The corresponding standard for A820/A820M-16 Steel Grade is ASTM A820/A820M-16. This standard provides the specifications for low-alloy steel bars, plates, and shapes for welded, riveted, or bolted construction for use in bridges and buildings.
Chemical Composition:
The chemical composition of A820/A820M-16 Steel Grade is as follows:
– Carbon (C): 0.22% maximum
– Manganese (Mn): 1.35% maximum
– Phosphorus (P): 0.04% maximum
– Sulfur (S): 0.05% maximum
– Silicon (Si): 0.15-0.50%
– Copper (Cu): 0.20% maximum
– Nickel (Ni): 0.80% maximum
– Chromium (Cr): 0.30% maximum
– Molybdenum (Mo): 0.15% maximum
– Vanadium (V): 0.02-0.10%
– Nitrogen (N): 0.03% maximum
Mechanical Properties:
The mechanical properties of A820/A820M-16 Steel Grade are:
– Tensile Strength: 485-620 MPa (70-90 ksi)
– Yield Strength: 345 MPa (50 ksi)
– Elongation: 18% minimum in 8 inches
– Reduction of Area: 40% minimum
Uses:
A820/A820M-16 Steel Grade is commonly used in construction projects such as bridges and buildings due to its high strength and good weldability. It is specifically designed for applications where high strength is required, such as heavy structural components. The low-alloy composition of this steel grade provides good weathering resistance and its weldability allows for easy fabrication. A820/A820M-16 Steel Grade is suitable for both welded and bolted construction methods, making it versatile for various construction projects.