What is the difference between Angang rebar 4YA and 4YT?

The difference between rebar 4YA and 4YT is that it is not the same manufacturer.

4ya --4 represents the reinforcement grade HRB400; YA stands for the place of origin, Xinyang, Henan.

4yt --4 represents the reinforcement grade HRB400; YT represents the origin of Chongqing Yatong Iron and Steel.

1. "Steel for Reinforced Concrete" GB Part 2: Hot-rolled ribbed steel bars.

The surface marking of ribbed reinforcement shall comply with the following provisions.

The ribbed steel bar should be rolled on its surface with the grade mark, and the registered factory name (or trademark) and the nominal diameter of the millimeter number can also be rolled in turn.

The steel bar grade is represented by Arabic numerals or Arabic numerals plus English letters, HRB335, HRB400, HRB500 are represented by , HRBF335, HRBF400, HRBF500 are represented by C3, C4, C5 respectively. The name of the factory is indicated by the prefix of Chinese pinyin. The number of nominal diameter millimeters is expressed in Arabic numerals.

The nominal diameter of the steel bar is not more than 10mm, and the sign can be not rolled, and the method of hanging signs can be used.

The sign should be clear and clear, the size of the sign is appropriately specified by the supplier according to the diameter of the steel bar, and the cross rib that intersects with the sign can be canceled.

Rebar with E (e.g. HRB400E, HRBF400E, etc.) should be clearly indicated on the signage and quality certificate.

2. Legend: 4 --HRB400; t -- Tangshan Iron and Steel Plant; 16 -- steel bar diameter of 16mm;

Angang rebar steel number 4ya 4 refers to HRB400 YA is the steel number of Angang rebar, as for 4yt, it is not Angang's goods.

A breath is a rough one is expensive.

4 is the strength grade of steel, the meaning of baihrb400, commonly known as.

DU3 grade steel is the DAO steel number of Angang rebar. The steel bar identification (not the inner number) contains 4EYA12, which means that the HRB400 level meets the seismic requirements.

Steel grade: 20MnSi, 20MnV, 25MnSi, BS20Mnsi. Steel bars are mainly subjected to tensile stresses in concrete.

Due to the action of ribs, the deformed steel bar has a greater bonding capacity with concrete, so it can better withstand the action of external force. Steel bars are widely used in various building structures. Especially large, heavy, lightweight, thin-walled and high-rise building structures.

4 is the strength grade of steel, the meaning of HRB400, commonly known as grade 3 steel. Angang seems to be AY (Anyang), you can verify it yourself.

How does the 14 rebar of Angang rebar look the same as that of 12.

The logo of Anyang Iron & Steel, 3YA is HRB335, 4YA is HRB400

Now many small factories counterfeit Angang's rebar, please consult its after-sales service.

4 is the strength grade of steel. The meaning of HRB400 is commonly known as grade 3 steel. YA is Angang.