What are the marking of the steel bars on the mills? Which factory is the 2LG16 thread?
Each steel bar has an identification, each steel bar has a nameplate, each batch of steel bars have factory qualification certificate, and the qualification certificate is corresponding to the nameplate and the corresponding content of the identification, and has traceability.
2LG16 thread manufacturer is the Laiwu iron and steel works, referred to as "Laiwu Steel", the letter "LG", indicating that the steel produced by the diameter of 16 of the two grade thread steel.
In the steel mills logo is a symbol to a combination of numbers and letters, according to the strength of steel grade (with digital sign) + mills (referred to as letters marked) + bar diameter (with digital sign) according to the order of size at a certain spacing bar on one side of the uniform by Mark steel the strength grade of the number 2 (two steel), 3 (three steel), 4 (four steel) and other steel label; referred to in letters, such as LG (Lai Gang), JG (Ji Gang), KG (Kunming); diameter of steel bar by the number 12, 14, 16... 25, 28... Etc.. For example, the steel produced by Jigang has a diameter of 22 and the strength grade is 3 grade. The steel mark is 3JG22.
