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公开(公告)号：EP4446453A1
公开(公告)日：2024-10-16
申请号：EP22904727.9
申请日：2022-12-12
发明人： SHIN, Nu Ri , SEO, Yong Ki , SON, Ji Hee , JUNG, Sang Bae
摘要： The present disclosure provides a material for hot stamping including: a steel sheet including carbon (C) in an amount of 0.19 to 0.25 wt%, silicon (Si) in an amount of 0.1 to 0.6 wt%, manganese (Mn) in an amount of 0.8 to 1.6 wt%, phosphorus (P) in an amount of 0.03 wt% or less, sulfur (S) in an amount of 0.015 wt% or less, chromium (Cr) in an amount of 0.1 to 0.6 wt%, boron (B) in an amount of 0.001 to 0.005 wt%, an additive in an amount of 0.1 wt% or less, a remainder of iron (Fe), and other inevitable impurities; fine precipitates distributed inside the steel sheet, wherein the additive includes at least one of titanium (Ti), niobium (Nb), and vanadium (V), the fine precipitates include nitride or carbide of at least one of titanium (Ti), niobium (Nb), and vanadium (V), the fine precipitates trap hydrogen, and a mean diameter variation coefficient, which is a value obtained by dividing a standard deviation of a mean diameter of the fine precipitates by the mean diameter of the fine precipitates, is 0.8 or less.
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公开(公告)号：EP3901321B1
公开(公告)日：2024-10-02
申请号：EP21174102.0
申请日：2017-11-23
IPC分类号： C23C2/40 , C23C2/12 , C23C2/26 , C23C2/02 , C22C38/58 , C22C38/54 , C22C38/50 , C22C38/48 , C22C38/44 , C22C38/06 , B32B15/01 , B21D22/02 , C23C2/06 , C22C18/00 , C21D8/02 , C22C38/04 , C22C38/02 , C22C21/02 , C22C21/10 , C22C18/04
CPC分类号： B21D22/022 , B32B15/012 , B32B15/013 , C21D8/0226 , C23C2/06 , C23C2/12 , C23C2/26 , C23C2/40 , C22C18/04 , C22C21/02 , C22C21/10 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/44 , C22C38/48 , C22C38/50 , C22C38/54 , C22C38/58 , C21D2211/00120130101 , C21D2211/00520130101 , C21D2211/00920130101 , C22C18/00 , C21D8/0263 , C21D8/0278 , B23K2103/0420180801 , C21D1/673 , C21D8/005 , C21D9/0068 , C23C2/024 , C23C2/28 , C23C2/0224 , C23C2/02
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公开(公告)号：EP3741499B1
公开(公告)日：2024-10-02
申请号：EP20171932.5
申请日：2020-04-28
IPC分类号： B23P15/04 , F01D5/14 , B22F3/24 , B22F7/06 , C22C1/04 , F01D5/28 , F04D29/54 , F04D29/58 , B21D22/02 , B21D37/16 , B21D53/78 , B21D26/053 , B22F10/20 , F04D29/32 , B22F5/04
CPC分类号： B23P15/04 , F01D5/147 , B21D22/022 , B21D37/16 , B21D53/78 , B21D26/053 , F05D2230/23320130101 , F05D2230/23420130101 , F05D2230/4020130101 , F05D2230/23720130101 , F05D2230/23620130101 , F05D2230/2020130101 , F05D2220/3620130101 , F05D2230/2520130101 , F05D2230/6020130101 , F05D2230/2220130101 , F05D2230/3120130101 , B22F5/04 , F04D29/324 , F05D2260/2214120130101 , F01D5/284 , F05D2300/2020130101 , F04D29/544 , F04D29/582 , B22F2007/06820130101 , C22C1/0416 , C22C1/0458 , B22F2003/24720130101 , B33Y80/00 , B22F10/20 , Y02P10/25
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公开(公告)号：EP4424863A1
公开(公告)日：2024-09-04
申请号：EP22817056.9
申请日：2022-01-26
摘要： The present invention provides a hot stamping component which includes a base steel sheet including carbon (C) in an amount of 0.28 wt% to 0.50 wt%, silicon (Si) in an amount of 0.15 wt% to 0.7 wt%, manganese (Mn) in an amount of 0.5 wt% to 2.0 wt%, phosphorus (P) in an amount of 0.03 wt% or less, sulfur (S) in an amount of 0.01 wt% or less, chromium (Cr) in an amount of 0.1 wt% to 0.6 wt%, boron (B) in an amount of 0.001 wt% to 0.005 wt%, at least one of titanium (Ti), niobium (Nb), and molybdenum (Mo), and a balance of iron (Fe) and other unavoidable impurities, wherein a content of titanium (Ti), niobium (Nb) and molybdenum (Mo) satisfies the following equation. 0.015≤0.33Ti+Nb+0.33Mo≤0.050
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公开(公告)号：EP4424852A1
公开(公告)日：2024-09-04
申请号：EP22817504.8
申请日：2022-01-27
发明人： KIM, Hye Jin , LEE, Jin Ho , KONG, Je Youl , YOON, Seung Chae , JUNG, Seung Pill , JUNG, Hyun Yeong , HWANG, Kyu Yeon
摘要： The present invention provides a hot stamping component having a tensile strength of 1350 Mpa or greater, including a microstructure including prior austenite grains (PAG), wherein an average particle diameter of the PAGs is 35 µm or less.
