GB/T 6478-2001 Steels for cold heading and cold extruding (Text of Document is in English) - Beijing translation compay

1 Scope
2 Normative References
3 Information of order
4 Classification and Code
5 Dimension, Shape, Weight and Allowable Deviation
6 Technical Requirements
6.1 Designation and chemical composition
6.2 Smelting method
6.3 Delivery state
6.4 Mechanical properties
6.5 Cold heading
6.6 End hardenability
6.7 Decarburized layer
6.8 Acid leaching macrostructure
6.9 Non-metallic inclusions
6.10 Surface quality
7 Test Methods
8 Inspection Rules
9 Packaging, Labeling and Quality Certification
Annex A (Suggestive) Mechanical properties of heat treatment specimen