Hot rolled ribbed bars for the reinforcement of concrete (HS code(s): 721420); (ICS code(s): 77.140.15)

National standard of the PRC, "Steel for the reinforcement of concrete — Part 2:Hot rolled ribbed bars"; (17 page(s), in Chinese)

The document specifies the terms and definitions, classification, grade, size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates of hot-rolled ribbed steel bars for reinforced concrete.

The document applies to hot rolled and fine grain ribbed bars for the reinforcement of concrete.
The document does not apply to regenerated and heat-treated bars rolled from finished steel.