Gb Gb T Gbt Chinese Standard English Translated Version Catalog002

All English-translated Chinese codes are available at: www.codeofchina.com

This document provides the comprehensive list of Chinese National Standards - Category: GB; GB/T, GBT.

This Standard specifies the type dimensions, technical conditions, reference standards and marking of foundation bolts. This Standard applies to foundation bolts, of which is thread specification is M8 ~ M72, the performance grades are 4.6 and 5.6, and the product grade is C.

This standard specifies the requirements, sampling, test methods, inspection rules, marking, labeling, packaging, transportation and storage of sulphur black 2BR, 3B 200% (C.I. sulphur black 1, double sulfide black) products.

This part is used for reference when the national standards identically adopt international standards, or when other standards adopt international standards. The numbering method of national standards which identically adopt the ISO standards and/or IEC standards as specified in Chapter 7 of this part does not apply to standards issued by other international standardization bodies published by ISO.

This Standard specifies the notations for designation, technical requirements, test methods, inspection rules, judgment and re-inspection, packaging, storage and transportation, marking and quality certificates of ferrosilicon. This Standard is applicable ferrosilicon serving as deoxidizer and alloying agent in the iron and steel industry; ferrosilicon serving as inoculant and nodulizer in the foundry industry; and ferrosilicon serving as reducing agent in the magnesium industry and ferroalloy industry.

This Standard specifies the requirements and inspection methods for parts and assemblies of the mechanical watch movements. This Standard applies to parts and assemblies of the mechanical watch movements that have undergone finishing processing.

This standard specifies general specifications for acceptance, packaging, marking and certification for section steel (steel bar and rod). This Standard is applicable to hot rolling, cold drawing (rolling), forging and heat treating section steel.