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公开(公告)号：US10236105B2
公开(公告)日：2019-03-19
申请号：US14422991
申请日：2012-12-11
发明人： Huabing Zhang , Guobao Li , Xijiang Lu , Yongjie Yang , Zhuochao Hu , Kanyi Shen , Jiaqiang Gao , Meihong Wu
IPC分类号： C21D6/00 , C23C8/26 , H01F1/147 , C21D8/12 , C22C38/34 , C22C38/00 , C22C38/04 , C22C38/06 , C22C38/24 , C22C38/28 , H01F1/18 , C23F17/00 , C22C38/22 , C22C38/26 , C22C38/60
摘要： The invention relates to high magnetic induction oriented silicon steel and a preparation method thereof. The oriented silicon steel comprises the following chemical elements by weight percent: 0.035-0.120% of C, 2.9-4.5% of Si, 0.05-0.20% of Mn, 0.005-0.050% of P, 0.005-0.012% of S, 0.015-0.035% of Als, 0.001-0.010% of N, 0.05-0.30% of Cr, 0.005-0.090% of Sn, not more than 0.0100% of V, not more than 0.0100% of Ti, at least one of trace elements of Sb, Bi, Nb and Mo, and the balance of Fe and other inevitable impurities, wherein Sb+Bi+Nb+Mo is 0.0015-0.0250% and (Sb/121.8+Bi/209.0+Nb/92.9+Mo/95.9)/(Ti/47.9+V/50.9) ranges from 0.1 to 15.
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公开(公告)号：US20230094959A1
公开(公告)日：2023-03-30
申请号：US17800787
申请日：2021-02-07
发明人： Sixin Zhao , Zongze Huang , Jiaqiang Gao , Jun Zhang
IPC分类号： C22C38/58 , C21D1/25 , C21D1/58 , C21D1/60 , C21D9/00 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/54
摘要： Disclosed are a steel with controlled steel ratio and a manufacturing method therefor. The steel comprises the following components in percentage by mass: C: 0.245-0.365%, Si: 0.10-0.80%, Mn: 0.20-2.00%, P:≤0.015%, S:≤0.003%, Cr: 0.20-2.50%, Mo: 0.10-0.90%, Nb: 0-0.08%, Ni: 2.30-4.20%, Cu: 0-0.30%, V: 0.01-0.13%, B: 0-0.0020%, Al: 0.01-0.06%, Ti: 0-0.05%, Ca:≤0.004%, H:≤0.0002%, N:≤0.013%, O:≤0.0020%, and the balance of Fe and inevitable impurities, wherein the components satisfy (8.57*C+1.12*Ni)≥4.8% and 1.2%≤(1.08*Mn+2.13*Cr)≤5.6%. The steel has excellent low-temperature impact toughness and aging impact toughness at −20° C. and −40° C., a rationally controlled yield ratio, and ultra-high strength, ultra-high toughness, and ultra-high plasticity, which can be used in applications such as offshore platform mooring chains, mechanical structures, and automobiles that require high strength and toughness of the steel.
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公开(公告)号：US20240318276A1
公开(公告)日：2024-09-26
申请号：US18278386
申请日：2022-03-02
发明人： Jun Zhang , Sixin Zhao , Jiaqiang Gao , Wei Wang
IPC分类号： C21D9/32 , C21D1/32 , C21D1/84 , C21D6/00 , C21D8/00 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/28 , C22C38/32
CPC分类号： C21D9/32 , C21D1/32 , C21D1/84 , C21D6/002 , C21D6/005 , C21D6/008 , C21D8/005 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/28 , C22C38/32 , C21D2211/005
摘要： Disclosed is a cold forged gear steel. In addition to Fe and inevitable impurities, the cold forged gear steel further comprises the following chemical elements in mass percentage: 0.15-0.17% of C, 0.10-0.20% of Si, 1.0-1.10% of Mn, 0.80-0.90% of Cr and 0.02-0.04% of Al. Correspondingly, further disclosed is a manufacturing method for the cold forged gear steel, comprising the steps of: (1) smelting and casting; (2) heating; (3) forging or rolling; and (4) spheroidizing annealing: heating to and keeping at 750-770° C., then cooling with a cooling rate of 5-15° C./h to and keeping at 700-720° C., cooling with a cooling rate of 3-12° C./h to and keeping at 660-680° C., and cooling with a cooling rate of 5-20° C./h to 500° C. or below, and then tapping and cooling.
