General
Caldie is a chromium-molybdenum-vanadium alloyed tool steel which is characterized by:

• Very good chipping and cracking resistance

• Good wear resistance

• High hardness (>60 HRC) after high temperature tempering

• Good dimensional stability during heat treatment

• Excellent through-hardening properties

• Good machinability and grindability

• Excellent polishability

• Good surface treatment properties

• Good resistance to tempering back

• Very good WEDM properties

Applications
Caldie is suitable for short to medium run tooling where chipping and/or cracking are the predominant failure mechanisms and where a high compressive strength (hardness of over 60 HRC) is necessary. This makes Caldie an excellent problem solver for severe cold work applications where the combination of a hardness above 60 HRC and a high cracking resistance is of utmost importance e.g. as in the blanking and forming of ultra high strength steel sheets.

Caldie is also very suitable as a substrate steel for applications where surface coatings are desirable or necessary.

Typical Applications

• Blanking

• Cold forging and forming

• Machine knives

• Thread rolling dies

• Substrate for surface coatings

• Fragmentation knives for plastics and metals

• Roll forming rolls