The chemical composition of A1072/A1072M-11(2015) steel grade is as follows:
– Carbon (C): 0.20% max
– Manganese (Mn): 0.60-1.50%
– Phosphorus (P): 0.025% max
– Sulfur (S): 0.015% max
– Silicon (Si): 0.10-0.35%
– Copper (Cu): 0.20% minimum, if specified
– Nickel (Ni): 0.20% minimum, if specified
– Chromium (Cr): 0.20% minimum, if specified
– Molybdenum (Mo): 0.06% minimum, if specified
– Vanadium (V): 0.05% minimum, if specified
These chemical composition requirements represent the maximum and minimum limits for each element in the steel grade.
The mechanical properties of A1072/A1072M-11(2015) steel grade include the following:
– Tensile strength: 58-85 ksi (400-585 MPa)
– Yield strength: 36 ksi (250 MPa) minimum
– Elongation: 20% minimum in 8 inches (200 mm), 18% minimum in 2 inches (50 mm)
– Hardness: The steel should have a Brinell hardness value of 137 HBW maximum.
The standard number for A1072/A1072M-11(2015) steel grade is ASTM A1072/A1072M-11(2015). This standard specifies the requirements for hot-rolled, high-strength, low-alloy steel backing and filler plates.
The corresponding standard for understanding the strength and composition of A1072/A1072M-11(2015) steel grade is ASTM A572/A572M-18. This standard covers the standard requirements for high-strength low-alloy columbium-vanadium structural steel.