Alphabetical codes of steel bars of various grades in construction engineering:
Primary steel bars: HPB235 and HPB300, ordinary smooth steel bars
Secondary steel bar: HRB335, which is a threaded steel bar
Tertiary steel bar: HRB400, HRB400E is a threaded steel bar
Four grades of reinforcement: HRB500, HRB500E have crescent rib reinforcement and rebar
Time:22/04/2023 07:38:50