GB/T 6478-2015: Steels for cold heading and cold extruding

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Scope

This Standard specifies the classification, grade, ordering contents, dimension,
appearance, weight and allowable deviation, technical requirements, test methods,
inspection rules, package, mark, and quality certificate, etc. for the non-alloyed steels
and alloyed structural steels for cold heading and cold extruding.

Basic Data

Standard ID	GB/T 6478-2015 (GB/T6478-2015)
Description (Translated English)	Steels for cold heading and cold extruding
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	H44
Classification of International Standard	77.140.10
Word Count Estimation	25,242
Date of Issue	2015-09-11
Date of Implementation	2016-06-01
Older Standard (superseded by this standard)	GB/T 6478-2001
Quoted Standard	GB/T 222; GB/T 223.3; GB/T 223.4; GB/T 223.5; GB/T 223.8; GB/T 223.9; GB/T 223.11; GB/T 223.12; GB/T 223.13; GB/T 223.14; GB/T 223.16; GB/T 223.17; GB/T 223.18; GB/T 223.19; GB/T 223.23; GB/T 223.26; GB/T 223.37; GB/T 223.40; GB/T 223.53; GB/T 223.54; GB/T 223.58; GB/T 223.59; GB/T 223.60; GB/T 223.61; GB/T 223.62; GB/T 223.63; GB/T 223.64; GB/T 223.67; GB/T 223.68; GB/T 223.69; GB/T 223.71; GB/T 223.72; GB/T 223.75; GB/T 223.76; GB/T 223.78; GB/T 223.79; GB/T 223.81; GB/T 223.84; GB/T 223.85; GB/T 223.86; GB/T 224; GB/T 225; GB/T 226; GB/T 228.1; GB/T 230.1; GB/T 231.1; GB/T 702; GB/T 1979; GB/T 2101; GB/T 2975; GB/T 4336; GB/T 6394; GB/T 8170; GB/T 10561; GB/T 14981-2009; GB/T 17505; GB/T 20066; GB/T 20123; GB/T 20125; GB/T 21834; GB/T 22368; GB/T 28300; YB/T 5293
Adopted Standard	ISO 4954-1993, MOD
Regulation (derived from)	National Standard Announcement 2015 No.25
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 cold heading and cold extrusion of non-alloy steel and alloy structural steel classification, grades, ordering the content, size, shape, weight and tolerance, technical requirements, test methods, inspection rules, packaging, marking and quality certificate books. This Standard applies to nominal diameter of 5.0 mm ~ 60 mm hot rolled rod and a nominal diameter of 12 mm ~ 100 mm of rolled round.