| If a part requires
a high surface strength, it is advisable to fineblanking a
low in carbon steel and to bring the part afterwards to the
required strength by casehardening.
The material influences extensively the quality of sheared
edges and the tool life of the cutting elements.
Fineblanking becomes more difficult:
- with increasing tensile strength (shearing strength)
- with increasing C content
- with increasing alloying content
- with decreasing spheroidal cementite structure
- with decreasing cleanliness of stock surface (e.g. scale)
|
Tensile Strength
