EN18 Alloy Steel Round Bars

EN18 alloy steel round bars  offers high tensile strength, toughness, and wear resistance suitable for gears, shafts, and axles in automotive and machinery applications.

Belo details provide an overview of the composition, properties, heat treatment, applications, and characteristics of EN18 alloy steel round bars.

Chemical Composition:

above Table values represent typical ranges for EN18 alloy steel round bars. Actual compositions may vary slightly depending on specific manufacturing processes and standards.

Mechanical Properties:

• Tensile Strength: Typically 650 - 850 MPa
• Yield Strength (0.2% offset): Typically 550 - 700 MPa
• Elongation at Break: Typically 13 - 18%
• Hardness (Brinell): Typically 220 - 300 HB

Heat Treatment:

• Normalizing: 870°C - 900°C, followed by air cooling.
• Hardening: 820°C - 850°C, oil or water quenching.
• Tempering: 540°C - 660°C, air cooling.

Applications:

• EN18 alloy steel round bars find applications in various industries including automotive, machinery, and aerospace.
• They are commonly used in the manufacture of gears, shafts, axles, and other critical components requiring high strength and wear resistance.

Characteristics:

• It offers good wear resistance and can withstand high stresses and impact loads.
• With proper heat treatment, it can achieve a balance of strength and ductility suitable for demanding applications.