SCM440H | Why is it a Durable and Superior Material for Shafts?

16/11/2021

The choice of material for manufacturing shafts depends on technical requirements and the specific demands of the application. Many companies opt for SCM440H steel for shaft production. Why is that?

1. Materials Commonly Used for Shafts

Shafts are rotating bars supported at both ends, primarily used for pressing, rolling, or transmitting motion and power in industrial systems.

They are indispensable in modern production processes, particularly in:

- Rolling operations.

- Transmission systems.

- Lifting mechanisms in production lines.

In the field of mechanical engineering, shafts can be made from various materials, including:

- SKD11, SKD61: Known for high wear resistance.

- Carbon steels (e.g., S45C, S50C): Cost-effective but less durable.

- Alloy steels like SCM440H: A balanced combination of toughness, hardness, and durability.

2. Why is SCM440H an Excellent Choice for Shaft Applications?

Outstanding Impact Resistance

SCM440H steel has excellent impact resistance, making it highly durable even under direct force or heavy loads. Shafts made from SCM440H last longer and perform reliably in demanding conditions.

SCM440H | Why is it a Durable and Superior Material for Shafts? sevit special steel

Balance of Hardness and Ductility

The perfect balance between hardness and ductility in SCM440H prevents deformation during machining and reduces risks of cracking or denting during operation.

Enhanced Strength with Chromium Content

The added chromium in SCM440H provides superior hardness compared to carbon steels like S45C and S50C. This makes it ideal for shafts subjected to high stress.

Achievable Hardness of 55HRC

SCM440H can reach a hardness level of 55HRC after proper heat treatment, making it suitable for diverse mechanical applications requiring precision and durability.

Versatility Across Industries

Thanks to its exceptional properties, SCM440H is used in various shaft applications, including:

- Industrial rollers.

- Power transmission shafts.

- Heavy-duty lifting and pressing components.

Conclusion

SCM440H steel is a durable and reliable material for shaft production, offering a combination of impact resistance, high strength, and adaptability to various industrial uses. Its enhanced performance compared to carbon steels ensures long-lasting shafts that reduce maintenance costs and improve operational efficiency.

For more information, contact Sevit Special Steel:

* Tel: +84 332 91 61 61

* Email: sales@sevit.vn

* Zalo: Sevit Special Steel