Tool Steels are an important segment in the production of special steels. They are produced and processed to reach high quality standards. They are used especially for: dies, moulds, intermittent and continuous cutting tools, plate-conforming tools, cold cut, machine components, etc.

They are classified in accordance with either their main metallurgical features or according to its niche of application. The AISI (American Iron and Steel Institute) classification is the most used in the tool industry.

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FOR COLD WORK

These steels are intended for work at either room or slightly elevated temperature, in operations such as machining, conforming and processing of metals, wood, minerals. They are indicated for:

• Stamping Operations – D Series;
• Cutting Operations – O Series;
• High-Impact Operations (resistance to Shock) – S Series.

FOR HOT WORK

These steels are intended for work at temperature over 200º C. They are known for having mechanical resistance to wear under these conditions, as well as high quenching, tenacity, conductivity and resistance to fatigue. They are indicated for:

• Metal injection and extrusion operations – H Series
• Operations for use as forging dies – 27XX Series.

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FOR MOULDS

These steels have good characteristics of machining, polishing and hardness seamless. They are especially indicated to manufacture moulds for plastic injection.They are indicated for:

• Operations of common plastic injection – P Series;
• Operations of corrosive plastic injection – 4XXC Series (Stainless).