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Metal strip and method for producing a surface-polished metal strip

A technology for metal strips and outer surfaces, applied in metal rolling, manufacturing tools, metal processing, etc., to achieve the effect of avoiding surface defects and good surface quality

Active Publication Date: 2016-11-09
BERNDORF BAND GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, although large casting widths can be achieved, good enough casting results cannot be achieved here for all applications

Method used

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  • Metal strip and method for producing a surface-polished metal strip
  • Metal strip and method for producing a surface-polished metal strip
  • Metal strip and method for producing a surface-polished metal strip

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Embodiment Construction

[0023] First of all, it should be ensured that in the differently described embodiments, the same parts are identified by the same reference symbols or the same component designations, wherein the disclosure contained in the entire description can be transferred to the same reference symbols or components. on components with the same component name. Positional terms used in the description, such as top, bottom, side, etc., refer to the current description and to the shown figures and, if the position is changed, they are automatically transferred to the new position.

[0024] exist figure 1 1 shows a schematically simplified metal strip 1 , in particular an endless steel strip, which has an overall width 2 extending transversely to its longitudinal direction, which is wider than metal strips of defined quality and composition that can usually be produced today. 1 to be wide.

[0025] In order to achieve a greater overall width 2 , the metal strip 1 is formed in the direction...

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PUM

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Abstract

The invention relates to a metal strip (1) which defines an outer surface (21) and an inner surface (22), wherein on at least one of the surfaces (21, 22) a plurality of measuring surfaces with a size of 625 mm2 are set on the basis of DIN EN 10247 - July 2007 - to determine the content of non-metallic inclusions and all measuring surfaces are completely screened with a magnification of 200:1. The number of inclusions determined per measuring surface in the case of a first size class of inclusions between 2 mum and smaller than 5 mum lies within a lower limit of no inclusions and an upper limit of 25 inclusions, in the case of a second size class of inclusions between 5 mum and smaller than 10 mum within a lower limit of no inclusions and an upper limit of 6 inclusions, and in the case of a third size class of inclusions between 10 mum and smaller than 15 mum within a lower limit of no inclusions and an upper limit of 4 inclusions.

Description

technical field [0001] The invention relates to a metal strip, in particular a stainless steel strip, which defines an outer surface and an inner surface, wherein, on at least one of the surfaces, a plurality of measuring surfaces is determined, in particular based on DINEN 10247-July 2007 , used to determine the composition of non-metallic inclusions, where a complete scan is performed on all measurement surfaces at a magnification of 200:1. Background technique [0002] Various metal strips are known which are of high quality in terms of material properties and surface quality, which are used for different applications. But these metal strips no longer meet the current high demands. [0003] KR 10-2009-0110082 discloses a method for producing wider cast films on metal strips. In order to widen the casting surface on the metal strip, additional longitudinal strips are welded to the side edges of the support strip in order to be able to increase the width of the film mater...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B3/02
CPCB23K10/02B23K9/025B23K26/0846B23K26/26B23K2101/16B23K2103/05B65G15/48
Inventor D·巴德尔R·舒斯特
Owner BERNDORF BAND GMBH