分类号： C22C038/12 ,  C22C038/14

CPC分类号： C22C38/02 ,  B62D3/12 ,  C21D1/10 ,  C21D7/13 ,  C21D9/32 ,  C21D2211/002 ,  C21D2211/005 ,  C21D2211/009 ,  C22C38/04 ,  C22C38/12 ,  C22C38/14 ,  C22C38/18 ,  Y02P10/253

摘要： A steel for use in high strength pinion shaft which is not refined and used by applying high frequency hardening with less occurrence of peeling during hobbing, having high surface hardness, impact value and torsional strength after high frequency hardening, and with less heat treatment strains during high frequency hardening, containing, on the mass % basis; C; 0.45-0.55%, Si: 0.10-0.50%, MA: 0.50-1.20%, P: 0.025% or less, S: 0.025% or less, Mo: 0.15-0.25%, B: 0.0005-0.005%, Ti: 0.005-0.10%, and N: 0.015% or less, satisfying; 0.80nullCeq 0.95 and f valuenull1.0, and the balance of Fe and inevitable impurities, as well as a manufacturing method thereof.

摘要翻译： 一种用于高强度小齿轮轴的钢，通过在滚压期间施加高频硬化，较少发生剥离，在高频硬化后具有高表面硬度，冲击值和扭转强度以及较少的热处理应变，而不被精炼和使用 高频淬火，以质量％计; C; 0.45-0.55％，Si：0.10-0.50％，MA：0.50-1.20％，P：0.025％以下，S：0.025％以下，Mo：0.15〜0.25％，B：0.0005〜0.005％，Ti：0.005 -0.10％，N：0.015％以下，满足; 0.80 <= Ceq 0.95，f值<= 1.0，余量为Fe和不可避免的杂质，以及其制造方法。

公开(公告)号：US20040052675A1

公开(公告)日：2004-03-18

申请号：US10624998

申请日：2003-07-22

发明人： Bodo Gehrmann ,  Burkhard Erpenbeck

IPC分类号： C22C038/12

CPC分类号： C22C38/44 ,  C22C38/48 ,  H01J2229/0733

摘要： The invention relates to creep-resistant iron-nickel alloys with a low thermal expansion coefficient that contain (in weight %) 0.008 to 0.12 C, 0.05 to 0.30% Mn, 0.05 to 0.30% Si, 0.2 to 0.9% Mo, 0.1 to 0.3% Cr, 0.03 to 0.15% Nb, a maximum content of 0.5% Co as well as a content of 36.0 to 36.5% Ni, and a balance of iron and production-related impurities. The alloys have a thermal expansion coefficient of less than 2.0null10null6/K in the temperature range of 20 to 100null C.

摘要翻译： 本发明涉及具有低热膨胀系数的耐蠕变铁镍合金，其含有（重量％）0.008至0.12C，0.05至0.30％Mn，0.05至0.30％Si，0.2至0.9％Mo，0.1至0.3 ％Cr，0.03〜0.15％Nb，最大含量为0.5％Co，含量为36.0〜36.5％的Ni，余量为铁和生产相关杂质。 该合金的热膨胀系数在20〜100℃的温度范围内小于2.0×10 -6 / K。

公开(公告)号：US20030034100A1

公开(公告)日：2003-02-20

申请号：US09919946

申请日：2001-08-02

发明人： Jeffery W. Doonan ,  Peter Ivan Unicomb ,  Robert K. Armstrong

IPC分类号： C22C038/12 ,  C22C038/14

CPC分类号： C21D8/0247 ,  C21D8/0226 ,  C21D9/60 ,  C21D2211/003 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/04 ,  C22C38/12 ,  C22C38/14 ,  Y02P10/253

摘要： Steel strapping and a method of manufacturing steel strapping are disclosed. The steel strapping has the following composition in wt % and a microstructure including a matrix of recovery-annealed cold worked ferrite containing martensite and carbides dispersed through the matrix. 1 C:up to 0.2 Mn:up to 2.0 Si:0.2-0.4 Ti:0.025-0.045 V:0.05-0.07 Cr:up to 0.25 Ni:up to 0.30 Mo:up to 0.10 N:up to 0.005 Cu:up to 0.20 Al:up to 0.08 Nb:up to 0.005 P:up to 0.035 S:up to 0.020 Balancenullnulliron and incidental impurities.

