Address:Zhengzhou city in China.
Phone:0086-371-86151827
Email:
SA572Gr55 steel is a high-strength low-alloy niobium-vanadium structural steel, according to ASTM A572/A572M. This steel is a grade under the American standard and is mainly used in the manufacture of structural components requiring high strength, good toughness and weldability.
The chemical composition of SA572Gr55 steel mainly includes the following elements and their approximate content range:
Carbon (C) : 0.27 ~ 0.35%
Silicon (Si) : 0.93 ~ 1.20%
Manganese (Mn) : 0.80 ~ 1.10%
Phosphorus (P) : ≤0.026%
Sulfur (S) : ≤0.025%
Chromium (Cr) : 0.75 ~ 1.20%
Nickel (Ni) : ≤0.029%
Copper (Cu) : ≤0.025%
In addition, it may contain other alloying elements such as niobium and vanadium, which help to improve the strength, toughness and corrosion resistance of the steel.
Characteristics of SA572Gr55 steel
High strength: SA572Gr55 steel has a high yield strength and tensile strength, respectively, reaching 380~470MPa, so that it can perform well under heavy loads or high stress conditions.
Good toughness: the steel has good impact toughness and ductility, and can withstand a certain degree of impact and deformation without easy fracture.
Excellent welding performance: SA572Gr55 steel has good welding performance, can be manual arc welding, submerged arc welding, gas shielded welding and other welding processes to meet the needs of different manufacturing processes.
SA572Gr55 steel is widely used in the following fields because of its excellent properties:
Building steel structure: used for the load-bearing part of high-rise buildings, large factories and other structures, such as beams, columns, plates, etc.
Construction machinery: Manufacture all kinds of construction machinery and equipment structural parts, such as excavators, cranes, rollers, etc.
Mining mountainous machinery: A variety of mechanical equipment used in mining and mountain environments, such as mining machines, crushers, conveyors, etc.
Heavy truck: Manufacture frame, carriage and other structural parts of heavy truck to improve the carrying capacity and service life of the vehicle.
Bridge: Used for the main beam, beam and other parts of the bridge to bear the bridge's own weight and traffic load.
Pressure vessels: Manufacture all kinds of pressure vessels and storage tanks, such as oil tanks, gas tanks, etc.
In summary, SA572Gr55 steel with its high strength, good toughness and welding performance, plays an important role in construction, machinery, Bridges and other fields.
Address: Zhengzhou city in China.
Phone: 0086-371-86151827
Email: 
