公开(公告)号：EP2796224B1

公开(公告)日：2017-08-09

申请号：EP12860513.6

申请日：2012-12-18

申请人： Posco

发明人： SHIN, Min-Chul ,  BAE, Il-Sin ,  KIM, Seong-Yeon ,  LEE, Sang-Hyeon

IPC分类号： B22D11/12

CPC分类号： B22D11/1282 ,  B22D11/128

公开(公告)号：EP3872213A1

公开(公告)日：2021-09-01

申请号：EP19876375.7

申请日：2019-10-25

申请人： POSCO

发明人： KIM, Sung-Kyu ,  LEE, Sang-Hyeon ,  KANG, Sang-Deok ,  HAN, Sang-Ho ,  LEE, Un-Hae ,  HAN, Tae-Kyo ,  LEE, Dong-Ho ,  CHO, Won-Tae

IPC分类号： C22C38/38 ,  C22C38/20 ,  C22C38/32 ,  C22C38/02 ,  C22C38/06 ,  C22C38/00 ,  C21D9/46 ,  C21D8/02 ,  C21D6/00 ,  B21B37/74 ,  B21B37/16

摘要： An aspect of the present invention can provide an austenitic high manganese steel for cryogenic applications and a manufacturing method for same, wherein the austenitic high manganese steel for cryogenic applications effectively ensures resistance to stress corrosion cracking by inducing the formation of twin crystals in corrosion and transformation composite environments, and effectively ensures surface quality by suppressing the formation of cracks in the surface of the steel.

公开(公告)号：EP2937154A1

公开(公告)日：2015-10-28

申请号：EP13868911.2

申请日：2013-11-20

申请人： Posco

发明人： LEE, Choong-Yun ,  LEE, Sang-Hyeon ,  LEE, Sung-Lim

IPC分类号： B21C47/28 ,  B21C47/18 ,  B21C47/14

CPC分类号： B21C47/28 ,  B21C47/18 ,  B21C47/24 ,  B21C47/323 ,  B21C49/00

摘要： A mandrel of a coil box, according to the present invention, comprises: a cylindrical mandrel body having a center shaft disposed therein and a slot into which a front end portion of a hot bar is inserted; and a guide part which is arranged towards the inside of the mandrel body from a peripheral wall of one side of the slot so as to prevent the cooling and plastic deformation of the front end portion of the bar inserted through the slot.

摘要翻译： 根据本发明的线圈箱的心轴包括：具有设置在其中的中心轴的圆柱形心轴体和插入热棒的前端部的狭槽; 以及引导部，其从所述槽的一侧的周壁朝向所述心轴主体的内侧配置，以防止通过所述槽插入的所述杆的前端部的冷却和塑性变形。

公开(公告)号：EP2796224A1

公开(公告)日：2014-10-29

申请号：EP12860513.6

申请日：2012-12-18

申请人： Posco

发明人： SHIN, Min-Chul ,  BAE, Il-Sin ,  KIM, Seong-Yeon ,  LEE, Sang-Hyeon

IPC分类号： B22D11/12

CPC分类号： B22D11/1282 ,  B22D11/128

摘要： The present invention provides a segment which may prevent the surface of a strip from periodically swelling up between a roller and a neighboring roller due to pressure even though strips of high temperature are continuously casted at high speeds, the segment including: a fixed frame and a loosed frame which are disposed on a cooling line for solidifying non-solidified strips and spaced from each other for passing strips therebetween; and a plurality of rollers respectively provided to the fixed frame and the loosed frame, wherein the number (N fixed ) of the rollers provided to the fixed frame and the number (N loosed ) of the rollers provided to the loosed frame are different from each other.