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1.发明公开HIGH-CARBON STEEL WIRE HAVING EXCELLENT DRAWABILITY AND FATIGUE PROPERTIES AFTER DRAWING 审中-公开含碳量高及卓越的特性与拉疲劳性能的钢丝后捞出
公开(公告)号：EP2682489A4
公开(公告)日：2014-08-20
申请号：EP12751796
申请日：2012-02-28
CPC分类号： C22C38/34 , B21C1/003 , C21C7/06 , C22C1/02 , C22C38/002 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/10 , C22C38/12 , C22C38/16 , C22C38/18 , C22C38/20 , C22C38/22 , C22C38/24 , C22C38/26 , C22C38/28 , C22C38/30 , C22C38/32 , C22C38/40 , C22C38/42 , C22C38/44 , C22C38/46 , C22C38/48 , C22C38/50 , C22C38/52 , C22C38/54
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公开(公告)号：EP2311585A4
公开(公告)日：2016-11-09
申请号：EP09797944
申请日：2009-07-15
IPC分类号： B22D11/124 , B22D11/00 , B22D11/22 , C22C38/00 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/08 , C22C38/58
CPC分类号： C22C38/02 , B22D11/124 , C22C38/04 , C22C38/06 , C22C38/08
摘要： A continuous cast slab includes the following component: by mass%, C: 0.01 ˆ¼ 0.3%, Si: 0.05 ˆ¼ 0.5%, Mn: 0.4 ˆ¼ 2%, P: 0.03% or less, S: 0.03 or less, Al: 0.005 ˆ¼ 0.03%, Ni: 0.2 ˆ¼ 2%, O: 0.006% or less, and N: 0.006% or less; wherein the balance is composed of Fe and inevitable impurities; wherein a structure in steel in a region within at least 2 mm from a broad surface is composed of ferrite and pearlite and a equivalent circular diameter of ferrite grains in the region is equal to or shorter than 30 µm.
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公开(公告)号：EP2298950A4
公开(公告)日：2014-01-29
申请号：EP09797956
申请日：2009-07-15
CPC分类号： C22C38/06 , C21C7/0006 , C21C7/06 , C22C38/001 , C22C38/02 , C22C38/04
摘要： A steel product for welding includes the following component: by mass%, C: 0.3% or less, Si: 0.5% or less, Mn: 0.3 ~ 2%, P: 0.03% or less, S: 0.03% or less, Al: 0.3 ~ 5%, O: 0.003 ~ 0.01 %, and N: 0.006% or less; wherein the balance is composed of Fe and inevitable impurities; wherein Al-containing oxides having a size of 0.005 to 0.05 µm are dispersed in steel at a ratio of 1×10 6 /mm 2 or more.
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