Manganese steel is recognized as one of the specialized types of steel, and due to its unique property, self-hardening, it holds a special position in various industries. This unique property is due to the phase transformation that occurs in the steel’s structure when subjected to impact. As a result of this transformation, the surface hardness of the steel increases significantly, making it suitable for harsh and high-stress operational conditions.
In addition to its high surface hardness, manganese steel, due to the presence of manganese in its chemical composition, possesses exceptional resistance to impact and wear. Manganese, as a key alloying element, not only increases hardness and strength but also improves the mechanical properties of the steel by reducing brittleness and enhancing toughness. These characteristics make manganese steel perform excellently in conditions that require resistance to wear and repeated impacts.
The applications of manganese steel are primarily focused on industries that require materials with high durability and the ability to withstand heavy loads. Among its most important applications are in the mining industry for manufacturing heavy equipment such as crushers, large industrial gears, and also railroad tracks. In these applications, this steel is considered an ideal choice due to its wear resistance and ability to withstand harsh environmental conditions.
In general, manganese steel, with its unique combination of hardness, impact resistance, and toughness, plays a vital role in many industrial processes and is one of the essential materials in equipment and components that require high durability and strength.
| Steel Grade | C (%) | Mn (%) | Si (%) | P (%) | S (%) | Other Elements (%) |
| Hadfield Steel | 1.0-1.4 | 10-14 | 0.3-1.0 | ≤0.05 | ≤0.005 | – |
| X120Mn12 | 1.0-1.2 | 11-14 | 0.3-0.7 | ≤0.03 | ≤0.005 | – |
| GX120Mn13 | 1.1-1.4 | 11-14 | 0.3-1.0 | ≤0.03 | ≤0.005 | – |
| ASTM A128 Gr A | 1.0-1.4 | 11-14 | 0.3-1.0 | ≤0.05 | ≤0.005 | – |
| Mn13 | 1.1-1.4 | 11-14 | 0.3-0.7 | ≤0.03 | ≤0.005 | – |
| Mn16 | 0.9-1.2 | 15-16 | 0.3-0.7 | ≤0.03 | ≤0.005 | – |
| ASTM A128 Gr B1 | 1.0-1.2 | 11-14 | 0.3-1.0 | ≤0.03 | ≤0.005 | – |
| GX100CrMn13 | 0.9-1.1 | 10-13 | 0.5 max | ≤0.03 | ≤0.005 | Cr: 1.0-1.5 |
| Mn18Cr2 | 1.0-1.3 | 16-18 | 0.3-0.7 | ≤0.03 | ≤0.005 | Cr: 1.8-2.2 |
| Mn18 | 1.1-1.4 | 17-19 | 0.3-1.0 | ≤0.03 | ≤0.005 | – |
| ZGMn13 | 1.0-1.4 | 11-14 | 0.3-1.0 | ≤0.03 | ≤0.005 | – |
| ZGMn18 | 1.0-1.4 | 16-18 | 0.3-0.8 | ≤0.03 | ≤0.005 | – |
| ASTM A128 Gr C | 1.0-1.4 | 11-14 | 0.3-0.7 | ≤0.03 | ≤0.005 | – |
| Mn13Cr2 | 1.1-1.4 | 12-14 | 0.3-0.7 | ≤0.03 | ≤0.005 | Cr: 1.8-2.2 |
| GX120Mn18 | 1.0-1.4 | 17-19 | 0.3-0.7 | ≤0.03 | ≤0.005 | – |
| X110Mn13 | 1.0-1.2 | 12-14 | 0.3-0.7 | ≤0.03 | ≤0.005 | – |
| GX140Mn17 | 1.2-1.4 | 16-18 | 0.3-0.7 | ≤0.03 | ≤0.005 | – |
| Mn20Cr2 | 1.0-1.4 | 18-20 | 0.3-0.7 | ≤0.03 | ≤0.005 | Cr: 1.8-2.2 |
| X120Mn18 | 1.0-1.2 | 17-19 | 0.3-0.7 | ≤0.03 | ≤0.005 | – |
| GX150Mn18 | 1.0-1.4 | 17-19 | 0.3-1.0 | ≤0.03 | ≤0.005 | – |
Sepahan Foolad Atashgah Casting Industries Company, with over 30 years of experience in the casting industry, is committed to self-sufficiency by leveraging skilled personnel and experienced managers. The company proudly serves various industries, including steel, copper, mining, cement, and their related sectors, as well as producing cast iron balls required by different industries.
Isfahan – Najafabad – Najafabad Industrial Park 2 – Sanat Square – Doctor Hesabi Blvd – Sub-corner 28
