C45 Steel

C45 steel, also known as AISI 1045 steel or DIN 1.1191 steel, is a widely used medium carbon steel known for its exceptional strength, toughness, and versatility. It is a popular choice in various industrial and engineering applications due to its balanced properties.

Key characteristics and applications of C45 steel include:

  1. Medium Carbon Content: C45 steel typically contains a carbon content ranging from 0.42% to 0.50%. This moderate carbon level provides good hardness and strength, making it suitable for parts and components subjected to mechanical stress.
  2. Strength and Toughness: C45 steel offers a desirable combination of high tensile strength and impact resistance, making it suitable for applications such as gears, shafts, crankshafts, and hydraulic components.
  3. Machinability: One of the notable features of C45 steel is its excellent machinability. It can be easily processed through various machining techniques, including turning, milling, drilling, and grinding, allowing for efficient production of intricate components.
  4. Weldability: While C45 steel can be welded, it may require preheating and post-weld heat treatment to prevent cracking and ensure good weld quality.
  5. Heat Treatment: C45 steel can undergo various heat treatments, including quenching and tempering, to modify its mechanical properties. This flexibility allows engineers to tailor the material’s characteristics to specific project requirements.
  6. Versatility: C45 steel is used across a wide range of industries, including automotive, manufacturing, construction, and machinery. It is a cost-effective choice for producing critical parts that require a balance of strength, toughness, and machinability.
  7. Conformance to Standards: C45 steel typically complies with international standards, ensuring consistent quality and performance in various applications.

In summary, C45 steel is a versatile and widely used medium carbon steel grade known for its strength, toughness, and machinability. Its adaptability and ability to be heat-treated make it a reliable choice for manufacturing a broad spectrum of components and parts across different industries.

  • Applications:

    High Carbon

  • Grades:


  • Standards:

    EN10277 - 2

  • Contact Us Today

    P&D Northern Steels are leading UK suppliers of C45 Steel. We have supplied C45 Steel to organisations in a variety of sectors for the last 50 years. With extensive stock levels, exceptional quality and customer service, we are experienced steel stockholders which can supply steel for a number of sectors. Please get in touch on 01706 848811 or fill in the contact form.

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