Chemical Composition:
The chemical composition of A311/A311M-04(2015) steel grade is as follows:
– Carbon (C): 0.15-0.20%
– Manganese (Mn): 0.60-0.90%
– Phosphorus (P): 0.040% max
– Sulfur (S): 0.050% max
– Silicon (Si): 0.15-0.35%
– Nickel (Ni): 1.60-2.00%
– Chromium (Cr): 0.80-1.10%
– Molybdenum (Mo): 0.15-0.25%
Mechanical Properties:
The mechanical properties of A311/A311M-04(2015) steel grade are as follows:
– Yield strength: 415 MPa (60 ksi) min
– Tensile strength: 690 MPa (100 ksi) min
– Elongation: 20% min in 2 inches (50 mm)
– Reduction of area: 40% min
Standard Number:
The standard number for A311/A311M-04(2015) steel grade is ASTM A311/A311M-04(2015).
Corresponding Uses:
A311/A311M-04(2015) steel grade is commonly used in applications where high strength and good toughness are required. It is often used in the manufacturing of forged parts, such as gears, shafts, and crankshafts, that are subjected to high loads and require excellent mechanical properties. This steel grade is also suitable for heat treatment processes, such as quenching and tempering, to further enhance its mechanical properties. Additionally, A311/A311M-04(2015) steel grade can be used in structural components and construction equipment where high strength and durability are essential.