公开(公告)号：US20040003871A1

公开(公告)日：2004-01-08

申请号：US10280346

申请日：2002-10-25

发明人： Tatsuo Fukuzumi ,  Motoki Watanabe ,  Tsuneo Yoshimura ,  Katsuyuki Uchibori

IPC分类号： C22C038/12

CPC分类号： C22C38/60 ,  C22C38/002 ,  C22C38/04 ,  C22C38/12

摘要： A sulfur-containing free-cutting steel for machine structural use, comprising, in weight percent, 0.10 to 0.55% of C, 0.05 to 1.00% of Si, 0.30 to 2.50% of Mn, not more than 0.15% of P, 0.050 to 0.350% of S, more than 0.010% but not more than 0.020% of Al, 0.015 to 0.200% of Nb, 0.0015 to 0.0150% of O, and not more than 0.02% of N, and further containing, in weight percent, at least one selected from the group consisting of 0.03 to 0.50% of V, 0.02 to 0.20% of Ti and 0.01 to 0.20% of Zr, wherein the ratio S/O of the S content to the O content is 15 to 120, and at least one selected from the group consisting of an oxide, a carbide, a nitride and a carbonitride of Nb (see FIG. 1) acts as nuclei for precipitation of an MnS type inclusions. Through a sulfur-containing free-cutting steel for machine structural use obtained by adjusting the chemical composition of steel, to provide a sulfur free-cutting steel that does not contain lead but has a machinability and mechanical properties on a par with conventional lead-containing free-cutting steel.

摘要翻译： 一种用于机械结构用途的含硫自由切削钢，其重量百分比为C：0.10〜0.55％，Si：0.05〜1.00％，Mn：0.30〜2.50％，P：0.15％以下，0.050〜 S的0.350％，Al的0.010％以上且0.020％以下，Nb：0.015〜0.200％，O：0.0015〜0.0150％，N：0.02以下，进一步含有 至少一种选自V，0.03〜0.50％，0.02〜0.20％Ti和0.01〜0.20％Zr，其中S含量与O含量之比S / O为15〜120， 选自Nb（参见图1）的氧化物，碳化物，氮化物和碳氮化物的至少一种作为析出MnS型夹杂物的核。 通过调整钢的化学成分得到的用于机械结构用途的含硫自由切削钢，提供不含铅的不含硫的切削钢，但具有与常规含铅量相同的机械加工性和机械性能 切削钢。

公开(公告)号：US20030063996A1

公开(公告)日：2003-04-03

申请号：US10108691

申请日：2002-03-28

申请人： NKK CORPORATION

发明人： Yoshimasa Funakawa ,  Tsuyoshi Shiozaki ,  Kunikazu Tomita ,  Takanobu Saito ,  Hiroshi Nakata ,  Kaoru Sato ,  Minoru Suwa ,  Tetsuo Yawamoto ,  Yasuhiro Murao ,  Eiji Maeda

IPC分类号： C22C038/12 ,  C22C038/14

CPC分类号： C23C2/40 ,  B32B15/013 ,  C21D8/0226 ,  C21D2211/004 ,  C21D2211/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/12 ,  C22C38/14 ,  Y10T428/12799

摘要： The present invention relates to a high strength hot rolled steel sheet containing 0.15% or less C, 0.02 to 0.35% Ti, and 0.05 to 0.7% Mo by weight percentage and consisting essentially of a matrix of ferrite structure single phase and fine precipitates with a grain size of smaller than 10 nm dispersed in the matrix, for example, a high strength hot rolled steel sheet which consists essentially of 0.06% or less C, 0.5% or less Si, 0.5 to 2.0% Mn, 0.06% or less P, 0.005% or less S, 0.1% or less Al, 0.006% or less N, 0.02 to 0.10% Ti, 0.05 to 0.6% Mo by weight percentage, and the balance being Fe, wherein fine precipitates with a grain size of smaller than 10 nm are dispersed in a matrix of ferrite structure single phase at a number per unit volume of 5null104/nullm3 or higher. This steel sheet, which has tensile strength of not lower than 550 MPa, high elongation and excellent stretch flangeability, is suitable for intricately shaped automotive chassis parts such as a suspension arm.

摘要翻译： 本发明涉及含有0.15％以下的C，0.02〜0.35％Ti和0.05〜0.7％Mo的高强度热轧钢板，主要由铁素体结构单相和微细析出物组成， 分散在基体中的小于10nm的晶粒尺寸，例如基本上由0.06％以下的C，0.5％以下的Si，0.5〜2.0％的Mn，0.06％以下的P组成的高强度热轧钢板， 0.005％以下的S，0.1％以下的Al，0.006％以下的N，0.02〜0.10％的Ti，0.05〜0.6％的Mo，余量为Fe，其中微细析出的晶粒尺寸小于10 nm分散在铁素体结构单相的矩阵中，每单位体积的数量为5×10 4 / m 3或更高。 该拉伸强度不低于550MPa，伸长率高，拉伸凸缘性优异的钢板适用于悬挂臂等复杂形状的汽车底盘部件。

公开(公告)号：US20030047246A1

公开(公告)日：2003-03-13

申请号：US10125433

申请日：2002-04-19

申请人： HITACHI METALS, LTD.

