The most common materials used for roll forming tools include:

1. Tool Steel (D2, M2, or A2): These are high-carbon, high-chromium steels known for their hardness, wear resistance, and ability to maintain a sharp cutting edge under stress.
2. Carbide (Tungsten Carbide): Carbide is often used for the highest wear resistance, particularly in heavy-duty or high-volume production. It’s extremely hard and maintains sharpness longer than tool steel.
3. High-Speed Steel (HSS): HSS is commonly used for roll forming tools when both toughness and hardness are required, offering a balance of wear resistance and impact strength.
4. Chrome-Plated Steel: Sometimes, roll forming tools are made from steel and coated with chromium to provide additional hardness and resistance to wear, corrosion, and galling.
5. Alloy Steel: Various types of alloy steels are used depending on the specific requirements of the tool, providing a good balance of toughness and wear resistance.
6. Coatings (TiN, TiCN, etc.): In some cases, tools may be coated with special materials like Titanium Nitride (TiN) or Titanium Carbonitride (TiCN) to extend their service life by enhancing wear resistance.

Each material is chosen based on the type of metal being formed, production volume, and specific application needs.

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