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1. 发明授权

US10494706B2 High-toughness low alloy wear-resistant steel sheet and method of manufacturing method thereof the same 有权
公开(公告)号：US10494706B2
公开(公告)日：2019-12-03
申请号：US14762596
申请日：2014-03-19
申请人： BAOSHAN IRON & STEEL CO., LTD.
发明人： Hongbin Li , Liandeng Yao , Yuchuan Miao , Kougen Wu
IPC分类号： C22C38/58 , C21D8/02 , C22C33/04 , C22C38/04 , C22C38/54 , C22C38/00 , C22C38/02 , C22C38/06 , C22C38/08 , C22C38/12 , C22C38/14 , C22C38/18 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/32 , C22C38/38 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C21D1/60 , C21D6/00 , C21D9/46
CPC分类号： C22C38/58 , C21D1/60 , C21D6/002 , C21D6/004 , C21D6/005 , C21D6/008 , C21D8/02 , C21D8/0226 , C21D8/0263 , C21D9/46 , C22C33/04 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/12 , C22C38/14 , C22C38/18 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/32 , C22C38/38 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/54 , C21D2211/008
摘要： A high-toughness low-alloy wear-resistant steel sheet and a method of manufacturing the same, which has the chemical compositions (wt %): C: 0.08-0.20%; Si: 0.10-0.60%; Mn: 1.00-2.00%; B: 0.0005-0.0040%; Cr: less than or equal to 1.50%; Mo: less than or equal to 0.80%; Ni: less than or equal to 1.50%; Nb: less than or equal to 0.080%; V: less than or equal to 0.080%; Ti: less than or equal to 0.060%; Al: 0.010-0.080%, Ca: 0.0010-0.0080%, N: less than or equal to 0.0080%, O: less than or equal to 0.0080%, H: less than or equal to 0.0004%, P: less than or equal to 0.015%, S: less than or equal to 0.010%, and (Cr/5+Mn/6+50B): more than or equal to 0.20% and less than or equal to 0.55%; (Mo/3+Ni/5+2Nb): more than or equal to 0.02% and less than or equal to 0.45%; (Al+Ti): more than or equal to 0.01% and less than or equal to 0.13%, the remainders being Fe and unavoidable impurities. The present invention reduces the contents of carbon and alloy elements, and makes full use of the characteristics of refinement, strengthening, etc. of micro-alloy elements such as Nb, Ti, etc., and through TMCP process, the wear-resistant steel sheet has high strength, high hardness, good toughness, good weldability, excellent wear-resistant performance, and is applicable to wearing parts in various mechanical equipments.

2. 发明授权

US09797033B2 High-strength, high-toughness, wear-resistant steel plate and manufacturing method thereof 有权
公开(公告)号：US09797033B2
公开(公告)日：2017-10-24
申请号：US14418904
申请日：2013-01-31
申请人： Baoshan Iron & Steel Co., Ltd.
发明人： Hongbin Li , Liandeng Yao , Yuchuan Miao
IPC分类号： C22C38/14 , C22C38/32 , C22C38/38 , C21D8/02 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/24 , C22C38/26 , C22C38/28 , C21D6/00 , C21D9/46
CPC分类号： C22C38/38 , C21D6/002 , C21D6/005 , C21D6/008 , C21D8/02 , C21D8/021 , C21D8/0226 , C21D8/0263 , C21D9/46 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/32
摘要： The invention provides a wear-resistant steel plate, which has the following chemical composition (wt. %): C: 0.08-0.21%, Si: 0.15-0.45%, Mn: 1.10-1.80%, P: ≦0.015%, S: ≦0.010%, Nb: 0.010-0.040%, Al: 0.010-0.080%, B: 0.0006-0.0014%, Ti: 0.005-0.050%, Ca: 0.0010-0.0080%, V≦0.080%, Cr≦0.60%, N≦0.0080%, O≦0.0060%, H≦0.0004%, wherein 0.025%≦Nb+Ti≦0.080%, 0.030%≦Al+Ti≦0.12%, and the balance being Fe and unavoidable impurities. The invention also provides a method of manufacturing the wear-resistant steel plate, comprising smelting, casting, rolling, post-rolling direct cooling, inter alia. The wear-resistant steel plate obtained from the above composition and process has perfect weldability, high strength, high hardness, good low-temperature toughness, and excellent machinability, and is suitable for quick-wear devices in engineering and mining machinery, such as bucket, mining vehicle body and scraper transporter, etc.

