What is the difference between three - grade steel and two - grade steel?
Therefore, in the future, the three grade rebar will be widely used, in addition, anti seismic (with E mark) thread steel will also be widely used in our daily life.
Two grade steel thread subway project a little more, three grade steel room building project a little more. In addition, the original use of two steel more, and now are promoting the new three grade steel, concrete structure among the application has been very common. Three grade thread steel used in beam column main reinforcement is more, two grade thread steel used in more stirrups, recently, the state also issued expressly eliminated HRB335 two grade steel and HPB235 high wire.
Three grade thread steel HRB400, two grade thread steel HRB335, now the thread steel is inside the building must be less, then three grade screw steel and two grade thread steel is mainly used for what aspect, in order to solve this problem.
