1.1 Subject content
This national standard specifies the code name, dimension, shape, weight, specifications, testing method, test rules, packaging, and quality certificate of remained heat treatment ribbed steel bars for the reinforcement of concrete.
1.2 Application scope
This national standard is applicable to the remained heat treatment ribbed steel bars for the reinforcement of concrete.
This national standard is inapplicable to the secondary steel bar re-rolled by final steel product.
