Description
X120MN12 / SIDUR 3401
X120MN12 / SIDUR 3401 is a high-manganese austenitic steel renowned for its exceptional wear resistance and high impact strength. This non-magnetic alloy contains approximately 1.00-1.20% carbon and 12% manganese, which contribute to its unique properties.
X120MN12 / SIDUR 3401 is a non-magnetic, abrasion-resistant steel known for its exceptional impact strength and high abrasion resistance. This grade of steel is widely used in applications that require resistance to wear and tear under high-impact conditions. In its work-hardened state, it can achieve a hardness of up to 600 HB. However, it is not resistant to corrosion and poses challenges in terms of machinability.
What is X120MN12 / SIDUR 3401??
X120MN12 (also known as SIDUR 3401) is a high-manganese austenitic steel known for its exceptional wear resistance and high impact toughness. This steel contains approximately 11-14% manganese, which provides it with self-hardening properties. It is widely used in industries where high abrasion resistance is required, such as mining, construction, and railroad applications.
Types of X120MN12 / SIDUR 3401 Process
Since this steel is unique in its work-hardening ability, it undergoes specialized processes for shaping and fabrication:
- Forging: Hot forming is typically performed at temperatures between 1050°C and 850°C.
- Machining: Due to its high work-hardening rate, X120Mn12 is challenging to machine. Specialized techniques and tooling are often required.
- Cutting: For optimal edge quality, plasma arc or laser cutting methods are recommended. Flame cutting is possible but may result in inferior edge quality.
Mechanical Properties of X120MN12 / SIDUR 3401
X120MN12 (also known as SIDUR 3401) is a high-manganese austenitic steel with excellent wear resistance, impact toughness, and work-hardening capability. Below are its key mechanical properties:
| Property | Description |
| Yield Strength | Lower than typical structural steels but improves with work hardening |
| Tensile Strength | High strength, especially after work-hardening. |
| Elongation at Break | High ductility, allowing it to absorb impact forces. |
| Hardness (As Supplied) | Soft in its initial state but hardens under impact. |
| Hardness (Work-Hardened) | Significantly increases with impact and abrasion. |
| Impact Resistance | Retains toughness even in high-impact environments. |
Dimensions and Tolerances
| Parts | Typical Dimensions | Tolerances |
| Plates | 5 mm to 150 mm | ± 0.5 mm |
| Sheets | 1 mm to 12 mm | ± 0.2 mm |
| Bars | 0 mm to 500 mm | ± 2 mm |
| Forgings | Up to 50 kg per part | ± 2-5 mm |
| Cutting Tools | Custom-made per design | ± 0.2 mm to ± 1 mm |
| Wear Plates | 10 mm to 60 mm | ± 0.5 mm |
Material Grades Used in X120MN12 / SIDUR 3401
Below is a table summarizing the material grades typically related to or used in the production of X120MN12 / SIDUR 3401, including equivalent grades and variants:
| Material | Common Grades | Key Properties |
| X120MN12 / SIDUR 3401 | DIN 1.3401, ISO 1461,BS 970 | Provides exceptional toughness and work-hardening ability. |
| Hadfield Steel | AISI 1030, DIN 1.3401 | Excellent weldability and good formability under high temperatures. |
| EN 10088-2 | X120MN12 | Good resistance in various environmental conditions, especially in mild atmospheres. |
| BS 970 | 3401-12 | Ideal for heavy industrial applications (railway components, crusher jaws). |
Price Consideration for X120MN12 / SIDUR 3401
Here’s a breakdown of the key price considerations:
- Material Selection: Prices can vary depending on whether the material is in the form of plates, sheets, bars, forgings, or custom-cut components.
- Thickness and Size: Larger, thicker sections will be more expensive, as they require more raw material and often more processing time.
- Volume of Order: Bulk Orders: Purchasing larger quantities usually leads to a lower price per unit, as economies of scale apply. Small or Custom Orders: Small or one-off orders (e.g., custom parts) will typically have a higher cost per unit due to the increased processing, labor, and shipping costs.
- Surface Treatment: Although X120MN12 is not typically heat-treated, any additional hardening or coating process (e.g., galvanizing, plating) will increase costs.
Estimated Price Range (per unit):
| Part Type | Price Range (USD) |
| Wear Plates | $2.00 to $4.50 per kg |
| Crusher Jaws | $3.00 to $7.00 per kg |
| Rail Track Components | $2.50 to $5.50 per kg |
| Bucket Liners | $2.50 to $6.00 per kg |
| Impact Hammers | $3.00 to $8.00 per kg |
Chemical Composition :
X120Mn12 features a high carbon and manganese content, typically containing 1.00-1.20% carbon and approximately 12% manganese. Below is the standard chemical composition:
| Element | Percentage (%) |
|---|---|
| C | 1.30 |
| Si | 0.40 |
| Mn | 11.00 – 13.00 |
| P | 0.020 |
| S | 0.001 |
| Cr | 0.55 |
Specifications:
| Specification | Equivalent |
|---|---|
| X120Mn12 | 1.3401 |
| ASTM A128 Grade B2 | SIDUR 3401 |
| HADFIELD | 120Mn12 |
Supply Cities:
Mumbai Ahmedabad, Amaravathi, Ambattur, Bangalore, Belgaum, Chennai, Chittoor, Coimbatore, Dindigul, Mysore, Nellore, Hyderabad, Kochi, Mangalore, Tirupur, Tuticorin, Madurai, Andhra Pradesh, Karnataka, Puducherry, Kerala, Tamil Nadu, Telangana, Visakhapatnam, Kochi, Kerala, Hubli-Dharwad, Karnataka.
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