3. 发明申请

US20160032432A1 HIGH-PERFORMANCE LOW-ALLOY WEAR-RESISTANT STEEL AND METHOD OF MANUFACTURING THE SAME 审中-公开
标题翻译：高性能低合金耐磨钢及其制造方法
公开(公告)号：US20160032432A1
公开(公告)日：2016-02-04
申请号：US14761352
申请日：2014-03-26
申请人： BAOSHAN IRON & STEEL CO., LTD.
发明人： Hongbin Li , Liandeng Yao , Xiaobo Wang
IPC分类号： C22C38/54 , C21D9/46 , C21D1/60 , C21D6/00 , C22C38/50 , C22C38/48 , C22C38/46 , C22C38/44 , C22C38/32 , C22C38/28 , C22C38/26 , C22C38/22 , C22C38/14 , C22C38/12 , C22C38/08 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/00 , C21D8/02
摘要： A high-performance low-alloy wear-resistant steel sheet and a method of manufacturing the same, which has the chemical compositions (wt %): C: 0.21-0.32%; Si: 0.10-0.50%; Mn: 0.60-1.60%; B: 0.0005-0.0040%; Cr: less than or equal to 1.50%; Mo: less than or equal to 0.80%; Ni: less than or equal to 1.50%; Nb: less than or equal to 0.080%; V: less than or equal to 0.080%; Ti: less than or equal to 0.060%; Al: 0.010-0.080%, Ca: 0.0010-0.0080%, N: less than or equal to 0.0080%, O: less than or equal to 0.0080%, H: less than or equal to 0.0004%, P: less than or equal to 0.015%, S: less than or equal to 0.010%, and (Cr/5+Mn/6+50B): more than or equal to 0.20% and less than or equal to 0.55%; (Mo/3+Ni/5+2Nb): more than or equal to 0.02% and less than or equal to 0.45%; (Al+Ti): more than or equal to 0.01% and less than or equal to 0.13%, the remainders being Fe and unavoidable impurities. The wear-resistant steel sheet of the present invention obtained by the above-mentioned compositions and TMCP process, has high strength, high hardness, good toughness, excellent wear-resistant performance, and is applicable to wearing parts in various mechanical equipments.
摘要翻译：具有化学组成（重量％）：C：0.21-0.32％的高性能低合金耐磨钢板及其制造方法。 Si：0.10-0.50％; Mn：0.60-1.60％ B：0.0005-0.0040％; Cr：小于或等于1.50％; Mo：小于或等于0.80％; Ni：小于或等于1.50％; Nb：小于等于0.080％; V：小于或等于0.080％; Ti：小于或等于0.060％; Al：0.010-0.080％，Ca：0.0010-0.0080％，N：小于等于0.0080％，O：小于等于0.0080％，H：小于或等于0.0004％，P：小于或等于至0.015％，S：小于或等于0.010％，（Cr / 5 + Mn / 6 + 50B）：大于等于0.20％且小于等于0.55％（Mo / 3 + Ni / 5 + 2Nb）：大于等于0.02％且小于等于0.45％; （Al + Ti）：大于或等于0.01％且小于或等于0.13％，余量为Fe和不可避免的杂质。通过上述组合物和TMCP方法得到的本发明的耐磨钢板具有高强度，高硬度，良好的韧性，优异的耐磨性能，适用于各种机械设备中的易损件。

