PowerMax 4320 Alloy Steel Round Bar

The PowerMax 4320 Alloy Steel Round Bar is engineered to deliver exceptional strength, toughness, and wear resistance for demanding applications. With a composition of nickel, chromium, and molybdenum, it offers superior hardenability and heat resistance, making it suitable for use in gears, axles, and shafts subjected to heavy loads and harsh environments. Its excellent fatigue endurance and impact resistance ensure reliable performance in critical components across various industries including automotive, aerospace, and machinery. Precision machined to tight tolerances, this round bar provides consistent performance and longevity, meeting the stringent requirements of modern engineering.

PowerMax 4320 Alloy Steel Round Bar is a high-strength, low-alloy steel used for heavy-duty applications in construction, transportation, and industrial equipment. It offers excellent strength, toughness, and fatigue resistance.

Application: Construction, transportation, and industrial equipment applications.

Standards: ASTM A29, AMS 6352

Common Sizes:

– Diameter: 1/2 inch – 12 inches (12.7 mm – 304.8 mm)
– Length: 10 feet – 20 feet (3.05 meters – 6.1 meters)

Mechanical Properties:

– Tensile Strength: 110,000 psi (759 MPa)
– Yield Strength: 90,000 psi (621 MPa)
– Elongation at Break: 8%

Chemical Composition:

– Carbon (C): 0.20-0.25%
– Manganese (Mn): 0.60-0.80%
– Phosphorus (P): 0.035% max
– Sulfur (S): 0.040% max
– Silicon (Si): 0.15-0.30%
– Chromium (Cr): 0.40-0.60%
– Molybdenum (Mo): 0.20-0.30%
– Nickel (Ni): 1.70-2.00%