The logos of each steel plant on the rebar are a combination of numbers and letters, which are based on the strength grade of the steel bar (marked by numbers), the abbreviation of the steel plant (marked by letters), and the diameter of the steel bar (marked by letters). The numbers (numbered) are evenly arranged on one side of the steel bars according to a certain size spacing. The strength grades of the steel bars in the markings are marked with numbers 2 (second-grade steel), 3 (third-grade steel), 4 (fourth-grade steel), etc.

2LG16 thread manufacturer is Laiwu Iron and Steel Works, referred to as Laigang, the letter is LG, which represents the 16-diameter secondary rebar produced by Laigang.

Each steel bar has a mark, each piece of steel bar has a nameplate, and each batch of steel bars has a factory certificate of conformity. The certificate of conformity corresponds to the corresponding content on the nameplate and label, and is traceable.

Extended information

Specifications of rebar

The specifications of rebar should be stated in the import and export trade contract.

Generally, it should include the standard grade (type code), the nominal diameter of the steel bar, the nominal weight (mass), the specified length and the tolerance value of the above indicators, etc. Our standard recommended nominal diameter is 6, 8, 10, 12, 16, 20, 25, 32, 40, 50mm rebar series.

The supplied lengths are divided into two types: fixed length and double length. The fixed length selection range of my country's export rebar is 6 to 12m, and the fixed length selection range of Japanese rebar is 3.5 to 10m. If there are no requirements specified in the contract for domestic domestic rebar, the fixed length is usually 9m and 12m.

Reference materials

Baidu Encyclopedia--Rebar