4. 发明申请

US20150191806A1 ULTRAHIGH-STRENGTH, HIGH-TOUGHNESS, WEAR-RESISTANT STEEL PLATE AND MANUFACTURING METHOD THEREOF 有权
标题翻译：超强度，高韧性，耐磨钢板及其制造方法
公开(公告)号：US20150191806A1
公开(公告)日：2015-07-09
申请号：US14418417
申请日：2013-01-31
申请人： Baoshan Iron & Steel Co., Ltd.
发明人： Hongbin Li , Liandeng Yao , Yuchuan Miao
IPC分类号： C22C38/32 , C21D9/46 , C21D1/60 , C21D6/00 , C22C38/28 , C22C38/26 , C22C38/24 , C22C38/22 , C22C38/14 , C22C38/12 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/00 , C21D8/02
CPC分类号： C22C38/32 , C21D1/60 , C21D6/002 , C21D6/005 , C21D6/008 , C21D8/02 , C21D8/0205 , C21D8/0226 , C21D8/0263 , C21D9/46 , C21D2211/008 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28
摘要： The invention provides a wear-resistant steel plate, which has the following chemical composition (wt. %): C: 0.22-0.35%, Si: 0.10-0.40%, Mn: 0.60-1.35%, P: ≦0.015%, S: ≦0.010%, Nb: 0.010-0.040%, Al: 0.010-0.080%, B: 0.0006-0.0014%, Ti: 0.005-0.050%, Ca: 0.0010-0.0080%, V≦0.080%, Cr≦0.60%, W≦1.00 wt. %, N≦0.0080%, O≦0.0060%, H≦0.0004%, wherein 0.025%≦Nb+Ti≦0.080%, 0.030%≦Al+Ti≦0.12%, and the balance of Fe and unavoidable impurities. The method of manufacturing the wear-resistant steel plate comprises the steps of smelting, casting, rolling, post-rolling direct cooling and the like. The wear-resistant steel plate obtained from the above composition and process has high strength, high hardness, good low-temperature toughness, and excellent machinability, and is suitable for quick-wear devices in engineering and mining machinery, such as bucket and scraper transporter, etc.
摘要翻译：本发明提供具有以下化学组成（重量％）的耐磨钢板：C：0.22-0.35％，Si：0.10-0.40％，Mn：0.60-1.35％，P：nlE; 0.015％ S：＆nlE; 0.010％，Nb：0.010-0.040％，Al：0.010-0.080％，B：0.0006-0.0014％，Ti：0.005-0.050％，Ca：0.0010-0.0080％，V＆lt; lE; 0.080％，Cr＆％，W＆nlE; 1.00wt。其中，0.025％＆nlE; Nb + Ti＆nlE; 0.080％，0.030％＆lt; A1; Al + Ti＆NlE; 0.12％，余量为Fe和不可避免的杂质。制造耐磨钢板的方法包括熔炼，铸造，轧制，后轧直接冷却等步骤。由上述组成和方法得到的耐磨钢板具有强度高，硬度高，低温韧性好，机械加工性能好，适用于工程，矿山机械，如铲斗和刮板运输机中的快速磨损装置等等

5. 发明授权

US10851435B2 Dual-hardness clad steel plate and production method thereof 有权
公开(公告)号：US10851435B2
公开(公告)日：2020-12-01
申请号：US16061189
申请日：2016-12-14
申请人： BAOSHAN IRON & STEEL CO., LTD.
发明人： Xiaoting Zhao , Bao Yan , Liandeng Yao , Sihai Jiao , Hongbin Li
IPC分类号： C21D9/50 , B32B15/00 , C21D9/48 , C21D9/46 , C21D8/04 , C21D8/02 , C21D1/18 , C21D9/42 , B21B1/38 , B32B15/01 , C21D6/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/50 , C22C38/54 , F41H5/04
摘要： A dual-hardness clad steel plate. One surface of the steel plate is a high-hardness layer, the other surface of the steel plate is a low-hardness layer, and a combination of atoms is achieved between the high-hardness layer and the low-hardness layer by rolling bonding, wherein Mn13 steel is adopted for the low-hardness layer, and the Brinell hardness of the high-hardness layer is greater than 600. Further disclosed is a production method of the dual-hardness clad steel plate, comprising: 1) respectively preparing a high-hardness layer slab and a low-hardness layer slab; 2) assembling: preprocessing combined faces of the slabs, carrying out peripheral welded sealing on joint faces of the slabs, and carrying out vacuumizing treatment on a composite slab after welded sealing; 3) heating; 4) carrying out composite rolling; 5) cooling; and 6) carrying out thermal treatment, wherein the heating temperature is 1050-1100° C., the heating time is 2-3 min/mm×slab thickness, and water cooling is performed on the heated slab, and the water temperature is lower than 40° C. The steel plate has different hardness characteristics and good low-temperature toughness.

