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ISO 6317 Document Information:
Title
Hot-Rolled Carbon Steel Strip of Commercial and Drawing Qualities
International Organization for Standardization
Publication Date:
Jun 1, 2008
Scope:
This International Standard specifies requirements for
hot-rolled carbon steel strip of commercial and drawing
qualities.
NOTE Steel strip that is to be subjected to subsequent rerolling
is not covered by this International Standard.
Hot-rolled steel strip is suitable for many applications where
the presence of oxide or scale, or normal surface imperfections
disclosed after removal of oxide or scale, are not objectionable.
It is not suitable for applications where the surface is of prime
importance. This product is commonly rolled on a narrow strip
mill.
Commercial quality strip (HR1) is intended for general
fabrication purposes where strip is used in the flat condition, or
for bending, moderate forming and welding operations. It is
commonly produced in the range of thicknesses 0,65 mm to 12 mm
inclusive, and widths up to 600 mm exclusive, in coils and cut
lengths.
Drawing quality strip (HR2, HR3, HR4) is intended for drawing or
severe forming, including welding. It is commonly produced in the
range of thicknesses 0,65 mm to 12 mm inclusive, and widths up to
600 mm exclusive, in coils and cut lengths. Drawing quality strip
is furnished according to all the requirements of this
International Standard or, by agreement when ordered, to fabricate
an identified part, in which case, the mechanical properties in
Table 2 do not apply. Specific drawing qualities are identified as
follows:
HR2 Drawing quality
HR3 Deep drawing quality
HR4 Deep drawing quality aluminum killed
Hot-rolled steel strip can also be rolled on a wide continuous
mill and slit into narrower coils. However, all attributes of the
finished product meet the requirements of this International
Standard.
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