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7.发明授权
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8.发明授权
公开(公告)号：EP4186611B1
公开(公告)日：2024-05-29
申请号：EP22215560.8
申请日：2019-04-09
IPC分类号： B21D22/02 , B21D53/88 , B32B15/01 , C21D1/25 , C21D1/613 , C21D1/673 , C21D1/74 , C21D1/76 , C21D8/04 , C23C2/12 , C23C2/26 , C23C2/28 , C23C28/02 , C23C28/04 , C23C8/02 , C23C8/10 , C23C8/12 , C23C8/14 , B21D22/20 , B21D35/00 , C23C28/00 , C21D9/48 , C22C38/02 , C22C38/04 , C21D9/00 , C22C38/00 , C22C38/14
CPC分类号： C22C38/00 , C22C38/14 , C21D8/005 , C21D1/673 , B32B15/012 , B32B15/013 , C21D8/0436 , C21D8/0473 , C21D9/48 , C21D9/0068 , C21D1/25 , C21D1/74 , C21D1/613 , C21D1/76 , B21D22/022 , B21D22/208 , B21D53/88 , C23C28/04 , C23C28/321 , C23C28/345 , C23C2/12 , C23C2/28 , C23C2/26 , C23C8/02 , C23C8/10 , C23C8/12 , C23C8/14 , C22C38/02 , C22C38/04 , C23C28/021 , C23C28/023 , C23C28/322 , B21D35/007 , B21D22/201 , C23C2/29
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公开(公告)号：EP4289524A1
公开(公告)日：2023-12-13
申请号：EP23173852.7
申请日：2023-05-17
摘要： Es wird eine Greifeinrichtung (10) zum Greifen wenigstens eines Blechs (42) , das eine Dicke (44) unterhalb von 1 mm, vorzugsweise 0,5 mm, 0,25 mm oder 0,1 mm, und wenigstens zwei Bohrungen (46) aufweist, in einer Werkzeugvorrichtung (50) zur getakteten Herstellung einer Bipolarplatte (40) aus dem Blech (42) entlang einer Herstellungsrichtung (X), vorgeschlagen, wobei wenigstens zwei quer zur Herstellungsrichtung (X) gegenüberliegende Eingriffspins (14) vorgesehen sind, wobei die Eingriffspins (14) zum formschlüssigen Eingreifen entlang jeweils einer insbesondere, zumindest näherungsweise, normal zum Blech (42) verlaufenden Eingriffsachse (E) bzw. Bewegungsbahn eines Eingriffspins (14) in das Blech (42) an den wenigstens zwei Bohrungen (46) vorgesehen sind, und wobei wenigstens einer der Eingriffspins (14) einen zur Eingriffsachse (E) konisch verlaufenden Außenflächenabschnitt (18) zur Zentrierung des Blechs (42) beim Eingreifen aufweist.
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10.发明授权
公开(公告)号：EP3632586B1
公开(公告)日：2023-10-18
申请号：EP18810215.6
申请日：2018-05-31
发明人： KIM, Seong-Woo , OH, Jin-Keun , CHO, A-Ra , SHIN, Hyeon-Jeong
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