6. 发明授权

US10208369B2 High-hardness low-alloy wear-resistant steel sheet and method of manufacturing the same 有权
公开(公告)号：US10208369B2
公开(公告)日：2019-02-19
申请号：US14649684
申请日：2014-03-19
申请人： BAOSHAN IRON & STEEL CO., LTD.
发明人： Hongbin Li , Liandeng Yao , Guobin Song
IPC分类号： C22C38/54 , C22C38/14 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/10 , C22C38/12 , C22C38/18 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/32 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C21D8/02 , C21D6/00 , C21D9/46 , C22C38/08 , C21D1/25
摘要： A high-hardness low-alloy wear-resistant steel sheet and a method of manufacturing the same, which has the chemical compositions (wt %): C: 0.33-0.45%; Si: 0.10-0.50%; Mn: 0.50-1.50%; B: 0.0005-0.0040%; Cr: less than or equal to 1.50%; Mo: less than or equal to 0.80%; Ni: less than or equal to 2.00%; Nb: less than or equal to 0.080%; V: less than or equal to 0.080%; Ti: less than or equal to 0.060%; RE: less than or equal to 0.10%; W: less than or equal to 1.00%; Al: 0.010-0.080%, Ca: 0.0010-0.0080%, N: less than or equal to 0.0080%, O: less than or equal to 0.0080%, H: less than or equal to 0.0004%, P: less than or equal to 0.015%, S: less than or equal to 0.010%, and (Cr/5+Mn/6+50B): more than or equal to 0.20% and less than or equal to 0.50%; (Mo/3+Ni/5+2Nb): more than or equal to 0.02% and less than or equal to 0.50%; (Al+Ti): more than or equal to 0.01% and less than or equal to 0.13%, the remainders being Fe and unavoidable impurities. The steel sheet obtained from the above-mentioned chemical compositions and processes, has high hardness, excellent wear-resistant performance, and is applicable to a variety of parts in mechanical equipments extremely vulnerable to wearing.

7. 发明授权

US09816165B2 Ultrahigh-strength, high-toughness, wear-resistant steel plate and manufacturing method thereof 有权
公开(公告)号：US09816165B2
公开(公告)日：2017-11-14
申请号：US14418417
申请日：2013-01-31
申请人： Baoshan Iron & Steel Co., Ltd.
发明人： Hongbin Li , Liandeng Yao , Yuchuan Miao
IPC分类号： C22C38/14 , C22C38/32 , C21D8/02 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C21D1/60 , C21D6/00 , C21D9/46
CPC分类号： C22C38/32 , C21D1/60 , C21D6/002 , C21D6/005 , C21D6/008 , C21D8/02 , C21D8/0205 , C21D8/0226 , C21D8/0263 , C21D9/46 , C21D2211/008 , C22C38/00 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28
摘要： The invention provides a wear-resistant steel plate, which has the following chemical composition (wt. %): C: 0.22-0.35%, Si: 0.10-0.40%, Mn: 0.60-1.35%, P: ≦0.015%, S: ≦0.010%, Nb: 0.010-0.040%, Al: 0.010-0.080%, B: 0.0006-0.0014%, Ti: 0.005-0.050%, Ca: 0.0010-0.0080%, V≦0.080%, Cr≦0.60%, W≦1.00 wt. %, N≦0.0080%, O≦0.0060%, H≦0.0004%, wherein 0.025%≦Nb+Ti≦0.080%, 0.030%≦Al+Ti≦0.12%, and the balance of Fe and unavoidable impurities. The method of manufacturing the wear-resistant steel plate comprises the steps of smelting, casting, rolling, post-rolling direct cooling and the like. The wear-resistant steel plate obtained from the above composition and process has high strength, high hardness, good low-temperature toughness, and excellent machinability, and is suitable for quick-wear devices in engineering and mining machinery, such as bucket and scraper transporter, etc.

