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公开(公告)号：US20170121789A1
公开(公告)日：2017-05-04
申请号：US15409348
申请日：2017-01-18
申请人： ArcelorMittal , Ugitech
发明人： Jerome Peultier , Amelie Fanica , Nicolas Renaudot , Christophe Bourgin , Eric Chauveau , Marc Mantel
IPC分类号： C21D9/52 , C21D1/613 , C21D1/60 , C21D9/46 , C21D8/02 , C21D8/06 , C22C38/60 , C22C38/58 , C22C38/54 , C22C38/52 , C22C38/50 , C22C38/48 , C22C38/46 , C22C38/44 , C22C38/42 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/00 , B21B3/02 , B21C1/00 , B21J1/02 , B22D11/00
CPC分类号： C21D9/525 , B21B1/00 , B21B3/02 , B21C1/003 , B21J1/02 , B22D11/002 , C21D1/60 , C21D1/613 , C21D6/004 , C21D8/0226 , C21D8/0263 , C21D8/065 , C21D9/46 , C21D2211/001 , C21D2211/005 , C22C38/001 , C22C38/002 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/52 , C22C38/54 , C22C38/58 , C22C38/60
摘要： A method for manufacturing a plate, a band, or a coil of hot-rolled steel is provided. The method includes providing an ingot or a slab of steel with a desired composition and a microstructure composed of austenite and 35 to 65% ferrite by volume and hot rolling the ingot or slab at a temperature between 1150 and 1280° C. to obtain a plate, a band or a coil. A method for manufacturing a hot-rolled bar or wire of steel, a steel profile and a forged steel piece are also provided.
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公开(公告)号：US09797025B2
公开(公告)日：2017-10-24
申请号：US15409348
申请日：2017-01-18
申请人： ArcelorMittal , Ugitech
发明人： Jerome Peultier , Amelie Fanica , Nicolas Renaudot , Christophe Bourgin , Eric Chauveau , Marc Mantel
IPC分类号： C21D8/00 , C21D9/52 , B22D11/00 , C21D1/613 , C21D1/60 , C21D9/46 , C21D8/02 , C21D8/06 , C22C38/60 , C22C38/58 , C22C38/54 , C22C38/52 , C22C38/50 , C22C38/48 , C22C38/46 , C22C38/44 , C22C38/42 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/00 , B21B3/02 , B21C1/00 , B21J1/02
CPC分类号： C21D9/525 , B21B1/00 , B21B3/02 , B21C1/003 , B21J1/02 , B22D11/002 , C21D1/60 , C21D1/613 , C21D6/004 , C21D8/0226 , C21D8/0263 , C21D8/065 , C21D9/46 , C21D2211/001 , C21D2211/005 , C22C38/001 , C22C38/002 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/52 , C22C38/54 , C22C38/58 , C22C38/60
摘要： A method for manufacturing a plate, a band, or a coil of hot-rolled steel is provided. The method includes providing an ingot or a slab of steel with a desired composition and a microstructure composed of austenite and 35 to 65% ferrite by volume and hot rolling the ingot or slab at a temperature between 1150 and 1280° C. to obtain a plate, a band or a coil. A method for manufacturing a hot-rolled bar or wire of steel, a steel profile and a forged steel piece are also provided.
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3.发明申请公开(公告)号：US20190226068A1
公开(公告)日：2019-07-25
申请号：US16371563
申请日：2019-04-01
申请人： INDUSTEEL CREUSOT , UGITECH
IPC分类号： C22C38/60 , C22C38/00 , C22C38/48 , C21D8/02 , C22C38/50 , C22C38/52 , C22C38/54 , C22C38/56 , B21B1/26 , C21D6/00 , C21D9/00 , C21D9/46 , C21D9/52 , C22C38/06 , C22C38/46 , C22C38/44 , C22C38/42 , C22C38/04 , C22C38/02
摘要： The invention relates to a duplex stainless steel composition, the composition of which consists of, in % by weight: C≤0.05% 21%≤Cr≤25% 1%≤Ni≤2.95% 0.16%≤N≤0.28% Mn≤2.0% Mo+W/2≤0.50% Mo≤0.45% W≤0.15% Si≤1.4% Al≤0.05% 0.11%≤Cu≤0.50% S≤0.010% P≤0.040% Co≤0.5% REM≤0.1% V≤0.5% Ti≤0.1% Nb≤0.3% Mg≤0.1% the balance being iron and impurities resulting from the smelting, and the microstructure consisting of austenite and 35 to 65% ferrite by volume, the composition furthermore satisfying the following relationships: 40≤IF≤70 where IF=6×(% Cr+1.32×% Mo+1.27×% Si)−10×(% Ni+24×% C+16.15×% N+0.5×% Cu+0.4×% Mn)−6.17 and ILCR≥30.5 where ILCR=% Cr+3.3×% Mo+16×% N+2.6×% Ni−0.7×% Mn, and also to a process for manufacturing plate, strip, coil, bar, rod, wire, sections, forgings and castings made of this steel.