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4.发明申请High Magnetic Induction Oriented Silicon Steel and Manufacturing Method Thereof 审中-公开高磁感应定向硅钢及其制造方法公开(公告)号：US20150206633A1
公开(公告)日：2015-07-23
申请号：US14422991
申请日：2012-12-11
发明人： Huabing Zhang , Guabao Li , Xijiang Lu , Yongjie Yang , Zhuochao Hu , Kanyi Shen , Jiaqiang Gao , Meihong Wu
IPC分类号： H01F1/147 , C23C8/26 , C23F17/00 , C21D6/00 , C22C38/00 , C22C38/28 , C22C38/06 , C22C38/04 , C22C38/24 , C21D8/12 , C22C38/34
CPC分类号： H01F1/14783 , C21D6/002 , C21D6/005 , C21D6/008 , C21D8/12 , C21D8/1222 , C21D8/1233 , C21D8/1255 , C22C38/001 , C22C38/002 , C22C38/008 , C22C38/04 , C22C38/06 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/34 , C22C38/60 , C23C8/26 , C23F17/00 , H01F1/18
摘要： The invention relates to high magnetic induction oriented silicon steel and a preparation method thereof. The oriented silicon steel comprises the following chemical elements by weight percent: 0.035-0.120% of C, 2.9-4.5% of Si, 0.05-0.20% of Mn, 0.005-0.050% of P, 0.005-0.012% of S, 0.015-0.035% of Als, 0.001-0.010% of N, 0.05-0.30% of Cr, 0.005-0.090% of Sn, not more than 0.0100% of V, not more than 0.0100% of Ti, at least one of trace elements of Sb, Bi, Ni and Mo, and the balance of Fe and other inevitable impurities, wherein Sb+Bi+Nb+Mo is 0.0015-0.0250% and (Sb/121.8+Bi/209.0+Nb/92.9+Mo/95.9)/(Ti/47.9+V/50.9) ranges from 0.1 to 15.
摘要翻译： 本发明涉及高磁感应定向硅钢及其制备方法。 取向硅钢按重量百分比计含有以下化学元素：C：0.035-0.120％，Si：2.9-4.5％，Mn：0.05-0.20％，P：0.005-0.050％，S：0.005-0.012％ 0.035％的Al，0.001-0.010％的N，0.05-0.30％的Cr，0.005-0.090％的Sn，不大于0.0100％的V，不大于0.0100％的Ti，Sb中的至少一种微量元素 ，Bi，Ni和Mo，余量为Fe等不可避免的杂质，其中Sb + Bi + Nb + Mo为0.0015〜0.0250％，（Sb / 121.8 + Bi / 209.0 + Nb / 92.9 + Mo / 95.9）/（ Ti / 47.9 + V / 50.9）为0.1〜15。
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公开(公告)号：US20240360538A1
公开(公告)日：2024-10-31
申请号：US18287864
申请日：2022-04-19
发明人： Sixin Zhao , Jiaqiang Gao , Zongze Huang
IPC分类号： C22C38/26 , C21D1/18 , C21D1/26 , C21D7/13 , C21D9/28 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/24 , C22C38/28
CPC分类号： C22C38/26 , C21D1/18 , C21D1/26 , C21D7/13 , C21D9/28 , C22C38/001 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/24 , C22C38/28
摘要： Disclosed are a steel for a high-temperature carburized gear shaft and a manufacturing method for the steel. The steel for the high-temperature carburized gear shaft comprises the following chemical components in percentage by mass: 0.17-0.22% of C, 0.05-0.35% of Si, 0.80-1.40% of Mn, 0.010-0.035% of S, 0.80-1.40% of Cr, 0.020-0.046% of Al, 0.006-0.020% of N, 0.002-0.030% of Nb, V≤0.02%, and Ti≤0.01%. Also disclosed is a manufacturing method for the steel for the high-temperature carburized gear shaft, comprising the steps of: smelting and casting; heating; forging or rolling; and finishing. By reasonably controlling chemical element compositions of the steel, the steel for the gear shaft in the present invention can maintain proper austenite grain size and stability at high temperature, maintains 5-8 grades of the austenite grain size before and after the high-temperature vacuum carburizing at 940-1050° C., can be effectively applied to high-end parts such as a gearbox for a vehicle or a speed reducer and a differential of a new energy vehicle, and has good application prospects and value.
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公开(公告)号：US20230235435A1
公开(公告)日：2023-07-27
申请号：US17800800
申请日：2021-02-23
发明人： Jiaqiang Gao , Sixin Zhao , Wei Wang , Jun Zhang
IPC分类号： C22C38/60 , C22C38/54 , C22C38/48 , C22C38/46 , C22C38/44 , C22C38/42 , C22C38/06 , C22C38/02 , C22C38/00 , C21D6/00 , C21D9/00 , C21D1/18 , C21D8/02
CPC分类号： C22C38/60 , C21D1/18 , C21D6/004 , C21D6/005 , C21D6/008 , C21D8/0226 , C21D8/0263 , C21D9/0081 , C21D9/0087 , C22C38/001 , C22C38/02 , C22C38/002 , C22C38/06 , C22C38/008 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/54 , C21D2211/001 , C21D2211/002 , C21D2211/008
摘要： A steel for mining chain and a manufacturing method thereof, wherein the steel has compositions by weight percentage: C: 0.20-0.28%, Si: 0.01-0.40%, Mn: 0.50-1.50%, P≤0.015%, S≤0.005%, Cr: 0.30-2.00%, Ni: 0.50-2.00%, Mo: 0.10-0.80%, Cu: 0.01-0.30%, Al: 0.01-0.05%, Nb: 0.001-0.10%, V: 0.001-0.10%, H≤0.00018%, N≤0.0150%, O≤0.0020%, and the balance is Fe and inevitable impurities. The manufacturing method comprises steps of smelting, refining and vacuum treatment, casting, heating, forging or rolling, and quenching and tempering heat treatment processes. The steel in the present invention has high strength and good impact toughness, good elongation and reduction of area. The steel can also resist stress corrosion cracking and have good weather resistance, wear resistance and fatigue resistance, which can be used in scenarios where the steel having high strength and toughness is required, such as construction machinery and marine engineering.
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