8. 发明申请

US20160010191A1 HIGH-HARDNESS LOW-ALLOY WEAR-RESISTANT STEEL SHEET AND METHOD OF MANUFACTURING THE SAME 审中-公开
标题翻译：高硬度低合金耐磨钢板及其制造方法
公开(公告)号：US20160010191A1
公开(公告)日：2016-01-14
申请号：US14649684
申请日：2014-03-19
申请人： BAOSHAN IRON & STEEL CO., LTD.
发明人： Hongbin Li , Liandeng Yao , Guobin Song
IPC分类号： C22C38/54 , C21D8/02 , C21D6/00 , C22C38/50 , C22C38/48 , C22C38/46 , C22C38/44 , C22C38/32 , C22C38/28 , C22C38/26 , C22C38/24 , C22C38/22 , C22C38/14 , C22C38/12 , C22C38/08 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/00 , C21D9/46
CPC分类号： C22C38/54 , C21D1/25 , C21D6/001 , C21D6/002 , C21D6/004 , C21D6/005 , C21D6/008 , C21D8/021 , C21D8/0226 , C21D8/0263 , C21D9/46 , C21D2211/001 , C21D2211/008 , C22C38/001 , C22C38/002 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/10 , C22C38/12 , C22C38/14 , C22C38/18 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/32 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50
摘要： A high-hardness low-alloy wear-resistant steel sheet and a method of manufacturing the same, which has the chemical compositions (wt %): C: 0.33-0.45%; Si: 0.10-0.50%; Mn: 0.50-1.50%; B: 0.0005-0.0040%; Cr: less than or equal to 1.50%; Mo: less than or equal to 0.80%; Ni: less than or equal to 2.00%; Nb: less than or equal to 0.080%; V: less than or equal to 0.080%; Ti: less than or equal to 0.060%; RE: less than or equal to 0.10%; W: less than or equal to 1.00%; Al: 0.010-0.080%, Ca: 0.0010-0.0080%, N: less than or equal to 0.0080%, O: less than or equal to 0.0080%, H: less than or equal to 0.0004%, P: less than or equal to 0.015%, S: less than or equal to 0.010%, and (Cr15+Mn/6+50B): more than or equal to 0. 20% and less than or equal to 0.50%; (Mo/3+Ni/5+2Nb): more than or equal to 0.02% and less than or equal to 0.50%; (Al+Ti): more than or equal to 0.01% and less than or equal to 0.13%, the remainders being Fe and unavoidable impurities. The steel sheet obtained from the above-mentioned chemical compositions and processes, has high hardness, excellent wear-resistant performance, and is applicable to a variety of parts in mechanical equipments extremely vulnerable to wearing.
摘要翻译：具有化学组成（重量％）：C：0.33-0.45％的高硬度低合金耐磨钢板及其制造方法。 Si：0.10-0.50％; Mn：0.50-1.50％ B：0.0005-0.0040％; Cr：小于或等于1.50％; Mo：小于或等于0.80％; Ni：小于或等于2.00％; Nb：小于等于0.080％; V：小于或等于0.080％; Ti：小于或等于0.060％; RE：小于或等于0.10％; W：小于或等于1.00％; Al：0.010-0.080％，Ca：0.0010-0.0080％，N：小于等于0.0080％，O：小于等于0.0080％，H：小于或等于0.0004％，P：小于或等于至0.015％，S：小于等于0.010％，（Cr15 + Mn / 6 + 50B）：大于等于0.20％且小于等于0.50％（Mo / 3 + Ni / 5 + 2Nb）：大于等于0.02％且小于等于0.50％; （Al + Ti）：大于或等于0.01％且小于或等于0.13％，余量为Fe和不可避免的杂质。由上述化学成分和工艺得到的钢板具有高硬度，优异的耐磨性能，适用于极易磨损的机械设备中的各种零件。

