Why do many workshops use SCM440H Steel from Korea?

Previously, in the machine manufacturing process, producers typically used mid-range carbon steels like S45C, S50C, S55C, etc., as the main materials. However, using these carbon steels revealed several drawbacks:

- Higher carbon content makes the steel harder but more brittle.

- Lower carbon content makes the steel easier to shape but does not ensure sufficient hardness.

As a result, many manufacturers sought alternative materials that could balance toughness and hardness. By adding Chromium to its chemical composition, SCM440H steel from Korea helps improve hardness without becoming brittle. This makes it an ideal solution to overcome the limitations of carbon steels.

1. What is SCM440H Steel from Korea?

SCM440H is a well-known alloy steel grade produced by Hyundai Steel from Korea. Equivalent grades of SCM440H globally include:

- AISI 4140 steel grade (USA standard)

- DIN 7225 steel grade (Germany standard)

- NIPPON PDS3 steel grade (Japan standard)

2. Properties of SCM440H Steel from Korea

To determine the properties of SCM440H, let's take a look at its chemical composition:

Based on the above chemical components, SCM440H has the following properties:

- High Cr-Mo content

- Excellent resistance to deformation and wear

- Uniform hardness across all sizes

- Easy to machine with wire

- Tensile strength of approximately 10.0

- Improved ability to withstand heavy loads, wear, and impacts

3. Applications of SCM440H Steel from Korea

With its remarkable properties, SCM440H is commonly used in mold manufacturing and precision machining industries, such as:

- Suitable for machine parts subjected to heavy loads, high wear, and strong impacts, such as gears, engine shafts, bolts, nuts, etc.

- Widely used in automotive engine manufacturing, motorcycle parts, and industrial machine components.

- Ideal for mold manufacturing (plastic injection molds, rice husk injection molds, etc.), electronics components, etc.

- Anchor bolts for telecommunication base stations.

- Shafts used in sugar mill presses.

- Rolling shafts and gears in steel mill systems.

As seen, SCM440H steel from Korea has versatile applications. Depending on the requirements, users can easily choose machining solutions that suit their needs.

Therefore, you should definitely consider using this premium steel for your products and machine parts. You can also easily order SCM440H steel from Sevit.

Contact Sevit at:

  * Tel: +84 332 91 61 61

  * Email: sales@sevit.vn 

  * Zalo: Sevit Special Steel