Low alloy steel a573 gr.70 and a515 gr.70 carbon steel propety

a573 gr.70 and a515 gr.70 carbon steel plate weight:
1) Theoretical weight of a573 gr.70 and a515 gr.70 carbon steel plate:
The theoretical weight of a steel plate is the weight calculated based on the nominal size and density of the steel plate (previously called specific gravity). It is closely related to the length, size, and cross-sectional area of the steel plate.
2) The actual weight of a573 gr.70 and a515 gr.70 carbon steel plate:
The actual weight of the steel plate refers to the weight obtained through actual weighing, which is more accurate than the theoretical weight.

S355J2+N steel plate belongs to the European standard low alloy structural steel grade. S355J2 steel is equivalent to Q345D grade. a573 gr.70 and a515 gr.70 carbon steel, S355J2+N low alloy steel plate is widely used in bridges, vehicles, ships, building steel structures. Mechanical properties of S355J2+N steel: Yield strength: ≤16mm: ≥355; 16-40: ≥345; 40-63: ≥335; 63-80: ≥325;80-100: ≥315; 100-150: 295; 150-200: ≥285; 200-250: ≥275; 250-400: ≥265. Tensile strength: 450-680MPa.

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Oxygen is a harmful element in a573 gr.70 and a515 gr.70 carbon steel steel. With the increase of oxygen content, the strength of a573 gr.70 and a515 gr.70 carbon steel steel increased, but the plasticity, especially the toughness, decreased significantly, and the weldability became worse. The presence of oxygen causes hot brittleness of a573 gr.70 and a515 gr.70 carbon steel steel.