1.1 Subject content
This standard specifies the grade, code, dimension, shape, weight, specification, testing method, test rule, packaging, sign and certification of quality of the hot rolled plain steel bars for the reinforcement of concrete.
1.2 Application scope
This standard is applicable to the hot rolled plain steel bars for the reinforcement of concrete.
This standard is inapplicable to the recycling steel bar re-rolled by the rolled-steel final product, and remained heat treatment ribbed steel bars
