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Material Concept

Optimal use of a die steel is closely linked to understanding its stress profile (see Figure).

The right die steel for forging-die and press-die units and secondary tools is selected bearing in mind economic and qualitative aspects. One major factor is the die's service life or estimated tool life quantity. The tool life quantity is generally limited by wear, or by cracking in the case of complicated impressions. Die wear is significantly reduced as the alloy content of carbide formers such as vanadium, molybdenum, tungsten and chromium is increased, as shown in Figure. One qualitative measure of this is the alloy coefficient (AC) used to rate steel. Higher-grade steels produce favourable results when an optimum relationship between tool life quantity and tool costs is achieved. The tool life quantity can be further optimized by increasing hardness,balanced with the necessary toughness characteristics. Key here is uniform quenching and tempering of the dies throughout their cross-section.

Heat resistance and hardness retention are key material indicators for die steels. Loss of hardness and even transformation of the microstructure at the impression surface is the most frequent cause of wear, deformation and cracking.

We offer the following high grade Die steels of Buderus for the Die forging Industry:

Product Name Short Description Data Sheet
Steels for Press Dies and Die inserts
2714 ISO-B HH Ni-Cr-Mo-V alloyed Die steel PDF
HIPERDIE CrMoV Hot work steel PDF
2344 ISO-B CrMoV alloy Hot working steel PDF
2365 ISO-B Hot working steel with no tungsten PDF
2367 ISO-B CrMoV-based high alloy Hot working steel PDF
Steels for Hammer Forging Dies
2714 ISO-B Ni-Cr-Mo-V alloyed Die steel PDF
Steels for Die Holders/Cassettes
2714 ISO-B Ni-Cr-Mo-V alloyed Die steel PDF
2738 ISO-BM * PDF
* For non critical application