发明人： Ken Inoue ,  Junichi Nishida

IPC分类号： C22C038/12 ,  C22C038/00 ,  C22C038/22

CPC分类号： H01J29/07 ,  C21D8/0236 ,  C21D8/0273 ,  C22C38/004 ,  C22C38/04 ,  C22C38/12 ,  H01J9/142 ,  H01J2229/0733

摘要： There are provided a material for a tension type color-selective device for a color cathode-ray tube, the material consisting essentially, by mass, of 0.1 to 1.0% Mo, from 0 but less than 0.01% W, from 0 but less than 0.2% Cr, less than 0.05% C, and the balance substantially Fe, the material having a half-width not less than 0.2 of a diffraction peak obtained regarding a (211) plane of the material in a X-ray diffraction by use of a Co-Knull1 ray, and a method of producing the material.

摘要翻译： 提供了一种用于彩色阴极射线管的张力型彩色选择装置的材料，该材料基本上由质量分数为0.1至1.0％的Mo，0但小于0.01％W，为0但小于 0.2％Cr，小于0.05％C，余量基本上为Fe，该材料的X射线衍射中的材料的（211）面获得的衍射峰的半值宽度不小于0.2，使用 Co-Kalpha1射线及其制造方法。

公开(公告)号：US20010001049A1

公开(公告)日：2001-05-10

申请号：US09756245

申请日：2001-01-08

发明人： Yuichi Higo ,  Seiichi Hamanaka ,  Toru Fujita

IPC分类号： B32B015/18 ,  C21D009/52 ,  C22C038/12 ,  C22C038/06

CPC分类号： C22C38/12 ,  C21D8/0226 ,  C21D8/0236 ,  C21D8/0278 ,  C22C38/04 ,  C22C38/06 ,  C22C38/42 ,  C22C38/44 ,  Y10T428/12757 ,  Y10T428/12799

摘要： A cold-rolled steel strip or hot-dip coated cold-rolled steel strip for use as a fire-proof building member has composition consisting of 0.01-0.25 wt. % C, up to 1.5 wt. % Si, 0.05-2.5 wt. % Mn, up to 0.1 wt. % P, no more than 0.02 wt. % S, 0.005-0.1 wt. % Al, 0.05-1.0 wt. % Mo, optionally 0.005-0.2 wt. % one or more selected from Ti, Nb, V and W, optionally one or more of 0.05-0.6 wt. % Cu, 0.05-0.6 wt. % Ni, 0.05-3.0 wt. % Cr and 0.0003-0.003 wt. % B and the balance being essentially Fe except inevitable impurities. The cold-rolled steel strip is manufactured by hot-rolling, acid-pickling, cold-rolling and then annealing at a temperature above its recrystallization temperature but below 950null C. The hot-dip coated cold-rolled steel strip is manufactured in the same way but in-line heating a cold-rolled steel strip at a temperature above its recrystallization temperature but below 950null C. and then immersing it into a coating bath. The annealed or hot-dip coated steel strip may be further cold-rolled with such a slight duty to induce a plastic strain of 1-5%.

摘要翻译： 用作防火建筑构件的冷轧钢带或热浸镀锌冷轧钢带具有0.01-0.25重量％ ％C，高达1.5wt。 ％Si，0.05-2.5wt。 ％Mn，至多0.1重量％ ％P，不超过0.02重量％ ％S，0.005-0.1重量％ ％Al，0.05-1.0wt。 ％Mo，任选地0.005-0.2wt。 选自Ti，Nb，V和W中的一种或多种，​​任选的一种或多种0.05-0.6wt。 ％Cu，0.05-0.6wt。 ％Ni，0.05-3.0wt。 ％Cr和0.0003-0.003wt。 ％B，余量基本上为Fe，除了不可避免的杂质。 冷轧钢带通过热轧，酸洗，冷轧，然后在高于其再结晶温度但低于950℃的温度下进行退火制造。热浸镀锌冷轧钢带在 以相同的方式在高于其再结晶温度但低于950℃的温度下对冷轧钢带进行在线加热，然后将其浸入镀浴中。 退火或热浸涂层的钢带可以进一步用这种轻微的负荷进行冷轧以诱导1-5％的塑性应变。