专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

US20120321501A1 High-Carbon Martensitic Stainless Steel and Production Method Therefor 审中-公开
标题翻译：高碳马氏体不锈钢及其生产方法
公开(公告)号：US20120321501A1
公开(公告)日：2012-12-20
申请号：US13517278
申请日：2010-12-20
申请人： Dong-Chul Chae , Bo-Sung Seo , Seung-Bae Ahn , Seong-In Jeong , Jae-Hwa Lee , Gyu-Jin Jo
发明人： Dong-Chul Chae , Bo-Sung Seo , Seung-Bae Ahn , Seong-In Jeong , Jae-Hwa Lee , Gyu-Jin Jo
IPC分类号： C22C38/18 , C22C38/40 , C21D8/02 , B22D11/06 , B22D11/12
CPC分类号： B22D11/0697 , B22D11/002 , B22D11/0622 , C22C38/18 , C22C38/40
摘要： The present invention relates to a production method for high-carbon martensitic stainless steel as used in razorblades, knives and the like, which contains, as percentages by weight, 0.40 to 0.80% carbon and 11 to 16% chromium as main components. Provided is a production method for high-carbon martensitic stainless steel in a strip-casting device, wherein a stainless-steel thin sheet is cast by supplying a stainless molten steel containing, as percentages by weight, 0.40 to 0.80% carbon and from 11 to 16% chromium to a molten steel pool from a tundish via a nozzle, and the cast stainless-steel thin sheet is made into a hot-rolled annealed strip using in-line rollers to a rolling reduction of 5 to 40% immediately just after the casting so that the size of primary carbides within the microstructure of the hot-rolled annealed strip is 10 μm or less, and also provided is martensitic stainless steel produced by means of the production method. By reducing the size of the primary carbides formed in the cast structure and the hot-rolled sheet to 10 μm or less, the present invention produces high-carbon martensitic stainless steel having outstanding blade-end quality for use in cutting implements.
摘要翻译：本发明涉及用于剃刀刀，刀等的高碳马氏体不锈钢的制造方法，其以重量百分比含有0.40〜0.80％的碳和11〜16％的铬作为主要成分。本发明提供一种带状铸造装置中的高碳马氏体系不锈钢的制造方法，其特征在于，通过将不饱和钢水以0.40〜0.80％的碳和11重量％的比例添加， 16％的铬通过喷嘴从中间包中到钢水池中，铸造的不锈钢薄片使用直列辊制成热轧退火条，在紧随其后立即压下5〜40％铸造，使得热轧退火带的微结构内的一次碳化物的尺寸为10μm以下，并且也是通过制造方法制造的马氏体系不锈钢。通过将铸造结构体和热轧板材中形成的一次碳化物的尺寸减小到10μm以下，本发明生产用于切割工具的具有优异的刀片质量的高碳马氏体不锈钢。

IPRDB

热门服务

关于我们

友情链接

联系方式