公开(公告)号：EP2855718A1

公开(公告)日：2015-04-08

申请号：EP13726805.8

申请日：2013-06-05

申请人： ThyssenKrupp Steel Europe AG

发明人： BOCHAROVA, Ekatherina ,  EBEST, Sigrun ,  MATTISSEN,Dorothea ,  SEBALD, Roland

IPC分类号： C21D6/02 ,  C21D8/02 ,  C21D8/04 ,  C23C2/06 ,  C21D9/46 ,  C22C38/00 ,  C22C38/04 ,  C22C38/06 ,  C22C38/26 ,  C22C38/38

CPC分类号： C22C38/58 ,  C21D6/002 ,  C21D6/004 ,  C21D6/005 ,  C21D6/008 ,  C21D6/02 ,  C21D8/0205 ,  C21D8/0226 ,  C21D8/0236 ,  C21D8/0247 ,  C21D8/0263 ,  C21D8/0405 ,  C21D8/0426 ,  C21D8/0436 ,  C21D8/0447 ,  C21D9/46 ,  C21D9/52 ,  C21D2211/001 ,  C21D2211/005 ,  C21D2211/008 ,  C22C38/00 ,  C22C38/001 ,  C22C38/002 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/22 ,  C22C38/28 ,  C22C38/32 ,  C22C38/42 ,  C22C38/44 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54 ,  C23C2/02 ,  C23C2/06 ,  C23C2/40 ,  C23F17/00 ,  C25D7/0614

摘要： The invention relates to a steel and a sheet steel product produced therefrom, which have optimized mechanical properties and can be produced inexpensively without recourse having to be made to expensive alloying elements which are subject to great fluctuations in respect of their procurement costs. The steel and the sheet steel product have, according to the invention, the following composition (in % by weight): C: 0.11 - 0.16%; Si: 0.1 - 0.3%; Mn: 1.4 - 1.9%; A1: 0.02 - 0.1%; Cr: 0.45 - 0.85%; Ti: 0.025 - 0.06 %; B: 0.0008 - 0.002%; the balance being made up of Fe and production-related unavoidable impurities including amounts of phosphorus, sulphur, nitrogen or molybdenum with the proviso that the respective amounts are P:

摘要翻译： 本发明涉及一种由其生产的钢和钢板产品，其具有优化的机械性能并且可以低成本地生产，而不必追求昂贵的合金元素，这些合金元素在其采购成本方面经受很大的波动。 根据本发明，钢和钢板产品具有以下组成（以重量％计）：C：0.11-0.16％; Si：0.1-0.3％; Mn：1.4-1.9％; A1：0.02-0.1％; Cr：0.45-0.85％; Ti：0.025-0.06％; B：0.0008-0.002％; 余量由铁和与生产有关的不可避免的杂质组成，包括磷，硫，氮或钼的量，条件是各自的量为P：<0.02％，S：<0.003％，N：<0.008％，Mo ：<0.1％。 本发明同样涉及生产由根据本发明的钢构成的钢板产品的方法。

公开(公告)号：EP2855717A1

公开(公告)日：2015-04-08

申请号：EP13726583.1

申请日：2013-06-05

申请人： ThyssenKrupp Steel Europe AG

发明人： BONGARDS, Andreas ,  EBEST, Sigrun ,  FELDHAUS, Sebastian ,  PAUL, Udo ,  SEBALD, Roland

IPC分类号： C21D6/02 ,  C21D8/02 ,  C21D8/04 ,  C23C2/06 ,  C21D9/46 ,  C22C38/00 ,  C22C38/04 ,  C22C38/06 ,  C22C38/26 ,  C22C38/38

摘要： The invention relates to a steel and a sheet steel product produced therefrom, which have optimized mechanical properties and can be produced inexpensively without recourse having to be made to expensive alloying elements which are subject to great fluctuations in respect of their procurement costs. The steel and the sheet steel product have, according to the invention, the following composition (in % by weight): C: 0.12 - 0.18%; Si: 0.05 - 0.2%; Mn: 1.9 - 2.2%; Al: 0.2 - 0.5%; Cr: 0.05 - 0.2%; Nb: 0.01 - 0.06%; balance Fe and production-related unavoidable impurities including contents of phosphorus, sulphur, nitrogen, molybdenum, boron, titanium, nickel and copper, with the proviso that their contents are in each case: P: ≤ 0.02%, S: ≤ 0.003%, N: ≤ 0.008%, Mo: ≤ 0.1%, B: ≤ 0.0007%, Ti: ≤ 0.01%, Ni: ≤ 0.1%, Cu: ≤ 0.1%. The invention likewise relates to a process for producing a sheet steel product which consists of a steel according to the invention.