A572 Grade 50 steel is fully resolved

A572 Grade 50 steel concept

A572 Grade 50 is a high strength low alloy steel (HSLA) that is standard by the American Society for Materials and Testing (ASTM). The steel has excellent mechanical properties and corrosion resistance and is commonly used in load-bearing parts of building structures, such as beams, columns and Bridges. The "50" in the name of A572 Grade 50 steel represents a yield strength of 50 KSI (thousand pounds per square inch), or approximately 345MPa.

 

Characteristics of A572 Grade 50 steel

 

High strength: A572 Grade 50 steel has high yield and tensile strength and can withstand large external loads.

 

Good toughness: The steel has good toughness and can withstand damage in stress concentration areas without breaking easily.

 

Excellent weldability: A572 Grade 50 steel is easy to weld, and the strength of the welded joint is close to the base material, which is suitable for various welding methods.

 

Good processing performance: The steel is easy to process and form, and can meet the needs of various machining and forming processes.

 

Chemical composition of A572 Grade 50 steel

 

The chemical composition of A572 Grade 50 steel mainly includes carbon (C), silicon (Si), manganese (Mn), phosphorus (P), sulfur (S) and niobium (Nb), which are as follows:

 

Carbon (C) : ≤0.20%

 

Silicon (Si) : ≤0.40%

 

Manganese (Mn) : ≤1.50%

 

Phosphorus (P) : ≤0.04%

 

Sulfur (S) : ≤0.05%

 

Niobium (Nb) : Can be added to improve the strength and toughness of steel

 

The reasonable proportion of these chemical components makes A572 Grade 50 steel with excellent mechanical properties and processability. Delivery status of A572 Grade 50 steel

 

A572 Grade 50 steel can be delivered hot rolled, controlled rolled or normalized.