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公开(公告)号：US20150167135A1
公开(公告)日：2015-06-18
申请号：US14622402
申请日：2015-02-13
申请人： INDUSTEEL CREUSOT , UGITECH
IPC分类号： C22C38/60 , C21D6/00 , C21D9/46 , C21D9/52 , C21D9/00 , C22C38/56 , C22C38/54 , C22C38/52 , C22C38/50 , C22C38/48 , C22C38/46 , C22C38/44 , C22C38/42 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/00 , B21B1/26 , C21D8/02
CPC分类号： C22C38/60 , B21B1/26 , C21D6/002 , C21D6/004 , C21D6/005 , C21D6/007 , C21D6/008 , C21D8/021 , C21D8/0226 , C21D8/0263 , C21D9/0081 , C21D9/46 , C21D9/52 , C21D9/525 , C21D2211/005 , C22C38/001 , C22C38/002 , C22C38/004 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/52 , C22C38/54 , C22C38/56
摘要： The invention relates to a duplex stainless steel composition, the composition of which consists of, in % by weight: C≦0.05% 21%≦Cr≦25% 1%≦Ni≦2.95% 0.16%≦N≦0.28% Mn≦2.0% Mo+W/2≦0.50% Mo≦0.45% W≦0.15% Si≦1.4% Al≦0.05% 0.11%≦Cu≦0.50% S≦0.010% P≦0.040% Co≦0.5% REM≦0.1% V≦0.5% Ti≦0.1% Nb≦0.3% Mg≦0.1% the balance being iron and impurities resulting from the smelting, and the microstructure consisting of austenite and 35 to 65% ferrite by volume, the composition furthermore satisfying the following relationships: 40≦IF≦70 where IF=6×(% Cr+1.32×% Mo+1.27×% Si)−10×(% Ni+24×% C+16.15×% N+0.5×% Cu+0.4×% Mn)−6.17 and ILCR≧30.5 where ILCR=% Cr+3.3×% Mo+16×% N+2.6×% Ni−0.7×% Mn, and also to a process for manufacturing plate, strip, coil, bar, rod, wire, sections, forgings and castings made of this steel.
摘要翻译： 本发明涉及一种双组份不锈钢组合物，其组成由以重量％计：C＆lt; EL; 0.05％21％＆lt; EL; Cr＆NlE; 25％1％＆NlE; Ni＆NlE; 2.95％0.16％＆NlE; N＆lt; Mn和nlE; 2.0％Mo + W /2≤n1E; 0.50％Mo和NlE; 0.45％W＆lt; llE; 0.15％Si＆NlE; 1.4％Al＆NlE; 0.05％0.11％＆lt; Cu＆nlE; 0.50％S＆NlE; 0.010％P＆NlE; 0.040％Co＆NlE; 0.5％REM＆ 0.1％V＆NlE; 0.5％Ti＆NlE; 0.1％Nb＆NlE; 0.3％Mg＆NlE; 0.1％余量为铁和冶炼产生的杂质，以及由奥氏体和体积含量为35至65％的铁素体组成的组织，其组成还满足以下 关系：40＆nlE; IF＆nlE; 70其中IF = 6×（％Cr + 1.32×％Mo + 1.27×％Si）-10×（％Ni + 24×％C + 16.15×％N + 0.5×％Cu + 0.4× ％Mn）-6.17和ILCR≥30.5其中ILCR =％Cr + 3.3×％Mo + 16×％N + 2.6×％Ni-0.7×％Mn，以及制造板，带，线圈，棒， 棒，线，截面，锻件和铸钢件。
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