Carbon and low alloy steel billet has specific uses difference between them and what is the difference?

For example, screw plate (PU plate and manganese plate), carbon steel Primeton is what person rolling out?.

Answer:

that in addition to the carbon and other elements, such as Cr, Mo etc., in which the carbon ratio below 30 for low alloy steel

Primeton Pu board generally refers to A3; carbon steel refers to the high quality carbon steel, such as No. 45 steel, 35 steel and so on; that in addition to the carbon and other elements, such as Cr, Mo etc., in which the carbon ratio below 30 for low alloy steel

Primeton Pu board generally refers to A3; carbon steel refers to the high quality carbon steel, such as No. 45 steel, 35 steel and so on;