EN 15 Steel

EN15 Steel: Chemical Composition, Mechanical Properties, Applications & More

Chemical Composition of EN15 Steel

Element % Composition
Carbon (C) 0.30 – 0.40
Manganese (Mn) 1.30 – 1.70
Silicon (Si) 0.05 – 0.35
Sulfur (S) Max 0.06
Phosphorus (P) Max 0.06

Mechanical Properties of EN15 Steel

Property Value
Tensile Strength 455 – 1598 MPa
Yield Strength 338 – 985 MPa
Elongation 7 – 21%
Hardness 196 – 395 HB

Heat Treatment of EN15 Steel

Heat Treatment Process Description
Normalizing Heat to 850-880°C, then air cool
Annealing Heat to 680-710°C, then furnace cool
Hardening Heat to 830-860°C, quench in oil or water
Tempering Heat to 540-680°C, then air cool

Applications of EN15 Steel

  • Used in manufacturing of hydraulic fittings, shafts, gears, bolts, and automotive components.
  • Ideal for bright bar manufacturing due to its high machinability.
  • Preferred in automobile, construction, and heavy machinery industries.

Key Features & Advantages of EN15 Steel

  • High strength and hardness
  • Good machinability and wear resistance
  • Excellent impact resistance
  • Ideal for components requiring high toughness and durability

Equivalent Grades of EN15 Steel

Standard Equivalent Grade
AISI 1137
SAE 1137
DIN 37Mn5
IS 40C8

EN15 Steel Additional Grades Available

SAE 1018, 16MnCr5, 20MnCr5, C20 Steel, C35 Steel, C45 Steel, E350 Steel, EN16T Steel, EN16 Steel, EN18 Steel, EN19 Steel, EN24 Steel, EN8D Steel, SR E250BR Steel, IS2062 E350, IS2062 E250, SAE 4140, SAE1030, ST52 Steel, 40CR1 Steel, 40CR4 Steel, EN1A Non-Leaded, 8.8T Grade Steel, 10.9T Steel, EN24T Steel.

Physical Properties of EN15 Steel

Property Value
Density 7.85 g/cm³
Melting Point ~1425-1460°C
Thermal Conductivity ~46.6 W/m.K

Forging Properties of EN15 Steel

  • Forging Temperature: 850-1150°C
  • Cooling Method: Air cooling recommended

Stress Relieving & Normalizing of EN15 Steel

  • Stress Relieving: Heat to 550-650°C, hold, and slow cool.
  • Normalizing: Heat to 850-880°C, air cool.

Annealing Process of EN15 Steel

  • Heat to 680-710°C, then slowly cool in the furnace.

Machinability & Welding of EN15 Steel

Property Description
Machinability Good, suitable for bright bar applications
Welding Requires preheating and post-weld heat treatment

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EN15 Steel Related Products

SAE 1018, 16MnCr5, 20MnCr5, C20 Steel, C35 Steel, C45 Steel, E350 Steel, EN15 Steel, EN16T Steel, EN16 Steel, EN18 Steel, EN19 Steel, EN24 Steel, EN8D Steel, SR E250BR Steel, E250BR Steel, IS2062 E350, IS2062 E250, SAE 4140, SAE1030, 8.8 Grade Steel, ST52 Steel, 40CR1 Steel, 40CR4 Steel, EN1A Non-Leaded, 8.8T Grade Steel, 10.9 Steel, 10.9T Steel, EN24T Steel.

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