GB/T 1591-2018: High strength low alloy structural steels

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Scope

This Standard specifies the designation representation method, ordering
content, size, shape, weight, technical requirements, test methods, inspection
rules, packaging, marking, and quality certificate of high strength low alloy
structural steel.
This Standard is applicable to high strength low alloy structural steel plates,
steel strips, steel sections, steel bars, etc. for general structural and engineering
purposes. Its chemical composition is also applicable to steel billets.

Basic Data

Standard ID	GB/T 1591-2018 (GB/T1591-2018)
Description (Translated English)	High strength low alloy structural steels
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H40
Classification of International Standard	77.140.01
Word Count Estimation	22,215
Date of Issue	2018-05-14
Date of Implementation	2019-02-01
Older Standard (superseded by this standard)	GB/T 1591-2008
Quoted Standard	GB/T 222; GB/T 223.3; GB/T 223.9; GB/T 223.11; GB/T 223.14; GB/T 223.17; GB/T 223.18; GB/T 223.23; GB/T 223.26; GB/T 223.37; GB/T 223.40; GB/T 223.60; GB/T 223.63; GB/T 223.68; GB/T 223.69; GB/T 223.76; GB/T 223.78; GB/T 223.79; GB/T 223.84; GB/T 228.1
Regulation (derived from)	National Standards Announcement No. 6 of 2018
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration
Summary	This standard specifies the grade designation, ordering content, size, shape, weight, technical requirements, test methods, inspection rules, packaging, marks, and quality certificates for low-alloy high-strength structural steels. This standard applies to general structural and engineering low-alloy high-strength structural steel plates, strips, profiles, steel rods and so on. Its chemical composition also applies to billets.