M00001588
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ISO 630-3 1st Edition, June 1, 2012 Structural steels - Part 3: Technical delivery conditions for finegrain structural steels
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Availability date: 07/13/2021
Description / Abstract:
This part of ISO 630 specifies requirements for flat and long
products of hot-rolled weldable fine-grain structural steels in the
as-rolled (for SG grades only), normalized/normalized-rolled and
thermomechanical-rolled delivery conditions. It applies to steel
plates rolled on a reversing mill, wide flats, hot-rolled sections
and bars, which are intended for use in heavily loaded parts of
welded or bolted structures.
This part of ISO 630 covers 11 grades and four qualities. Grades
S275, S355, S420 and S460 are covered in Annex A. Grades SG245,
SG290, SG325, SG345, SG365, SG415 and SG460 are covered in Annex B.
Not all grades are available in all qualities, and some qualities
have Charpy V-notch requirements.
This part of ISO 630 does not include the following structural
steels, some of which are covered by other International
Standards:
— Sheet and strip— refer to ISO TC 17/SC 12, Continuous mill
flat rolled products;
— Tubular products — refer to ISO TC 5/SC 1, Steel
tubes.
NOTE Lists of standards covered by ISO/TC 17/SC 12 and ISO/TC
5/SC 1 are available on the ISO Web site.