AISI 1045 S45C Mild Steel Round Bar Diameter 10 - 450mm Custom Cutting

What Are Equivalents of 1045 Carbon Steel?

Table 4 shows equivalent grades for AISI 1045 carbon steel in the naming systems:

What Are the Advantages of Using 1045 Carbon Steel?

The advantages of using 1045 carbon steel include:

1. Offers excellent tensile strength and hardness, making it suitable for demanding applications.
2. It can be easily machined into various shapes and forms, allowing for efficient manufacturing processes.
3. When techniques for joining medium-carbon steels are used, AISI 1045 is suitable for welding.
4. 1045 carbon steel is known for its ferrite and pearlite microstructure, which consists of alternating lamellae of ferrite and cementite (iron carbide). This unique structure contributes to its wear-resistance properties. The carbides present in the pearlite structure are responsible for providing enhanced wear resistance, making 1045 carbon steel suitable for components subjected to wear and friction.

What Are the Disadvantages of Using 1045 Carbon Steel?

While 1045 carbon steel offers many benefits, there are a few disadvantages to consider:

1. It is not highly resistant to corrosion, especially in harsh environments. It may require additional protective coatings or maintenance to prevent corrosion.
2. It has a limited ability to be hardened through heat treatment compared to some other steel grades. This can limit its use in applications where high hardness is required.
3. Improper heat treatment or welding techniques can lead to cracking or distortion in 1045 carbon steel components.
4. While 1045 carbon steel is not considered a high-cost material compared to some specialty steels, it can be more expensive than lower-grade carbon steels. The cost of steel depends on various factors such as the quality, availability, market demand, and the specific requirements of a project.