The A384/A384M-07(2013) steel grade is commonly used for its high strength and durability in various applications. It is important to understand its chemical composition, mechanical properties, and corresponding standard number for proper use and application.
1. Chemical Composition:
The chemical composition of A384/A384M-07(2013) steel grade typically includes the following elements:
– Carbon (C): 0.15% maximum
– Manganese (Mn): 1.2% maximum
– Phosphorus (P): 0.04% maximum
– Sulfur (S): 0.05% maximum
– Silicon (Si): 0.30% maximum
– Copper (Cu): 1.0% maximum
– Chromium (Cr): 0.5% maximum
– Nickel (Ni): 0.5% maximum
– Molybdenum (Mo): 0.10% maximum
– Vanadium (V): 0.015% to 0.060%
2. Mechanical Properties:
The A384/A384M-07(2013) steel grade exhibits the following mechanical properties:
– Tensile Strength: 620 MPa (90,000 psi) minimum
– Yield Strength: 485 MPa (70,000 psi) minimum
– Elongation in 2 inches (50 mm): 15% minimum
– Reductioin of Area: 25% minimum
– Charpy V-notch Impact Test:
– Longitudinal: 34 J (25 ft-lbf) minimum
– Transverse: 27 J (20 ft-lbf) minimum
3. Standard Number:
The A384/A384M-07(2013) steel grade standard number is ASTM A384/A384M-07(2013). This standard provides the specifications for the strength and durability requirements, chemical composition, and mechanical properties of the steel grade.
Understanding the chemical composition, mechanical properties, and corresponding standard number is crucial for engineers, manufacturers, and users to ensure proper selection, fabrication, and application of the A384/A384M-07(2013) steel grade.