9. 发明授权

US10745785B2 High-performance low-alloy wear-resistant steel plate and method of manufacturing the same 有权
公开(公告)号：US10745785B2
公开(公告)日：2020-08-18
申请号：US14761352
申请日：2014-03-26
申请人： BAOSHAN IRON & STEEL CO., LTD.
发明人： Hongbin Li , Liandeng Yao , Xiaobo Wang
IPC分类号： C22C38/54 , C21D1/60 , C21D9/46 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/12 , C22C38/14 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/32 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/00 , C21D6/00 , C21D8/02
摘要： A high-performance low-alloy wear-resistant steel sheet and a method of manufacturing the same, which has the chemical compositions (wt %): C: 0.21-0.32%; Si: 0.10-0.50%; Mn: 0.60-1.60%; B: 0.0005-0.0040%; Cr: less than or equal to 1.50%; Mo: less than or equal to 0.80%; Ni: less than or equal to 1.50%; Nb: less than or equal to 0.080%; V: less than or equal to 0.080%; Ti: less than or equal to 0.060%; Al: 0.010-0.080%, Ca: 0.0010-0.0080%, N: less than or equal to 0.0080%, O: less than or equal to 0.0080%, H: less than or equal to 0.0004%, P: less than or equal to 0.015%, S: less than or equal to 0.010%, and (Cr/5+Mn/6+50B): more than or equal to 0.20% and less than or equal to 0.55%; (Mo/3+Ni/5+2Nb): more than or equal to 0.02% and less than or equal to 0.45%; (Al+Ti): more than or equal to 0.01% and less than or equal to 0.13%, the remainders being Fe and unavoidable impurities. The wear-resistant steel sheet of the present invention obtained by the above-mentioned compositions and TMCP process, has high strength, high hardness, good toughness, excellent wear-resistant performance, and is applicable to wearing parts in various mechanical equipments.

10. 发明授权

US09994926B2 High-hardness, high-toughness, wear-resistant steel plate and manufacturing method thereof 有权
公开(公告)号：US09994926B2
公开(公告)日：2018-06-12
申请号：US14418423
申请日：2013-01-31
申请人： Baoshan Iron & Steel Co., Ltd.
发明人： Hongbin Li , Liandeng Yao , Yuchuan Miao
IPC分类号： C21D6/00 , C21D8/02 , C22C38/00 , C21D9/46 , C22C38/14 , C22C38/32 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/24 , C22C38/26 , C22C38/28
CPC分类号： C21D8/0205 , C21D6/002 , C21D6/005 , C21D6/008 , C21D8/02 , C21D8/0226 , C21D8/0263 , C21D9/46 , C21D2211/008 , C22C38/001 , C22C38/002 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/32
摘要： The invention provides a wear-resistant steel plate, which has the following chemical composition (wt. %): C: 0.36-0.45%, Si: 0.10-0.30%, Mn: 0.40-1.00%, P≤0.015%, S≤0.010%, Nb: 0.010-0.040%, Al: 0.010-0.080%, B: 0.0010-0.0020%, Ti: 0.005-0.050%, Ca: 0.0010-0.0080%, V≤0.080%, Cr≤1.00%, RE≤0.10%, N≤0.0080%, O≤0.0060%, H≤0.0004%, wherein the total amount of Nb and Ti is between 0.025% and 0.080%, the total amount of Al and Ti is between 0.030% and 0.12%, and the balance being Fe and unavoidable impurities. The invention also provides a method of manufacturing the wear-resistant steel plate, comprising smelting, casting, rolling, post-rolling direct cooling and other steps. The wear-resistant steel plate obtained from the above composition and process has high hardness and excellent wear resistance, and is suitable for quick-wear devices in engineering machinery, such as crusher baffle, etc.

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