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ISO DIS 9443

2017 Edition, April 5, 2017

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SURFACE QUALITY CLASSES FOR HOT-ROLLED BARS AND WIRE ROD



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Superseded By: ISO 9443

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NOW A PUBLISHED STD * SEE ISO 9443
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Description / Abstract:

This International Standard specifies technical delivery requirements for the surface quality of round bars, squares, hexagons and wire rod in the hot rolled condition with nominal diameters dN from 5 mm to 200 mm. This International Standard may be applied to bright products and tool steels, if agreed at the time of enquiry and order between manufacturer and purchaser.

By agreement between manufacturer and purchaser, this International Standard may also be applied to other special profiles.

This International Standard applies particularly to steels for engineering and structural applications.

This International Standard does not include any requirements for the permissible depth of surface decarburization.

The material standards for steel bars and wire rod may exclude the application of one or other of the surface quality classes of this International Standard. They may also cover requirements for surface quality which deviate from this International Standard. In these cases the requirements of the material standard shall prevail.
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