GB/T 3077-2015: Alloy Structure Steels

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Scope

This Standard specifies the classification and code, order content, size, shape,
weight and allowable tolerance, technical requirements, test method, inspection
rules, packaging, marking and quality certificate of alloy structure steel.
This Standard applies to the hot-rolled and forged alloy steel bars which are not
more than 250mm of nominal diameter or thickness. However, after negotiated
by the Supplier and Demander, it is also allowed to supply hot-rolled and forged
alloy steel bars which are more than 250mm of nominal diameter or thickness
(abbreviated as the steel bar).
The designations and chemical compositions which are specified in this
Standard are also applicable to steel ingot, billet and their products.

Basic Data

Standard ID	GB/T 3077-2015 (GB/T3077-2015)
Description (Translated English)	Alloy Structure Steels
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H40
Classification of International Standard	77.140.60
Word Count Estimation	28,236
Date of Issue	2015-12-10
Date of Implementation	2016-11-01
Older Standard (superseded by this standard)	GB/T 3077-1999
Quoted Standard	GB/T 222; GB/T 223.4; GB/T 223.5; GB/T 223.9; GB/T 223.11; GB/T 223.13; GB/T 223.16; GB/T 223.18; GB/T 223.23; GB/T 223.26; GB/T 223.43; GB/T 223.49; GB/T 223.59; GB/T 223.60; GB/T 223.67; GB/T 223.69; GB/T 223.75; GB/T 224; GB/T 225; GB/T 226; GB/T 228.1; GB/T 229; GB/T 231.1
Regulation (derived from)	National Standard Announcement 2015 No.38
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the classification and code of the alloy structural steel, the order content, size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, signs and quality certificates. This standard applies to nominal diameter or thickness of not more than 250 mm of hot-rolled and wrought alloy structural steel bars. It is also possible to supply hot-rolled and wrought alloy structural steel bars (hereinafter referred to as steel bars) with a nominal diameter or thickness of more than 250 mm in consultation with both parties. The grades and chemical compositions specified in this standard are also applicable to ingots, billets and their products.