GB/T 3077-1999: Alloy structure steels

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Scope

This Standard specifies the hot rolled and forging alloy structure steels’ dimension,
shape, weight, tolerance, technical requirements, test method, inspection rules,
packaging, marking, and quality certificates etc.
This Standard applies to alloy structural steel bars of which the diameter or thickness
is not greater than 250mm. After negotiation by supplier and purchaser, it can provide
steel bars of which the diameter or thickness is greater than 250 mm.
The chemical compositions of the grades specified by this Standard also apply to steel
ingots, steel billets and its productions.

Basic Data

Standard ID	GB/T 3077-1999 (GB/T3077-1999)
Description (Translated English)	Alloy structure steels
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H40
Classification of International Standard	77.140.20
Word Count Estimation	14,185
Date of Issue	11/1/1999
Date of Implementation	8/1/2000
Older Standard (superseded by this standard)	GB/T 3077-1988
Quoted Standard	GB/T 222-1984; GB/T 224-1984; GB/T 225-1988; GB/T 226-1991; GB/T 228-1987; GB/T 229-1994; GB/T 231-1984; GB/T 233-1982; GB/T 702-1986; GB/T 908-1987; GB/T 1979-1980; GB/T 2101-1989; GB/T 2975-1998; GB/T 4336-1984; GB/T 6397-1986; GB/T 7736-1987; GB/T 10561-1989; GB/T 13299-1991; GB/T 15711-1995; GB/T 17505-1998; GB/T 17616-1998; GB/T 5148-1993
Issuing agency(ies)	State Quality and Technical Supervision
Summary	This standard specifies the hot-rolled and forged alloy steel size, shape, weight and tolerances, technical requirements, test methods, inspection rules, packaging, marking and quality certificate.