M461 EXTRA Alloy Steel is a high-grade alloy steel designed to deliver superior performance in applications requiring high hardness and wear resistance. It is widely used in tool making and molding industries due to its outstanding properties.

Key Characteristics of M461 EXTRA Alloy Steel:

- Chemical Composition:
- Carbon (C): 0.45-0.55%
- Chromium (Cr): 5.00-6.00%
- Molybdenum (Mo): 1.00-1.50%
- Vanadium (V): 0.50-0.80%
- Manganese (Mn): 0.30-0.60%
- Silicon (Si): 0.20-0.50%
- Phosphorus (P): Max 0.03%
- Sulfur (S): Max 0.03%

- Physical Properties:
- Hardness: M461 EXTRA can achieve high hardness, typically from HRC 58-62 after heat treatment.
- Wear Resistance: Excellent due to its high chromium and vanadium content, providing superior wear resistance.
- Corrosion Resistance: Good due to its alloy content but not as high as steels with higher chromium content.

- Applications:
- Tool Making Industry: Suitable for manufacturing cutting tools, molds, and tools requiring high durability and wear resistance.
- Mining Industry: Used in machinery components that need to withstand harsh working environments and wear.
- Machine Manufacturing: Used in machine parts requiring high hardness and wear resistance.

- Form and Size:
- M461 EXTRA is typically available in the form of plates, bars, or other custom-fabricated products based on application requirements.

Manufacturing and Processing:
- Production Process: M461 EXTRA is produced through a clean metallurgy process and heat treatment to enhance its technical properties.
- Machining: Can be machined using methods such as cutting, grinding, and heat treatment to achieve desired characteristics.
(Source: Internet)