Alloy Steel 8640

Alloy Steel 4150, also sold under the name AISI/SAE 4150, is a high-carbon alloy that includes chromium, manganese, and molybdenum. This tough steel alloy offers uniform strength, wear resistance, and great hardness. It is important to note that Alloy Steel 4150 must be heat-treated to be suitable for machining. The weldability of Alloy Steel 4150 is high and can be achieved through most commercial methods. The finest of grain size relates directly with the temperature of forging.

Alloy Steel 4150 is used in the aerospace, defense, oil and gas, and automotive industries for products such as:

  • Shafts
  • Valves
  • Sprockets
  • Aerospace parts
  • Axles
  • Spindles
  • Forged gears

Alloy Steel 4150’s unique chemical composition must include:

  • Fe Balance
  • Cr 0.80-1.10%
  • Mn 0.75-1.0%
  • C 0.48-0.53%
  • Si 0.15-0.30%
  • Mo 0.15-0.25%
  • S 0.04%
  • P 0.035%

Continental Steel carries a number of different types of Alloy Steel 4150 including, rounds, squares, and flats. As with all our products, Continental Steel’s Alloy Steel 4150 meets or exceeds many of the industry’s toughest specifications. If you have any questions about Alloy Steel 4150, or any of our other products and services, please contact the experts at Continental Steel today.

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