GB/T 28300-2012 Replaced National standards

GB/T 28300-2012 Surface quality classes for hot-rolled bars and rods technical delivery conditions

Publish Date: 2012-05-11 Implement Date: 2013-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 28300-2012

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Iron and steel products

ICS Name: \nSteel rods and steel bars

Publish Date: 2012-05-11

Implement Date: 2013-02-01

Pages: 16 pages

Scope

This standard specifies the terms and definitions, designations, requirements, testing, and finishing for the surface quality of hot-rolled bars and coils.
This standard applies to the surface quality grades of hot-rolled bars and coils with nominal sizes ranging from 5 mm to 150 mm. Upon mutual agreement between the supplier and the purchaser, it can also be applied to hot-rolled bars and coils with nominal sizes greater than 150 mm.
This standard is applicable to engineering steel, and upon mutual agreement between the supplier and the purchaser, it can also be applied to structural steel or tool steel.
This standard does not include requirements for the depth of the surface decarburization layer.